Staff

Prof. Dr. Klaus Wallmann

FE Marine Geosysteme
Forschungsbereich 2: Marine Biogeochemie

Office:
Room: 8D-102
Phone: +49 431 600-2287
Fax: +49 431 600-2928
E-Mail: kwallmann(at)geomar.de

Address:
Wischhofstrasse 1-3
D-24148 Kiel

Education and professional experience

Education

1982-1986 Scholar of the Evangelische Studienstiftung, Haus Villigst

1983 Metal-organic chemistry, Bristol University

1986 Dipl. Chemie (Master in Chemistry), Philipps-University Marburg

1990 Dr. Ing. (PhD Engineering), TU Hamburg-Harburg

1999 PD Dr. habil (Geology), CAU Kiel

Professional Experience

1990-1992 Postdoc at GKSS Research Center Geesthacht, trace metal fluxes from estuarine sediments

1992-1993 Postdoc at Graduate School, Bremen University, early diagenesis in marine sediments

1993-2005 Research Scientist at IFM-GEOMAR (Dept. Environmental Geology, FB2), fluid flow and gas hydrates at the seafloor, volatile cycling in subduction zones, geochemical evolution of oceans and atmosphere

2005- W3-Professor at CAU, head of the research division Marine Geosystems, GEOMAR (FB2)

2004-2005 Vice-Speaker SFB 574

2005-2006 Steering committee of SFB 574

2005-2007 Speaker of the Network and Cluster of Excellence "The Future Ocean"

2008- Coordinator of the German large-scale project: SUGAR I-III: Submarine Gashydrate-Deposits: Exploration, Mining and Transport

2008- Subproject Leader SFB 754 A7, Subproject Leader SFB 754 B1

2011-2015 Coordinator of the large-scale coordinated EU project ECO2: Sub-seabed CO2 Storage: Impact on Marine Ecosystems.

2015- Coordinator of EU program on gas hydrate reseach MIGRATE: Marine gas hydrate - an indigenous resource of natural gas for Europe.

Scientific interests

During sea-going expeditions, I am studying the input of water, methane and other volatiles into the ocean through cold seeps and mud volcanoes, the formation and dissociation of marine gas hydrates, the microbial degradation of sedimentary organic matter and the recycling of nutrients into the ocean. Moreover, I am evaluating and reconstructing the geochemical evolution of the oceans and the atmosphere using proxy records from marine carbonates and evaporite. I am using numerical models to simulate long-term changes in the earth system with a special focus on biogeochemical processes in marine sediments.

 

Publications

Number of items: 322.

Articles in a Scientific Journal - peer-reviewed

Vielstädte, L., Haeckel, M., Karstens, J., Linke, P., Schmidt, M., Steinle, L. and Wallmann, K. (2017) Shallow gas migration along hydrocarbon wells – An unconsidered, anthropogenic source of biogenic methane in the North Sea. Environmental Science & Technology, 51 (17). pp. 10262-10268. DOI 10.1021/acs.est.7b02732.

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Burwicz, E. B., Reichel, T., Wallmann, K., Rottke, W., Haeckel, M. and Hensen, C. (2017) 3-D basin-scale reconstruction of natural gas hydrate system of the Green Canyon, Gulf of Mexico. Geochemistry, Geophysics, Geosystems, 18 (5). pp. 1959-1985. DOI 10.1002/2017GC006876.

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Dale, A. W., Graco, M. and Wallmann, K. (2017) Strong and Dynamic Benthic-Pelagic Coupling and Feedbacks in a Coastal Upwelling System (Peruvian Shelf). Frontiers in Marine Science, 4 (29). DOI 10.3389/fmars.2017.00029.

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Ehlert, C., Doering, K., Wallmann, K., Scholz, F., Sommer, S., Grasse, P., Geilert, S. and Frank, M. (2016) Stable silicon isotope signatures of marine pore waters – Biogenic opal dissolution versus authigenic clay mineral formation. Geochimica et Cosmochimica Acta, 191 . pp. 102-117. DOI 10.1016/j.gca.2016.07.022.

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Dale, A. W., Boyle, R. A., Lenton, T. M., Ingall, E. D. and Wallmann, K. (2016) A model for microbial phosphorus cycling in bioturbated marine sediments: Significance for phosphorus burial in the early Paleozoic. Geochimica et Cosmochimica Acta, 189 . pp. 251-268. DOI 10.1016/j.gca.2016.05.046.

Dale, A. W., Sommer, S., Lomnitz, U., Bourbonnais, A. and Wallmann, K. (2016) Biological nitrate transport in sediments on the Peruvian margin mitigates benthic sulfide emissions and drives pelagic N loss during stagnation events. Deep Sea Research Part I: Oceanographic Research Papers, 112 . pp. 123-136. DOI 10.1016/j.dsr.2016.02.013.

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Lomnitz, U., Sommer, S., Dale, A. W., Löscher, C. R., Noffke, A., Wallmann, K. and Hensen, C. (2016) Benthic phosphorus cycling in the Peruvian oxygen minimum zone. Biogeosciences (BG), 13 (5). pp. 1367-1386. DOI 10.5194/bg-13-1367-2016.

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Pinero, E., Hensen, C., Haeckel, M., Rottke, W., Fuchs, T. and Wallmann, K. (2016) 3-D numerical modelling of methane hydrate accumulations using PetroMod. Marine and Petroleum Geology, 71 . pp. 288-295. DOI 10.1016/j.marpetgeo.2015.12.019.

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Vielstädte, L., Karstens, J., Haeckel, M., Schmidt, M., Linke, P., Reimann, S., Liebetrau, V., McGinnis, D. and Wallmann, K. (2015) Quantification of methane emissions at abandoned gas wells in the Central North Sea. Marine and Petroleum Geology, 68 . pp. 848-860. DOI 10.1016/j.marpetgeo.2015.07.030.

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Stolpovsky, K., Dale, A. W. and Wallmann, K. (2015) Towards a parameterization of global-scale organic carbon mineralization kinetics in surface marine sediments. Global Biogeochemical Cycles, 29 . pp. 812-829. DOI 10.1002/2015GB005087.

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Luo, M., Dale, A. W., Wallmann, K., Hensen, C., Gieskes, J., Yan, W. and Chen, D. (2015) Estimating the time of pockmark formation in the SW Xisha Uplift (South China Sea) using reaction-transport modeling. Marine Geology, 364 . pp. 21-31. DOI 10.1016/j.margeo.2015.03.006.

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Dale, A. W., Nickelsen, L., Scholz, F., Hensen, C., Oschlies, A. and Wallmann, K. (2015) A revised global estimate of dissolved iron fluxes from marine sediments. Global Biogeochemical Cycles, 29 (5). pp. 691-707. DOI 10.1002/2014GB005017.

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Dale, A. W., Sommer, S., Lomnitz, U., Montes, I., Treude, T., Liebetrau, V., Gier, J., Hensen, C., Dengler, M., Stolpovsky, K., Bryant, L. D. and Wallmann, K. (2015) Organic carbon production, mineralization and preservation on the Peruvian margin. Biogeosciences (BG), 12 . pp. 1537-1559. DOI 10.5194/bg-12-1537-2015.

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Aloisi, G., Soulet, G., Henry, P., Wallmann, K. J. G., Sauvestre, R., Vallet-Coulomb, C., Lecuyer, C. and Bard, E. (2015) Freshening of the Marmara Sea prior to its post-glacial reconnection to the Mediterranean Sea. Earth and Planetary Science Letters, 413 . pp. 176-185. DOI 10.1016/j.epsl.2014.12.052.

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Karaca, D., Schleicher, T., Hensen, C., Linke, P. and Wallmann, K. (2014) Quantification of methane emission from bacterial mat sites at Quepos Slide offshore Costa Rica. International Journal of Earth Sciences, 103 (7). pp. 1817-1829. DOI 10.1007/s00531-012-0839-3.

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Dale, A. W., Sommer, S., Ryabenko, E., Noffke, A., Bohlen, L., Wallmann, K., Stolpovsky, K., Greinert, J. and Pfannkuche, O. (2014) Benthic nitrogen fluxes and fractionation of nitrate in the Mauritanian oxygen minimum zone (Eastern Tropical North Atlantic). Geochimica et Cosmochimica Acta, 134 . pp. 234-256. DOI 10.1016/j.gca.2014.02.026.

Vollstaedt, H., Eisenhauer, A., Wallmann, K., Böhm, F., Fietzke, J., Liebetrau, V., Krabbenhöft, A., Farkaš, J., Tomašových, A., Raddatz, J. and Veizer, J. (2014) The Phanerozoic δ88/86Sr Record of Seawater: New Constraints on Past Changes in Oceanic Carbonate Fluxes. Geochimica et Cosmochimica Acta, 128 . pp. 249-265. DOI 10.1016/j.gca.2013.10.006.

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McAnena, A., Flögel, S., Hofmann, P., Herrle, J. O., Griesand, A., Pross, J., Talbot, H. M., Rethemeyer, J., Wallmann, K. J. G. and Wagner, T. (2013) Atlantic cooling associated with a marine biotic crisis during the mid-Cretaceous period. Nature Geoscience, 6 (7). pp. 558-561. DOI 10.1038/NGEO1850.

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Chuang, P. C., Dale, A. W., Wallmann, K., Haeckel, M., Yang, T. F., Chen, N. C., Chen, H. C., Chen, H. W., Lin, S., Sun, C. H., You, C. F., Horng, C. S., Wang, Y. and Chung, S. H. (2013) Relating sulfate and methane dynamics to geology: Accretionary prism offshore SW Taiwan. Geochemistry, Geophysics, Geosystems, 14 (7). pp. 2523-2545. DOI 10.1002/ggge.20168.

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Niemann, H., Linke, P., Knittel, K., MacPherson, E., Boetius, A., Brückmann, W., Larvid, G., Wallmann, K., Schacht, U., Omoregie, E., Hilton, D., Brown, K. and Rehder, G. (2013) Methane-carbon flow into the benthic food web at cold seeps – a case study from the Costa Rica subduction zone. PLoS ONE, 8 (10). e74894. DOI 10.1371/journal.pone.0074894.

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Pinero, E., Marquardt, M., Hensen, C., Haeckel, M. and Wallmann, K. (2013) Estimation of the global inventory of methane hydrates in marine sediments using transfer functions. Biogeosciences (BG), 10 (2). pp. 959-975. DOI 10.5194/bg-10-959-2013.

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Mosch, T., Sommer, S., Dengler, M., Noffke, A., Bohlen, L., Pfannkuche, O., Liebetrau, V. and Wallmann, K. J. G. (2012) Factors influencing the distribution of epibenthic megafauna across the Peruvian oxygen minimum zone. Deep Sea Research Part I: Oceanographic Research Papers, 68 . pp. 123-135. DOI 10.1016/j.dsr.2012.04.014.

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Noffke, A., Hensen, C., Sommer, S., Scholz, F., Bohlen, L., Mosch, T., Graco, M. and Wallmann, K. (2012) Benthic iron and phosphorus fluxes across the Peruvian oxigen minimum zone. Limnology and Oceanography, 57 (3). pp. 851-867. DOI 10.4319/lo.2012.57.3.0851.

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Wallmann, K., Pinero, E., Burwicz, E., Haeckel, M., Hensen, C., Dale, A. W. and Ruepke, L. (2012) The Global Inventory of Methane Hydrate in Marine Sediments: A Theoretical Approach. Energies, 5 (7). pp. 2449-2498. DOI 10.3390/en5072449.

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Biastoch, A., Treude, T., Rüpke, L. H., Riebesell, U., Roth, C., Burwicz, E. B., Park, W., Latif, M., Böning, C. W., Madec, G. and Wallmann, K. (2011) Rising Arctic Ocean temperatures cause gas hydrate destabilization and ocean acidification. Geophysical Research Letters, 38 (8). L08602. DOI 10.1029/2011GL047222.

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Bohlen, L., Dale, A. W., Sommer, S., Mosch, T., Hensen, C., Noffke, A., Scholz, F. and Wallmann, K. (2011) Benthic Nitrogen Cycling Traversing the Peruvian Oxygen Minimum Zone. Geochimica et Cosmochimica Acta, 75 (20). pp. 6094-6111. DOI 10.1016/j.gca.2011.08.010.

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Dale, A. W., Sommer, S., Bohlen, L., Treude, T., Bertics, V. J., Bange, H. W., Pfannkuche, O., Schorp, T., Mattsdotter, M. E. K. and Wallmann, K. (2011) Rates and regulation of nitrogen cycling in seasonally hypoxic sediments during winter (Boknis Eck, SW Baltic Sea): Sensitivity to environmental variables. Estuarine, Coastal and Shelf Science, 95 . pp. 14-28. DOI 10.1016/j.ecss.2011.05.016.

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Flögel, S., Wallmann, K. and Kuhnt, W. (2011) Cool episodes in the Cretaceous — Exploring the effects of physical forcings on Antarctic snow accumulation. Earth and Planetary Science Letters, 307 (3-4). pp. 279-288. DOI 10.1016/j.epsl.2011.04.024.

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Flögel, S., Wallmann, K., Poulsen, K., Zhou, J., Oschlies, A., Voigt, S. and Kuhnt, W. (2011) Simulating the biogeochemical effects of volcanic CO2 degassing on the oxygen-state of the deep ocean during the Cenomanian/Turonian Anoxic Event (OAE2). Earth and Planetary Science Letters, 305 (3/4). pp. 371-384. DOI 10.1016/j.epsl.2011.03.018.

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Reitz, A., Pape, T., Haeckel, M., Schmidt, M., Berner, U., Scholz, F., Liebetrau, V., Aloisi, G., Weise, S. M. and Wallmann, K. (2011) Sources of fluids and gases expelled at cold seeps offshore Georgia, eastern Black Sea. Geochimica et Cosmochimica Acta, 75 (11). pp. 3250-3268. DOI 10.1016/j.gca.2011.03.018.

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Scholz, F., Hensen, C., Noffke, A., Rohde, A., Liebetrau, V. and Wallmann, K. (2011) Early diagenesis of redox-sensitive trace metals in the Peru upwelling area – Response to ENSO-related oxygen fluctuations in the water column. Geochimica et Cosmochimica Acta, 75 (22). pp. 7257-7276. DOI 10.1016/j.gca.2011.08.007.

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Dale, A. W., Sommer, S., Haeckel, M., Wallmann, K., Linke, P., Wegener, G. and Pfannkuche, O. (2010) Pathways and regulation of carbon, sulfur and energy transfer in marine sediments overlying methane gas hydrates on the Opouawe Bank (New Zealand). Geochimica et Cosmochimica Acta, 74 . pp. 5763-5784. DOI 10.1016/j.gca.2010.06.038.

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Karaca, D., Hensen, C. and Wallmann, K. (2010) Controls on authigenic carbonate precipitation at cold seeps along the convergent margin off Costa Rica. Geochemistry Geophysics Geosystems, 11 (8). Q08S27. DOI 10.1029/2010GC003062.

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Krabbenhöft, A., Eisenhauer, A., Böhm, F., Vollstaedt, H., Fietzke, J., Liebetrau, V., Augustin, N., Peucker-Ehrenbrink, B., Müller, M., Horn, C., Hansen, B. T., Nolte, N. and Wallmann, K. (2010) Constraining the marine strontium budget with natural strontium isotope fractionations (87Sr/86Sr*, δ88/86Sr) of carbonates, hydrothermal solutions and river waters. Geochimica et Cosmochimica Acta, 74 (14). pp. 4097-4109. DOI 10.1016/j.gca.2010.04.009.

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Marquardt, M., Hensen, C., Pinero, E., Wallmann, K. and Haeckel, M. (2010) A transfer function for the prediction of gas hydrate inventories in marine sediments. Biogeosciences (BG), 7 . pp. 2925-2941. DOI 10.5194/bg-7-2925-2010.

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Schacht, U., Wallmann, K. and Kutterolf, S. (2010) The influence of volcanic ash alteration on the REE composition of marine pore waters. Journal of Geochemical Exploration, 106 (1-3). pp. 176-187. DOI 10.1016/j.gexplo.2010.02.006.

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Wallmann, K. (2010) Phosphorus imbalance in the global ocean?. Global Biogeochemical Cycles, 24 . GB4030. DOI 10.1029/2009GB003643.

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Feseker, T., Pape, T., Wallmann, K., Klapp, S. A., Schmidt-Schierhorn, F. and Bohrmann, G. (2009) The thermal structure of the Dvurechenskii mud volcano and its implications for gas hydrate stability and eruption dynamics. Marine and Petroleum Geology, 26 . pp. 1812-1823. DOI 10.1016/j.marpetgeo.2009.01.021.

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Sahling, H., Bohrmann, G., Artemov, Y. G., Bahr, A., Brüning, M., Klapp, S. A., Klaucke, I., Kozlova, E., Nikolovska, A., Pape, T., Reitz, A. and Wallmann, K. (2009) Vodyanitskii mud volcano, Sorokin trough, Black Sea: geological characterization and quantification of gas bubble streams. Marine and Petroleum Geology, 26 (9). pp. 1799-1811. DOI 10.1016/j.marpetgeo.2009.01.010.

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Wallmann, K. and Bialas, J. (2009) SUGAR (submarine gas hydrate reservoirs). Environmental Earth Sciences, 59 (2). pp. 485-487. DOI 10.1007/s12665-009-0235-x.

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Bartdorff, O., Wallmann, K., Latif, M. and Semenov, V. (2008) Phanerozoic evolution of atmospheric methane. Global Biogeochemical Cycles, 22 . GB1008. DOI 10.1029/2007GB002985.

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Lu, Z., Hensen, C., Fehn, U. and Wallmann, K. (2008) Halogen and 129-I systematics in gas hydrate fields at the northern Cascadia margin (IODP Expedition 311): insights from numerical modeling. Geochemistry Geophysics Geosystems, 9 (10). Q10006. DOI 10.1029/2008GC002156.

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Pavlova, G. Y., Tishchenko, P. Y., Volkova, T. I., Dickson, A. and Wallmann, K. (2008) Intercalibration of Bruevich's method to determine the total alkalinity in seawater. Oceanology, 48 (3). pp. 438-443. DOI 10.1134/S0001437008030168.

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Ranero, C. R., Grevemeyer, I., Sahling, H., Barckhausen, U., Hensen, C., Wallmann, K., Weinrebe, R. W., Vannucchi, P., von Huene, R. and McIntosch, K. (2008) Hydrogeological system of erosional convergent margins and its influence on tectonics and interplate seismogenesis. Geochemistry Geophysics Geosystems, 9 (3). Q03S04. DOI 10.1029/2007GC001679.

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Schacht, U., Wallmann, K., Kutterolf, S. and Schmidt, M. (2008) Volcanogenic sediment-seawater interactions and the geochemistry of pore waters. Chemical Geology, 249 . pp. 321-338. DOI 10.1016/j.chemgeo.2008.01.026.

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Wallmann, K. (2008) Mesozoic climate - Liverworts and all. Nature Geoscience, 1 (1). pp. 14-15. DOI 10.1038/ngeo.2007.67.

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Wallmann, K., Aloisi, G., Haeckel, M., Tishchenko, P., Pavlova, G., Greinert, J., Kutterolf, S. and Eisenhauer, A. (2008) Silicate weathering in anoxic marine sediments. Mineralogical Magazine, 72 (1). pp. 363-366. DOI 10.1180/minmag.2008.072.1.363.

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Wallmann, K., Aloisi, G., Haeckel, M., Tishchenko, P., Pavlova, G., Greinert, J., Kutterolf, S. and Eisenhauer, A. (2008) Silicate weathering in anoxic marine sediments. Geochimica et Cosmochimica Acta, 72 (12). pp. 2895-2918. DOI 10.1016/j.gca.2008.03.026.

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Zitter, T. A. C., Henry, P., Aloisi, G., Delaygue, G., Cagatay, M. N., de Lepinay, B. M., Al-Samir, M., Fornacciari, F., Tesmer, M., Pekdeger, A., Wallmann, K. and Lericolais, G. (2008) Cold seeps along the main Marmara Fault in the Sea of Marmara (Turkey). Deep Sea Research Part I: Oceanographic Research Papers, 55 (4). pp. 552-570. DOI 10.1016/j.dsr.2008.01.002.


Astakhov, A. S., Wallmann, K., Ivanov, M. V., Kolesov, G. M. and Sattarova, V. V. (2007) Distribution and Accumulation Rate of Hg in the Upper Quaternary Sediments of the Derugin Basin, Sea of Okhotsk. Geochemistry International, 45 (1). pp. 47-61.


Farkas, J., Böhm, F., Wallmann, K., Blenkinsop, J., Eisenhauer, A., Van Geldern, R., Munnecke, A., Voigt, S. and Veizer, J. (2007) Calcium isotope record of Phanerozoic oceans: Implications for chemical evolution of seawater and its causative mechanisms. Geochimica et Cosmochimica Acta, 71 (21). pp. 5117-5134. DOI 10.1016/j.gca.2007.09.004.

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Haeckel, M., Boudreau, B. P. and Wallmann, K. (2007) Bubble-induced porewater mixing: a 3-D model for deep porewater irrigation. Geochimica et Cosmochimica Acta, 71 (21). pp. 5135-5154. DOI 10.1016/j.gca.2007.08.011.


Lu, Z., Hensen, C., Fehn, U. and Wallmann, K. (2007) Old iodine in fluids venting along the central American convergent margin. Geophysical Research Letters, 34 . DOI 10.1029/2007GL031864.

Reitz, A., Haeckel, M., Wallmann, K., Hensen, C. and Heeschen, K. (2007) Origin of salt-enriched pore fluids in the northern Gulf of Mexico. Earth and Planetary Science Letters, 259 (3/4). pp. 266-282. DOI 10.1016/j.epsl.2007.04.037.

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Wagner, T., Wallmann, K., Herrle, J. O., Hofmann, P. and Stüsser, I. (2007) Consequences of moderate ~25,000 yr lasting emission of light CO2 into the mid-Cretaceous ocean. Earth and Planetary Science Letters, 259 (1-2). pp. 200-211. DOI 10.1016/j.epsl.2007.04.045.

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Aloisi, G., Gloter, A., Krüger, M., Wallmann, K., Guyot, F. and Zudas, P. (2006) Nucleation of calcium carbonate on bacterial nanoglobules. Geology, 34 (12). pp. 1017-1020. DOI 10.1130/G22986A.1.

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Kasting, J. F., Howard, M. T., Wallmann, K., Veizer, J., Shields, G. and Jaffrés, J. (2006) Paleoclimates, ocean depth, and the oxygen isotopic composition of seawater. Earth and Planetary Science Letters, 252 . pp. 82-93. DOI 10.1016/j.epsl.2006.09.029.

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Tishchenko, P., Wallmann, K., Vasilevskaya, N. A., Volkova, T. I., Zvalinsky, V. I., Khodorenko, N. D. and Shkirnikova, E. M. (2006) The contribution of organic matter to the alkaline reserve of natural waters. Oceanology, 46 (2). pp. 192-199. DOI 10.1134/S0001437006020068.

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Wallmann, K., Aloisi, G., Haeckel, M., Obzhirov, A., Pavlova, G. and Tishchenko, P. (2006) Kinetics of organic matter degradation, microbial methane generation and gas hydrate formation in anoxic marine sediments. Geochimica et Cosmochimica Acta, 70 . pp. 3905-3927. DOI 10.1016/j.gca.2006.06.003.

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Wallmann, K., Drews, M., Aloisi, G. and Bohrmann, G. (2006) Methane discharge into the Black Sea and the global ocean via fluid flow through submarine mud volcanoes. Earth and Planetary Science Letters, 248 . pp. 544-559. DOI 10.1016/j.epsl.2006.06.026.

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Heuser, A., Eisenhauer, A., Böhm, F., Wallmann, K., Gussone, N., Pearson, P. N., Nägler, T. F. and Dullo, W. C. (2005) Calcium isotope (δ44/40Ca ) variations of Neogene planktonic foraminifera. Paleoceanography, 20 . PA2013. DOI 10.1029/2004PA001048.

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Linke, P., Wallmann, K., Suess, E., Hensen, C. and Rehder, G. (2005) In situ benthic fluxes from an intermittently active mud volcano at the Costa Rica convergent margin. Earth and Planetary Science Letters, 235 . pp. 79-95. DOI 10.1016/j.epsl.2005.03.009.

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Luff, R., Greinert, J., Wallmann, K., Klaucke, I. and Suess, E. (2005) Simulation of long-term feedbacks from authigenic carbonate crust formation at cold vent sites. Chemical Geology, 216 (1-2). pp. 157-174. DOI 10.1016/j.chemgeo.2004.11.002.

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Sahling, H., Wallmann, K. J. G., Dählmann, A., Schmaljohann, R. and Petersen, S. (2005) The physicochemical habitat of Sclerolinum sp., at Hook Ridge hydrothermal vent, Bransfield Strait, Antarctica. Limnology and Oceanography, 50 (2). pp. 598-606. DOI 10.4319/lo.2005.50.2.0598.

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Schmidt, M., Hensen, C., Mörz, T., Müller, C., Grevemeyer, I., Wallmann, K., Mau, S. and Kaul, N. (2005) Methane hydrate accumulation in "Mound 11" mud volcano, Costa Rica forearc.. Marine Geology, 216 . pp. 83-100. DOI 10.1016/j.margeo.2005.01.001.


Tishchenko, P., Hensen, C., Wallmann, K. and Wong, C. S. (2005) Calculation of the stability and solubility of methane hydrate in seawater. Chemical Geology, 219 . pp. 37-25.

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Aloisi, G., Drews, M., Wallmann, K. and Bohrmann, G. (2004) Fluid expulsion from the Dvurechenski mud volcano (Black Sea): Part I. Fluid sources and relevance to Li, B, Sr and dissolved inorganic nitrogen cycles. Earth and Planetary Science Letters, 225 (3-4). pp. 347-363. DOI 10.1016/j.epsl.2004.07.006.

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Aloisi, G., Wallmann, K., Bollwerk, S. M., Derkachev, A., Bohrmann, G. and Suess, E. (2004) The effect of dissolved barium on biogeochemical processes at cold seeps. Geochimica et Cosmochimica Acta, 68 (8). pp. 1735-1748. DOI 10.1016/j.gca.2003.10.010.

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Aloisi, G., Wallmann, K., Drews, M. and Bohrmann, G. (2004) Evidence for the submarine weathering of silicate minerals in Black sea sediments: possible implications for the marine Li and B cycles. Geochemistry Geophysics Geosystems, 5 (4). DOI 10.1029/2003GC000639.

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Grevemeyer, I., Kopf, A. J., Fekete, N., Kaul, N., Villinger, H. W., Heesemann, M., Wallmann, K., Spieß, V., Gennerich, H. H., Müller, M. and Weinrebe, R. W. (2004) Fluid flow through active mud dome Mound Culebra offshore Nicoya Peninsula, Costa Rica: evidence from heat flow surveying. Marine Geology, 207 . pp. 145-157. DOI 10.1016/j.margeo.2004.04.002.

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Haeckel, M., Suess, E., Wallmann, K. and Rickert, D. (2004) Rising methane gas bubbles form massive hydrate layers at the seafloor. Geochimica et Cosmochimica Acta, 68 (21). pp. 4335-4354. DOI 10.1016/j.gca.2004.01.018.

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Han, X., Suess, E., Sahling, H. and Wallmann, K. (2004) Fluid Venting Activity on the Costa Rica Margin: New Results from Authigenic Carbonates. International Journal of Earth Sciences, 93 . pp. 596-611.

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Hensen, C., Wallmann, K., Schmidt, M., Ranero, C. R. and Suess, E. (2004) Fluid expulsion related to mud extrusion off Costa Rica - A window to the subduction slab. Geology, 32 (2). pp. 201-204. DOI 10.1130/G20119.1.

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Torres, M. E., Wallmann, K., Tréhu, A. M., Bohrmann, G., Borowski, W. S. and Tomaru, H. (2004) Gas hydrate growth, methane transport, and chloride enrichment at the southern summit of Hydrate Ridge, Cascadia margin off Oregon. Earth and Planetary Science Letters, 226 . pp. 225-241. DOI 10.1016/j.epsl.2004.07.029.

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Hansen, K. and Wallmann, K. (2003) Cretaceous and Cenozoic evolution of seawater composition, atmospheric O2 and CO2: a model perspective. American Journal of Science, 303 . pp. 94-148. DOI 10.2475/ajs.303.2.94.

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Kopf, A., Deyhle, A., Vasili, Y. L., Polyak, B. G., Gieskes, J. M., Buachidize, G. I., Wallmann, K. and Eisenhauer, A. (2003) Isotopic evidence (He, B, C) for deep fluid and mud mobilization from mud volcanoes in the Caucasus continental collision zone (Georgia, Russia). International Journal of Earth Sciences, 92 . pp. 407-425. DOI 10.1007/s00531-003-0326-y.

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Matveeva, T., Soloviev, V., Wallmann, K., Obzhirov, A., Biebow, N., Poort, J., Salomatin, A. and Shoji, H. (2003) Geochemistry of gas hydrate accumulation offshore NE Sakhalin Island (the Sea of Okhotsk): results from the KOMEX-2002 cruise. Geo-Marine Letters, 23 . pp. 278-288. DOI 10.1007/s00367-003-0150-1.


Treude, T., Boetius, A., Knittel, K., Wallmann, K. and Jorgensen, B. B. (2003) Anaerobic oxidation of methane above gas hydrates. Marine Ecology Progress Series, 264 . pp. 1-14.

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Rickert, D., Schlüter, M. and Wallmann, K. J. G. (2002) Dissolution kinetics of biogenic silica in the water column. Geochimica et Cosmochimica Acta, 66 (3). pp. 439-455. DOI 10.1016/S0016-7037(01)00757-8.

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Wallmann, K., Aghib, F. S., Castradori, D., Cita, M. B., Suess, E., Greinert, J. and Rickert, D. (2002) Sedimentation and formation of secondary minerals in the hypersaline Discovery Basin, eastern Mediterranean. Marine Geology, 186 . pp. 9-28. DOI 10.1016/S0025-3227(02)00170-6.

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Dählmann, A., Wallmann, K. J. G., Sahling, H., Sarthou, G., Bohrmann, G., Petersen, S., Chin, C. and Klinkhammer, G. P. (2001) Hot vents in an ice-cold ocean: Indications for phase separation at the southernmost area of hydrothermal activity, Bransfield Strait, Antarctica. Earth and Planetary Science Letters, 193 (3-4). pp. 381-394. DOI 10.1016/S0012-821X(01)00535-0.

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Wallmann, K. (2001) The geological water cycle and the evolution of marine δ 18O values. Geochimica et Cosmochimica Acta, 65 (15). pp. 2469-2485. DOI 10.1016/s0016-7037(01)00603-2.

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Böttcher, M. E., Schale, H., Schnetger, B., Wallmann, K. and Brumsack, H. J. (2000) Stable sulfur isotopes indicate net sulfate reduction in near-surface sediments of the deep Arabian Sea. Deep Sea Research Part II: Topical Studies in Oceanography, 47 (14). pp. 2769-2783. DOI 10.1016/S0967-0645(00)00048-5.

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Grandel, S., Rickert, D., Schlüter, M. and Wallmann, K. (2000) Pore-water distribution and quantification of diffusive benthic fluxes of silicic acid, nitrate and phosphate in surface sediments of the deep Arabian Sea. Deep-Sea Research Part II-Topical Studies in Oceanography, 47 (14). pp. 2707-2734. DOI 10.1016/s0967-0645(00)00046-1.

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Kurbjeweit, F., Schmiedl, G., Schiebel, R., Hemleben, C., Pfannkuche, O., Wallmann, K. and Schäfer, P. (2000) Distribution, biomass and diversity of benthic foraminifera in relation to sediment geochemistry in the Arabian Sea. Deep-Sea Research Part II-Topical Studies in Oceanography, 47 (14). pp. 2913-2955. DOI 10.1016/s0967-0645(00)00053-9.

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Bohrmann, G., Chin, C., Petersen, S., Sahling, H., Schwarz-Schampera, U., Greinert, J., Lammers, S., Rehder, G., Daehlmann, A., Wallmann, K., Dijkstra, S. and Schenke, H. W. (1999) Hydrothermal activity at Hook Ridge in the Central Bransfield Basin, Antarctica. Geo-Marine Letters, 18 (4). pp. 277-284. DOI 10.1007/s003670050080.

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Suess, E., Torres, M., Bohrmann, G., Collier, R. W., Greinert, J., Linke, P., Rehder, G., Tréhu, A., Wallmann, K., Winckler, G. and Zuleger, E. (1999) Gas hydrate destabilization: enhanced dewatering, benthic material turnover and large methane plumes at the Cascadia convergent margin. Earth and Planetary Science Letters, 170 . pp. 1-15. DOI 10.1016/S0012-821X(99)00092-8.

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Suess, E., Bohrmann, G., von Huene, R., Linke, P., Wallmann, K., Lammers, S., Sahling, H., Winckler, G., Lutz, R. A. and Orange, D. (1998) Fluid venting in the eastern Aleutian subduction zone. Journal of Geophysical Research - Solid Earth, 103 (B2). pp. 2597-2614.

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Haese, R. R., Wallmann, K., Dahmke, A., Kretzmann, U., Müller, P. J. and Schulz, H. D. (1997) Iron species determination to investigate early diagenetic reactivity in marine sediments. Geochimica et Cosmochimica Acta, 61 (1). pp. 63-72. DOI 10.1016/S0016-7037(96)00312-2.

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Wallmann, K., Linke, P., Suess, E., Bohrmann, G., Sahling, H., Dählmann, A., Lammers, S., Greinert, J. and von Mirbach, N. (1997) Quantifying fluid flow, solute mixing and biogeochemical turnover at cold vents of the eastern Aleutian subduction zone. Geochimica et Cosmochimica Acta, 61 (24). pp. 5209-5219. DOI 10.1016/s0016-7037(97)00306-2.

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Wallmann, K., Suess, E., Winckler, G., Cita, M. and Westbrook, G. K. and MEDRIFF Consortium (1997) Salty brines on the Mediterranean sea floor. Nature, 387 . pp. 31-32. DOI 10.1038/387031a0.

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Winckler, G., Suess, E., Wallmann, K., de Lange, G., Westbrook, G. K. and Bayer, R. (1997) Excess helium and argon of radiogenic origin in Mediterranean brine basins. Earth and Planetary Science Letters, 151 . pp. 225-231. DOI 10.1016/S0012-821X(97)81850-X.

Articles in a Scientific Journal - without review

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Irwin, A. and Wallmann, K. J. G. (2016) Sea floor experiment to test carbon storage plans. Horizon - the EU Research & Innovation Magazine, 2016 . pp. 1-3.

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Haeckel, M., Bialas, J., Klaucke, I., Wallmann, K., Bohrmann, G. and Schwalenberg, K. and SUGAR participants (2015) Gas hydrate occurrences in the Black Sea – new observations from the German SUGAR project. Fire in the Ice: Methane Hydrate Newsletter, 15 (2). pp. 6-9.

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Haeckel, M. and Wallmann, K. (2014) Marine Gashydrate: Erdgasgewinnung und CO2-Speicherung. Econet Monitor (2014,März ). pp. 16-18.

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Wallmann, K. and Haeckel, M. (2014) Gashydrate im Meeresboden : Erdgasgewinnung und CO2-Speicherung. Geographie aktuell & Schule, 36 (207). pp. 15-18.


Wallmann, K. and Haeckel, M. (2014) Gashydrate im Meeresboden: Erdgasgewinnung und CO2-Speicherung. Geographie aktuell & Schule, 36 (207). pp. 15-18.


Marquardt, M., Hensen, C., Henke, T., Müller, C. and Wallmann, K. (2009) Prediction of sub-seafloor gas hydrate inventories by empirical relationships. Geochimica et Cosmochimica Acta, 73 (13). A835-A835.


Wallmann, K. (2009) Silicate weathering in anoxic marine sediments. IFM-GEOMAR Annual Report, 2008 . pp. 18-19.


Haeckel, M. and Wallmann, K. (2008) Indications for convective flow induced by focussed fluid venting at bacterial mats. Geochimica et Cosmochimica Acta, 72 (12,Suppl. 1). DOI 10.1016/j.gca.2008.05.011.

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Reitz, A., Haeckel, M., Wallmann, K., Hensen, C. and Heeschen, K. (2007) Origin of brines in the northern Gulf of Mexico. Geochimica et Cosmochimica Acta, 71 (15). A831.

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Aloisi, G., Wallmann, K., Tishchenko, P., Haeckel, M., Pavlova, G., Greinert, J. and Eisenhauer, A. (2006) A possible long-term CO2 sink through submarine weathering of detrital silicates. Geochimica et Cosmochimica Acta, 70 (18,Suppl. 1). A11. DOI 10.1016/j.gca.2006.06.035.


Torres, M. E., Wallmann, K., Tréhu, A. M., Bohrmann, G., Borrowski, W. S. and Tomaru, H. (2005) Reply to comment on "Gas hydrate growth, methane transport, and chloride enrichment at the southern sumnit of Hydrate Ridge, Cascadias margin off Oregon". Earth and Planetary Science Letters, 239 . pp. 168-175.

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Bohrmann, G., Beck, D., Dählmann, A., Domeyer, B., Eilrich, B., Fürhaupter, K., Greinert, J., Heeschen, K., Jung, C., Krämer, B., Lammers, S., Morsdorf, F., Levold, C., Rehder, G., Sahling, H., Valbonesi, B., Wallmann, K., Ackermand, D., Finkenberger, B., Möller, H., Fretzdorff, S. and Schümann, T. (1999) Hydrothermalismus am Hook Ridge: Erste Untersuchungen an submarinen Hot Vents der Bransfieldstraße, Antarktis. Mitteilungen zur Kieler Polarforschung, 15 . pp. 19-22.


Bohrmann, G., Suess, E., Linke, P., Sahling, H., Greinert, J., Dählmann, A., von Mirbach, N., Wallmann, K., Zuleger, E., Lammers, S., Biebow, N. and Weinrebe, R. W. (1997) Aktive Fluidaustritte im Aleutengraben, Geologie und Biologie der Cold Vents im Golf von Alaska. Geowissenschaften, 15 (6). pp. 200-204.

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Schlüter, M., Sauter, E., Wallmann, K. and Pfannkuche, O. (1997) Prozessorientierte Modellierung frühdiagenetischer Reaktionen in Tiefsee- und Flachwassersedimenten. Geowissenschaften, 15 (9). pp. 292-295.

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Suess, E., Bohrmann, G., Greinert, J., Linke, P., Lammers, S., Zuleger, E., Wallmann, K., Sahling, H., Daehlmann, A., Rickert, D. and von Mirbach, N. (1997) Methanhydratfund von FS SONNE vor der Westküste Nordamerikas. Geowissenschaften, 6 . pp. 194-199.

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Suess, E., Linke, P., Bohrmann, G., Wallmann, K., von Huene, R. and Lammers, S. (1997) Fluidaustritte an kollidierenden Plattengrenzen. Geowissenschaften, 15 (9). pp. 282-286.

Books

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Bosch, T., Colijn, F., Ebinghaus, R., Körtzinger, A., Latif, M., Matthiessen, B., Melzner, F., Oschlies, A., Petersen, S., Proelß, A., Quaas, M., Requate, T., Reusch, T. B. H., Rosenstiel, P., Schrottke, K., Sichelschmidt, H., Siebert, U., Soltwedel, R., Sommer, U., Stattegger, K., Sterr, H., Sturm, R., Treude, T., Vafeidis, A., van Bernem, C., van Beusekom, J., Visbeck, M., Wahl, M., Wallmann, K. J. G., Weinberger, F., Bollmann, M., Froese, R., Khalilian, S., Reichenbach, J., Schmidt, J. and Voss, R. and Maribus, Future Ocean - Cluster of Excellence (2010) World Ocean Review 2010 : Mit den Meeren leben. , ed. by Gelpke, N. and Visbeck, M.. Mare, Hamburg, 234 pp. ISBN 978-3-86648-000-1

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Bosch, T., Colijn, F., Ebinghaus, R., Körtzinger, A., Latif, M., Matthiessen, B., Melzner, F., Oschlies, A., Petersen, S., Proelß, A., Quaas, M., Requate, T., Reusch, T. B. H., Rosenstiel, P., Schrottke, K., Sichelschmidt, H., Siebert, U., Soltwedel, R., Sommer, U., Stattegger, K., Sterr, H., Sturm, R., Treude, T., Vafeidis, A., van Bernem, C., van Beusekom, J., Visbeck, M., Wahl, M., Wallmann, K. J. G., Weinberger, F., Bollmann, M., Froese, R., Khalilian, S., Reichenbach, J., Schmidt, J. and Voss, R. and Maribus, Future Ocean - Cluster of Excellence, IOI, International Ociean Insitute (2010) World Ocean Review 2010 : Living with the oceans. , ed. by Gelpke, N. and Visbeck, M.. Mare, Hamburg, 234 pp. ISBN 978-3-86648-000-1

Book chapters

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Wallmann, K. J. G., Dallimore, S., Biastoch, A., Westbrook, G., Shakova, N., Severinghaus, J., Dickens, G. and Mienert, J. (2014) Assessment of the Sensitivity and Response of Methane Gas Hydrate to Global Climate Change. In: Frozen Heat: a global outlook on methane gas hydrate. ; 1 , ed. by Beaudoin, Y. C., Waite, W., Boswell, R. and Dallimore, S. R.. UNEP, Nairobi, Kenya, pp. 51-75. ISBN 978-92-807-3429-4

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Burwicz, E., Rüpke, L. and Wallmann, K. (2011) A new global gas hydrate budget based on numerical reaction-transport modeling and a novel parameterization of Holocene and Quaternary sedimentation. In: Proceedings of the 7th International Conference on Gas Hydrates (ICGH 2011), Edinburgh, Scotland, United Kingdom, July 17-21, 2011. . HWU, Edinburgh, p. 9.

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Pinero, E., Rottke, W., Fuchs, T., Hensen, C., Haeckel, M. and Wallmann, K. (2011) 3-D numerical modeling of methane hydrate deposits. In: Proceedings of the 7th International Conference on Gas Hydrates (ICGH2011). . HWU, Edinburgh, 279/1-6.

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Rüpke, L., Biastoch, A., Treude, T., Riebesell, U., Roth, C., Burwicz, E., Park, W., Latif, M., Böning, C. W., Wallmann, K. and Madec, G. (2011) Rising Arctic Ocean temperatures cause gas hydrate destabilization and ocean acidification. In: Proceedings of the 7th International Conference on Gas Hydrates (ICGH2011), Edinburgh, Scotland, United Kingdom, July 17-21, 2011. . HWU, Edinburgh, p. 6.

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Wallmann, K. (2011) Advantageous exchange of gas : methane hydrate of gas. In: Rearching: energy. . Fraunhofer-Gesellschaft, München, p. 7.

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Wallmann, K., Burwicz, E., Ruepke, L. H., Marquardt, M., Pinero, E., Haeckel, M. and Hensen, C. (2011) Constraining the global inventory of methane hydrate in marine sediments. In: Proceedings of the 7th International Conference on Gas Hydrates (ICGH2011). . HWU, Edinburgh, UK, 129/1-13.


Wallmann, K., Haeckel, M., Bohrmann, G. and Suess, E. (2011) Zukünftige kommerzielle Nutzung von Methanhydratvorkommen im Meeresboden. In: Warnsignal Klima: Die Meere - Änderungen & Risiken. , ed. by Lozan, J. L., Gral, H., Karbe, L. and Reise, K.. Wissenschaftliche Auswertungen, Hamburg, pp. 285-288.

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Wallmann, K. (2010) Gasaustausch mit Vorteil : Methanhydrat als Rohstoff. In: Wir erforschen: Energie. . Fraunhofer-Gesellschaft, München, p. 7.


Wallmann, K. (2010) Methanhydrat. In: World Ocean Review 2010. . Maribus , Bremen, pp. 152-155. ISBN 978-3-86648-000-1

Conference papers

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Burwicz, E., Reichel, T., Pinero, E., Hensen, C., Wallmann, K. and Haeckel, M. (2014) Gas hydrate dynamics at the Green Canyon Site, Gulf of Mexico - recovery prospects based on new 3-D modeling study. [Paper] In: 8. International Conference on Gas Hydrates (ICGH8). , 28.07.-01.08.2014, Beijing, China . Proceedings of the 8th International Conference on Gas Hydrates (ICGH8-2014), Beijing, China, 28 July - 1 August, 2014. ; T3-63 .

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Pinero, E., Hensen, C., Haeckel, M., Wallmann, K., Rottke, W., Fuchs, T. and Schenk, O. (2014) Gas hydrate accumulations at the Alaska North Sloge: total assessment based on 3D petroleum system modeling. [Paper] In: 8. International Conference on Gas Hydrates (ICGH8). , 28.07.-01.08.2014, Beijing, China . Proceedings of the 8th International Conference on Gas Hydrates (ICGH8-2014), Beijing, China, 28 July - 1 August, 2014. ; T2-37 .

Presentations

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Burwicz, E. B., Reichel, T., Hensen, C., Wallmann, K., Rottke, W. and Haeckel, M. (2017) Frontiers of 3D basin-scale modeling of natural gas hydrate systems. [Talk] In: International Gas Hydrate Conference (ICGH9). , 25.06.-30.06.2017, Denver, USA .


Burwicz, E. B., Hensen, C., Wallmann, K., Haeckel, M. and Reichel, T. (2016) Basin-scale gas hydrate-free gas re-cycling process derived from 3D numerical modeling at the Green Canyon province, Gulf of Mexico. [Talk] In: Gordon Research Seminar on Natural Gas Hydrate Systems. , 27.-28.02.2016, Galveston, TX, US .


Schmidt, M., Haeckel, M., Sommer, S., Linke, P., Greinert, J. and Wallmann, K. (2016) Marine CO2 and Methane Seeps. [Talk] In: CoMet Science Workshop, DLR Institut für Physik der Atmosphäre. , 30.11.-02.12.2016, Oberpfaffenhofen, Germany .


Vielstädte, L., Haeckel, M., Karstens, J., Linke, P., Schmidt, M., Steinle, L. and Wallmann, K. (2016) Leaky hydrocarbon wells are an unconsidered source for biogenic methane in the North Sea. [Talk] In: AGU Fall Meeting 2016. , 12.-16.12.2016, San Francisco, USA .


Dale, A., Sommer, S., Altabet, M., Bourbonnais, A., Lomnitz, U. and Wallmann, K. (2015) Biological nitrate transport and reduction in sediments in the Peruvian oxygen minimum zone. [Talk] In: ASLO Aquatic Sciences Meeting 2015. , 22.-27.02.2015, Granada, Spain .


Burwicz, E., Rüpke, L. and Wallmann, K. (2014) NEW INSIGHTS ON GAS HYDRATE AND FREE GAS CO-EXISTENCE BASED ON MULTIPHASE NUMERICAL MODELING – AN EXAMPLE FROM THE BLAKE RIDGE SITE, OFFSHORE SOUTH CAROLINA . [Talk] In: 8. International Conference on Gas Hydrates (ICGH8). , 28.07.-01.08.2014, Beijing, China .


Burwicz, E., Rüpke, L. and Wallmann, K. (2014) Numerical modeling of the co-existence of dissolved and gaseous methane in the Blake Ridge site - implications for gas hydrate accumulation dynamics. [Talk] In: 12. International Conference on Gas In Marine Sediments (GIMS12). , 01.-04.09.2014, Taipei, Taiwan .


Flögel, S., Keller, D., Sijp, W., Oschlies, A., Kuhnt, W. and Wallmann, K. (2014) Biogeochemical cycling during Cretaceous Oceanic Anoxic Events. [Talk] In: Ocean Sciences Meeting 2014. , 23.-28.02.2014, Honululu, Hawaii, USA .


Vielstädte, L., Karstens, J., Haeckel, M., Schmidt, M., Linke, P., Reimann, S., Liebetrau, V. and Wallmann, K. (2014) Anthropogenic Methane Emissions from Abandoned Oil and Gas Wells in the North Sea- How much Methane is Leaking into the Ocean and finally into the Atmosphere?. [Talk] In: GIMS12, International Conference on Gas in Marine Sediments. , 01.-04.09.2014, Taipei, Taiwan .

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Burwicz, E., Rüpke, L. and Wallmann, K. (2013) Gas hydrate dynamics in heterogeneous media - challenges for numerical modeling. [Talk] In: EGU General Assembly 2013. , 07.-12.04.2013, Vienna, Austria .


Haeckel, M., Wallmann, K., Schmidt, M., Liebetrau, V., Sommer, S., Schroller, D., Schönfeld, J., Karstens, J. and Berndt, C. (2013) Fluid expulsion at a 3-km long fracture system in the Northern North Sea – geochemical constraints on the origin of gas and water . [Talk] In: AGU Fall Meeting 2013. , 09.-13.12.2013, San Francisco, USA .


Pinero, E., Haeckel, M., Rottke, W., Fuchs, T., Hensen, C. and Wallmann, K. (2013) 3-D Numerical Modelling of Gas Hydrate Accumulations at the Alaska North Slope. [Invited talk] In: EAGE Workshop 02: Gas Hydrates – From Geohazard to Resource. , 09.06.2013, London, UK .


Pinero, E., Hensen, C., Haeckel, M., Fuchs, T., Rottke, W. and Wallmann, K. (2013) Modelling of gas hydrate accumulations at the Alaska North Slope using PetroMod. [Talk] In: 3P Arctic - The Polar Petroleum Potential Conference. , 15.-18.10.2013, Stavanger, Norway .


Pinero, E., Hensen, C., Haeckel, M., Wallmann, K., Rottke, W. and Fuchs, T. (2013) New 3D modelling of methane hydrate accumulations in PetroMod: application at the Alaska North Slope. [Talk] In: EGU General Assembly 2013. , 07.-12.04.2013, Vienna, Austria .


Reitz, A., Wallmann, K. J. G., Vielstädte, L. and Haeckel, M. and The ECO2 consortium (2013) Subseabed CO2 Storage: Impact on Marine Ecosystems. [Talk] In: Status Seminar Geotechnologies "Geological Storage of CO2". , 27.-28.08.2013, Potsdam, Germany .


Vielstädte, L., Haeckel, M., Linke, P., McGinnis, D., Schmidt, M., Sommer, S. and Wallmann, K. J. G. (2013) Footprint of CO2 leaking from the seabed: insights from a gas release experiment. [Talk] In: International Workshop on Leakage effects from natural analogues. , 13.05.2013, Bergen, Norway .


Vielstädte, L., Linke, P., McGinnis, D., Sommer, S., Wallmann, K. J. G., McGinnis, D. and Haeckel, M. (2013) The footprint of CO2 leakage in the water column: Insights from numerical modeling based on a North Sea gas release experiment. [Talk] In: AGU Fall Meeting 2013. , 09.-13.12.2013, San Francisco, USA .


Vielstädte, L., Linke, P., Schmidt, M., Sommer, S., Wallmann, K., McGinnis, D. and Haeckel, M. (2013) The footprint of CO2 leakage in the water-column: Insights from numerical modeling based on a North Sea gas release experiment. [Talk] In: AGU Fall Meeting 2013. , 09.-13.12.2013, San Francisco, USA .


Vollstaedt, H., Eisenhauer, A., Wallmann, K., Böhm, F., Fietzke, J., Liebetrau, V., Krabbenhöft, A., Farkaš, J., Tomašovŷch, A., Raddatz, J. and Veixer, J. (2013) The Phanerozoic δ88/86Sr Record of Seawater: New Constraints on Past Changes in Oceanic Carbonate Fluxes. [Talk] In: Goldschmidt Conference 2013. , 25.-30.08.2013, Florence, Italy .


Wagner, T., McAnena, A., Herrle, O., Pross, J., Talbot, H. M., Hofmann, P., Wallmann, K. and Flögel, S. (2013) African drift, million-year cooling and marine biotic crises in the Cretaceous greenhouse. [Talk] In: 26. International Meeting on Organic Geochemistry (IMOG 2013). , 15.-20.09.2013, Tenerife, Spain .


Wallmann, K. J. G. (2013) Sub-seabed CO2 Storage: Impact on Marine Ecosystems (ECO2). [Invited talk] In: AGU Fall Meeting 2013. , 09.-13.12.2013, San Francisco, USA .


Burwicz, E. B., Ruepke, L. and Wallmann, K. (2012) A new numerical reaction-transport model of marine gas hydrate deposits. [Invited talk] In: 11. International Conference of Gas in Marine Sediments (GIMS11). , 04-07.09.2012, Nice, France .


Dale, A. W., Bohlen, L., Noffke, A., Sommer, S., Hensen, C. and Wallmann, K. (2012) A bottom-up perspective on N nd P cycling in low oxygen environments: the Baltic Sea versus the Peruvian shelf . [Talk] In: Goldschmidt Conference 2012. , 24.-29.06.2012, Montreal, Canada .


Kossel, E., Haeckel, M., Bialas, J. and Wallmann, K. (2012) The German Gas Hydrate Initiative SUGAR: From Exploration to Exploitation of marine gas hydrates. [Invited talk] In: Fiery Ice from the Seas: 8. International Workshop on Methane Hydrate Research & Development. , 28.05.-01.06.2012, Sapporo, Japan .


Rüpke, L. H., Biastoch, A., Treude, T., Riebesell, U., Roth, C., Burwicz, E. B., Park, W., Latif, M., Böning, C. W., Wallmann, K. and Madec, G. (2012) Rising Arctic Ocean temperatures cause gas hydrate destabilization and ocean acidification. [Talk] In: Arctic Frontiers 2012 – ‘Energies of the High North’. , 22. - 27.01.2012, Tromsø, Norway .

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Scholz, F., Hensen, C., Severmann, S., Noffke, A., Haley, B., McManus, J., Schneider, R. and Wallmann, K. (2012) Spatial and temporal trends of iron and iron isotope cycling in the Peruvian oxygen minimum zone. [Talk] In: 22. V. M. Goldtschmidt Conference 2012, Earth in Evolution. , 24.06.-29.06.2012, Montréal, Québec, Canada .


Sommer, S., Bohlen, L., Dale, A. W., Wallmann, K., Noffke, A., Hensen, C., Mosch, T. and Pfannkuche, O. (2012) Nitrogen cycling across the Peruvian oxygen minimum zone surface sediments. [Talk] In: EGU General Assembly 2012. , 22.-27.04.2012, Vienna, Austria .


Vollstaedt, H., Eisenhauer, A., Böhm, F., Fietzke, J., Wallmann, K., Liebetrau, V., Farkas, J., Tomasovych, A. and Veizer, J. (2012) Marine carbonate burial rates at the Phanerozoic mass extinctions. [Talk] In: Goldschmidt Conference 2012. , 24.-29.06.2012, Montreal, Canada .

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Wallmann, K. (2012) Marine Gashydrate: Erdgasgewinnung und CO2-Speicherung im Meeresboden = Methane hydrates: CO2-storage and natural gas production. [Talk] In: Zukunfstprojekt Erde. , 18.10.-19.10.2012, Berlin . Zukunftsprojekt ERDE : Beiträge der Erdsystem- und Umweltforschung zum Wissenschaftsjahr 2012 ; Zusammenfassungen der Tagungsbeiträge. ; p. 12 . DOI 10.1007/978-94-007-1896-8.


Wallmann, K. (2012) ECO2 - Sub-seabed CO2 Storage: Impact on Marine Ecosystems. [Talk] In: Meeting at the Handelskammer Hamburg. , 21.02.2012, Hamburg, Germany .


Wallmann, K. (2012) ECO2 - Sub-seabed CO2 Storage: Impact on Marine Ecosystems. [Talk] In: GESEP School. , 6.-7.03.2012, Kiel, Germany .


Wallmann, K. (2012) ECO2 - Sub-seabed CO2 Storage: Impact on Marine Ecosystems. [Talk] In: CO2GeoNet Open Forum. , 17.-19.04.2012, San Servolo (Venice), Italy .


Wallmann, K. (2012) ECO2 - Sub-seabed CO2 Storage: Impact on Marine Ecosystems. [Talk] In: Meeting at the Hanse Forum. , 1.6.2012, Warnemünde, Germany .


Wallmann, K. (2012) ECO2 - Sub-seabed CO2 Storage: Impact on Marine Ecosystems. [Talk] In: IEAGHG Environmental Impact of CO2 Storage Workshop. , 17.-19.07.2012, Montana, USA .


Wallmann, K. (2012) ECO2 - Sub-seabed CO2 Storage: Impact on Marine Ecosystems. [Talk] In: GeoUnion. , 18.10.2012, Berlin, Germany .


Wallmann, K. (2012) ECO2 - Sub-seabed CO2 Storage: Impact on Marine Ecosystems. [Talk] In: BMBWi. , 07.11.2012, Berlin, Germany .


Wallmann, K. (2012) CO2-Speicherung im Meeresboden - Chancen und Risiken. [Public Lecture] In: WissenSchaffen, GEOMAR. , 25.09.2012, Kiel, Germany .


Wallmann, K. (2012) CO2-Speicherung im Meeresboden - Chancen und Risiken. [Talk] In: Meeting with Ingrid Nestle, Bündnis 90/Die Grünen, Member of the Bundestag. , 17.01.2012, Kiel, Germany .


Wallmann, K. (2012) Marine Gashydrate: Erdgasgewinnung und CO2-Speicherung im Meeresboden. [Talk] In: ACATECH. , 20.04.2012, Mainz, Germany .


Bohlen, L., Sommer, S., Dale, A. W., Hensen, C. and Wallmann, K. (2011) Sediments underlying the Peruvian oxygen minimum zone – source or sink for reactive nitrogen species?. [Talk] In: 2011 ASLO Aquatic Sciences Meeting. , 13.02.-18.02.2011, San Juan, Puerto Rico .


Burwicz, E., Rüpke, L. and Wallmann, K. (2011) Numerical modeling techniques for natural gas hydrate systems. [Talk] In: ECORD Summer School on “Subseafloor Fluid Flow and Gas Hydrates”. , 12.-23.09.2011, Bremen .

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Chuang, P. C., Yang, T. F., Dale, A. W., Wallmann, K., Lin, S., Wang, Y. and Chung, S. H. (2011) Estimation of advective methane flux in gas hydrate potential area offshore SW Taiwan and its tectonic implications. [Talk] In: EGU General Assembly 2011. , 03.04.-08.04.2011, Vienna, Austria . Geophysical Research Abstracts, 13 (EGU2011-9420-2).


Hensen, C., Scholz, F., Reitz, A., Liebetrau, V., Haeckel, M., Schmidt, M., Wallmann, K. J. G. and Romer, R. L. (2011) Geochemistry of cold seeps - Fluid sources and systematic. [Talk] In: Goldschmidt Conference 2011. , 14.-19.08.2011, Prague, Czech Republic .

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Liebetrau, V., Haeckel, M., Schmidt, M., Wallmann, K. and Romer, R. L. (2011) Geochemistry of cold seeps - Fluid sources and systematics. [Talk] In: Goldschmidt Conference 2011. , 14.-19.08.2011, Prague, Czech Republic .


Noffke, A., Hensen, C., Sommer, S., Croot, P., Scholz, F. and Wallmann, K. (2011) The benthic phosphorus and iron source across the Peruvian oxygen minimum zone. [Talk] In: 2011 ASLO Aquatic Sciences Meeting. , 13.02-18.02.2011, San Juan, Puerto Rico .

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Scholz, F., Hensen, C., Noffke, A., Rhode, A. and Wallmann, K. (2011) Early diagenesis of trace metals (V, Mo, U) in sediments of the Peruvian upwelling area: response to oxygen dynamics in the water column. [Talk] In: EGU General Assembly 2011. , 03.-08.04.2011, Vienna, Austria . Geophysical Research Abstracts, 13 (EGU2011-10680).


Wallmann, K. (2011) Storage of CO2 in Marine Sediments. [Talk] In: KDM. , 02.05.2011, Bremen, Germany .


Wallmann, K. J. G. (2011) Storage of CO2 in Marine Sediments. [Invited talk] In: EU Parliament. , 02.02.2011, Brüssel, Belgium .


Wallmann, K. J. G. (2011) CO2-Speicherung im Meeresboden. [Invited talk] In: Schutzgemeinschaft Deutsche Nordsee. , 17.03.2011, Husum, Germany .


Wallmann, K. J. G. (2011) CO2-Speicherung im Meeresboden. [Invited talk] In: Nationale Maritime Konferenz. , 27.05.2011, Wilhelmshaven, Germany .


Wallmann, K. J. G. (2011) CO2-Speicherung im Meeresboden. [Invited talk] In: Greenpeace. , 22.08.2011, Hamburg, Germany .


Wallmann, K. J. G. (2011) CO2-Speicherung im Meeresboden. [Invited talk] In: BMWi Workshop. , 27.09.2011, Bremen, Germany .


Wallmann, K. J. G. (2011) CO2-Speicherung im Meeresboden. [Invited talk] In: Meeting with Mr. Krupp (BUND). , 05.10.2011, Kiel, Germany .


Wallmann, K. J. G. (2011) Marine Gashydrates: Production of Natural Gas and Storage of CO2. [Invited talk] In: International Workshop on Gas Hydrates, ISS. , 08.11.2011, Potsdam, Germany .


Wallmann, K. J. G. (2011) Marine Gashydrates: Production of Natural Gas and Storage of CO2. [Invited talk] In: RWE Dea Forschungstag. , 10.11.2011, Hamburg, Germany .


Wallmann, K. J. G. (2011) Marine Gashydrates: Production of Natural Gas and Storage of CO2. [Invited talk] In: RWE Dea Forschungstag. , 10.11.2011, Hamburg, Germany .


Wallmann, K. J. G. (2011) Marine Gashydrates: Production of Natural Gas and Storage of CO2. [Invited talk] In: BMWi Statusseminar. , 01.12.2011, Warnemünde, Germany .


Wallmann, K. J. G. (2011) Marine Gashydrates: Production of Natural Gas and Storage of CO2. [Invited talk] In: Petrobras. , 28.03.2011, Kiel, Germany .


Wallmann, K. J. G. (2011) Marine Gashydrates: Production of Natural Gas and Storage of CO2. [Talk] In: Statoil. , 28.04.2011, Kiel, Germany .


Wallmann, K. J. G. (2011) Storage of CO2 in Marine Sediments. [Talk] In: ECO2 Kick-off Meeting. , 17.05.2011, Kiel, Germany .


Wallmann, K. J. G. (2011) Marine Gashydrates: Production of Natural Gas and Storage of CO2. [Talk] In: Chinese Delegation. , 30.06.2011, Kiel, Germany .


Wallmann, K. J. G. (2011) Marine Gashydrates: Production of Natural Gas and Storage of CO2. [Talk] In: Taiwanese Delegation. , 11.07.2011, Kiel, Germany .


Biastoch, A., Treude, T., Roth, C., Rüpke, L., Burwicz, E., Park, W., Latif, M., Böning, C. W., Madec, G. and Wallmann, K. (2010) Evolution of Arctic Ocean temperatures and fate of marine gas hydrates under global warming. [Talk] In: EGU General Assembly 2010. , 02.-07.05.2010, Vienna, Austria .


Haeckel, M., Gubsch, S. and Wallmann, K. (2010) Pore fluid circulation induced by focussed fluid venting at bacterial mats. [Talk] In: 10th International Conference on Gas in Marine Sediments (GIMS10). , 6.-12.9.2010, Listvyanka, Russia .


Hensen, C., Wallmann, K., Schmidt, M., Liebetrau, V. and Scholz, F. (2010) Sources of cold seep fluids at the Central American convergent margin. [Talk] In: SFB 574 Subduction Workshop. , 04.-07.11.2010, Pucon, Chile .


Pinero, E., Hensen, C., Marquardt, M., Haeckel, M. and Wallmann, K. (2010) Role of in situ organic matter degradation and fluid flow in the global gas hydrate distribution: application of general functions. [Talk] In: AGU Fall Meeting 2010. , 13.-17.12.2010, San Francisco, USA .


Schicks, J. M., Steinhauer, B., Spangenberg, E., Giese, R., Erzinger, J., Haeckel, M., Bigalke, N., Savy, J. P., Kossel, E., Deusner, C. and Wallmann, K. (2010) Natural gas hydrates: development and test of innovative methods for gas production from hydrate bearing sediments. [Talk] In: 1st Canadian Unconventional Resources and International Petroleum Conference (CURIPC 2010). , 19.-21.10.2010, Calgary, Canada .


Schicks, J. M., Steinhauer, B., Spangenberg, E., Giese, R., Erzinger, J., Haeckel, M., Bigalke, N., Savy, J. P., Kossel, E., Deusner, C. and Wallmann, K. (2010) Natural Gas Hydrates: Development and Test of Innovative Methods for Gas Production From Hydrate-Bearing Sediments. [Talk] In: Canadian Unconventional Resources and International Petroleum Conference. , 19.-21.10.2010, Calgary, Alberta, Canada ; 137667-MS .


Schicks, J. M., Steinhauer, B., Spangenberg, E., Giese, R., Luzi, M., Erzinger, J., Wallmann, K., Haeckel, M. and Klaucke, I. and SUGAR (2010) Methane recovery from and carbon dioxide sequestration in natural gas hydrates: Development and test of innovative methods. [Talk] In: Fiery Ice from the Seas: 7th International Workshop on Methane Hydrate Research & Development. , 10.-12.05.2010, Wellington, New Zealand .


Wallmann, K., Burwicz, E., Rüpke, L., Marquardt, M., Pinero, E., Haeckel, M. and Hensen, C. (2010) Constraining the global inventory of methane hydrate in marine sediments. [Talk] In: AGU Fall Meeting 2010. , 13.-17.12.2010, San Francisco, USA .

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Wallmann, K., Flögel, S., Poulsen, C. and Voigt, S. (2010) Simulating the onset and spread of anoxic conditions during Cretaceous OAE2. [Talk] In: EGU General Assembly. , 02.05.-07.05.2010, Vienna, Austria . Geophysical Research Abstracts. ; EGU2010-3236 .

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Liu, L., Wallmann, K., Feseker, T. and Treude, T. (2009) Dissociationof gas hydrates in marine sediments triggered by temperature increase: a theoretical model. [Talk] In: EGU General Assembly. , 21.04, Vienna, Austria .

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Marquardt, M., Henke, T., Hensen, C., Mueller, C., Gehrmann, R. and Wallmann, K. (2009) 2D-gas hydrate inventories offshore Costa Rica. [Talk] In: EGU General Assembly. , 19.04.-24.04, Vienna, Austria .

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Marquardt, M., Hensen, C., Henke, T., Müller, C. and Wallmann, K. (2009) Prediction of sub-seafloor gas hydrate inventories by empirical relationships. [Talk] In: 19. V. M. Goldschmidt Conference. , 21.06.-26.06, Davos, Switzerland .


Sahling, H., Bohrmann, G., Artemov, Y., Bahr, A., Brüning, M., Klapp, S. A., Klaucke, I., Kozlova, E., Nikolovska, A., Pape, T., Reitz, A. and Wallmann, K. (2009) Gas bubble streams at Vodyanitskii Mud Volcano, Sorokin Trough, Black Sea. [Talk] In: 9. International Conference on Gas in Marine Sediments. , 15.090.-19.09, Bremen .


Wallmann, K. (2009) Marine gas hydrates: CO2 storage and natural gas production. [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. 120 .


Haeckel, M. and Wallmann, K. (2008) Indications for convective flow induced by focussed fluid venting at bacterial mats. [Talk] In: Goldschmidt Conference 2008. , 13.-18.07, Vancouver, Canada .


Ranero, C. R., Grevemeyer, I., Sahling, H., Barckhausen, U., Hensen, C., Wallmann, K. and Weinrebe, R. W. (2008) The distinct hydrogeological system of the forearc of the Middle America Trench: significance for long-term tectonics and updip limit of the interplate seismogenic zone. [Talk] In: AGU Fall Meeting. , 15-19 December, San Francisco, USA .


Aloisi, G., Wallmann, K., Tishchenko, P., Haeckel, M., Pavlova, G., Greinert, J. and Eisenhauer, A. (2007) A possible long-term CO2 sink through submarine weathering of detrital silicates. [Talk] In: Statusseminar Meeresforschung mit FS Sonne. , 14.-16.02, Kiel .


Böhm, F., Amini, M., Blenkinsop, J., Buhl, D., Eisenhauer, A., Farkas, J., Von Geldern. R., , Gussone, N., Heuser, A., Munnecke, A., Veizer, J., Voigt, S. and Wallmann, K. (2007) Calcium isotope budget of the Phanerozoic ocean. [Talk] In: Goldschmidt Konferenz 2007. , 21.08, Köln .


Haeckel, M., Aloisi, G., Wallmann, K., Tishchenko, P., Pavlova, G., Greinert, J. and Eisenhauer, A. (2007) Silicate weathering in anoxic marine sediments: a potential long-term CO2 sink. [Talk] In: Geologische Vereinigung International Conference 2007. , 02.-05.10, Bremen, Germany .


Haeckel, M., Aloisi, G., Wallmann, K., Tishchenko, P., Pavlova, G., Greinert, J. and Eisenhauer, A. (2007) Verwitterung von detritischen Silikaten in marinen Sedimenten als potentielle CO2-Senke auf langen Zeitskalen . [Talk] In: Statusseminar 2007 Meeresforschung mit FS SONNE. , 14.02.-15.02.2007, Kiel . Statusseminar 2007 Meeresforschung mit FS SONNE : Tagungsband. ; pp. 63-66 .


Karaca, D., Hensen, C. and Wallmann, K. (2007) Effects of calcium fluxes on authigenic carbonate formation at mud volcanoes off Costa Rica: a numerical model approach. [Talk] In: Workshop to Integrate Subduction Factory and Seismogenic Zone Studies in Central America. , 18.- 22.06, Heredia, Costa Rica .


Karaca, D., Hensen, C. and Wallmann, K. (2007) Effect of calcium fluxes on authigenic carbonate formation at mud volcanoes off Costa Rica. [Talk] In: Goldschmidt Conference. , Köln .


Karaca, D., Hensen, C. and Wallmann, K. (2007) Estimates of methane fluxes and authigenic carbonate formation at mud volcanoes off Costa Rica, a numerical model approach. [Talk] In: LAK 2007: 20th Colloquium on Latin American Earth Sciences. , 11.- 13.04, Kiel, Germany .


Karaca, D., Wallmann, K., Schmidt, M., Liebetrau, V., Fehn, U., Garbe-Schönberg, C. D. and Brückmann, W. (2007) Geochemistry of cold vent fluids at the Central American Convergent Margin. [Talk] In: Goldschmidt Conference. , Köln .


Krüger, K., Wallmann, K. and Latif, M. (2007) Sub-project C5 in phase III:. [Talk] In: SFB 574 retreat. , 30.08, Kiel .


Kuhnt, W., Flögel, S., Holbourn, A. and Wallmann, K. (2007) Onset and spread of Cretaceous Anoxia. [Talk] In: IGCP 555 Conference. , 10, Chenzou, China .


Linke, P., Rehder, G., Mau, S., Wallmann, K., Hensen, C. and Schleicher, T. (2007) In situ fluxes at the Costa Rica convergent margin. [Talk] In: 17th Goldschmidt Conference 2007. , 19.-24.08, Köln .


Linke, P., Rehder, G., Mau, S., Wallmann, K., Hensen, C. and Schleicher, T. (2007) In situ fluxes at the Costa Rica convergent margin. [Talk] In: Workshop to Integrate Subduction Factory and Seismogenic Zone Studies in Central America. , 18.-22.06, Heredia, Costa Rica .


Mavromatis, V., Comas, L., Schmidt, M., Hensen, C., Liebetrau, V. and Wallmann, K. (2007) Laboratory precipitated Mg-Calcite compared to authigenic carbonate formed at mud mounds (Costa Rica/Nicaragua Fore Arc). [Talk] In: EGU General Assembly. , 15.- 20.04, Vienna, Austria ; p. 4168 . Geophysical Research Abstracts (9).


Mavromatis, V., Liebetrau, V., Comas, L., Schmidt, M., Hensen, C. and Wallmann, K. (2007) Precipitation of artificial Mg-Calcite compared to authigenic carbonate formed at mud mounds (Costa Rica/Nicaragua Fore Arc). [Talk] In: LAK 2007: 20th Colloquium on Latin American Earth Sciences. , 11.- 13.04, Kiel, Germany .


Rehder, G., Garbe-Schönberg, C. D., Linke, P., Niemann, H., Schleicher, T. and Wallmann, K. (2007) Tectonically induced fluid flow into a nearly anoxic water column: Methane cycling at Quepos Slide, Costa Rican continental margin. [Talk] In: EGU General Assembly. , 15.-20.04, Wien .


Reitz, A., Haeckel, M., Wallmann, K., Hensen, C. and Heeschen, K. (2007) Origin of brines in the northern Gulf of Mexico. [Talk] In: Goldschmidt 2007 - "atoms to planets". , 19.-24.10, Cologne, Germany .


Reitz, A., Haeckel, M., Aloisi, G., Liebetrau, V. and Wallmann, K. (2007) Pore fluid source of different cold seeps offshore Geogia, eastern Black Sea. [Talk] In: GV International Conference 2007 "The Ocean in the Earth System". , 01.-05.10, Bremen .


Wallmann, K. (2007) Gashydrate. [Talk] In: 5. Deutscher Geologentag. , 10.11, Bonn .


Wallmann, K. (2007) Marine silicate weathering. [Talk] In: Goldschmidt Conference. , 21.08, Köln .


Wallmann, K. (2007) Gashydrate. [Talk] In: BDG. , 09.10, Bonn .


Wallmann, K. (2007) Ozean der Zukunft. [Talk] In: Bergakademie Freiberg. , 17.01, Freiberg .


Wallmann, K. (2007) Ozean der Zukunft. [Talk] In: Vortragsreihe 2007. , 05.02, Kiel .


Wallmann, K. (2007) Ozean der Zukunft. [Talk] In: Eröffnung der Ausstellung „Ozean der Zukunft". , 09.10, Berlin .


Wallmann, K. (2007) Gashydrate und CCS. [Talk] In: FU Berlin. , 15.11, Berlin .


Wallmann, K. (2007) Marine silicate weathering. [Talk] In: GV-Tagung. , 05.10, Bremen .


Wallmann, K. (2007) Gashydrate und CCS. [Talk] In: DMG. , 12.03, Aachen .


Wallmann, K. (2007) Ozean der Zukunft. [Talk] In: Verleihung des Wissenschaftspreises 2007 der Stadt Kiel. , 24.06, Kiel .


Wallmann, K. (2007) Ozean der Zukunft. [Talk] In: Vortragsreihe 2006/07. , 07.02, Kiel .


Wallmann, K. (2007) Submarine Verwitterung. [Talk] In: SONNE Statusseminar. , 14.02, Kiel .


Wallmann, K. (2007) Fore-arc fluid. [Talk] In: Costa Rica Workshop. , 18.06, Costa Rica .


Wallmann, K. (2007) Kinetics of POC-degradation in anoxic marine sediments. [Talk] In: Workshop zu POC-Abbau und Erhaltung. , 27.08, Bremen .


Haeckel, M., Wallmann, K., Aloisi, G., Obzhirov, A. and Tishcenko, P. (2006) Kinetics of organic matter degradation, microbial methane generation and gas hydrate formation in anoxic marine sediments. [Other] In: 5. International Workshop on Methane Hydrate Research & Development. , 0.10.-12.10, Edinburgh, U.K. .


Haeckel, M., Reitz, A. and Wallmann, K. (2006) Fluid flow from mud volcanoes and seeps in the Black Sea: geochemical composition - first results from the TTR-15 cruise. [Other] In: 15. Anniversary Training Through Research Post-Cruise Meeting: Geological Processes on Deep-Water European Margins. , 29.01.-04.02, Moscow, Zvenigorod, Russia .


Kasting, J. F., Howard, M. T., Wallmann, K. and Jaffré, J. (2006) Evolution of a habitable planet Paleoclimates, ocean depth, and the oxygen isotopic composition of seawater. [Talk] In: Goldschmidt Conference 2006. , 27.-29.08.2006, Melbourne, Australia .

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Linke, P., Wallmann, K., Rehder, G., Hensen, C., Haeckel, M., Bialas, J. and Weinrebe, W. (2006) Marine gas hydrate research at IFM-GEOMAR : an overview on history and recent developments. [Invited talk] In: 36th Underwater Mining Institute. , 24.09.- 30.09.2006, Kiel . Scientific. legal, and economic perspectives of marine mining : 36th Underwater Mining Institute, abstracts ; UMI 2006 ; Kiel, Germany, September 24-30, 2006. ; Linkie1-Linke9 .


Wallmann, K. (2006) The Future Ocean. [Public Lecture] In: UNSPECIFIED. , 14.11, Kiel .


Wallmann, K. (2006) The Future Ocean. [Public Lecture] In: Aquariumsvortrag zur Kieler Woche. , 19.06, Kiel .


Wallmann, K. (2006) The Future Ocean. [Public Lecture] In: 9. Maasholmer Meereskundliche Vorträge. , 05.09, Maasholm .


Wallmann, K. (2006) Marine gashydrate. [Talk] In: 5th National Maritime Conference. , 05.12, Hamburg .


Wallmann, K. (2006) The Future Ocean. [Public Lecture] In: Europäisches Forum Meerespolitik. , 25.11, Kiel .


Wallmann, K. (2006) The Future Ocean. [Public Lecture] In: Ringvorlesung. , 18.10, Kiel .


Wallmann, K. (2006) The Future Ocean. [Public Lecture] In: UNSPECIFIED. , 14.11, Kiel .


Wallmann, K. (2006) Marine gashydrate. [Talk] In: UNSPECIFIED. , 10, Korea .


Wallmann, K. (2006) The Future Ocean. [Public Lecture] In: UNSPECIFIED. , 13.03, Kiel .


Wallmann, K. (2006) The Future Ocean. [Talk] In: 36th Underwater Mining Institute. , 24.-25.09, Kiel .


Wallmann, K. (2006) The Future Ocean. [Public Lecture] In: Universitätsempfang der Stadt Kiel. , 07.12, Kiel .


Wallmann, K. (2006) Marine gashydrates. [Public Lecture] In: UNSPECIFIED. , 20.09, Bruxelles, Belgium .


Böhm, F., Eisenhauer, A., Heuser, A., Kiessling, W. and Wallmann, K. (2005) Calcium isotope fractionation during dolomitization. [Other] In: GeoErlangen 2005. , 29.09, Erlangen .


Grevemeyer, I., Ranero, C. R., Sahling, H., Barckhausen, U., Hensen, C., Wallmann, K., Weinrebe, R. W., Vanucchi, P., von Huene, R. and McIntosh, K. (2005) The relationship between fluids and tectonics at the Middle America Convergent Margin. [Other] In: AGU Fall Meeting. , 05.12.-09.12, San Francisco, California, USA .


Hensen, C., Wallmann, K., Ranero, C. R., Rehder, G., Brückmann, W., Grevemeyer, I. and Reston, T. J. (2005) Modes of fluid expulsion and its significance for forearc dewatering at Costa Rica Convergent Margin. [Talk] In: AGU Fall Meeting. , San Francisco .


Hensen, C., Wallmann, K., Schmidt, M., Suess, E., Ranero, C. and Brückmann, W. (2005) Fluid Flow and Gas Hydrate Dynamics at Costa Rica Convergent Margin. [Talk] In: EGU. , Vienna .


Linke, P., Wallmann, K., Suess, E., Hensen, C. and Rehder, G. (2005) In situ fluxes from an intermittently active mud volcano at the Costa Rica convergent margin. [Talk] In: Aquatic Sciences Meeting. , 23.02, Salt Lake City, Utah, USA .


Wallmann, K., Schacht, U., Mörz, T., Schmidt, M., Suess, E. and Brückmann, W. (2005) Geochemische Variation und Herkunft von Fluiden in Schlammdiapiren und Schlammvulkanen vor Costa Rica. [Talk] In: SONNE Statusseminar. , 09.- 11.03, Rostock-Warnemünde, Germany .


Wallmann, K. (2004) Impact of atmospheric CO2 and galactic cosmic radiation on phanerozoic climate change and the marine d18O record. [Talk] In: AGU - Fall Meeting. , 13.- 17.12, San Francisco, USA .


Wallmann, K. (2004) Cenozoic climate change and carbon cycling processes. [Talk] In: AGU - Fall Meeting. , 13.- 17.12, San Francisco, USA .


Mörz, T., Brückmann, W., Wallmann, K. and Suess, E. (2003) Mound Culebra - an Example for Deep Sourced Mud Diapirism offshore Costa Rica. [Talk] In: DMG-GV-DGG-Tagung GEO2003. , 22.- 25.09, Bochum, Deutschland .


Ranero, C., Weinrebe, R. W., Huguen, C., Sahling, H. and Wallmann, K. (2003) Relation between fluid flow and upper plate tectonics at erosional margins. [Talk] In: DMG-GV-DGG-Tagung GEO2003. , 22.- 25.09, Bochum, Deutschland .


Schacht, U., Kutterolf, S., Schmidt, M. and Wallmann, K. (2003) Diagenesis of volcanic ashes in the central america subduction zone - an experimental and field study approach. [Talk] In: EGS-AGU-EUG Joint Assembly. , 06.- 11.04, Nice, France .


Schacht, U., Kutterolf, S., Schmidt, M. and Wallmann, K. (2003) Alteration of Tephra in the central America subduction zone - Comparrison of experimental and field study data. [Talk] In: IUGG. , 09.-13.07, Sapporo, Japan .


Schacht, U., Kutterolf, S., Schmidt, M., Wallmann, K. and Hensen, C. (2003) Solution and dissolution of major and trace elements in tephras from the Central American Subduction Zone. [Talk] In: Joint Meeting and interdisciplinary perspective organized by the Deutsche Mineralogische Gesellschaft, the Geologische Vereinigung and the Deutsche Geophysikalische Gesellschaft. , 22.- 25.09.03, Bochum .


Schmidt, M., Mörz, T., Mau, S., Grevemeyer, I., Wallmann, K., Sahling, H. and Brückmann, W. (2003) Shallow surface methane hydrate associated with mud diapir \Mound 11\" in the Costa Rica fore arc zone ". [Talk] In: EGS-AGU-EUG Joint Assembly. , 06.- 11.04, Nice, France .


Wallmann, K., Mau, S., Schacht, U., Deyhle, A., Schmidt, M., Garbe-Schönberg, C. D. and Suess, E. (2003) Fluid flow in sediments along the Costa Rican continental margin - quantification and origin of fluids. [Talk] In: EGS-AGU-EUG Joint Assembly. , 06.- 11.04, Nice, France .

Conference posters

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Burwicz, E. B., Hensen, C., Wallmann, K., Haeckel, M. and Reichel, T. (2016) Basin-scale gas hydrate-free gas re-cycling process derived from 3D numerical modeling at the Green Canyon province, Gulf of Mexico. [Poster] In: Gordon Research Conference on Natural Gas Hydrate Systems. , 28.02.-04.03.2016, Galvestone, TX, US .


Burwicz, E. B., Reichel, T., Wallmann, K., Haeckel, M. and Hensen, C. (2016) 3D basin-scale modeling of a natural gas hydrate system at the Green Canyon, Gulf of Mexico. [Poster] In: 13. International Conference on Gas in Marine Sediments (GIMS13). , 19.-22.09.2016, Tromsø, Norway .


Lomnitz, U., Sommer, S., Hensen, C., Dale, A. W. and Wallmann, K. (2014) Drivers and mechanisms for high phosphate (TPO4) release rates in the oxygen minimum zone off Peru. [Poster] In: ASLO Aquatic Sciences Meeting 2014. , 23.-28.02.2014, Honolulu, Hawaii .

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Burwicz, E., Rüpke, L. and Wallmann, K. (2013) GH-3PAD – a new numerical solver for multiphase transport in porous media - new insights on gas hydrate and free gas co-existence. [Poster] In: AGU Fall Meeting 2013. , 09.-13.12.2013, San Francisco, USA .


Stolpovsky, K., Dale, A. W. and Wallmann, K. (2013) A novel approach for determining the rate of organic carbon remineralization in bioturbated marine sediments at the global scale. [Poster] In: Goldschmidt Conference 2013. , 25.-30.08.2013, Florence, Italy .


Pinero, E., Rottke, W., Fuchs, T., Hensen, C., Haeckel, M. and Wallmann, K. (2012) 3-D numerical modelling of gas hydrate accumulations at the Alaska North Slope. [Poster] In: Gordon Research Conference: Natural Gas Hydrate Systems. , 18.-23.03.2012, Ventura, CA, USA .

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Burwicz, E. B., Rüpke, L. and Wallmann, K. (2011) Transport- reaction modeling of marine gas hydrate deposits- global results. [Poster] In: GeoMod 2012. , 15 - 20.07.2012, Lausanne, Switzerland .


Chuang, P. C., Dale, A. W., Wallmann, K., Yanf, T. F., Chen, N. J., Lin, S., Masumoto, R., Hiruta, A., Sun, C. H. and You, C. F. (2011) Carbon isotopic evidence for coupled sulfate reduction-methane oxidation and numerical simulation results in offshore SW Taiwan. [Poster] In: 7th International Conference on Gas Hydrates (ICGH 2011). , 17.-21.07.2011, Edinburgh, Scotland, United Kingdom .

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Floegel, S., Wallmann, K. J. G., Poulsen, C., Zhou, J., Oschlies, A., Voigt, S. and Kuhnt, W. (2011) Biogeochemical effects of volcanic degassing on the oxygen-state of the oceans during the Cenomanian/Turonian Anoxic Event 2. [Poster] In: AGU Fall Meeting 2011. , 05.12.-09.12.2011, San Francisco, California, USA .


Pinero, E., Hensen, C., Marquardt, M., Haeckel, M. and Wallmann, K. (2011) Constraining the global distribution and amount of methane hydrates in marine sediments. [Poster] In: EGU General Assembly 2011. , 03.-08.04.2011, Vienna, Austria .


Pinero, E., Rottke, W., Fuchs, T., Haeckel, M., Hensen, C., Marquardt, M. and Wallmann, K. (2011) SUGAR A4: Global distribution and 3-D numerical modelling of submarine gas hydrate deposits. [Poster] In: Status Seminar: Geological storage of CO2. , 21.09.2011, Potsdam, Germany .


Bigalke, N., Haeckel, M., Schicks, J. M., Spangenberg, E. and Wallmann, K. (2010) Submarine gas hydrate exploitation: high-pressure laboratory experiments and the German SUGAR project. [Poster] In: Gordon Research Conference on Natural Gas Hydrate Systems. , 06.-11.06.2010, Colby College, Waterville, USA .


Bohlen, L., Sommer, S., Dale, A. W., Hensen, C. and Wallmann, K. (2010) Sediments underlying the Peruvian OMZ - sink or source for reactive N species. [Poster] In: Ocean Sciences Meeting 2010 "Nitrogen Cycling Near Oxygen Minima Zones: Linking Observations to Global Models of Nitrogen Fixation in the Anthropocene". , 22.02.-26.02.2010, Portland, Oregon, USA . EOS Transactions : Ocean Sciences Meeting Supplement. ; IT15D-03 .


Burwicz, E., Rüpke, L., Wallmann, K. and Biastoch, A. (2010) New global estimates of marine gas hydrate accumulations based on POC degradation and reaction-transport modeling. [Poster] In: EGU General Assembly 2010. , 02.-07.05.2010, Vienna, Austria .

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Flögel, S., Wallmann, K. and Kuhnt, W. (2010) Cool episodes in the Late Cretaceous - exploring the effects of physical forcing on Antarctic snow accumulation. [Poster] In: EGU General Assembly. , 02.05.-07.05.2010, Vienna, Austria . Geophysical Research Abstracts. ; EGU2010-9334 .


Flögel, S., Wallmann, K., Poulsen, C., Zhou, J., Oschlies, A. and Voigt, S. (2010) Simulating the biogeochemical effects of volcanic CO2 degassing on the oxygen-state of the deep ocean during the Cenomanian/Turonian Anoxic Event (OAE2). [Poster] In: 10th International Conference on Paleoceanography, ICP 10, Scripps Institution of Oceanography University of California. , 29.08.-03.09.2010, San Diego, LaJolla, California, USA .


Haeckel, M., Bialas, J. and Wallmann, K. and SUGAR (2010) The German collaborative project SUGAR: Utilization of a natural treasure – Developing innovative techniques for the exploration and production of natural gas from hydrate-bearing sediments. [Poster] In: Fiery Ice from the Seas: 7th International Workshop on Methane Hydrate Research & Development. , 10.-12.05.2010, Wellington, New Zealand .


Hensen, C., Marquardt, M., Pinero, E., Haeckel, M., Wallmann, K., Gehrmann, R. and Müller, C. (2010) Prediction of sub-seafloor gas hydrate inventories using a general transfer function. [Poster] In: IODP-ICDP Kolloquium 2010. , 09.-11.03.2010, Frankfurt .


Mosch, T., Sommer, S., Pfannkuche, O. and Wallmann, K. (2010) Habitat mapping in the Peruvian OMZ. [Poster] In: Ocean Sciences Meeting 2010 "Oxygen Minimum Zones and Climate Change: Observations and Prediction IV". , 22.02.-26.02.2010, Portland, Oregon, USA ; BO35C-08 .


Mosch, T., Sommer, S., Pfannkuche, O. and Wallmann, K. (2010) Hapitat Mapping in the Peruvian OMZ . [Poster] In: Ocean Sciences Meeting 2010 "Oxygen Minimum Zones and Climate Change: Observations and Prediction IV". , 22.02.-26.02.2010, Portland, Oregon, USA .


Noffke, A., Hensen, C., Sommer, S., Scholz, F., Mosch, T. and Wallmann, K. (2010) Benthic fluxes of iron, phosphate and silicate across the Peruvian Oxygen Minimum Zone. [Poster] In: Ocean Sciences Meeting 2010 "Oxygen Minimum Zones and Climate Change: Observations and Prediction IV". , 22.02.-26.02.2010, Portland, Oregon, USA . EOS Transactions : Ocean Sciences Meeting Supplement. ; BO35C-09 .


Reitz, A., Pape, T., Schmidt, M., Haeckel, M., Berner, U., Scholz, F., Liebetrau, V., Aloisi, G., Weise, S. and Wallmann, K. (2010) Geochemical investigation of cold seeps fluids offshore Georgia, eastern Black Sea. [Poster] In: 10th International Conference on Gas in Marine Sediments (GIMS10). , 06.-12.09.2010, Listvyanka, Russia .


Albrecht, C., Aloisi, G., Haeckel, M., Kutterolf, S. and Wallmann, K. (2009) Silicate weathering in anoxic marine sediments: detailed mineralogical investigation. [Poster] In: Goldschmidt Conference 2009. , 21.-26.06, Davos, Switzerland .


Gubsch, S., Haeckel, M. and Wallmann, K. (2009) Indications for near-surface fluid circulation cells at bacterial mats. [Poster] In: EGU General Assembly 2009. , 13.-18.04, Vienna, Austria .


Haeckel, M., Bialas, J. and Wallmann, K. (2009) The German collaborative project SUGAR: Utilization of a natural treasure - developing innovative techniques for the exploration and production of natural gas from hydrate-bearing sediments. [Poster] In: Offshore Technology Conference 2009. , 04.-07.05.2009, Houston, USA .

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Reitz, A., Liebetrau, V., Scholz, F., Hensen, C., Wallmann, K., Haeckel, M. and Weise, S. M. (2009) Multi-Isotope investigation to identify general characteristics of different cold vent systems. [Poster] In: 19. Goldschmidt Conference 2009. , 21.06.-26.06, Davos, Switzerland .


Schicks, J. M., Wallmann, K., Bialas, J. and Haeckel, M. (2009) Development and test of innovative technologies for gas hydrate exploration and gas production from hydrate bearing sediments. [Poster] In: 237th ACS National Meeting. , 22.-26.03, Salt Lake City, USA .

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Scholz, F., Hensen, C., Meixner, A., Reitz, A., Haeckel, M., Romer, R. L., De Lange, G. and Wallmann, K. (2009) Lithium isotopes as a tracer for diagenetic processes in deep subsurface sediments. [Poster] In: Goldschmidt Conference 2009. , 21.-26.06, Davos, Switzerland .


Tishchenko, P., Wong, C. S., Johnson, W. K., Haeckel, M., Wallmann, K. and Aloisi, G. (2009) Stability and solubility of CO2 hydrate in seawater. [Poster] In: 8th International Carbon Dioxide Conference (ICDC8). , 13.-19.09, Jena .


Suess, E., Wallmann, K. and Haeckel, M. (2008) CCS: Conventional and Innovative Offshore Options. [Poster] In: 12th European Roundtable on Sustainable Consumption and Production (ERSCP2008). , 23.-25.09, Berlin .


Linke, P., Rehder, G., Mau, S., Wallmann, K., Hensen, C. and Schleicher, T. (2007) In situ fluxes at the Costa Rica convergent margin. [Poster] In: 97th Annual Meeting of the Geologische Vereinigung (GV). , 01.-05.10, Bremen .


Reitz, A., Haeckel, M., Aloisi, G., Liebetrau, V. and Wallmann, K. (2007) Geochemical evaluation of pore fluids of cold seeps offshore Geogia, eastern Black Sea. [Poster] In: Geo-marine Research along European Continental Margin and 16th Conference of the TTR programme. , 29.01.-01.02, Bremen, Germany .

Theses - not published by a publisher


Wallmann, K. (1999) Die Rolle der Subduktionszonen im globalen Wasser- und Kohlenstoffkreislauf. (Professorial dissertation), Christian-Albrechts-Universität zu Kiel, Kiel, Germany, 308 pp.

Reports - Cruise Reports

Reports - other reports

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Ambsdorf, J., Engel, A., Grabe, J., Kronfeld-Goharani, U., Latif, M., Lenz, M., Lotze, H., Matz-Lück, N., Müller, A., Neumann, B., Ott, K., Petersen, S., Quaas, M., Reusch, T. B. H., Riebesell, U., Schulz, C., Unmüßig, B., Unger, S., Visbeck, M., Wahl, M., Wallmann, K. J. G. and Wodtke, L. and Heinrich-Böll-Stiftung Schleswig-Holstein, Heinrich-Böll-Stifung (Bundesstiftung), Kieler Exzellenzcluster Ozean der Zukunft, Le Monde diplomatique (2017) Meeresatlas: Daten und Fakten über unseren Umgang mit dem Ozean. , ed. by Bähr, U., Kronfeld-Goharani, U. and Wiebe, P.. Heinrich Böll Stiftung, Berlin, Germany, 50 pp.

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Ambsdorf, J., Engel, A., Grabe, J., Kronfeld-Goharani, U., Latif, M., Lenz, M., Lotze, H., Matz-Lück, N., Müller, A., Neumann, B., Ott, K., Petersen, S., Quaas, M., Reusch, T. B. H., Riebesell, U., Schulz, C., Unmüßig, B., Unger, S., Visbeck, M., Wahl, M., Wallmann, K. J. G. and Wodtke, L. and Heinrich-Böll-Stiftung Schleswig-Holstein, Heinrich-Böll-Stifung (Bundesstiftung), Kieler Exzellenzcluster Ozean der Zukunft, Le Monde diplomatique (2017) Ocean Atlas : facts and figures about our relationship with the ocean. , ed. by Bähr, U., Kronfeld-Goharani, U. and Wiebe, P.. Heinrich Böll Stiftung, Berlin, Germany, 50 pp.

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Wallmann, K. (2015) CCS Future Report. . ECO2 Deliverable, D7.4 . ECO2, 4 pp. DOI 10.3289/ECO2_D7.4.

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Wallmann, K., Haeckel, M., Linke, P., Haffert, L., Schmidt, M., Buenz, S., James, R., Hauton, C., Tsimplis, M., Widdicombe, S., Blackford, J., Queiros, A. M., Connelly, D., Lichtschlag, A., Dewar, M., Chen, B., Baumberger, T., Beaubin, S., Vercelli, S., Proelss, A., Wildenborg, T., Mikunda, T., Nepveu, M., Maynard, C., Finnerty, S., Flach, T., Ahmed, N., Ulfsnes, A., Brooks, L., Moskeland, T. and Purcell, M. (2015) Best Practice Guidance for Environmental Risk Assessment for offshore CO2 geological storage. . ECO2 Deliverable, D14.1 . , 53 pp. DOI 10.3289/ECO2_D14.1.

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Wallmann, K. (2015) Guidelines for long-term monitoring. . ECO2 Deliverable, D11.3 . ECO2, 15 pp. DOI 10.3289/ECO2_D11.3.

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Blackford, J., Haeckel, M. and Wallmann, K. and ECO2 Project, Plymouth Marine Laboratory (2012) Report on range of long-term scenarios to be simulated. . ECO2 Deliverable, D12.2 . , 6 pp. DOI 10.3289/ECO2_D12.2.

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Wallmann, K. and Reitz, A., eds. and ECO2 Project Office (2011) ECO2 Sub-seabed CO2 Storage: Impact on Marine ecosystems. . ECO2 Deliverable, D7.3 . , 7 pp. DOI 10.3289/ECO2_D7.3.

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Böhm, F., Haeckel, M., Wallmann, K., Stoll, P. T., Lehmann, F., Mißling, S., Müller, M., Hochmuth, T. and Lagoni, R. and Institut für Völkerrecht und Europarecht, Göttingen, Abteilung Internationales Wirtschafts- und Umweltrecht, Leibniz-Institut für Meereswissenschaften an der Christian-Albrechts-Universität Kiel (2008) CO<sub>2<\sub>-Abscheidung und -Speicherung im Meeresuntergrund : meeresökologische und geologische Anforderungen für deren langfristige Sicherheit sowie Ausgestaltung des rechtlichen Rahmens ; Umweltforschungsplan des Bundesministeriums für Umwelt, Naturschutz und Reaktorsicherheit ; Forschungsbericht 206 25 200. . Texte / Umweltbundesamt, 08,24 . Umweltbundesamt, Dessau-Roßlau, 337 pp.

Other


Wallmann, K., Haeckel, M., Linke, P., Haffert, L., Schmidt, M., Buenz, S., James, R., Hauton, C., Tsimplis, M., Widdicombe, S., Blackford, J., Queiros, A. M., Connelly, D., Lichtschlag, A., Dewar, M. and Chen, B. (2015) Best Practice Guidance for Environmental Risk Assessment for Offshore CO2 Geological Storage . ECO2 .

This list was generated on Sat Sep 23 14:53:28 2017 CEST.