Dr. rer. nat. Marion Jegen-Kulcsar
Scientist (Topic 8)
RD 4: Dynamics of the Ocean Floor
RU: Marine Geodynamics
Office:
Room: 8D-226
Phone: +49 431 600 2560
E-Mail: mjegen(at)geomar.de
Address:
GEOMAR Helmholtz Centre for Ocean Research Kiel
Wischhofstrasse 1-3
24148 Kiel
Research Focus
- Marine electromagnetics (natural and controlled source)
- Geophysical investigation of tectonic processes like rifting, seafloor spreading, subduction
- Investigation and quantification of marine resources (offshore groundwater and seafloor ore deposits)
- Geophysical data integration and joint inversion of geophysical data
Projects (as PI or Co-PI)
- AIQuifer (2023 – 2026)
- SMART (2019-2025)
- CLOCKS (2022 – 2025)
- DIGITAL EARTH (2020-2021)
- ARCHIMEDES (2018-2020)
- SOURCE (since 2019)
- AGH (since 2016)
- MaTeP BAUER (2014-2015)
- BLUE MINING (2014 – 2017)
- TAIFLUX (2012 – 2015)
- SUGAR II (2011 – 2014)
- ISOLDE (2011-2013)
- TIMBA (2011-2013)
- SACOM (2011-2013)
- ELCONA (2011-2013)
- JIVES (2011-2012)
- FREIA (2010-2012)
- JIBA (2008-2011)
- WND (2008 – 2011)
- SUGAR (2008 – 2011)
- Junior Research Group (2005 – 2010)
Vita
- 09/2005 – present IfM GEOMAR / GEOMAR, Kiel, Germany; Research Group Leader – Marine EM
- 12/2004 – 08/2005 ETH Zurich, Switzerland
- 07/2003 – 09/2004 Bullard Labs, University of Cambridge, U.K.
- 02/1999 – 07/2003 Institute Universitaire Europeen de la Mer (IUEM), Brest, France; Marie Curie TMR PostDoc
- 02/1998 – 02/1999 Dept. of Applied Math. and Theoretical Physics, University of Cambridge, U.K.; PostDoc
- 01/1997 – 01/1998 Aerodat Inc. Toronto, Canada; Senior Research Geophysicist
- 08/1991 – 12/1996 PhD University of Toronto
- 07/1990 – 07/1991 M.Sc., University of Cologne, Germany
Publications (OceanRep)
Jump to: Articles in a Scientific Journal - peer-reviewed | Articles in a Scientific Journal - without review | Books | Book chapters | Conference papers | Presentations | Conference posters | Conference pico | Reports - Cruise Reports | Reports - Weekly reports | Reports - other reports | Reports - Data reports | Software
Number of items: 308.
Articles in a Scientific Journal - peer-reviewed
, Haroon, A. , Jegen, M. , Berndt, C. , Gehrmann, R., Schwalenberg, K., Schmidt, M. , Müller, T. and Weymer, B. A.
(2025)
Investigation of offshore freshened groundwater using marine controlled–source electromagnetic: Insights from Gozo, Maltese Islands.
Journal of Applied Geophysics, 241
.
Art.Nr.: 105842.
DOI 10.1016/j.jappgeo.2025.105842.
![[thumbnail of 2023wr035714-sup-0001-supporting information si-s01.docx]](https://oceanrep.geomar.de/style/images/fileicons/text.png)
, Haroon, A. , Jegen, M. , Gehrmann, R., Schwalenberg, K., Micallef, A. , Dettmer, J., Berndt, C. , Mountjoy, J. J. J. and Weymer, B. A.
(2024)
Characterizing Offshore Freshened Groundwater Salinity Patterns Using Trans-Dimensional Bayesian Inversion of Controlled Source Electromagnetic Data: A Case Study From the Canterbury Bight, New Zealand.
Water Resources Research, 60
(3).
Art.Nr.: e2023WR035714.
DOI 10.1029/2023WR035714.
, Toohey, M., Jegen, M. , Kutterolf, S. and Rehfeld, K.
(2024)
PalVol v1: a proxy-based semi-stochastic ensemble reconstruction of volcanic stratospheric sulfur injection for the last glacial cycle (140 000–50 BP).
Earth System Science Data, 16
.
pp. 1063-1081.
DOI 10.5194/essd-16-1063-2024.
, Paasche, H., Graber, S., Petersen, S. , Attias, E., Jegen, M. , Gehrmann, R., Hölz, S. and Klischies, M.
(2023)
Automated Seafloor Massive Sulfide Detection Through Integrated Image Segmentation and Geophysical Data Analysis: Revisiting the TAG Hydrothermal Field.
Geochemistry, Geophysics, Geosystems, 24
(12).
e2023GC011250.
DOI 10.1029/2023GC011250.
, Freudenthal, T., Elger, J. , Hölz, S. , Deusner, C. , Wallmann, K. , Lin, S., Chi, W. C., Bohrmann, G. and Berndt, C.
(2023)
Quantification of mixed hydrate and free gas concentrations by the joint integration of velocity and conductivity information.
Marine and Petroleum Geology, 158
.
Art.Nr. 106569.
DOI 10.1016/j.marpetgeo.2023.106569.
, Moorkamp, M., Berndt, C. and Rabbel, W.
(2023)
Formation and geophysical character of transitional crust at the passive continental margin around Walvis Ridge, Namibia.
Solid Earth, 14
.
pp. 237-259.
DOI 10.5194/se-14-237-2023.
, Haroon, A. , Bange, H. , Erkul, E., Jegen, M. , Moosdorf, N., Schneider von Deimling, J., Berndt, C. , Böttcher, M. E., Hoffmann, J., Liebetrau, V., Mallast, U., Massmann, G., Micallef, A. , Michael, H. A., Paasche, H., Rabbel, W., Santos, I., Scholten, J., Schwalenberg, K., Szymczycha, B., Thomas, A. T., Virtasalo, J. J., Waska, H. and Weymer, B.
(2023)
Ideas and perspectives: Land-ocean connectivity through groundwater.
Biogeosciences (BG), 20
.
pp. 647-662.
DOI 10.5194/bg-20-647-2023.
, Everett, M. E., Haroon, A. , Jegen-Kulcsar, M. , Micallef, A. , Berndt, C. , Michael, H. A., Evans, R. L. and Post, V.
(2022)
The coastal transition zone is an underexplored frontier in hydrology and geoscience.
Communications Earth & Environment, 3
.
Art.Nr. 323 (2022).
DOI 10.1038/s43247-022-00655-8.
, Dannowski, A. , Schwalenberg, K. and Jegen, M.
(2021)
Study on gas hydrate targets in the Danube Paleo-Delta with a dual polarization controlled-source electromagnetic system.
Marine and Petroleum Geology, 134
.
Art.Nr. 105330.
DOI 10.1016/j.marpetgeo.2021.105330.
![[thumbnail of Supporting information]](https://oceanrep.geomar.de/style/images/fileicons/other.png)
, Berndt, C. and Rabbel, W.
(2021)
Comparison of Different Coupling Methods for Joint Inversion of Geophysical data: A case study for the Namibian Continental Margin.
Journal of Geophysical Research: Solid Earth, 126
(12).
e2021JB022092.
DOI 10.1029/2021JB022092.
Haroon, A. , Micallef, A. , Jegen, M. , Schwalenberg, K., Karstens, J. , Berndt, C. , Garcia, X., Kuehn, M., Rizzo, E., Fusi, N. C., Ahaneku, C. V., Petronio, L., Faghih, Z., Weymer, B. A. , De Biase, M. and Chidichimo, F.
(2021)
Electrical resistivity anomalies offshore a carbonate coastline: Evidence for freshened groundwater?.
Geophysical Research Letters, 48
(14).
e2020GL091909.
DOI 10.1029/2020GL091909.
, Micallef, A. , Jegen, M. , Schwalenberg, K., Karstens, J. , Berndt, C. , Garcia, X., Kuehn, M., Rizzo, E., Fusi, N. C., Ahaneku, C. V., Petronio, L., Faghih, Z., Weymer, B. A. , De Biase, M. and Chidichimo, F.
(2021)
Electrical resistivity anomalies offshore a carbonate coastline: Evidence for freshened groundwater?.
Geophysical Research Letters, 48
(14).
e2020GL091909.
DOI 10.1029/2020GL091909.
Micallef, A. , Person, M., Berndt, C. , Bertoni, C., Cohen, D., Dugan, B., Evans, R., Haroon, A. , Hensen, C. , Jegen, M. , Key, K., Kooi, H., Liebetrau, V., Lofi, J., Mailloux, B. J., Martin‐Nagle, R., Michael, H. A., Müller, T. , Schmidt, M. , Schwalenberg, K., Trembath‐Reichert, E., Weymer, B. , Zhang, Y. and Thomas, A. T.
(2021)
Offshore freshened groundwater in continental margins.
Reviews of Geophysics, 59
(1).
Art.Nr. e2020RG000706.
DOI 10.1029/2020RG000706.
, Person, M., Berndt, C. , Bertoni, C., Cohen, D., Dugan, B., Evans, R., Haroon, A. , Hensen, C. , Jegen, M. , Key, K., Kooi, H., Liebetrau, V., Lofi, J., Mailloux, B. J., Martin‐Nagle, R., Michael, H. A., Müller, T. , Schmidt, M. , Schwalenberg, K., Trembath‐Reichert, E., Weymer, B. , Zhang, Y. and Thomas, A. T.
(2021)
Offshore freshened groundwater in continental margins.
Reviews of Geophysics, 59
(1).
Art.Nr. e2020RG000706.
DOI 10.1029/2020RG000706.
, Bohlen, T., Dannowski, A. , Eisenberg-Klein, G., Gassner, L., Gehrmann, R., Heeschen, K., Hölz, S. , Jegen, M. , Klaucke, I. , Krieger, M., Mann, J., Müller, C., Prüßmann, J., Schicks, J., Schünemann, E., Schwalenberg, K., Sommer, M., Smilde, P. L., Spangenberg, E., Trappe, H. and Zander, T.
(2020)
Joint interpretation of geophysical field experiments in the danube deep-sea fan, Black Sea.
Marine and Petroleum Geology, 121
(Article number 104551).
DOI 10.1016/j.marpetgeo.2020.104551.
, Jegen, M. , Swidinsky, A., Hölz, S. and Tezkan, B.
(2020)
Step-on versus step-off signals in time-domain controlled source electromagnetic methods using a grounded electric dipole.
Geophysical Prospecting, 68
(9).
pp. 2825-2844.
DOI 10.1111/1365-2478.13016.
, Wernette, P. A., Everett, M. E., Pondthai, P., Jegen, M. and Micallef, A.
(2020)
Multi-Layered High Permeability Conduits Connecting Onshore and Offshore Coastal Aquifers.
Frontiers in Marine Science, 7
(531293).
DOI 10.3389/fmars.2020.531293.
, Schloemer, A. and Jokat, W.
(2020)
Seafloor evidence for pre-shield volcanism above the Tristan da Cunha mantle plume.
Nature Communications, 11
(Art.Nr. 4543).
DOI 10.1038/s41467-020-18361-4.
, Haroon, A. , Schwalenberg, K. and Jegen, M.
(2020)
Effects of metallic system components on marine electromagnetic loop data.
Geophysical Prospecting, 68
.
pp. 2254-2270.
DOI 10.1111/1365-2478.12984.
, Weymer, B. A. , Faghih, Z., Haroon, A. and Jegen, M.
(2020)
3D Characterization of a Coastal Freshwater Aquifer in SE Malta (Mediterranean Sea) by Time-Domain Electromagnetics.
Water, 12
(6).
Art.Nr. 1566.
DOI 10.3390/w12061566.
Micallef, A. , Person, M., Haroon, A. , Weymer, B. A. , Jegen, M. , Schwalenberg, K., Faghih, Z., Duan, S., Cohen, D., Mountjoy, J. J., Woelz, S., Gable, C. W., Averes, T. and Kumar Tiwari, A.
(2020)
3D characterisation and quantification of an offshore freshened groundwater system in the Canterbury Bight.
Nature Communications, 11
(Article number 1372).
DOI 10.1038/s41467-020-14770-7.
, Person, M., Haroon, A. , Weymer, B. A. , Jegen, M. , Schwalenberg, K., Faghih, Z., Duan, S., Cohen, D., Mountjoy, J. J., Woelz, S., Gable, C. W., Averes, T. and Kumar Tiwari, A.
(2020)
3D characterisation and quantification of an offshore freshened groundwater system in the Canterbury Bight.
Nature Communications, 11
(Article number 1372).
DOI 10.1038/s41467-020-14770-7.
, Chi, W. C. , Jegen, M. , Lebas, E. , Crutchley, G. , Muff, S., Hölz, S. , Sommer, M., Lin, S. , Liu, C. S. , Lin, A. T. , Klaeschen, D. , Klaucke, I. , Chen, L. , Hsu, H. H. , Kunath, P. , Elger, J. , McIntosh, K. D. and Feseker, T.
(2019)
Tectonic Controls on Gas Hydrate Distribution off SW Taiwan.
Journal of Geophysical Research: Solid Earth, 124
(2).
pp. 1164-1184.
DOI 10.1029/2018JB016213.
, Schindlbeck, J. C. , Jegen, M. , Freundt, A. and Straub, S. M.
(2019)
Milankovitch frequencies in tephra records at volcanic arcs: The relation of kyr-scale cyclic variations in volcanism to global climate changes.
Quaternary Science Reviews, 204
.
pp. 1-16.
DOI 10.1016/j.quascirev.2018.11.004.
, Hölz, S. , Gehrmann, R. A. S. , Attias, E. , Jegen, M. , Minshull, T. A. and Murton, B. J.
(2018)
Marine dipole–dipole controlled source electromagnetic and coincident-loop transient electromagnetic experiments to detect seafloor massive sulphides: effects of three-dimensional bathymetry.
Geophysical Journal International, 215
(3).
pp. 2156-2171.
DOI 10.1093/gji/ggy398.
Attias, E., Weitemeyer, K., Hölz, S. , Naif, S., Minshull, T. A., Best, A. I., Haroon, A. , Jegen-Kulcsar, M. and Berndt, C.
(2018)
High-resolution resistivity imaging of marine gas hydrate structures by combined inversion of CSEM towed and ocean-bottom receiver data.
Geophysical Journal International, 214
(3).
pp. 1701-1714.
DOI 10.1093/gji/ggy227.
, Naif, S., Minshull, T. A., Best, A. I., Haroon, A. , Jegen-Kulcsar, M. and Berndt, C.
(2018)
High-resolution resistivity imaging of marine gas hydrate structures by combined inversion of CSEM towed and ocean-bottom receiver data.
Geophysical Journal International, 214
(3).
pp. 1701-1714.
DOI 10.1093/gji/ggy227.
, Jegen, M. and Swidinsky, A.
(2018)
A first application of a marine inductive source electromagnetic configuration with remote electric dipole receivers: Palinuro Seamount, Tyrrhenian Sea.
Geophysical Prospecting, 66
(7).
pp. 1415-1432.
DOI 10.1111/1365-2478.12646.
Bonadio, R., Geissler, W. H., Lebedev, S., Fullea, J., Ravenna, M., Celli, N. L., Jokat, W., Jegen, M. , Sens-Schönfelder, C. and Baba, K.
(2018)
Hot Upper Mantle Beneath the Tristan da Cunha Hotspot From Probabilistic Rayleigh-Wave Inversion and Petrological Modeling.
Geochemistry, Geophysics, Geosystems, 19
.
pp. 1412-1428.
DOI 10.1002/2017GC007347.
, Sens-Schönfelder, C. and Baba, K.
(2018)
Hot Upper Mantle Beneath the Tristan da Cunha Hotspot From Probabilistic Rayleigh-Wave Inversion and Petrological Modeling.
Geochemistry, Geophysics, Geosystems, 19
.
pp. 1412-1428.
DOI 10.1002/2017GC007347.
, Jegen, M. , Freundt, A. , Kutterolf, S. , Straub, S. M., Mleneck-Vautravers, M. J. and McManus, J. F.
(2018)
100- kyr cyclicity in volcanic ash emplacement: evidence from a 1.1 Myr tephra record from the NW Pacific.
Scientific Reports, 8
(Article number 4440).
DOI 10.1038/s41598-018-22595-0.
, Mountjoy, J., Schwalenberg, K., Jegen, M. , Weymer, B. , Woelz, S., Gerring, P., Luebben, N., Spatola, D., Cunarro Otero, D. and Mueller, C.
(2018)
How Offshore Groundwater Shapes the Seafloor.
Eos: Earth & Space Science News, 99
.
DOI 10.1029/2018EO090691.
(2017)
Seismicity in the vicinity of the Tristan da Cunha hotspot: Particular plate tectonics and mantle plume presence.
Journal of Geophysical Research: Solid Earth, 122
(12).
pp. 10427-10439.
DOI 10.1002/2017JB015017.
, Jegen, M. and Swidinsky, A.
(2017)
On electric fields produced by inductive sources on the seafloor.
Geophysics, 82
(6).
E297-E313.
DOI 10.1190/geo2016-0700.1.
(2017)
Marine magnetotellurics imaged no distinct plume beneath the Tristan da Cunha hotspot in the southern Atlantic Ocean.
Tectonophysics, 716
.
pp. 52-63.
DOI 10.1016/j.tecto.2016.09.033.
and Baba, K.
(2017)
Thickness of the oceanic crust, the lithosphere, and the mantle transition zone in the vicinity of the Tristan da Cunha hot spot estimated from ocean-bottom and ocean-island seismometer receiver functions.
Tectonophysics, 716
.
pp. 33-51.
DOI 10.1016/j.tecto.2016.12.013.
, Halbach, J., Jegen, M. , Petersen, S. and Swidinsky, A.
(2017)
A self-potential investigation of submarine massive sulfides: Palinuro Seamount, Tyrrhenian Sea.
Geophysics, 82
(6).
A51-A56.
DOI 10.1190/geo2017-0237.1.
, Jegen, M. , Spangenberg, E. and Petersen, S.
(2017)
P-wave velocity measurements for preliminary assessments of the mineralization in seafloor massive sulfide mini-cores during drilling operations.
Engineering Geology, 226
.
pp. 316-325.
DOI 10.1016/j.enggeo.2017.07.003.
(2017)
Hunting for the Tristan Mantle Plume -
An upper mantle tomography around the volcanic island of Tristan da Cunha.
Earth and Planetary Science Letters, 462
.
pp. 122-131.
DOI 10.1016/j.epsl.2016.12.028.
, Moorkamp, M., Hobbs, R. W. and Chen, J.
(2017)
An adaptive coupling strategy for joint inversions that use petrophysical information as constraints.
Journal of Applied Geophysics, 136
.
pp. 279-297.
DOI 10.1016/j.jappgeo.2016.10.028.
, Virgil, C., Rolf, C. and Petersen, S.
(2017)
Magnetic susceptibility measurements of seafloor massive sulfide mini-cores samples for deep-sea mining applications.
Quarterly Journal of Engineering Geology and Hydrogeology, 50
.
pp. 88-93.
DOI 10.1144/qjegh2016-113.
, Hölz, S. and Berndt, C.
(2016)
Controlled-source electromagnetic and seismic delineation of sub-seafloor fluid flow structures in a gas hydrate province, offshore Norway.
Geophysical Journal International, 206
(2).
pp. 1093-1110.
DOI 10.1093/gji/ggw188.
, Avdeeva, A., Berndt, C. , Franz, G., Heincke, B., Hölz, S. , Neska, A., Marti, A., Planert, L., Chen, J., Kopp, H. , Baba, K., Ritter, O., Weckmann, U., Meqbel, N. and Behrmann, J.
(2016)
3-D Magnetotelluric Image of Offshore Magmatism at the Walvis Ridge and Rift Basin.
Tectonophysics, 683
.
pp. 98-108.
DOI 10.1016/j.tecto.2016.06.016.
, Petersen, S. and Laurila, T. E.
(2016)
Electrical properties of seafloor massive sulfides.
Geo-Marine Letters, 36
(3).
pp. 235-245.
DOI 10.1007/s00367-016-0439-5.
and Heincke, B.
(2016)
Joint stochastic constraint of a large data set from a salt dome.
Geophysics, 81
(2).
ID1-ID24.
DOI 10.1190/geo2015-0127.1.
, Meqbel, N., Neska, A., Katjiuongua, T. T., Hölz, S. and Ritter, O.
(2016)
Electrical resistivity image of the South Atlantic continental margin derived from onshore and offshore magnetotelluric data.
Geophysical Research Letters, 43
(1).
pp. 154-160.
DOI 10.1002/2015GL066811.
, Hölz, S. , Ledo, J., Lovatini, A., Marti, A., Marcuello, A., Queralt, P., Ranero, C. R. and Ungarelli, C.
(2015)
Structure of the mantle beneath the Alboran basin from magnetotelluric soundings.
Geochemistry, Geophysics, Geosystems, 16
.
pp. 4261-4274.
DOI 10.1002/2015GC006100.
and Miensopust, M.
(2015)
Three-dimensional inversion of magnetotelluric impedance tensor data and full distortion matrix.
Geophysical Journal International, 202
(1).
pp. 464-481.
DOI 10.1093/gji/ggv144.
, Kutterolf, S. , Freundt, A. , Straub, S. M., Wang, K. L., Jegen, M. , Hemming, S. R., Baxter, A. T. and Sandoval, M. I.
(2015)
The Miocene Galápagos ash layer record of Integrated Ocean Drilling Program Site Legs 334 and 344: Ocean-island explosive volcanism during plume-ridge interaction.
Geology, 43
(7).
pp. 599-602.
DOI 10.1130/G36645.1.
, Swidinsky, A., Sommer, M., Jegen, M. and Bialas, J.
(2015)
The Use of Rotational Invariants for the Interpretation of Marine CSEM Data with a Case Study from the North Alex Mud Volcano, West Nile Delta.
Geophysical Journal International, 201
(1).
pp. 224-245.
DOI 10.1093/gji/ggv015.
and Jegen, M.
(2015)
Rapid resistivity imaging for marine CSEM surveys with two transmitter polarizations: An application to the North Alex mud volcano.
Geophysics, 80
(2).
E97-E110.
DOI 10.1190/GEO2014-0015.1.
(2013)
The marine controlled source electromagnetic response of a steel borehole casing: applications for the NEPTUNE Canada gas hydrate observatory.
Geophysical Prospecting, 61
(4).
pp. 842-856.
DOI 10.1111/1365-2478.12007.
, Jegen, M. , Mitrovica, J. X., Kwasnitschka, T., Freundt, A. and Huybers, P. J.
(2013)
A detection of Milankovitch frequencies in global volcanic activity.
Geology, 41
(2).
pp. 227-230.
DOI 10.1130/G33419.1.
, Heincke, B. and Hobbs, R. W.
(2013)
Verification of velocity-resistivity relationships derived from structural joint inversion with borehole data.
Geophysical Research Letters, 40
(14).
pp. 3596-3601.
DOI 10.1002/grl.50696.
(2013)
Reducing motion noise in marine magnetotelluric measurements by means of tilt records.
Geophysical Journal International, 194
(1).
pp. 304-315.
DOI 10.1093/gji/ggt087.
, Moorkamp, M., Swidinsky, A., Heincke, B., Scholl, C. and Jegen, M. D.
(2013)
GPU parallelization of a three dimensional marine CSEM code.
Computers & Geosciences, 58
.
pp. 91-99.
DOI 10.1016/j.cageo.2013.04.004.
(2012)
Detecting a salt dome overhang with magnetotellurics: 3D inversion methodology and synthetic model studies.
Geophysics, 77
(4).
E251-E263.
DOI 10.1190/geo2011-0167.1.
and Moorkamp, M.
(2012)
Using empirical mode decomposition to process marine MT data.
Geophysical Journal International, 190
.
pp. 293-309.
DOI 10.1111/j.1365-246X.2012.05470.x.
and Heincke, B.
(2012)
Crustal constraint through complete model space screening for diverse geophysical datasets facilitated by emulation.
Tectonophysics, 572/573
.
pp. 47-63.
DOI 10.1016/j.tecto.2012.03.006.
and Jegen, M.
(2012)
On mapping seafloor mineral deposits with central loop transient electromagnetics.
Geophysics, 77
(3).
E171-184.
DOI 10.1190/GEO2011-0242.1.
and Swidinsky, A.
(2012)
Approximations for the 2-D coast effect on marine magnetotelluric data.
Geophysical Journal International, 189
.
pp. 357-368.
DOI 10.1111/j.1365-246X.2012.05385.x.
, Roberts, A. W. and Hobbs, R. W.
(2011)
A framework for 3-D joint inversion of MT, gravity and seismic refraction data.
Geophysical Journal International, 184
(1).
pp. 477-493.
DOI 10.1111/j.1365-246X.2010.04856.x.
, Kopp, H. , Brasse, H. and Taylor, W. T.
(2011)
Magnetotelluric image of the fluid cycle in the Costa Rican subduction zone.
Nature Geoscience, 4
.
pp. 108-111.
DOI 10.1038/ngeo1041.
, Roberts, A. and Hobbs, R.
(2010)
Massively parallel forward modeling of scalar and tensor gravimetry data.
Computers & Geosciences, 36
(5).
pp. 680-686.
DOI 10.1016/j.cageo.2009.09.018.
, Poort, J. and Jegen, M.
(2010)
Evaluation of gas hydrate deposits in an active seep area using marine controlled source electromagnetics: Results from Opouawe Bank, Hikurangi Margin, New Zealand.
Marine Geology, 272
(1-4).
pp. 79-88.
DOI 10.1016/j.margeo.2009.07.006.
and Coffin, R.
(2010)
Preliminary interpretation of electromagnetic, heat flow, seismic, and geochemical data for gas hydrate distribution across the Porangahau Ridge, New Zealand.
Marine Geology, 272
(1-4).
pp. 89-98.
DOI 10.1016/j.margeo.2009.10.024.
Date online first: 2009
(2009)
Deep electrical resistivity structure of northwestern Costa Rica .
Geophysical Research Letters, 36
.
L02310.
DOI 10.1029/2008GL036397.
, Hobbs, R. W., Tarits, P. and Chave, A.
(2009)
Joint inversion of marine magnetotelluric and gravity data incorporating seismic constraints: preliminary results of sub-basalt imaging off the Faroe Shelf.
Earth and Planetary Science Letters, 282
.
pp. 47-55.
DOI 10.1016/j.epsl.2009.02.018.
, Everett, M. and Schultz, A.
(2001)
Using homotopy to invert geophysical data.
Geophysics, 66
(6).
pp. 1749-1760.
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Electrical and electromagnetic methods in exploring for seafloor massive sulfide deposits.
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DOI 10.1190/segam2018-2971221.1.
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SEG Technical Program Expanded Abstracts, 2014
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DOI 10.1190/segam2014-1401.1.
, Jegen, M. , Berndt, C. and Chi, W.
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Electromagnetic imaging of gas hydrate deposits off-shore Taiwan: First results of the Taiflux survey.
SEG Technical Program Expanded Abstracts, 2014
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DOI 10.1190/segam2014-0100.1.
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(2010)
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SEG Technical Program Expanded Abstracts, 29
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Books
, Fisch, K., Franke, D., Frey, T., Froese, R. , Greinert, J. , Gutow, L., Gutt, J., Hain, S., Haroon, A. , Heubel, K., Hoffmann, J., Jegen-Kulcsar, M. D. , Kanwischer, M., Kronfeld-Goharani, U., Kuhn, T., Kühnhold, H., Kunzmann, A., Mark, F., Matz-Lück, N., Mintenbeck, K., Möllmann, C., Oschlies, A. , Ott, K., Poloczanska, E., Pörtner, H. O., Rühlemann, C., Schmidt, J. O., Schrum, C., Schwarzer, K., Tasdemir, D. , Vink, A., Visbeck, M. , Wallmann, K. J. G. , Wichert, U. and Wilckens, J.
and Maribus, Ozean der Zukunft - Die Kieler Meereswissenschaften, IOI International Ocean Institute, KDM - Kuratorium Deutsche Meeresforschung, mare
(2021)
World ocean review: Lebensgarant Ozean – nachhaltig nutzen, wirksam schützen.
.
World Ocean Review, 7
.
Maribus, Hamburg, Germany, 336 pp.
ISBN 978-3-86648-697-3
, Fisch, K., Franke, D., Frey, T. , Froese, R. , Greinert, J. , Gutow, L., Gutt, J., Hain, S., Haroon, A. , Heubel, K., Hoffmann, J., Jegen-Kulcsar, M. D. , Kanwischer, M., Kronfeld-Goharani, U., Kuhn, T., Kühnhold, H., Kunzmann, A., Mark, F., Matz-Lück, N., Mintenbeck, K., Möllmann, C., Oschlies, A. , Ott, K., Poloczanska, E., Pörtner, H. O., Rühlemann, C., Schmidt, J., Schrum, C., Schwarzer, K., Tasdemir, D. , Vink, A., Visbeck, M. , Wallmann, K. J. G. , Wichert, U. and Wilckens, J.
and Maribus, Ozean der Zukunft, IOI International Ocean Institute, KDM - Kuratorium Deutsche Meeresforschung, mare
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World Ocean Review : The Ocean, Guarantor of Life – Sustainable Use, Effective Protection.
.
World Ocean Review, 7
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Maribus, Hamburg, Germany, 335 pp.
ISBN 978-3-86648-698-0
Book chapters
(2022)
Electromagnetic Applications in Methane Hydrate Reservoirs.
In: World Atlas of Submarine Gas Hydrates in Continental Margins.
, ed. by
Mienert, J., Berndt, C. , Tréhu, A. M., Camerlenghi, A. and Liu, C. S..
Springer, Cham, pp. 73-85.
DOI 10.1007/978-3-030-81186-0_6.
, Bundke, U., Burwicz-Galerne, E., Haas, A., Herrarte, I., Haroon, A. , Jegen, M. , Kalbacher, T., Kennert, M., Korf, T., Kunkel, R., Kwok, C. Y., Mahnke, C., Nixdorf, E., Paasche, H., Gonzalez Avalos, E., Petzold, A., Rohs, S., Wagner, R. and Walter, A.
(2022)
The Digital Earth Smart Monitoring Concept and Tools.
In: Integrating Data Science and Earth Science.
, ed. by
Bouwer, L. M., Dransch, D., Ruhnke, R., Rechid, D., Frickenhaus, S. and Greinert, J..
SpringerBriefs in Earth System Sciences
.
Springer, Cham, pp. 85-120, 36 pp.
ISBN 978-3-030-99546-1
DOI 10.1007/978-3-030-99546-1_6.
, Hobbs, R. W. and Roberts, A. R.
(2016)
Joint inversion in hydrocarbon exploration.
In: Integrated Imaging of the Earth: theory and applications.
, ed. by
Moorkamp, M., Lelievre, P. G., Linde, N. and Khan, A..
Geophysical Monograph Series, 218
.
AGU (American Geophysical Union), Wiley, Washington, DC, pp. 167-190.
ISBN 978-1-118-92905-6
DOI 10.1002/9781118929063.ch9.
, Hoelz, S. , Swidinsky, A., Sommer, M., Berndt, C. and Chi, W. C.
(2015)
SO227 Electromagnetic and seismic investigation of methane hydrates offshore Taiwan - The Taiflux Experiment.
In: Tagungsband Statusseminar Meeresforschung mit FS SONNE 2015.
.
Projektträger Biologie, Energie, Ökologie, Rostock-Warnemünde, pp. 118-126.
, Crutchley, G. , Klaucke, I. , Jegen, M. , Lebas, E. , Muff, S., Lieser, K., Roth, T., Chi, W. C., Feseker, T., Lin, S., Liu, C. S., Chen, L. and Hsu, H. H.
(2014)
Geological controls on the gas hydrate system of Formosa Ridge, South China Sea.
In: OCEANS 2014 - TAIPEI.
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IEEE, Taipei, pp. 1-4.
ISBN 978-1-4799-3645-8
DOI 10.1109/OCEANS-TAIPEI.2014.6964481.
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and the evaluation of sea floor conductivity structure : a tutorial.
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Spearhead Exhibitions, Brest, France, pp. 17-32.
Conference papers
, Haroon, A. , Jegen, M. , Berndt, C. , Micallef, A. , Mountjoy, J., Schwalenberg, K., Gehrmann, R., Dettmer, J. and Weymer, B. A.
(2024)
Exploring for Offshore Freshened Groundwater: Integrated Geophysical Field Studies.
[Paper]
In: OCEANS 2024. , 23.-26.09.2024, Halifax, Canada .
DOI 10.1109/OCEANS55160.2024.10754589.
, Siebert, C., Rodiger, T. and Berndt, C.
(2024)
AI-Quifer - Using Artificial Intelligence to Determine Offshore Groundwater Occurrences That are Key to Coastal Water Management.
[Paper]
In: OCEANS 2024. , 23.-26.09.2024, Halifax, Canada .
DOI 10.1109/OCEANS55160.2024.10754589.
, Hölz, S. , Swidinsky, A., Sommer, M., Berndt, C. and Chi, W.
(2014)
Electromagnetic and Seismic Investigation of Methane Hydrates Offshore Taiwan – The Taiflux Experiment.
[Paper]
In: Oceans 2014. , 07.-10.04.2014, Taipei, China . OCEANS 2014 - TAIPEI . .
Presentations
, Paasche, H., Graber, S., Petersen, S. , Attias, E., Jegen, M. , Gehrmann, R., Hölz, S. and Klischies, M.
(2024)
Integrated Image Segmentation and Geophysical Data Analysis at the TAG Hydrothermal Field.
[Talk]
In: AGU Fall Meeting 2024. , 09.-13.12.2024, Washington DC, USA .
, Franz, G., Avdeeva, A., Hölz, S. , Neska, A., Wollatz-Vogt, M., Kopp, H. and Hannington, M. D.
(2024)
Back-Arc Rifting in the Eastern Lau Basin – a Magnetotelluric Study of the Nascent Fonualei Rift System.
[Talk]
In: AGU Fall Meeting 2024. , 09.-13.12.2024, Washington DC, USA .
, Haroon, A. , Jegen, M. , Berndt, C. , Gehrmann, R., Micallef, A. and Schwalenberg, K.
(2022)
Geophysical and Core Data Integration to Characterise an Offshore Freshened Groundwater System in the Canterbury Bight.
[Talk]
In: EAGE Conference 2022. , 06.06.-09.06.2022, Madrid, Spain .
, Haroon, A. , Jegen, M. , Gehrmann, R., Dettmer, J., Berndt, C. , Schwalenberg, K. and Micallef, A.
(2022)
Estimating pore-water salinity of offshore freshened groundwater using Bayesian inversion of marine controlled source electromagnetic (CSEM) data: A case study in the Canterbury Bight, New Zealand..
[Talk]
In: 82. Jahrestagung der Deutschen Geophysikalischen Gesellschaft (DGG). , 07.03-10.03.2022, München, Germany .
, Haroon, A. , Jegen, M. , Gehrmann, R., Dettmer, J., Micallef, A. , Berndt, C. and Schwalenberg, K.
(2022)
Bayesian inversion of marine controlled source electromagnetic (CSEM) data to estimate uncertainties in pore-water salinity: A case study in the Canterbury Bight, New Zealand.
[Talk]
In: International Workshop on Offshore Freshened Groundwater Research 2022. , 27.07.-28.07.2022, Valetta, Malta .
, Jegen, M. , Haroon, A. , Berndt, C. , Gehrman, R., Micallef, A. and Schwalenberg, K.
(2022)
Geophysical and Core Data Integration to Characterise and offshore Freshened Groundwater System in the Canterbury Bight.
[Talk]
In: 83. EAGE Annual Conference & Exhibition Workshop Programme. , 06.-09.06.2022, Madrid, Spain .
DOI 10.3997/2214-4609.202211048.
, Micallef, A. , Jegen, M. , Schwalenberg, K., Karstens, J. , Berndt, C. , Garcia, X., Kuehn, M. , Rizzo, E., Fusi, N. C., Ahanek, C. V., Petronio, L., Faghih, Z. , Weymer, B. A. , de Biase, M., Chidichimo, F., Pondthai, P. and Everett, M.
(2022)
Evidence for OFG in the carbonate margin of Malta? Insights from geophysical investigations.
[Talk]
In: International Workshop on Freshened Groundwater Research 2022. , 27.-28.07.2022, Valletta, Malta .
(2021)
Grundwasser unter dem Meer – eine Chance für trockene Küstenregionen?.
[Talk]
In: WissenSchaffen, GEOMAR. , 16.03.2021, Online .
, Jegen, M. , Neska, A. , Avdeeva, A., Schmid, F. , Dannowski, A. , Kopp, H. and Hannington, M. D.
(2021)
Crustal Structure of the nascent Fonualei Rift and Spreading Center, Lau basin, derived from Magnetotelluric Measurements.
[Talk]
In: IAGA-IASPEI 2021. , 21. - 27.08.2021, Online .
, Attias, E., Gustafson, C., Key, K., Evans, R., Jegen, M. , Hölz, S. and Schwalenberg, K.
(2021)
Hydro-geophysical investigations using controlled-source electromagnetic methods in near-coastal environments .
[Invited talk]
In: Joint Scientific Assembly IAGA-IASPEI 2021. , 21.-27.08.2021, Virtual Conference .
, Paasche, H., Graber, S., Jegen, M. and Petersen, S.
(2021)
An automated multi-variate data integration workflow to predict seafloor massive sulphide occurrences.
[Talk]
In: EAGE Conference 2021. , 18.10.-21.10.21, Amsterdam, Netherlands .
, Haroon, A. , Reeck, K. and Jegen, M.
(2020)
Electromagnetic experiments for the detection and characterization of seafloor massive sulfides: two case studies from the Mediterranean and Northern Mid-Atlantic Ridge.
[Talk]
In: EGU General Assembly 2020. , 03.05.-08.05.2020, Online .
DOI 10.5194/egusphere-egu2020-19308.
, Jegen, M. , Haroon, A. , Weymer, B. , Micallef, A. and Schwalenberg, K.
(2019)
Offshore Groundwater Investigation in the Canterbury Basin, New Zealand using Time-Domain Controlled Source Electromagnetic Data.
[Talk]
In: 28. Schmucker-Weidelt Kolloquium. , 23.09.-27.09.2019, Haltern am See, Germany .
, Haroon, A. , Hölz, S. , Minshull, T. A., Jegen, M. and Murton, B. J.
(2019)
Metal sulphide occurrence at the Mid-Atlantic Ridge: An interdisciplinary case study.
[Talk]
In: 27. IUGG General Assembly 2019. , 08.07.-18.07.2019, Montreal, Canada .
, Hölz, S. , Gehrmann, R. A. S. , Reeck, K., Attias, E. , Jegen, M. and Minshull, T. A.
(2019)
Marine dipole–dipole controlled source electromagnetic and coincident-loop transient electromagnetic experiments to detect seafloor massive sulphides: effects of three-dimensional bathymetry.
[Talk]
In: IUGG Centennial Meeting. , 08.07.-18.07.2019, Montreal, Canada .
, Hölz, S. and Jegen, M.
(2019)
Recent developments in TD-CSEM Inversion for shallow seafloor exploration.
[Talk]
In: EMTF Meeting 2019. , 23.09.-27.09.2019, Haltern am See, Germany .
, Jegen, M. , Schwalenberg, K., Weymer, B. , Faghih, Z. and Micallef, A.
(2019)
2D Inversion of Marine Time Domain CSEM Data: Developments and Application to an Offshore Aquifer Investigation in the Canterbury Basin, New Zealand.
[Talk]
In: IUGG General Assembly 2019. , 08.-18.07.2019, Montreal, Canada .
, Micallef, A. , Weymer, B. , Schwalenberg, K. and Jegen, M.
(2019)
2D inversion of marine time-domain electromagnetic data to delineate an offshore aquifer in the Canterbury Basin, New Zealand.
[Talk]
In: DGG Annual Meeting 2019. , 26.-29.03.2019, Braunschweig .
, Paasche, H. and Jegen, M.
(2019)
Uncertainty quantification of automated machine learning strategies to interpret marine data: A showcase from deep-sea lithological mapping and mineral exploration.
[Talk]
In: Annual Digital Earth Meeting 2019. , 20.05.-24.05.2019, Novy Kostel, Czech Republic .
, Haroon, A. , Reeck, K., Petersen, S. , Safipour, R. and Jegen, M.
(2019)
Detection of buried seafloor massive sulfides with the MARTEMIS TEM system.
[Talk]
In: Prospectors and Developers Meeting 2019. , 06.03.2019, Toronto, Canada .
(2019)
Offshore Groundwater Exploration – A Case Study from New Zealand.
[Invited talk]
In: Lamont-Doherty Earth Observatory, Columbia University. , 08.10.2019, Palisades, NY, USA .
(2019)
Offshore Groundwater Exploration – A Case Study from New Zealand.
[Invited talk]
In: University of Toronto. , 16.10.2019, Toronto, Canada .
, Haroon, A. , Fahghi, Z., Weymer, B. , Wölz, S., Schwalenberg, K., Duan, S. and Moorkamp, M.
(2019)
Extracting essential geological information from joint physical parameter models.
[Invited talk]
In: EAGE Joint Inversion Workshop. , 02.06.2019, London, UK .
and Hölz, S.
(2019)
New exploration challenges and instrument systems in marine EM.
[Invited talk]
In: MARELEC 2019. , 22.10.-25.10.2019, Marine Biological Laboratory, Woods Hole, USA .
, Haroon, A. , Person, M. A., Weymer, B. , Jegen, M. , Schwalenberg, K., Faghih, Z., Duan, S. M., Cohen, D., Mountjoy, J. J., Woelz, S., Gable, C. W., Tiwari, A. K. and Averes, T.
(2019)
3D characterisation of an offshore freshened groundwater system in a passive siliciclastic margin: Canterbury Bight.
[Talk]
In: AGU Fall Meeting 2019. , 09.-13.12.2019, San Francisco, USA .
and Jegen, M.
and Blue Mining Project Team
(2019)
Integrated assessment of hydrothermally extinct seafloor massive sulphide deposits at the TAG hydrothermal field.
[Talk]
In: InterRidge Workshop on "Hydrothermal ore-forming processes and the fate of SMS deposits alons slow and ultra-slow spreading MOR". , 19.-21.09.2019, Hangzhou, China .
and Jegen, M.
(2019)
Assessing hydrothermally extinct seafloor massive sulphide deposits (eSMS): Lessons from the Blue Mining Project, Mid-Atlantic Ridge.
[Talk]
In: 48. Underwater Mining Conference. , 22.-26.09.2019, Sanya, Heinan, China .
, Haroon, A. , Faghih, Z., Schwalenberg, K., Micallef, A. and Jegen, M.
(2019)
Using marine CSEM to map offshore aquifers in New Zealand and Malta.
[Talk]
In: MARELEC 2019. , 22.10.-25.10.2019, Woods Hole, USA .
, Hölz, S. , Morton, M., Haroon, A. , Ollington, B., Minshull, T. A., Jegen, M. D. , North, L., Gil, A., Tan, Y. Y., Attias, E., Schroeder, H., Bialas, J. and Murton, B.
(2018)
Massive sulphide exploration at the Mid-Atlantic Ridge 26°N: an interdisciplinary geophysical study.
[Talk]
In: Geological Society of London – William Smith Meeting. , 03.07.2018, London, England .
, Hölz, S. , Weymer, B. , Tezkan, B. and Jegen, M.
(2018)
Calculating Time-Domain Controlled Source Electromagnetic Signals with MARE2DEM.
[Talk]
In: 3. Applied Shallow Marine Geophysics Conference. , 09.-13.09.2018, Porto, Portugal .
DOI 10.3997/2214-4609.201802663.
, Haroon, A. , Reeck, K., Petersen, S. , Safipour, R. and Jegen, M.
(2018)
Detection of Buried Seafloor Massive Sulfides with the transient electromagnetic system MARTEMIS.
[Invited talk]
In: PDAC Convention 2018. , 03.03.-06.03.2018, Toronto, Canada .
, Haroon, A. , Reeck, K. and Jegen, M.
(2018)
MARTEMIS – A New EM Tool for the Detection of Buried Seafloor Massive Sulfides.
[Talk]
In: 24. International EM Induction Workshop. , 13.-20.08.2018, Helsingør, Denmark .
, Jegen, M. , Schwalenberg, K., Hölz, S. , Faghih, Z., Duan, S., Micallef, A. and Mountjoy, J.
(2018)
Mapping offshore freshwater aquifers using marine controlled-source electromagnetics: Canterbury Basin, New Zealand.
[Talk]
In: EGU General Assembly 2018. , 08.-13.04.2018, Vienna, Austria .
, Gil, A., Lehrmann, B., Dutrieux, A., Stobbs, I., Gehrmann, R., Hoelz, S. and Jegen, M.
(2018)
An integrated approach to assessing seafloor massive sulphide deposits.
[Talk]
In: Marine Minerals: A New Resource for the 21st Century?. , 31.10.-1.11.2018, The Geological Society, London, England .
, Hölz, S. , North, L., Jegen, M. , Gil, A., Vardy, M., Schröder, H., Bialas, J. , Tan, Y. Y., Attias, E., Sommer, M., Minshull, T. and Murton, B.
(2017)
Massive sulphide exploration at the Mid-Atlantic Ridge 26°N: an integrated geophysical study.
[Talk]
In: AGU Fall Meeting 2017. , 11.12 - 15.12.2017, New Orleans, USA .
, North, L., Szitkar, F., Graber, S., Yeo, I., Petersen, S. , Jegen, M. , Gil, A., Vardy, M., Schröder, H., Bialas, J. , Tan, Y. Y., Attias, E., Sommer, M., Minshull, T. and Murton, B.
(2017)
Results from CSEM experiments at the Mid-Atlantic Ridge (TAG area, 26°N) and integration with geophysical data.
[Talk]
In: EMTF Conference. , 25.-29.09.2017, Breklum, Germany .
, North, L., Szitkar, F., Graber, S., Yeo, I., Petersen, S. , Jegen, M. , Gil, A., Vardy, M., Schröder, H., Bialas, J. , Tan, Y. Y., Attias, E., Sommer, M., Minshull, T. and Murton, B.
(2017)
Results from CSEM experiments at the Mid-Atlantic Ridge (TAG area, 26 degrees N) and
integration with geophysical data.
[Talk]
In: 27. Schmucker-Weidelt Kolloquium für Elektromagnetische Tiefenforschung. , 25.-29.09.2017, Breklum, Germany .
, Tan, I. , Minshull, T. , Ollington, B. , Attias, E. , North, L. , Hölz, S. , Sommer, M., Jegen, M. , Szitkar, F., Graber, S., Petersen, S. , Schröder, H., Bialas, J. , Gill, A. , Vardy, M. and Murton, B.
(2017)
Massive sulphide exploration with controlled source electromagnetics at the Mid-Atlantic Ridge.
[Talk]
In: MARELEC 2017 . , 27.-30.06.2017, Liverpool, UK .
, Hölz, S. and Jegen, M.
(2017)
Marine TEM measurements in the workarea 3-Mounds (Mid Atlantic Ridge, TAG area).
[Talk]
In: 27. Schmucker-Weidelt Kolloquium für Elektromagnetische Tiefenforschung. , 25.-29.09.2017, Breklum, Germany .
and Jegen, M.
(2017)
Messungen mit dem TEM Spulensystem „MARTEMIS“ am mittelatlantischen Rücken in der Umgebung des TAG Hydrothermalfeldes.
[Talk]
In: DGG Annual Meeting 2017. , 27.-30.03.2017, Potsdam, Germany .
and Jegen, M.
(2017)
Mapping seafloor ore deposits in the Tyrhennian Sea with a new time-domain coincident loop system.
[Talk]
In: MARELEC 2017. , 27.06.-30.06.17, Liverpool, UK .
, Duan, S., Li, G., Schwalenberg, K. and Jegen, M.
(2017)
Investigations on gas hydrate occurrences in the Western Black Sea with the Sputnik controlled source electromagnetic system.
[Talk]
In: DGG Annual Meeting 2017. , 27.-30.03.2017, Potsdam, Germany .
and Jegen, M.
(2017)
Implementation of the Rational Krylov subspace method for marine tCSEM forward modeling and sensitivity calculation on GPU.
[Talk]
In: 6. International Symposium on Three-Dimensional Electromagnetics (3DEM-6). , 28.-30.03.2017, Berkeley, California, USA .
and Jegen, M.
(2017)
Sensitivity calculations by model order reduction in the rational Krylov Subspace.
[Talk]
In: 27. Schmucker-Weidelt Kolloquium für Elektromagnetische Tiefenforschung. , 25.-29.09.2017, Breklum, Germany .
, Jegen, M. , Schwalenberg, K., Hölz, S. , Faghih, Z., Duan, S. M., Micallef, A. and Mountjoy, J.
(2017)
Using marine controlled-source electromagnetics to map the occurrence of offshore groundwater: Canterbury Basin, New Zealand.
[Talk]
In: IMEKO TC19 Workshop on Metrology for the Sea “Learning to measure sea health parameters.”. , 11.10.-13.10.2017, Naples, Italy .
, Hölz, S. , Safipour, R., Swidinsky, A. and Petersen, S.
(2016)
Exploration of Buried SMS Deposits with Time Domain EM.
[Talk]
In: Near Surface Geoscience 2016 - Second Applied Shallow Marine Geophysics Conference. , 04.-08.09.2016, Barcelona, Spain .
DOI 10.3997/2214-4609.201602170.
, Utada, H. and Geissler, W.
(2016)
Electrical conductivity structure of the mantle beneath the Tristan da Cunha hotspot area in southern Atlantic.
[Talk]
In: DGG Anual Meeting 2016. , 14.-17.03.2016, Münster, Germany .
, Utada, H., Geissler, W. and Jokat, W.
(2016)
The magmatic source of the Tristan da Cunha hotspot: Implication from electrical conductivity.
[Talk]
In: EGU General Assembly 2016. , 17.-22.04.2016, Vienna, Austria .
and Jegen, M.
(2016)
How to Find Buried and Inactive Seafloor Massive Sulfides Using Transient Electromagnetics - A Case Study from the Palinuro Seamount.
[Talk]
In: EAGE/DGG Workshop on Deep Mineral Exploration. , 18.03.2016, Münster, Germany .
DOI 10.3997/2214-4609.201600037.
and Jegen, M.
(2016)
Detektierung und Charakterisierung von inaktiven Massivsulfiden im marinen Umfeld mittels transienter Elektromagnetik - eine Fallstudie vom Palinuro Seamount.
[Talk]
In: DGG Annual Meeting 2016. , 14.-17.03.2016, Münster, Germany .
(2016)
Unlocking the Treasures of the Ocean: Current Assessment and Future Prospectives of Seafloor Resources (C. F. Gauss Lecture).
[Invited talk]
In: EGU General Assembly 2016. , 17.-22.04.2016, Vienna, Austria .
, Pandey, S. , Geissler, W. , Jokat, W. and Jegen, M.
(2016)
Crustal Structure Around the Tristan da Cunha Hotspot Derived from Ambient Noise.
[Talk]
In: EGU General Assembly 2016. , 17.-22.04.2016, Vienna, Austria .
(2016)
Hunting for the Tristan plume - An upper mantle tomography around the volcanic island Tristan da Cunha.
[Talk]
In: EGU General Assembly 2016. , 17.-22.04.2016, Vienna, Austria .
(2016)
Hunting for the Tristan Mantle Plume - Upper mantle tomography around Tristan da Cunha.
[Talk]
In: 2016 DGF SPP1375 SAMPLE Colloquium. , 06.-08.06.2016, München, Germany .
and Berndt, C.
(2015)
Characterization of methane hydrates and free gas deposits at Nyegga CNE03 pockmark, using marine CSEM and seismic joint-interpretation.
[Talk]
In: EGU General Assembly 2015. , 12.–17.04.2015 , Vienna, Austria .
, Utada, H., Kammann, J. and Geissler, W. H.
(2015)
Topographic effect in marine magnetotelluric data and implications to the electrical conductivity structure of the mantle beneath the Tristan da Cunha hotspot area.
[Talk]
In: AGU 2015. , 14. – 18.12.15, San Francisco, USA .
(2015)
Tristan de Cunha MT data processing.
[Talk]
In: EMTF Meeting 2015. , 21.-25.09.2015, Dassel, Germany .
, Baba, K. and Geissler, W.
(2015)
MT experiment in Tristan de Cunha Hot spot.
[Talk]
In: EMTF Meeting 2015. , 21.-25.09.2015, Dassel, Germany .
and Baba, K.
(2015)
Response Function Estimation of Marine Magnetotelluric Data Measured at Tristan de Cunha Hot Spot.
[Talk]
In: AGU 2015. , 14. – 18.12.15, San Francisco, USA .
, Jokat, W., Trumbull, R., Chen, J., Pandey, S., Ryberg, T. and Schlömer, A.
(2015)
Insight into the shallow lithosphere structure and magmatic plumbing system beneath the Tristan da Cunha hot spot from geophysical and petrological studies.
[Talk]
In: 2. European Mantle Workshop. , 25.-28.08.2015, Wroclaw, Poland .
and Jegen, M.
(2015)
How to Find Buried and Inactive Seafloor Massive Sulfides using Transient Electromagnetics - A Case Study from the Palinuro Seamount in the Tyrrhenian Sea.
[Talk]
In: EMTF Meeting 2015. , 21.-25.09.2015, Dassel, Germany .
, Jegen, M. , Petersen, S. and Hannington, M. D.
(2015)
How to find buried and inactive seafloor massive sulfides using transient
electromagnetics – a case study from the Palinuro Seamount in the
Tyrrhenian Sea.
[Talk]
In: Underwater Mining Conference 2015. , 01.-05.11.2015, Tampa Bay, Florida, USA .
and Ritter, O.
(2015)
Electrical conductivity images across the Namibian passive margin: Tectonic implications for the evolution of the Kaoko Belt, the western Kongo Craton and the Walvis Ridge.
[Talk]
In: EMTF Meeting 2015. , 21.-25.09.2015, Dassel, Germany .
, Pandey, S. , Geissler, W. , Jokat, W. and Jegen, M.
(2015)
Crustal Structure Around the Tristan da Cunha Hotspot Derived from Ambient Noise.
[Talk]
In: AGU 2015. , 14. – 18.12.15, San Francisco, USA .
, Geissler, W. , Jegen, M. and Jokat, W.
(2015)
Is there any mantle plume beneath Tristan da Cunha?.
[Talk]
In: AGU 2015. , 14. – 18.12.15, San Francisco, USA .
, Geissler, W. , Jokat, W. and Jegen, M.
(2015)
Is there any mantle plume beneath Tristan da Cunha?.
[Talk]
In: 41. Sitzung der AG Seismologie. , 15.-17.09.2015, Wildbad-Kreuth, Germany .
, Hobbs, R. W. and Berndt, C.
(2014)
2-D and 3-D Joint Inversion of Seismic, MT and Gravity Data from the Faroe-Shetland Basin.
[Talk]
In: EAGE Conference 2014. , 16.-19.07.2014, Amsterdam, Netherlands .
DOI 10.3997/2214-4609.20141109.
, Swidinsky, A. and Jegen, M.
(2014)
Investigations on Small Scale Targets with Sputnik, A Two Polarization Transmitter System.
[Talk]
In: CSEM Workshop during the EAGE Meeting 2014. , 16.-19.06.2014, Amsterdam, Netherlands .
(2014)
Joint-inversion: The Way Forward to a Comprehensive Earth Model.
[Invited talk]
In: 16. SEISMIX International Symposium on Multi-scale Seismic Imaging of the Earth's crust and Upper Mantle. , 12.-17.10.2014, Barcelona, Spain .
(2014)
Joint Invension: The Way Forward to a comprehensive Earth Model.
[Invited talk]
In: Heiland Lecture, Colorado School of Mines. , 26.02.2014, Golden, CO, USA .
, Hölz, S. , Cukur, D., Sommer, M., Attias, E., Weitemeyer, K. and Berndt, C.
(2014)
Joint Interpretation of Electromagnetic and Seismic Data to Determine Gas and Methane Hydrate Distribution within the Nyegga CNE03 Seep.
[Talk]
In: AGU Fall Meeting 2014. , 15.-19.12.2014, San Francisco, USA .
, Planert, L., Jokat, W., Ryberg, T., Bialas, J. and Jegen, M.
(2013)
Crustal architecture and deep structure of the Namibian passive continental margin around Walvis Ridge from wide-angle seismic data.
[Invited talk]
In: EGU General Assembly 2013. , 07.-12.04.2013, Vienna, Austria .
Geophysical Research Abstracts, 15
(EGU2013-9241).
, Swidinsky, A. and Jegen, M.
(2013)
The Use of Rotational Invariants for the Interpretation of Marine CSEM Data.
[Talk]
In: MARELEC 2013. , 16.-19.07.2013, Hamburg .
, Swidinsky, A., Sommer, M., Lüdemann, M. and Jegen, M.
(2013)
Sputnik – New Approaches to Marine
Electromagnetics.
[Talk]
In: EMTF Meeting. , 23.- 27.09.2013, Kirchhundem Rahrbach, Germany .
, Jegen, M. , Schindlbeck, J. C. , Mitrovica, J. X., Kwasnitschka, T., Freundt, A. and Huybers , P.
(2013)
A detection of Milankovitch frequencies in tephra records of arc volcanism.
[Invited talk]
In: AGU Fall Meeting 2013. , 07.-13.12.2013, San Francisco, USA .
and Jegen, M.
(2013)
Locating seafloor receivers using late time marine CSEM fields: Theory and applications.
[Talk]
In: MARELEC 2013. , 16.-19.07.2013, Hamburg .
and Jegen, M.
(2013)
Rapid seafloor resistivity mapping using the GEOMAR transient marine CSEM system.
[Talk]
In: EAGE Meeting 2013. , 10.06.-13.06.2013 , London .
(2012)
Joint inversion of seismic reflection and CSEM data: A systematic analysis.
[Talk]
In: 72. Jahrestagung der Deutschen Geophysikalischen Gesellschaft. , 05.-08.03.2012, Hamburg .
and Jegen, M.
(2012)
The transient marine CSEM response of a conductive seafloor using a
horizontal wire loop.
[Talk]
In: 72. Jahrestagung der Deutschen Geophysikalischen Gesellschaft (DGG). , 05.-08.03.2012, Hamburg .
, Jegen, M. and Edwards, R. N.
(2012)
On locating a ship-towed electromagnetic streamer using a seafloor dipole transmitter.
[Talk]
In: Oceans’ 12 MTS/IEEE Conference. , 21.-24.05.2012, Yeosu, South Korea .
, Moorkamp, M. and Heincke, B.
(2011)
Using Empirical Mode Decomposition (EMD) for the processing of marine MT data.
[Talk]
In: EGU General Assembly 2011. , 03.04.-08.04.2011, Vienna, Austria .
Geophysical Research Abstracts, 13
(EGU2011-8056).
, Mechie, J. and Weber, M.
(2011)
Incipient Continent-Continent Collision between the Eratosthenes Seamount and Cyprus / Eastern Mediterranean.
[Talk]
In: EGU General Assembly 2011. , 03.04.-08.04.2011, Vienna, Austria .
Geophysical Research Abstracts, 13
(EGU2011-1857 ).
, Hölz, S. , Swidinsky, A. and Brückmann, W.
(2011)
Quantification of marine sulfide deposits using marine electromagnetic methods.
[Talk]
In: OCEANS '11 MTS/IEEE Kona. , 19.09.-22.09.2011, Kona, Hawaii, USA .
, Worzewski, T., Kopp, H. , Brasse, H. and Taylor, W.
(2011)
Magnetotelluric image of the fluid cycle in the Costa Rican subduction zone.
[Talk]
In: EGU General Assembly 2011. , 03.04.-08.04.2011, Vienna, Austria .
Geophysical Research Abstracts, 13
(EGU2011-9998 ).
and Jegen, M.
(2011)
Mapping the resistivity structure of the North Alex mud volcano with the marine CSEM method.
[Talk]
In: Schmucker-Weidelt-Kolloquium - 24. Kolloquium Elektromagnetische Tiefenforschung. , 26.09.-29.09.2011, Neustadt an der Weinstraße .
, Jegen, M. D. , Lefeldt, M. R., Hölz, S. and Feseker, T.
(2010)
Dynamic controls of fluid and gas flow at North Alex Mud Volcano, West Nile Delta.
[Talk]
In: AGU Fall Meeting 2010. , 13.12.-17.12.2010, San Francisco, California, USA .
, Moorkamp, M. and Heincke, B.
(2010)
The Empirical Mode Decomposition and Hilbert instantaneous spectrum on MT data processing .
[Talk]
In: 20th International Electromagnetic Induction Workshop. , 19.09.2010, Giza, Egypt .
, Moorkamp, M. and Chen, J.
(2010)
An adaptive coupling strategy for joint inversion of MT, seismic and gravity data.
[Talk]
In: 70. Jahrestagung der DGG. , 15.-18 März 2010, Bochum .
and Jegen, M.
and European Geosciences Union
(2010)
The resistivity structure of the North Alex Mud Volcano as derived from the interpretation of CSEM data.
[Talk]
In: EGU General Assembly 2010. , 02.05.-07.05.2010, Vienna, Austria . Geophysical Research Abstracts. .
, Kutterolf, S. , Kwasnitschka, T. and Freundt, A.
and European Geosciences Union
(2010)
Cyclic volcanism at convergent margins: linked to aarth orbital parameters or climate changes?.
[Talk]
In: EGU General Assembly 2010. , 02.05.-07.05.2010, Vienna, Austria . Geophysical Research Abstracts. .
, Moorkamp, M., Heincke, B. , Hobbs, R. and Richards, A. S.
(2010)
The use of different coupling strategies in joint inversion.
[Invited talk]
In: SEG Workshop Advances in Joint Inversion. , 22.10.2010, Denver, Colo. USA .
, Heincke, B., Roberts, A. W. and Hobbs, R. W.
(2010)
A framework for 3D joint inversion of MT, gravity and seismic refraction data .
[Invited talk]
In: AGU Fall Meeting 2010. , 13.-17.12.2010, San Francisco, USA .
and European Geosciences Union
(2010)
Using pressure and seismological broadband ocean data model shear wave velocities in the North Atlantic.
[Talk]
In: EGU General Assembly 2010. , 02.05.-07.05.2010, Vienna, Austria . Geophysical Research Abstracts. .
(2010)
The coastal effect on marine MT data: Determining a characteristic period & characteristic length to account for peaks in TE mode apparent resistivity, negative phases and an unusual Tipper.
[Talk]
In: 20th Electromagnetic Induction Workshop. , 18.-24.09.2010, Giza, Egypt .
, Kopp, H. , Brasse, H. and Taylor, W.
(2010)
The Cycle of Hydration and Fluid Release in the Costa Rican Subduction Zone imaged through electromagnetic soundings: Where has all the water gone?.
[Invited talk]
In: AGU Fall Meeting 2010. , 13.-17.12.2010, San Francisco, USA .
(2009)
Salt dome overhang detectability study for marine magnetotelluric method.
[Talk]
In: International Association of Geomagnetism and Aeronomy Scientific Assembly. , 23.08.-30.08, Soprun, Hungary .
(2009)
The Empirical Mode Decomposition and Spectra based on Direct Quadrature in MT data processing.
[Talk]
In: AGU Fall Meeting. , 14.12.-19.12, San Francisco, California, USA .
(2009)
Empirical Mode Decomposition and Hilbert Spectra in MT data processing.
[Talk]
In: EGU General Assembly. , 19.04.-23.04, Vienna, Austria .
(2009)
MT data processing with Empirical Mode Decomposition and Hilbert Spectra.
[Other]
In: 69. Jahrestagung der Deutschen Geophysikalischen Gesellschaft (DGG). , 23.03.-26.03.2009, Kiel . 69. Jahrestagung der Deutschen Geophysikalischen Gesellschaft in Kiel : 23. - 26. März 2009. ; pp. 187-188 .
, Hölz, S. , Jegen-Kulcsar, M. , Lefeldt, M., Sommer, M. and Worzewski, T.
(2009)
Magnetotellurische und reflexionsseismische Daten im Umfeld des Schlammvulkans North Alex, West Nil Delta - erste Ergebnisse.
[Talk]
In: Jahrestagung der Deutschen Geophysikalischen Gesellschaft (DGG). , 23.03.-26.03, Kiel .
, Moorkamp, M. and Chen, J.
(2009)
Comparison of different coupling strategies in joint inversions.
[Talk]
In: AGU Fall Meeting. , 14.12.-19.12, San Francisco, California, USA .
and Jegen-Kulcsar, M.
(2009)
CSEM-Experiment am Schlammvulkan "North Alex" im südöstlichen Mittelmeer.
[Talk]
In: 69. Jahrestagung der Deutschen Geophysikalischen Gesellschaft (DGG). , 23.03.-26.03, Kiel .
and Jegen-Kulcsar, M.
(2009)
Harmonic oscillations in EM-signals measured on the North Alex Mud Volcano.
[Talk]
In: EMTF-Meeting. , Seddiner See .
and Jegen-Kulcsar, M.
(2009)
Development of a CSEM system for the electromagnetic investigation of the North Alex Mud Volcano.
[Talk]
In: EGU General Assembly. , 19.04.-23.04, Vienna, Austria .
and Jegen, M.
(2009)
Erste Ergebnisse eines CSEM-Experiments auf dem Schlammvulkan North Alex im südöstlichen Mittelmeer.
[Other]
In: 69. Jahrestagung der Deutschen Geophysikalischen Gesellschaft (DGG). , 23.03.-26.03.2009, Kiel . 69. Jahrestagung der Deutschen Geophysikalischen Gesellschaft in Kiel : 23.-26. März 2009. ; p. 22 .
, Freundt, A. , Kwasnitschka, T., Jegen-Kulcsar, M. , Graf, H. F., Perez, W. and Schmincke, H. U.
(2009)
Cyclic volcanism at convergent margins: controlled by global climate changes?.
[Talk]
In: EGU General Assembly. , 19.04.-23.04, Vienna, Austria .
, Hobbs, R. W. , Roberts, A. W. and Heincke, B.
(2009)
Towards 3D joint inversion of full tensor gravity, magnetotelluric and seismic refraction data.
[Talk]
In: AGU Fall Meeting. , 14.12.-19.12, San Francisco, California, USA .
, Pecher, I. A., Toulmin, S. J., Hamdan, L. J., Netzeband, G., Wood, W., Poort, J., Jegen-Kulcsar, M. and Coffin, R. D.
(2009)
Assessing submarine gas hydrate at active seeps on the Hikurangi Margin, New Zealand, using controlled source electromagnetic data with constraints from seismic, geochemistry, and heatflow data.
[Talk]
In: AGU Fall Meeting. , 14.12.-19.12, San Francisco, California, USA .
, Brasse, H. and Kapinos, G.
(2009)
Using Amphibious Magnetotellurics to image Hydration and Dehydration of the Costa Rican Subduction Zone and to demonstrate the bathymetric effect on marine data.
[Talk]
In: 23. Kolloquium Elektromagnetische Tiefenforschung (EMTF). , 28.9- 02.10, Heimvolkshochschule Seddiner See, Germany .
, Brasse, H. and Taylor, W.
(2009)
Deep electrical resistivity structure of the Costa Rican subduction zone.
[Talk]
In: EGU General Assembly. , 19.04.-24.04, Vienna, Austria .
, Brasse, H. and Taylor, W.
(2009)
Amphibious MT Experiment on Costa Rican subduction zone to investigate deep electrical resistivity structure.
[Talk]
In: International Association of Geomagnetism and Aeronomy Scientific Assembly. , 23.08.-30.08, Soprun, Hungary .
, Muetschard, L., Brasse, H., Kopp, H. and Taylor, W.
(2009)
Imaging hydration and dehydration of the Costa Rican subduction zone based on an amphibious magnetotelluric profile.
[Talk]
In: AGU Fall Meeting. , 14.12.-19.12, San Francisco, California, USA .
, Brasse, H. and Taylor, W.
(2009)
Amphibious MT experiment on Costa Rican subduction zone to investigate deep electrical resistivity structure.
[Talk]
In: 69. Jahrestagung der Deutschen Geophysikalischen Gesellschaft (DGG). , 23.03.-26.03.2009, Kiel . 69. Jahrestagung der Deutschen Geophysikalischen Gesellschaft in Kiel : 23.-26. März 2009. ; p. 21 .
(2008)
First deep resistivity section of Costa Rica.
[Talk]
In: 19. International Workshop on EM Induction in the Earth. , 23.10.-29.10, Beijing, China .
(2008)
Empirical model decomposition and Hilbert Hunag Transform (HHT) in MT data processing.
[Talk]
In: 19. International Workshop on EM Induction in the Earth. , 23.10.-29.10, Beijing, China .
(2008)
Marine Elektromagnetik in der Wissenschaft und Industrie.
[Talk]
In: Kolloquium. , 22.05, Berlin .
, Hobbs, R. and Henderson, D.
(2008)
Joint inversion of MT, gravity and seismic data applied to sub-basalt imaging.
[Talk]
In: 19. International Workshop on EM Induction in the Earth. , 23.10.-29.10, Beijing, China .
and Keen, G.
(2008)
Marine controlled source electromagnetics on the Hikurangi Margin, NZ: coincidence between cold gas seep sites and electrical resistivity anomalies indicating sub-seafloor gas hydrate deposits.
[Talk]
In: 6th International Conference of Gas Hydrates 2008. , 06.-10.07, Vancouver, British Columbia, Canada .
(2008)
Geophysical implications of submarine gas seeps on the Hikurangi Margin, NZ.
[Talk]
In: EGU General Assembly. , 13.04.-18.04, Vienna, Austria .
, Chen, J., Hölz, S. , Moorkamp, M. and Brasse, H.
(2008)
Marine magnetotellurics on Costa Rican subduction zone.
[Talk]
In: 19. International Workshop on Electromagnetic Induction in the Earth. , 23.10.-29.10, Beijing, China .
, Greinert, J. , Barnes, P., Henrys, S., Jegen-Kulcsar, M. , Klaucke, I. , Krabbenhöft, A., Netzeband, G., Pecher, I. and Petersen, C. J.
(2007)
Cold vents and gas hydrates - first results from the cruise SO 191-1 to the Hikurangi Plateau offshore New Zealand.
[Talk]
In: European Geosciences Union General Assembly. , 18.04, Vienna, Austria .
(2007)
Empirical Mode Decomposition in MT Data Processing.
[Talk]
In: Kolloquium Elektromagnetische Tiefenforschung. , Decin, Czechoslovakia .
and Heincke, B.
(2007)
Joint Inversion and Topographic Correction of Geophysical Data.
[Talk]
In: 20th Colloquium of Latin-American Earth Sciences. , 10.04.-13.04, Kiel .
, Chen, J. and Heincke, B.
(2007)
Joint Inversion applied to data from the Faroe-Shetland Trough.
[Invited talk]
In: EAGE. , London, Great Britain .
(2007)
Imaging Subduction Zones with Marine Magnetotellurics.
[Talk]
In: Workshop to Integrate Subduction Factory and Seismogenic Zone Studies in Central America. , 18.- 22.06, Heredia, Costa Rica .
, Caldwell, G. and Keen, D.
(2007)
Marine CSEM Using a Bottom -Towed System to Explore Submarine Cold Vent Sites in Cascadia and New Zealand.
[Talk]
In: IUGG 24th General Assembly 2007. , 02.-13.07, Pergugia, Italy .
and Franke, A.
(2007)
Planning a Marine MT Experiment On a subduction zone.
[Talk]
In: US-MARGINS/SFB574 Workshop to integrate Subduction Factory and Seismogenic Zone Studies in Central America. , 18-22.7, San José, Costa Rica .
and Franke, A.
(2007)
Marine MT experiment in Costa Rica.
[Talk]
In: US-MARGINS/SFB574 Workshop. , San Jose, Costa Rica .
and Franke, A.
(2007)
Marine MT Experiment on Subduction Zones.
[Talk]
In: LAK 2007: 20th Colloquium on Latin American Earth Sciences. , 11.- 13.04, Kiel, Germany .
, Jegen-Kulcsar, M. , Chen, J. and Hobbs, R. W.
(2006)
Joint Inversion of MT, Gravity and Seismic Data applied to sub-basalt Imaging.
[Invited talk]
In: SEG Annual Meeting 2006, International Exposition and 76. Annual Meeting. , 01.-06.10.2006, New Orleans, Louisiana, USA .
and Hobbs, R. W.
(2006)
Joint Inversion von seismischen Tomografie-, MT- und Gravimetriedaten zur Bestimmung von Strukturen unterhalb von Basaltschichten.
[Invited talk]
In: UNSPECIFIED. , Bremen .
(2006)
Concept of Joint Inversion.
[Invited talk]
In: Joint Inversion Workshop. , New Orleans, USA .
(2006)
Strategies for Joint Inversion of Geophysical Data.
[Talk]
In: Society of Exploration Geophysicists, Annual Meeting. , 01.- 06.10, New Orleans, USA .
and Heincke, B.
(2006)
Joint inversion: the proper way to combine seismics tomography, gravitiy and MT data.
[Talk]
In: 2nd Faeroese Sub basalt Imaging Conference. , Torshavn, Faeroe Islands .
and Heincke, B.
(2006)
Marine EM Experiment on Subduction Zones.
[Talk]
In: Jahrestagung DGG. , 06.- 09.03, Bremen , Germany .
, Heincke, B. and Hobbs, R.
(2006)
Joint inversion: The way foward.
[Talk]
In: 2nd Faeroese Sub basalt Imaging Conference. , Torshavn, Faeroe Islands .
, Hobbs, R., Heincke, B. , Watts, A. B., Peirce, C. and Greenroyd, C. J.
(2006)
Quantifying uncertainty in margin structure derived from long-offset seismic data.
[Talk]
In: Meeting for the Ocean Margins LINK Programme. , 15.- 17.11, London, England .
Conference posters
, Haroon, A. , Jegen, M. , Berndt, C. , Weymer, B. A. , Reeck, K., Müller, T. and Schmidt, M.
(2022)
Characterizing Offshore Freshened Groundwater in a Carbonate Shelf Using Integrated Geophysical and Geochemical Analysis: A Case Study from the Maltese Islands..
[Poster]
In: 25. EM Induction Workshop. , 11.-17.09.2022, Cesme, Turkey .
, Singh, R. K., Baba, K., Usui, Y., Grayver, A., Jegen, M. , Morschhauser, A., Geissler, W., Matzka, J. and Kuvshinov, A.
(2022)
Revisit of the mantle electrical structure beneath the Tristan da Cuna hotspot by using a 3-D inversion based on non-conforming deformed hexahedral mesh.
[Poster]
In: 25. EM Induction Workshop. , 11.-17.09.2022, Cesme, Turkey .
, Haroon, A. , Jegen, M. , Gehrmann, R., Dettmer, J., Micallef, A. , Berndt, C. , Dosso, S. E., Schwalenberg, K. and Weymer, B. A.
(2021)
Sub-seafloor Pore-fluid Salinity Estimation in the Canterbury Bight, New Zealand, based on Bayesian Inversion of Controlled-source Electromagnetic Data.
[Poster]
In: 81. Jahrestagung der Deutschen Geophysikalischen Gesellschaft (DGG). , 01.03.-05.03.2021, Kiel (online) .
, Berndt, C. and Rabbel, W.
(2021)
Comparison of Earth models of the Namibian continental margin derived from Joint MT and Gravity Inversions.
[Poster]
In: 81. Jahrestagung der Deutschen Geophysikalischen Gesellschaft (DGG). , 01.03.-05.03.2021, Kiel (online) .
, Paasche, H., Jegen, M. , Graber, S. and Petersen, S.
(2021)
Using machine learning workflows to identify seafloor massive sulfides based on disparate geophysical data.
[Poster]
In: 81. Jahrestagung der Deutschen Geophysikalischen Gesellschaft (DGG). , 01.03.-05.03.2021, Kiel (online) .
, Barnscheid, K. C., Reeck, K. and Jegen, M.
(2021)
Electromagnetic experiments for the detection and characterization of seafloor massive sulfides at the Palinuro Seamount.
[Poster]
In: 81. Jahrestagung der Deutschen Geophysikalischen Gesellschaft (DGG). , 01.03.-05.03.2021, Kiel (online) .
, Elger, J. and Berndt, C.
(2021)
Joint integration of velocity and resistivity to improve gas hydrate estimates - A case study from SO227/266.
[Poster]
In: 81. Jahrestagung der Deutschen Geophysikalischen Gesellschaft (DGG). , 01.03.-05.03.2021, Kiel (online) .
, Berndt, C. and Rabbel, W.
(2020)
Comparison of coupling methods in joint inversion along the Namibian continental margin.
[Poster]
In: EGU General Assembly 2020. , 03.05.-08.05.2020, Vienna, Austria - Online .
DOI 10.5194/egusphere-egu2020-20720.
, Micallef, A. , Jegen, M. , Weymer, B. , Person, M., Cohen , D., Mountjoy, J. and Dugan, B.
(2019)
Observing offshore aquifers.
[Poster]
In: OceanObs'19: An Ocean of Opportunity. , 16.-20.09.2019, Honolulu, Hawaii .
, Wernette, P. A., Everett, M. E., Podthai, P., Jegen, M. and Micallef, A.
(2019)
Combining near-surface electromagnetic methods to characterize the hydrogeology of braided alluvial deposits: Canterbury Coast, New Zealand.
[Poster]
In: AGU Fall Meeting 2019. , 09.-13.12.2019, San Francisco, USA .
, Hölz, S. , Berndt, C. and Klaeschen, D.
(2018)
Hydrate Quantification SW offshore Taiwan through the integration of EM and seismic data.
[Poster]
In: Taiwanese-German Joint Symposium on Marine Gas Hydrate: TaiGer VIII . , 05.-06.04.2018, Bremen, Germany .
and Jegen, M.
(2018)
Study on Gas Hydrate Targets in the Danube Delta with the Sputnik Controlled-Source Electromagnetic System.
[Poster]
In: 24. International EM Induction Workshop. , 13.-20.08.2018, Helsingør, Denmark .
, Jegen-Kulcsar, M. D. , Duan, S. M., Haroon, A. , Hölz, S. , Schwalenberg, K. , Micallef, A. , Mountjoy, J. and Woelz, S.
(2018)
Using Marine Controlled-Source Electromagnetics to Study Potential Offshore Groundwater: Canterbury Basin, New Zealand.
[Poster]
In: The 24. EM Induction Workshop. , 13.08.-20.08.2018, Helsingør, Denmark .
, Moorkamp, M. and Avdeeva, A.
(2018)
Investigations of the Namibian Continental Margin by Integrating Magnetotelluric, Gravity and Seismic Data in a Joint Inversion Approach.
[Poster]
In: 24. Electromagnetic Induction Workshop. , 13.-20.08.2018, Helsingor, Denmark .
, Jegen-Kulcsar, M. , Duan, S., Faghih, Z., Weymer, B. , Hölz, S. and Tezkan, B.
(2018)
2D Inversion of time-domain controlled source electromagnetic and differential electrical dipole data based on an update of MARE2DEM to the time-domain.
[Poster]
In: 24. International EM Induction Workshop. , 13.-20.08.2018, Helsingør, Denmark .
, Jegen, M. , Petersen, S. , Hannington, M. D., Safipour, R. and Swidinsky, A.
(2018)
MARTEMIS - An electromagnetic coil system for the detection of buried seafloor massive sulfides.
[Poster]
In: 47. Underwater Mining Conference. , 10.-14.09.2018, Bergen, Norway .
, Geissler, W. H. , Ravenna, M. , Lebedev, S. , Celli, N. L. , Jokat, W. , Jegen, M. , Sens-Schönfelder, C. and Baba, K.
(2017)
Structure of the lithosphere-asthenosphere system in the vicinity of the Tristan da Cunha hot spot as seen by surface waves.
[Poster]
In: EGU General Assembly 2017. , 23.-28.04.2017, Vienna, Austria .
and Jegen, M.
(2017)
CSEM measurements for methane hydrate detection offshore Taiwan.
[Poster]
In: 27. Schmucker-Weidelt Kolloquium für Elektromagnetische Tiefenforschung. , 25.-29.09.2017, Breklum, Germany .
, Hölz, S. , Berndt, C. , Chi, W. C., Liu, C. S. and Lin, S.
(2017)
Joint Geophysical Data Interpretation on Gas Hydrate System Offshore Southwestern Taiwan.
[Poster]
In: International Conference on Gas Hydrate in Continental Margins. , 02.-03.10.2017, Taipei, Taiwan .
, Li, G. and Jegen, M.
(2017)
Study on Gas Hydrate Targets in the Danube Delta with the Sputnik Controlled Source Electromagnetic System.
[Poster]
In: 27. Schmucker-Weidelt Kolloquium für Elektromagnetische Tiefenforschung. , 25.-29.09.2017, Breklum, Germany .
, Jegen-Kulcsar, M. , Duan, S., Haroon, A. , Hölz, S. , Schwalenberg, K. , Micallef, A. , Mountjoy, J. and Woelz, S.
(2017)
Using Marine Controlled-Source Electromagnetics to Study Potential Offshore Groundwater: Canterbury Basin, New Zealand.
[Poster]
In: 27. Schmucker-Weidelt Kolloquium für Elektromagnetische Tiefenforschung. , 25.-29.09.2017, Breklum, Germany .
, Jegen, M. , Duan, S. M., Hölz, S. and Schwalenberg, K.
(2017)
First results of a marine CSEM experiment for exploration of potential offshore groundwater: Canterbury Margin, New Zealand.
[Poster]
In: 27. Schmucker-Weidelt Kolloquium für Elektromagnetische Tiefenforschung. , 25.-29.09.2017, Breklum, Germany .
, Avdeeva, A. and Moorkamp, M.
(2017)
The Namibian passive volcanic margin -
Investigations of the South Atlantic Opening with
Magnetotelluric and Gravity data.
[Poster]
In: 27. Schmucker-Weidelt-Kolloquium für Elektromagnetische Tiefenforschung (EMTF 2017). , 25.-29.09.2017, Breklum, Germany .
, Haroon, A. , Jegen, M. , Safipour, R. and Swidinsky, A.
(2017)
Exploration of Seafloor Massive Sulfide Deposits with the Novel EM Induction System MARTEMIS.
[Poster]
In: 27. Schmucker-Weidelt Kolloquium für Elektromagnetische Tiefenforschung. , 25.-29.09.2017, Breklum, Germany .
, Duan, S. and Jegen, M.
(2017)
Development of a 2D inversion code for marine CSEM data sets using rotational invariants.
[Poster]
In: 27. Schmucker-Weidelt Kolloquium für Elektromagnetische Tiefenforschung. , 25.-29.09.2017, Breklum, Germany .
, Jegen, M. and Swidinsky, A.
(2017)
Exploring for Mineral Deposits on the Seafloor with Transient Electromagnetic Systems.
[Poster]
In: Exploration 17. , Toronto, Canada, 22.10.-25.10.2017 .
, Gehrmann, R., Rippe, D., Dannowski, A. , Zander, T., Duan, S., Jegen, M. and Bialas, J.
(2017)
Gas hydrate occurrences in the Danube Delta, Western Black Sea: Results from 2D and 3D controlled source electromagnetics.
[Poster]
In: EGU General Assembly 2017. , 23.-28.04.2017, Vienna, Austria .
, Moorkamp, M. and Franz, G.
(2016)
Three-dimensional resistivity image of off-shore magmatism at the Walvis Ridge and Rift Basin.
[Poster]
In: EM Induction Workshop 2016. , 14.-20.08.2016, Chiang Mai, Thailand .
, Bonadio, R. , Lebedev, S. , Jokat, W. , Jegen, M. , Baba, K. and Sens-Schönfelder, C.
(2016)
Structure of the lithosphere-asthenosphere system in the vicinity of the Tristan da Cunha hot spot as seen by surface waves.
[Poster]
In: EGU General Assembly 2016. , 17.-22.04.2016, Vienna, Austria .
and Baba, K.
(2016)
Thickness of the oceanic crust and the mantle transition zone in the vicinity of the Tristan da Cunha hot spot estimated from ocean-bottom and ocean-island seismometer receiver functions.
[Poster]
In: EGU General Assembly 2016. , 17.-22.04.2016, Vienna, Austria .
, Hannington, M. D., Petersen, S. and Laurila, T. E.
(2016)
Induced polarization of seafloor massive sulfides.
[Poster]
In: 4. International Workshop on Induced Polarization (IP2016). , 06.-08.06.2016, Aarhus, Denmark .
, Straub, S. M., Jegen, M. , Corry-Saavedra, K., Murayama, M., Woodhead, J. D., Kutterolf, S. , Vautravers, M. J. and Wang, K. L.
(2016)
Volcanic Cyclicities in the Pacific Northwest: Insights from the Marine Tephra Record from IODP Expedition 350, Izu Bonin Arc.
[Poster]
In: AGU Fall Meeting 2016. , 12.-16.12.2016, San Francisco, USA .
, Chi, W. C. , Jegen, M. , Muff, S., Hölz, S. , Lebas, E. , Sommer, M., Lin, S. , Liu, C. S. , Lin, A. , Klaucke, I. , Klaeschen, D. , Chen, L. , Kunath, P. , McIntosh, K. and Feseker, T.
(2015)
Tectonic Controls on Gas Hydrate Distribution off SW of Taiwan.
[Poster]
In: AGU 2015. , 14. – 18.12.15, San Francisco, USA .
, Halbach, J., Jegen, M. and Swidinsky, A.
(2015)
Using self-potential to explore for submarine massive sulfides: Palinuro Seamount, Tyrrhenian Sea.
[Poster]
In: UMC Conference 2015. , 01.-06.11.2015, Tampa Bay, USA .
, Kutterolf, S. , Freundt, A. , Straub, S. M., Wang, K. L., Jegen, M. , Hemming, S. R., Baxter, A. R. and Sandoval, M.
(2015)
Plinian Galápagos volcanism- evidence in ODP/IODP Legs offshore Central America.
[Poster]
In: IODP/ICDP Kolloquium 2015. , 02.-04.03.2015, Bonn, Deutschland .
and Berndt, C.
(2014)
A Marine Controlled-Source Electromagnetic Study for the Characterization of Methane Hydrate and Free Gas Reservoirs at the Nyegga CNE03 Pockmark, Norwegian Sea.
[Poster]
In: AGU Fall Meeting 2014. , 15.-19.12.2014, San Francisco, USA .
(2014)
Magnetotelluric Study at Tristan da Cunha Hotspot .
[Poster]
In: EM Induction Workshop. , 24.-30.08.2014, Weimar, Germany .
, Heincke, B. and Moorkamp, M.
(2014)
Using Empirical Mode Decomposition to process Marine Magnetotelluric Data.
[Poster]
In: AGU Fall Meeting 2014. , 15.-19.12.2014, San Francisco, USA .
and Jegen, M.
(2014)
Sputnik - A two polarization transmitter system for marine controlled source
electromagnetics on small scale targets.
[Poster]
In: International Electromagnetic Introduction Workshop. , 28.08.-01.09.2014, Weimar .
, Roth, T., Berndt, C. , Jegen, M. , Krabbenhoeft, A., Papenberg, C. , Dannowski, A. and Chi, W. C.
(2014)
P-wave velocity model above the Formosa Ridge (southwest off Taiwan) from combined analysis of OBS and multi-channel seismic reflection data.
[Poster]
In: 12. International Conference on Gas In Marine Sediments (GIMS12). , 01.-04.09.2014, Taipei, Taiwan .
and Jegen, M.
(2014)
Interpretation of mCSEM data acquired with the GEOMAR Sputnik transmitter system for the characterization of gas hydrates in the vicinity of a fluid-escape chimney in the Nyegga pockmark field, offshore Norway.
[Poster]
In: International Electromagnetic Introduction Workshop. , 28.08.-01.09.2014, Weimar .
(2014)
Electrical conductivity images across the Namibian passive margin: Tectonic implications for the evolution of the Kaoko Belt, western Kongo Craton and the Walvis Ridge.
[Poster]
In: AGU Fall Meeting 2014. , 15.-19.12.2014, San Francisco, USA .
(2014)
3D-marine tCSEM inversion using model reduction in the Rational Krylov subspace.
[Poster]
In: AGU Fall Meeting 2014. , 15.-19.12.2014, San Francisco, USA .
, Jegen, M. , Berndt, C. and Chi, W.
(2014)
Imaging gas hydrate deposits off-shore Taiwan with marine electromagnetics using the GEOMAR Sputnik transmitter system.
[Poster]
In: International Electromagnetic Introduction Workshop. , 28.08.-01.09.2014, Weimar .
, Moorkamp, M., Swidinsky, A., Heincke, B., Scholl, C. and Jegen, M.
(2013)
Speeding up a marine 3D CSEM code with GPU.
[Poster]
In: 3DEM-5, 5. International Symposium on Three-Dimensional Electromagnetics "Future Challenges". , 07.-09.05.2013, Sapporo, Japan .
, Moorkamp, M., Swidinsky, A., Heincke, B., Scholl, C. and Jegen, M.
(2013)
Speeding up a marine 3D CSEM code with GPU.
[Poster]
In: MARELEC 2013. , 16.-19.07.2013, Hamburg .
and Hobbs, R.
(2012)
Joint inversion of 3-D seismic, gravimetric and magnetotelluric data for sub-basalt imaging in the Faroe-Shetland Basin.
[Poster]
In: AGU Fall Meeting 2012. , 03.12.-07.12.2012, San Francisco, California, USA .
, Swidinsky, A. and Jegen, M.
(2012)
The use of rotational invariants of the electric field tensor in the interpretation of marine CSEM data.
[Poster]
In: 72. Jahrestagung der Deutschen Geophysikalischen Gesellschaft (DGG) 2010. , 05.03.-08.03.2012, Hamburg .
, Jegen, M. and Bialas, J.
(2012)
The seismic structure across Walvis Ridge, offshore Namibia, obtained from marine wide-angle seismic data.
[Poster]
In: 72. Jahrestagung der Deutschen Geophysikalischen Gesellschaft. , 05.-08.03.2012, Hamburg .
, Jegen, M. and Bialas, J.
(2012)
The seismic structure across Walvis Ridge, offshore Namibia, obtained from marine wide-angle seismic data.
[Poster]
In: DFG priority program SPP1375 SAMPLE Colloquium 2012. , 12.-15.06.2012, Tutzing .
, Jegen, M. , Heincke, B., Jokat, W., Bialas, J. and Marti, A.
(2012)
Crustal architecture and deep structure of the Namibian continental shelf and adjacent oceanic basins around the landfall of Walvis Ridge from wide-angle seismic and marine magnetotelluric data.
[Poster]
In: AGU Fall Meeting 2012. , 03.-07.12.2012, San Francisco, USA .
(2012)
An examination of petrophysically coupled joint inversions using marine controlled-source electromagnetic and seismic reflection data.
[Poster]
In: SEG Conference Workshop. , 04.-07.11.2012, Las Vegas, USA .
(2012)
Determination of reservoir and rock physics parameters using a petrophysically coupled joint inversion of CSEM and seismic AVA data.
[Poster]
In: EAGE Conference 2012. , 04.-07.06.2012, Copenhagen, Denmark .
and Hobbs, R. W.
(2011)
Joint inversion scheme with an adaptive coupling strategy - applications on synthetic and real data sets.
[Poster]
In: EGU General Assembly 2011. , 03.04.-08.04.2011, Vienna, Austria .
Geophysical Research Abstracts, 13
(EGU2011-4529 ).
, Hobbs, R. W. and Chen, J.
(2011)
Adaptive coupling strategy for joint inversions that use petrophysical information as constraints.
[Poster]
In: 3rd Schmucker-Weidelt Kolloquium. , 26.-30.09. 2011, Neustadt a.d. Weinstrasse .
and Jegen, M.
(2011)
Five years of marine research using EM methods at the IFM-GEOMAR.
[Poster]
In: EGU General Assembly 2011. , 03.04.-08.04.2011, Vienna, Austria .
Geophysical Research Abstracts, 13
(EGU2011-13340 ).
and Jegen, M.
(2011)
The resistivity structure of the North Alex Mud Volcano from marine CSEM measurements.
[Poster]
In: 71. Jahrestagung der Deutschen Geophysikalischen Gesellschaft gemeinsam mit der Arbeitsgemeinschaft Extraterrestrische Forschung. , 21.02.- 24.02.2011, Köln . 71. Jahrestagung der Deutschen Geophysikalischen Gesellschaft
gemeinsam mit der Arbeitsgemeinschaft Extraterrestrische Forschung und dem Fachverband Extraterrestrische Physik der
Deutschen Physikalischen Gesellschaft : 21.–24. Februar 2011
in Köln. ; p. 40 .
, Bialas, J. and Jegen, M.
and MSM17/1 shipboard scientific party
(2011)
Seismic and magnetotelluric investigations offshore Namibia : first results of R/V Maria S. Merian Cruise MSM17/1
.
[Poster]
In: DFG SPP SAMPLE Colloquium 2011. , 07.06.-10.06. 2011, Potsdam .
and Jegen, M.
(2011)
Transient electromagnetic assessment of seafloor mineral deposits: a model study.
[Poster]
In: AGU Fall Meeting 2011. , 05.12.-09.12.2011, San Francisco, California, USA .
, Garcia, X. A., Matsumo, T., Elsenbeck, J. and Worzewski, T. W.
(2010)
Magnetotelluric measurements in the Alboran Sea.
[Poster]
In: AGU Fall Meeting 2010. , 13.12.-17.12.2010, San Francisco, California, USA .
, Kutterolf, S. , Mitrovica, J. X., Kwasnitschka, T., Freundt, A. and Huybers, P.
(2010)
A detection of Milankovitch Periodocity in records of global arc volcanism.
[Poster]
In: AGU Fall Meeting 2010. , 13.12.-17.12.2010, San Francisco, California, USA .
, Heincke, B. , Roberts, A. W. and Hobbs, R. W.
(2010)
3D joint inversion of MT, gravity and seismic refraction data .
[Poster]
In: 20th International Electromagnetic Induction Workshop. , 19.09.2010, Giza, Egypt .
, Hobbs, R. , Roberts, A. and Heincke, B.
and European Geosciences Union
(2010)
Towards 3D joint inversion of full tensor gravity, magnetotelluric and seismic refraction data .
[Poster]
In: EGU General Assembly 2010. , 03.04.-08.04.2010, Vienna, Austria . Geophysical Research Abstracts. .
and Hölz, S.
(2010)
Adaption and GPU based parallelization of the code TEMDDD
for the 3D modelling of CSEM data.
[Poster]
In: 20th International Electromagnetic Induction Workshop. , 19.09.2010, Giza, Egypt .
, Brown, K. , Feseker, T., Hensen, C. , Hölz, S. , Jegen, M. , Linke, P. , Nuzzo, M., Reitz, A. and Scholz, F.
(2008)
The West Nile Delta mud volcano project.
[Poster]
In: 9th International Conference on Gas in Marine Sediments (ICSG). , 15.-19.09.2008, Bremen .
and Jegen-Kulcsar, M.
(2008)
Preparative model-study for a CSEM-experiment at the North Alex Mud Volcano.
[Poster]
In: 9th ICSG-Meeting. , 15.09.-19.09, Bremen .
and Franke, A.
(2006)
Marine MT experiment on a subduction zone.
[Poster]
In: 18th International Workshop on Electromagnetic Induction in the Earth. , 17.-23.09.2006, El Vendrell, Spain .
Conference pico
, Micallef, A. , Faghih, Z., Jegen, M. , Schwalenberg, K., Karstens, J. , Berndt, C. , Garcia, X. , Kuehn, M., Rizzo, E. , Fusi, N. C., Ahaneku, C. V., Petronio, L. and Weymer, B. A.
(2021)
Controlled source electromagnetic measurements offshore the Maltese Islands: Implications for offshore freshened groundwater in a carbonate shelf.
[PICO]
In: EGU General Assembly 2021. , 19.-30.03.2021, Online .
DOI 10.5194/egusphere-egu21-5080.
Reports - Cruise Reports
, Haroon, A. , Schwalenberg, K., Müller, T. H., Schmidt, M. , Pandolpho, B., Bucci, M., Horozal, S. and Sakkelariou, D.
(2024)
Gulf of Corinth Groundwater - Is the deep offshore freshened, groundwater body within the Gulf of Corinth actively recharging? Cruise No. M196, 5.12.2023 - 27.12.2023, Piraeus (Greece) - Limassol (Cyprus). GoCW.
.
METEOR-Berichte, M196
.
Begutachterpanel Forschungsschiffe, Bonn, 92 pp.
DOI 10.48433/cr_m196.
, Urlaub, M. , Jegen, M. , Faghih, Z., Reeck, K., Franz, G., Barnscheidt, K. C., Wollatz-Vogt, M., Liebsch, J., Schramm, B., Elger, J. , Kühn, M., Müller, T. , Schmidt, M. , Spiegel, T., Timm, H., Hinz, A. K., Sager, T., Hilbert, H. S., Rohde, L., Korbjuhn, T., Reissmann, S. and Diller, N.
(2021)
RV SONNE Fahrtbericht / Cruise Report SO277 OMAX: Offshore Malta Aquifer Exploration, Emden (Germany) – Emden (Germany), 14.08. – 03.10.2020.
.
GEOMAR Report, N. Ser. 057
.
GEOMAR Helmholtz-Zentrum für Ozeanforschung Kiel, Kiel, Germany, 139 pp.
DOI 10.3289/GEOMAR_REP_NS_57_20.
, Berndt, C. , Berndt, J., Jegen, M. , Schwalenberg, K., Wollatz-Vogt, M., Haroon, A. , Garzia, X., Faghih, Z., Spatola , D., Worzewski, T. and Zerbst, J.
and MARCAN, University of Malta, BGR, erc, GEOMAR
(2019)
Cruise Report RV Hercules [MARCAN Malta 2018], Valletta-Valletta, 1.-10.10.2018, MARCAN Project .
.
University of Malta, Malta, 37 pp.
, Jegen, M. , Woelz, S., Cunarres Otero, D., Eton, N., Gerring, P., Hart, A., Luebben, N., Mueller, C., Quinn, W., Schwalenberg, K., Spatola, D. and Weymer, B.
and MARCAN, University of Malta, NIWA, BGR, erc, GEOMAR
(2017)
Voyage Report RV Tangaroa Voyage TAN1703,
5 April – 1 May 2017 .
.
NIWA, Wellington, New Zealand, 149 pp.
(2015)
Poseidon Bericht Cruise No. POS483, Palinuro Volcanic Complex, Tyrrhenian Sea - EMPAL: Electromagnetic investigation of sedimented Massive Sulphide deposits on the
Palinuro Volcanic Complex in the Tyrrhenian Sea, 28.3.2015 - 15.04.2015, Malaga - Dubrovnik.
.
GEOMAR, Kiel, 52 pp.
DOI 10.3289/CR_POS_483.
, Geissler, W., Maia, M., Baba, K. and Kirk, H.
(2015)
TRISTAN: Electromagnetic, gravimetric and seismic measurements to investigate the Tristan da Cunha hot spot and its role in the opening of the South-Atlantic - Cruise No. MSM20/2, January 17 - February 15, 2012, Walvis Bay (Namibia) – Recife (Brazil).
.
Maria S. Merian-Berichte, MSM20/2
.
DFG-Senatskommission für Ozeanographie, Bremen, 112 pp.
DOI 10.2312/cr_msm20_2.
Reports - Weekly reports
Reports - other reports
, Bialas, J. , Deusner, C. , Hensen, C. , Jegen, M. and Kossel, E.
(2018)
SUGAR III - Submarine Gashydrat Ressourcen; Teil B: Exploration einer Feldtest-Lokation und geomechanisches Verhalten beim Gashydratabbau; Teilvorhaben GEOMAR: Charakterisierung der Gashydratvorkommen im Donautiefseefächer : öffentlicher Schlussbericht für die Technische Informationsbibliothek (TIB) an der Universität Hannover : Laufzeit des Vorhabens und Berichtszeitraum: 01.01.2015-31.03.2018. SUGAR III - submarine gas hydrate resources; part B: exploration of a field test location and geomechanical behavior during gas hydrate exploitation; subproject GEOMAR: characterization of gas hydrate accumulations in the Danube deep-sea fan, Förderkannzeichen: 03G0856A.
.
GEOMAR Helmholtz-Zentrum für Ozeanforschung, Kiel, 98 pp.
DOI 10.2314/GBV:1663478228.
, Bialas, J. , Haeckel, M. , Hensen, C. , Jegen, M. and Schneider von Deimling, J.
(2015)
Charakterisierung von Gashydratlagerstätten und Überwachung des Erdgasförderprozesses : Abschlussbericht SUGAR II : (A: Methoden zur Exploration und Überwachung von Gashydrat-Lagerstätten) : Laufzeit des Vorhabens: 1.7.2011-30.6.2014, Förderkennzeichen BMBF 03G0819A.
.
GEOMAR Helmholtz-Zentrum für Ozeanforschung, Kiel, Germany, 48 pp.
DOI 10.2314/GBV:848039963.
Reports - Data reports
, Petersen, S. , Hannington, M. D., Jegen, M. and Martins, S.
(2024)
CTD measurements over the Grimsey Hydrothermal Field (Northern Iceland) during cruise POS524 onboard RV Poseidon [Dataset].
.
Pangaea.
DOI 10.1594/PANGAEA.966441.
Software
![[thumbnail of Archive copy of PointProcessTools.jl published under MIT License]](https://oceanrep.geomar.de/style/images/fileicons/archive.png)
, Vetter, M., Schindlbeck-Belo, J. , Jegen, M. and Kutterolf, S.
(2024)
PointProcessTools.jl.
DOI 10.3289/SW_4_2024.
, Vetter, M. , Schindlbeck-Belo, J. C. , Jegen, M. D. and Kutterolf, S.
(2023)
Point Process Tools.
DOI 10.3289/SW_5_2023.
Publications (Highlights)
-
Reeck, K., Jegen, M. , Freudenthal, T., Elger, J. , Hölz, S. , Deusner, C. , Wallmann, K. , Lin, S., Chi, W. C., Bohrmann, G. and Berndt, C. (2023) Quantification of mixed hydrate and free gas concentrations by the joint integration of velocity and conductivity information. Marine and Petroleum Geology, 158 . Art.Nr. 106569. DOI 10.1016/j.marpetgeo.2023.106569
-
Faghih, Z. , Haroon, A. , Jegen, M. , Gehrmann, R., Schwalenberg, K., Micallef, A. , Dettmer, J., Berndt, C. , Mountjoy, J. J. J. and Weymer, B. A. (2024) Characterizing Offshore Freshened Groundwater Salinity Patterns Using Trans-Dimensional Bayesian Inversion of Controlled Source Electromagnetic Data: A Case Study From the Canterbury Bight, New Zealand. Water Resources Research, 60 (3). DOI 10.1029/2023WR035714
-
Franz, G., Jegen, M. , Moorkamp, M., Berndt, C. and Rabbel, W. (2023) Formation and geophysical character of transitional crust at the passive continental margin around Walvis Ridge, Namibia. Solid Earth, 14 . pp. 237-259. DOI 10.5194/se-14-237-2023
-
Worzewski, T., Jegen, M. , Kopp, H. , Brasse, H. and Taylor, W. T. (2011) Magnetotelluric image of the fluid cycle in the Costa Rican subduction zone. Nature Geoscience, 4 . pp. 108-111. DOI 10.1038/ngeo1041. . Item availability may be restricted
-
Jegen-Kulcsar, M. , Hobbs, R. W., Tarits, P. and Chave, A. (2009) Joint inversion of marine magnetotelluric and gravity data incorporating seismic constraints: preliminary results of sub-basalt imaging off the Faroe Shelf. Earth and Planetary Science Letters, 282 . pp. 47-55. DOI 10.1016/j.epsl.2009.02.018
Boards / Committees
- Women’s Executive Board, GEOMAR.
- External Advisor to NERC Geophysical Equipment Facility Steering Committee, United Kingdom
- Board member of bi-annual Marelec Conference
Awards and Scholarships
- 1999 – 2001 Marie Curie Fellowship
- 1996 Van Kranendonk Awards for Excellence in teaching, University of Toronto
- 1996 Burton Fellowship, University of Toronto
- 1993 – 1995 Government of Canada Award
Selection of invited lectures and Colloquia (within the last 3 years)
- Recent Advances and Future Opportunities in Marine Electromagnetics, British Geophysical Association, “New Advances in Geophysics” Meeting, Swansea, U.K., June 2025.
- Unlocking Freshwater Resources in Marine Sediments: Integrating Marine Electromagnetic and Seismic Data for Offshore Groundwater Mapping, DRDC, Halifax, Canada, September, 2024.
- Offshore Groundwater Exploration, Lamont-Doherty Earth Observatory, N.Y., USA, October 2019.
- New Exploration Challenges and Instrument Systems in Marine EM, invited plenary talk, Marelec Conference, Falmoouth, USA, October 2019
- Extracting essential geological information from joint physical parameter models, Workshop Joint Inversion, 81stEAGE, London, June 2019
Presentations
2009
- Worzewski, T., M. Jegen-Kulcsar, H. Brasse, W. Taylor, 2009. Amphibious MT Experiment on Costa Rican subduction zone to investigate deep electrical resistivity structure, International Association of Geomagnetism and Aeronomy Scientific Assembly, Soprun, Hungary, 23th to 30th August.
- Avdeeva A., R. Gehrmann, M. Jegen, 2009. Salt dome overhang detectability study for marine magnetotelluric method, International Association of Geomagnetism and Aeronomy Scientific Assembly, Soprun, Hungary, 23th to 30th August.
- Worzewski, T., M. Jegen-Kulcsar, H. Brasse, W. Taylor, 2009. Deep electrical resistivity structure of the Costa Rican Subduction Zone, European Geosciences Union General Assembly, Vienna, Austria, 19th to 24th April.
- Hoelz , S., M. Jegen, 2009. Development of a CSEM system for the electromagnetic investigation of the North Alex Mud Volcano, European Geosciences Union General Assembly, Vienna, Austria, 19th to 24th April.
- S. Kutterolf, A. Freundt, T. Kwasnitschka, M. Jegen, H.-F. Graf, W. Perez, and H.-U. Schmincke, 2009. Cyclic volcanism at convergent margins: Controlled by global climate changes? European Geosciences Union General Assembly, Vienna, Austria, 19th to 24th April (solicited).
- Chen, J. and M. Jegen-Kulcsar, Empirical Mode Decomposition and Hilbert Spectra in MT data processing, 2009. European Geosciences Union General Assembly, Vienna, Austria, 19th to 24th April.
- Gehrmann, R., A. Avdeeva, J. Bialas, S. Hoelz, M. Jegen, M. Lefeldt, M. Sommer und T. Worzewski, 2009. Magnetotellurische und reflexionsseismische Daten im Umfeld des Schlammvulkans North Alex, West Nil Delta – erste Ergebnisse, Jahrestagung der Deutschen Geophysikalischen Gesellschaft, Kiel, Germany, March 23rd to 26th.
- Hoelz, S. and M. Jegen 2009. Erste Ergebnisse eines CSEM Experiment auf dem Schlammvulkan North Alex im suedoestlichen Mittelmeer. Jahrestagung der Deutschen Geophysikalischen Gesellschaft, Kiel, Germany, March 23rd to 26th.
2008
- Chen, J. and Jegen-Kulcsar, M., 2008: Empirical model decomposition and Hilbert Hunag Transform (HHT) in MT data processing. 19. International Workshop on EM Induction in the Earth, Beijing, China, 23.10.-29.10.2008.
- Schwalenberg, K., Jegen-Kulcsar, M. and Keen, G., 2008: Marine controlled source electromagnetics on the Hikurangi Margin, NZ: coincidence between cold gas seep sites and electrical resistivity anomalies indicating sub-seafloor gas hydrate deposits. 6th International Conference of Gas Hydrates 2008, Vancouver, British Columbia, Canada, 0610.-10.07.2008
- Schwalenberg, K., Netzeband, G., Poort, J. and Jegen-Kulcsar, M., 2008: Geophysical implications of submarine gas seeps on the Hikurangi Margin, NZ. EGU General Assembly, Vienna, Austria, 13.04.-18.04.2008.
- Brasse, H., Kapinos, G., Mütschard, L., Alvarado, G.E., Worzewski, T. and Jegen-Kulcsar, M., 2008: First deep resistivity section of Costa Rica. 19. International Workshop on EM Induction in the Earth, Beijing, China, 23.10.-29.10.2008.
- Hölz, S. and Jegen-Kulcsar, M., 2008: Preparative model-study for a CSEM-experiment at the North Alex Mud Volcano. 9th ICSG-Meeting, Bremen, 15.09.-19.09.2008.
- Moorkamp, M., Chen, J., Heincke, B., Jegen-Kulcsar, M., Hobbs, R. and Henderson, D., 2008: Joint inversion of MT, gravity and seismic data applied to sub-basalt imaging. 19. International Workshop on EM Induction in the Earth, Beijing, China, 23.10.-29.10.2008
- Worzewski, T., Jegen-Kulcsar, M., Chen, J., Hölz, S., Moorkamp,M. and Brasse, H.: Marine Magnetotellurics on Costa Rican Subduction zone, IAGA WG 1.2 on Electromagnetic Induction in the Earth (19th EM Induction Workshop), Beijin, China, October 23-29, 2008
2007
- Hobbs, R.W., Jegen-Kulcsar, M., Chen, J. and Heincke, B., 2007: Joint Inversion applied to data from the Faroe-Shetland Trough. EAGE, London, Great Britain (solicited).
- Chen, J., Jegen-Kulcsar, M. and Heincke, B., 2007: Joint Inversion and Topographic Correction of Geophysical Data. 20th Colloquium of Latin-American Earth Sciences, DFG, Kiel, 10.04.-13.04.2007.
- Bialas, J., Greinert, J., Barnes, P., Henrys, S., Jegen-Kulcsar, M., Klaucke, I., Krabbenhöft, A., Netzeband, G., Pecher, I. and Petersen, J., 2007: Cold vents and gas hydrates - first results from the cruise SO 191-1 to the Hikurangi Plateau offshore New Zealand. European Geosciences Union General Assembly, Vienna, Austria, 18.04.2007.
- Schwalenberg, K., Scholl, C., Willoughby, E., Edwards, R.N., Jegen-Kulcsar, M., Caldwell, G. and Keen, D., 2007: Marine CSEM Using a Bottom -Towed System to Explore Submarine Cold Vent Sites in Cascadia and New Zealand. IUGG 24th General Assembly 2007, Pergugia, Italy, 02.-13.07.2007.
- Worzewski, T., Jegen-Kulcsar, M. and Franke, A., 2007: Planning a Marine MT Experiment On a subduction zone. US-MARGINS/SFB574 Workshop to integrate Subduction Factory and Seismogenic Zone Studies in Central America, San Jose, Costa Rica, June 18-22, 2007.
- Worzewski, T., Jegen-Kulcsar, M. and Franke, A., 2007: Marine MT Experiment on Subduction Zones, 20th Colloquium on Latin American Earth Sciences in Kiel, Germany, 10.-13-April 2007.
2006
- Jegen-Kulcsar, M., 2006: Concept of Joint Inversion. Joint Inversion Workshop, SEG, New Orleans, USA (solicited).
Jegen-Kulcsar, M., 2006: Joint Inversion, the Way Forward. 2nd Faeroese Sub basalt Imaging Conference, Torshavn, Faeroe Islands (solicited). - Heincke, B., Jegen-Kulcsar, M., Chen, J. and Hobbs, R.W., 2006: Joint Inversion of MT, Gravity and Seismic Data applied to sub-basalt Imaging. SEG, New Orleans, USA (eingeladener Vortrag).
- Heincke, B., Jegen-Kulcsar, M. and Hobbs, R.W., 2006: Joint Inversion von seismischen Tomografie-, MT- und Gravimetriedaten zur Bestimmung von Strukturen unterhalb von Basaltschichten. DGG, Bremen.
- Jegen-Kulcsar, M., 2007: Marine Elektromagnetik. Kolloquium, Universität Hamburg, Hamburg, 29.11.2007 (Vortrag).
- Jegen-Kulcsar, M., 2008: Marine Elektromagnetik in der Wissenschaft und Industrie. Kolloquium, FU Berlin, Berlin, 22.05.2008 (Vortrag).
- Jegen-Kulcsar, M. & Hobbs, R.W 2005. Outline of a Joint Inversion of Gravity, MT and Seismic Data. Ann. Soc. Sci. Faeroensis 43: 163-167.
- Worzewski, T., Jegen-Kulcsar, M. & Franke, A.: Marine MT experiment on a subduction zone - A Feasability Study, 18th EM Induction Workshop in El Vendrell, Spain, 17-23 September, 2006.
