Mitarbeiter

Priv.-Doz. Dr. rer. nat. Armin Freundt

  Forschungsbereich 4: Dynamik des Ozeanbodens
  FE Magmatische und hydrothermale Systeme

  Büro:
  Raum: 8/E-208
  Telefon: +49 431 600-2131
  Fax: +49 431 600-2924
  E-Mail: afreundt(at)geomar.de

  Adresse:
  Wischhofstrasse 1-3
  D-24148 Kiel

Ausbildung und Werdegang

Werdegang

  • Regelmäßig Gutachter für Bulletin of Volcanology, Journal of Volcanology and Geothermal Research, sowie gelegentlich andere Zeitschriften und Förderorganisationen (DFG, NSF)
  • Seit 2002 wissenschaftlicher Sekretär des SFB 574 Volatile und Fluide in Subduktionszonen: Klima-Rückkopplungen und Auslösemechanismen von Naturkatastrophen
  • Seit 2001 geprüfter Laserschutz-Beauftragter
  • 1993-1997 Leiter der IAVCEI Commission on Explosive Volcanism (CEV), gemeinsam mit Dr. M. Rosi, Pisa
  • seit 1992 Betrieb des Labors für experimentelle Vulkanologie
  • 1992 3 Monate Gastwissenschaftler am DSIR (Geol. Dienst), Neuseeland
  • Seit Jan. 1990 festangestellter Wissenschaftler bei GEOMAR, Forschungszentrum für marine Geowissenschaften, Kiel (seit 2012 Helmholtz-Zentrum für Ozeanforschung I GEOMAR)
  • 1987-1989  Wissenschaftlicher Mitarbeiter, Ruhr-Universität Bochum, DFG-Projekt "Composite Flow P1" (Schm 250/36-1)
  • 1985-1987  Promotionsstipendiat der Studienstiftung des deutschen Volkes
  • 1983-1985  Arbeiten über die Genese pyroklastischer Ströme
  • 1984 Gutachten über den geologischen Aufbau des Laacher See Gebietes, für Geol. LA Mainz
  • 1983 Gutachten über Eignung von Lokationen in der Eifel für ein Hot-Dry-Rock Geothermie Projekt, für BMFT
  • 1982 Gutachten über Bims-Vorräte für Rhein. Bimsgruben Gem., Kruft

Ausbildung

  • 1983 Diplom in Geologie (Mit Auszeichnung), Ruhr-Universität Bochum
  • Diplomarbeit: Stratigraphie des Brohltal-Trass und seine Entstehung aus pyroklastischen Strömen des Laacher See Vulkans. Ruhr-Universität Bochum:pp.319
  • 1989 Promotion rer.nat. (Mit Auszeichnung), Ruhr-Universität Bochum
  • Doktorarbeit: Composite flow P1 on Gran Canaria: Evolution of a rhyolite-trachyte-basalt magma system culminating in mixed-magma eruption and formation of silicic and basaltic welded ignimbrite. Ruhr-Universität Bochum: pp.444
  • 2002 Habilitation und Lehrbefugnis Geologie
  • Habilitationsschrift: Transport and emplacement processes of pyroclastic density currents. Christian-Albrechts-Universität zu Kiel: pp.279

Wissenschaftliches Interesse

  • Pyroklastische Ablagerungen und Eruptionsmechanismen
  • Zeitliche Entwicklung von Vulkan-Magma-Systemen
  • Interne vs. externe Kontrolle von Eruptionsverhalten und Vulkangefahren
  • Transportmechanismen vulkanischer Massenströme

Tätigkeit als Gutachter

  • Bulletin of Volcanology
  • Journal of Volcanology and Geothermal Research
  • Journal of Geophysical Research
  • Journal of Petrology
  • Earth and Planetary Science Letters
  • International Journal of Earth Sciences
  • DFG
  • NSF

Projekte

  • 1987-1989 Petrogenese und Ablagerung des "Composite Ignimbrite P1" auf Gran Canaria (DFG Schm 250/36-1)
  • 1992-1994 Transportmechanismen sehr heißer pyroklastischer Ströme: Analyse eines Basalt-Ignimbrits und experimentelle Gas-Schmelztropfen-Fluidisierung (Hoch-Temperatur Ignimbrit), DFG Fr 947/1-1
  • 1994-1996 gemeinsam mit HU Schmincke, R Rihm: Evolution and character of explosive eruptions of Teide volcano (EU-Projekt)
  • 1994-1998 Magmatische Fragmentierung und vulkanische Fontänen: Experimentelle Simulation der fluid-dynamischen Prozesse (Fragmentierung und Fontänen), DFG Fr 947/3-1 und 3-2
  • 1995-1996 Die Ablagerung der submarinen Äquivalente des miozänen Ignimbrits P1 von Gran Canaria, ODP Leg 157 (P1-ODP), DFG Fr 947/5-1
  • 1996-1998 gemeinsam mit M. Hort: Degassing in a zoned convecting magma chamber. Projekt im 4. EU Rahmenprogramm Umwelt und Klima
  • 1997-2002 Der Eintritt heißer pyroklastischer Ströme in Gewässer: Quantifizierung der physikalischen Prozesse und assoziierter Vulkangefahren (Littorale Ascheströme), DFG Fr 947/7-1 und 7-2
  • 1997-2001 gemeinsam mit HU Schmincke: Kristallisation, Entgasung und Fragmentierung von Lava-Domen und Transportmechanismen der resultierenden Block-und-Asche Ströme am Beispiel des Merapi Vulkans (Java, Indonesien), DFG Schm 250/62-1 und 62-3
  • 1999-2001 gemeinsam mit HU Schmincke: Entwicklung von hochdifferenzierten zonierten Magmareservoiren auf Gran Canaria, Kanarische Inseln, DFG Schm 250/72-1 und 72-2
  • 1999-2002 Die 1886 basaltische Spalteneruption des Tarawera Vulkans, Neuseeland, DFG Fr 947/8-1
  • 2001-2004 Gas-release record and degassing dynamics of Pleistocene to recent explosive arc volcanism, Projekt C4 im SFB 574, DFG Fr 947/S1-1
  • 2003-2007 Rheologie, Transportmechanismen und Separationsprozesse pyroklastischer Ströme. DFG Fr 947/9-1 und 9-2
  • 2004-2008 Volatile output from evolving magma systems in explosive eruptions, Projekt C4 im SFB 574, DFG Fr 947/S1-2
  • 2007-2010 Phreatoplinian eruptions: Mechanisms derived from comparative case studies, DFG Fr 947/11-1, 11-2
  • 2007-2009 Stress interaction between rift zones and unstable flanks on ocean island volcanoes, DFG Fr 947/12-1 (gemeinsam mit T. Walker, GFZ Potsdam)
  • 2008-2012 Crustal controls on the volatile inventory of evolving arc magmas, and implications for volcanic hazards, Projekt C4 im SFB 574, DFG Fr 947/S1-3
  • 2009-2012 A Joint Outreach Program of SFB 754 & 574, Projekt ÖA im SFB 57, DFG SFB 574/3-2009
  • 2011-2013 Quaternary explosive volcanism of the Cape Verde Archipelago: On- and offshore tephrostratigraphy (DFG Fr 947/14-1)

Expeditionen

Teilnahme an marinen Expeditionen mit den Forschungsschiffen Meteor und Sonne, sowie Landexpeditionen zu Vulkanen in Mittelamerika, Südamerika, und atlantischen Ozeaninseln.

Publikationen

Anzahl der Einträge: 193.

Artikel in einer Fachzeitschrift - begutachtet

Dull, R. A. , Southon, J. R., Kutterolf, S. , Anchukaitis, K. J. , Freundt, A. , Wahl, D. B. , Sheets, P., Amaroli, P., Hernandez, W., Wiemann, M. C. und Oppenheimer, C. (2019) Radiocarbon and geologic evidence reveal Ilopango volcano as source of the colossal ‘mystery’ eruption of 539/40 CE. Quaternary Science Reviews . DOI 10.1016/j.quascirev.2019.07.037.

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Kutterolf, S. , Schindlbeck, J. C. , Jegen, M. , Freundt, A. und 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.

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Schindlbeck, J. C. , Kutterolf, S. , Freundt, A. , Eisele, S., Wang, K. L. und Frische, M. (2018) Miocene to Holocene marine tephrostratigraphy offshore northern Central America and southern Mexico: Pulsed activity of known volcanic complexes. Open Access Geochemistry, Geophysics, Geosystems, 19 (11). pp. 4143-4173. DOI 10.1029/2018GC007832.

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Schindlbeck, J. C. , Jegen, M. , Freundt, A. , Kutterolf, S. , Straub, S. M., Mleneck-Vautravers, M. J. und McManus, J. F. (2018) 100- kyr cyclicity in volcanic ash emplacement: evidence from a 1.1 Myr tephra record from the NW Pacific. Open Access Scientific Reports, 8 (Article number 4440). DOI 10.1038/s41598-018-22595-0.

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Schindlbeck, J. C. , Kutterolf, S. , Freundt, A. , Andrews, G. D. M., Wang, K. L., Völker, D., Werner, R., Frische, M. und Hoernle, K. (2016) Alkalic marine tephra layers at ODP Site 1241 - Major explosive eruptions from an oceanic volcano in a pre-shield stage?. Journal of Volcanology and Geothermal Research, 328 . pp. 96-104. DOI 10.1016/j.jvolgeores.2016.10.009.

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Schindlbeck, J. C. , Kutterolf, S. , Freundt, A. , Alvarado, G. E., Wang, K. L., Straub, S. M., Hemming, S. R., Frische, M. und Woodhead, J. D. (2016) Late Cenozoic tephrostratigraphy offshore the southern Central American Volcanic Arc: 1. Tephra ages and provenance. Open Access Geochemistry, Geophysics, Geosystems, 17 (11). pp. 4641-4668. DOI 10.1002/2016GC006503.

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Schindlbeck, J. C. , Kutterolf, S. , Freundt, A. , Straub, S. M., Vannucchi, P. und Alvarado, G. E. (2016) Late Cenozoic tephrostratigraphy offshore the southern Central American Volcanic Arc: 2. Implications for magma production rates and subduction erosion. Open Access Geochemistry, Geophysics, Geosystems, 17 (11). pp. 4585-4604. DOI 10.1002/2016GC006504.

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Eisele, S., Freundt, A. , Kutterolf, S. , Hansteen, T. H. , Klügel, A. und Irion, I. M. (2016) Evolution of magma chambers generating the phonolitic Cão Grande Formation on Santo Antão, Cape Verde Archipelago. Journal of Volcanology and Geothermal Research, 327 . pp. 436-448. DOI 10.1016/j.jvolgeores.2016.09.016.

Eisele, S., Reißig, S. , Freundt, A. , Kutterolf, S. , Nürnberg, D. , Wang, K. L. und Kwasnitschka, T. (2015) Pleistocene to Holocene offshore tephrostratigraphy of highly explosive eruptions from the southwestern Cape Verde Archipelago. Marine Geology, 369 . pp. 233-250. DOI 10.1016/j.margeo.2015.09.006.

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Kutterolf, S. , Hansteen, T. H. , Freundt, A. , Wehrmann, H., Appel, K., Krüger, K. und Perez, W. (2015) Bromine and chlorine emissions from Plinian eruptions along the Central American Volcanic Arc: From source to atmosphere. Earth and Planetary Science Letters, 429 . pp. 234-246. DOI 10.1016/j.epsl.2015.07.064.

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Eisele, S., Freundt, A. , Kutterolf, S. , Ramalho, R. S., Kwasnitschka, T., Wang, K. L. und Hemming, S. (2015) Stratigraphy of the Pleistocene, phonolitic Cão Grande Formation on Santo Antão, Cape Verde. Open Access Journal of Volcanology and Geothermal Research, 301 . pp. 204-220. DOI 10.1016/j.jvolgeores.2015.03.012.

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Schindlbeck, J. C. , Kutterolf, S. , Freundt, A. , Straub, S. M., Wang, K. L., Jegen, M. , Hemming, S. R., Baxter, A. T. und 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.

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Freundt, A. , Grevemeyer, I. , Rabbel, W., Hansteen, T. H. , Hensen, C., Wehrmann, H., Kutterolf, S. , Halama, R. und Frische, M. (2014) Volatile (H2O, CO2, Cl, S) budget of the Central American subduction zone. International Journal of Earth Sciences, 103 (7). pp. 2101-2127. DOI 10.1007/s00531-014-1001-1.

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Freundt, A. , Halama, R., Suess, E. und Völker, D. (2014) Introduction to the special issue on SFB 574 “Volatiles and fluids in subduction zones: climate feedback and trigger mechanisms for natural disasters”. International Journal of Earth Sciences, 103 (7). pp. 1729-1731. DOI 10.1007/s00531-014-1059-9.

Gilbert, D., Freundt, A. , Kutterolf, S. und Burkert, C. (2014) Post-glacial time series of explosive eruptions and associated changes in the magma plumbing system of Lonquimay Volcano, South Central Chile. International Journal of Earth Sciences, 103 (7). pp. 2043-2062. DOI 10.1007/s00531-012-0796-x.

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Metzner, D., Kutterolf, S. , Toohey, M. , Timmreck, C., Niemeier, U., Freundt, A. und Krüger, K. (2014) Radiative forcing and climate impact resulting from SO2 injections based on a 200,000 year record of Plinian eruptions along the Central American Volcanic Arc. International Journal of Earth Sciences, 103 (7). pp. 2063-2079. DOI 10.1007/s00531-012-0814-z.

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Kutterolf, S. , Schindlbeck, J. , Scudder, R. P., Murray, R. W., Pickering, K. T., Freundt, A. , Labanieh, S., Heydolph, K., Saito, S., Naruse, H., Underwood, M. B. und Wu, H. (2014) Large volume submarine ignimbrites in the Shikoku Basin: An example for explosive volcanism in the Western Pacific during the Late Miocene. Open Access Geochemistry, Geophysics, Geosystems, 15 (5). pp. 1837-1851. DOI 10.1002/2014GC005263.

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Kutterolf, S. , Jegen, M. , Mitrovica, J. X., Kwasnitschka, T., Freundt, A. und Huybers, P. J. (2013) A detection of Milankovitch frequencies in global volcanic activity. Geology, 41 (2). pp. 227-230. DOI 10.1130/G33419.1.

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Kutterolf, S. , Hansteen, T. H. , Appel, K., Freundt, A. , Krüger, K., Perez, W. und Wehrmann, H. (2013) Combined bromine and chlorine release from large explosive volcanic eruptions: A threat to stratospheric ozone?. Geology, 41 (6). pp. 707-710. DOI 10.1130/G34044.1.

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Schindlbeck, J. , Kutterolf, S. , Freundt, A. , Scudder, R. P., Pickering, K. T. und Murray, R. W. (2013) Emplacement processes of submarine volcaniclastic deposits (IODP Site C0011, Nankai Trough). Marine Geology, 343 . pp. 115-124. DOI 10.1016/j.margeo.2013.06.017.

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Geilert, S., Freundt, A. , Wörner, G. und Kutterolf, S. (2012) Geochemical differences between along-arc and across-arc volcanics in west-central Nicaragua. Journal of South American Earth Sciences, 35 . pp. 38-50. DOI 10.1016/j.jsames.2011.11.004.

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Lube, G., Cronin, S. J., Manville, V., Procter, J., Cole, S. E. und Freundt, A. (2012) Energy growth in laharic mass flows. Geology, 40 (5). pp. 475-478. DOI 10.1130/G32818.1.

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Lube, G., Huppert, H. E., Sparks, R. S. J. und Freundt, A. (2011) Granular column collapses down rough, inclined channels. Journal of Fluid Mechanics, 675 . pp. 347-368. DOI 10.1017/jfm.2011.21.

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Freundt, A. , Hartmann, A., Kutterolf, S. und Strauch, W. (2010) Volcaniclastic stratigraphy of the Tiscapa maar crater walls (Managua, Nicaragua) : implications for volcanic and seismic hazards and Holocene climate changes. International Journal of Earth Sciences, 99 . pp. 1453-1470. DOI 10.1007/s00531-009-0469-6.

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Schmincke, H. U. , Rausch, J., Freundt, A. und Kutterolf, S. (2010) Walking through volcanic mud : the 2,100 year-old Acahualina footprints (Nicaragua) II: the Acahualina people, environmental conditions and motivation. International Journal of Earth Sciences, 99 (Suppl 1). S279-S292. DOI 10.1007/s00531-009-0438-0.

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Perez, W., Freundt, A. , Kutterolf, S. und Schmincke, H. U. (2009) The Masaya Triple Layer: a 2100 year old basaltic multi-episodic Plinian eruption from the Masaya Caldera Complex (Nicaragua). Journal of Volcanology and Geothermal Research, 179 (3-4). pp. 191-205. DOI 10.1016/j.jvolgeores.2008.10.015.

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Schmincke, H. U. , Kutterolf, S. , Perez, W., Rausch, J., Freundt, A. und Strauch, W. (2009) Walking through volcanic mud: the 2000 year-old Acahualinca footprints (Nicaragua) I. Stratigraphy, lithology, volcanology and age of the Acahualinca section. Bulletin of Volcanology, 71 (5). pp. 479-493. DOI 10.1007/s00445-008-0235-9.

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Kutterolf, S. , Freundt, A. und Perez, W. (2008) Pacific offshore record of plinian arc volcanism in Central America: 2. Tephra volumes and erupted masses. Open Access Geochemistry, Geophysics, Geosystems, 9 (Q02S02). DOI 10.1029/2007GC001791.

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Kutterolf, S. , Freundt, A. , Perez, W., Mörz, T., Schacht, U., Wehrmann, H. und Schmincke, H. U. (2008) Pacific offshore record of plinian arc volcanism in Central America: 1. Along-arc correlations. Open Access Geochemistry, Geophysics, Geosystems, 9 (Q02S01). DOI 10.1029/2007GC001631.

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Kutterolf, S. , Freundt, A. , Schacht, U., Bürk, D., Harders, R., Mörz, T. und Perez, W. (2008) Pacific offshore record of plinian arc volcanism in Central America: 3. Application to forearc geology. Open Access Geochemistry, Geophysics, Geosystems, 9 (Q02S03). DOI 10.1029/2007GC001826.

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Kutterolf, S. , Liebetrau, V., Mörz, T., Freundt, A. , Hammerich, T. und Garbe-Schönberg, C. D. (2008) Lifetime and cyclicity of fluid venting at forearc mound structures determined by tephrostratigraphy and radiometric dating of authigenic carbonates. Geology, 36 (9). pp. 707-710. DOI 10.1130/G24806A.1.

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Freundt, A. , Strauch, W., Kutterolf, S. und Schmincke, H. U. (2007) Volcanogenic tsunamis in lakes: examples from Nicaragua and general implications. Pure and Applied Geophysics, 164 . pp. 527-545. DOI 10.1007/s00024-006-0178-z.

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Kutterolf, S. , Freundt, A. , Perez, W., Wehrmann, H. und Schmincke, H. U. (2007) Late Pleistocene to Holocene temporal succession and magnitudes of highly-explosive volcanic eruptions in west-central Nicaragua. Journal of Volcanology and Geothermal Research, 163 . pp. 55-82. DOI 10.1016/j.jvolgeores.2007.02.006.

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Lube, G., Cronin, S. J., Platz, T., Freundt, A. , Procter, J., Henderson, C. und Sheridan, M. F. (2007) Flow and deposition of pyroclastic granular flows: a type example from the 1975 Ngauruhoe eruption, New Zealand. Journal of Volcanology and Geothermal Research, 161 . pp. 165-186. DOI 10.1016/j.jvolgeores.2006.12.003.

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Lube, G., Huppert, H. E., Sparks, R. S. J. und Freundt, A. (2007) Static and flowing regions in granular collapses down channels. Physics of Fluids, 19 (043301). DOI 10.1063/1.2712431.

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Freundt, A. , Kutterolf, S. , Wehrmann, H., Schmincke, H. U. und Strauch, W. (2006) Eruption of the dacite to andesite zoned Mateare Tephra, and associated tsunamis in Lake Managua, Nicaragua. Journal of Volcanology and Geothermal Research, 149 (1-2). pp. 103-123. DOI 10.1016/j.jvolgeores.2005.06.001.

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Lube, G., Huppert, H. E., Sparks, S. J. und Freundt, A. (2005) Collapses of two-dimensional granular columns. Physical Review E, 72 (041301). DOI 10.1103/PhysRevE.72.041301.

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Freundt, A. (2003) Entrance of hot pyroclastic flows into the sea: Experimental observations. Bulletin of Volcanology, 65 (2-3). pp. 144-164. DOI 10.1007/s00445-002-0250-1.

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Freundt-Malecha, B., Schmincke, H. U. und Freundt, A. (2001) Plutonic rocks of intermediate composition on Gran Canaria: The missing link of the bimodal volcanic rock suite. Contributions to Mineralogy and Petrology, 1441 . pp. 430-445. DOI 10.1007/s004100100250.

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Seyfried, R. und Freundt, A. (2000) Experiments on conduit flow and eruption behavior of basaltic volcanic eruptions. Open Access Journal of Geophysical Research: Solid Earth, 105 (B10). pp. 23727-23740. DOI 10.1029/2000JB900096.

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Schmincke, H. U. , Freundt, A. , Rihm, R., Sumita, M., Krastel, S. und Hoernle, K. (1997) Vulkaninseln als ozeanische Geosysteme. Open Access Geowissenschaften, 15 (9). pp. 301-305.

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Freundt, A. und Schmincke, H. U. (1995) Petrogenesis of rhyolite-trachyte-basalt composite ignimbrite P1, Gran Canaria, Canary Islands. Open Access Journal of Geophysical Research: Solid Earth, 100 (B1). pp. 455-474. DOI 10.1029/94JB02478.

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Freundt, A. und Schmincke, H. U. (1995) Eruption and emplacement of a basaltic welded ignimbrite during caldera formation on Gran Canaria. Bulletin of Volcanology, 56 . pp. 640-659. DOI 10.1007/BF00301468.

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Freundt, A. und Schmincke, H. U. (1992) Abrasion in pyroclastic flows. Open Access Geologische Rundschau, 81 . pp. 383-389. DOI 10.1007/BF01828605.

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Freundt, A. und Schmincke, H. U. (1992) Mixing of rhyolite, trachyte and basalt magma erupted from a vertically and laterally zoned reservoir, composite flow P1, Gran Canaria. Open Access Contributions to Mineralogy and Petrology, 112 . pp. 1-19. DOI DOI:10.1007/BF00310952.

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van den Bogaard, P., Schmincke, H. U. , Freundt, A. , Hall, C. M. und York, D. (1988) Eruption ages and magma supply rates during the Miocene evolution of Gran Canaria: Single-crystle 40Ar/39Ar laser ages. Naturwissenschaften, 75 . pp. 616-617.

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Freundt, A. und Schmincke, H. U. (1986) Emplacement of small-volume pyroclastic flows at Laacher See (East-Eifel, Germany). Bulletin of Volcanology, 48 . pp. 39-59. DOI 10.1007/BF01073512.

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Freundt, A. und Tait, S. R. (1986) The entrainment of high-viscosity magma into low-viscosity magma in eruption conduits. Bulletin of Volcanology, 48 . pp. 325-339. DOI 10.1007/BF01074464.

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Freundt, A. und Schmincke, H. U. (1985) Lithic-enriched segregation bodies in pyroclastic flow deposits of Laacher See volcano (E-Eifel, Germany). Journal of Volcanology and Geothermal Research, 25 . pp. 193-224. DOI 10.1016/0377-0273(85)90013-7.

Artikel in einer Fachzeitschrift - nicht begutachtet

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Freundt, A. (2011) Vulkanische Experimente. Geographische Rundschau, 63 (6). pp. 52-58.


Schwarzkopf, L. M., Schmincke, H. U. und Freundt, A. (1998) Eruptive mechanisms of Merapi Volcano during the 20th Century with emphasis on structure and transport of the block-and-ash flow of 1994. DGG-Mitteilungen, Sonderband III . pp. 21-24.

Buch


Freundt, A. und Rosi, M., eds. (1998) From magma to tephra: Modelling physical processes of explosive volcanic eruptions. . Developments in Volcanology (4). Elsevier, Amsterdam, 318 pp.


Schmincke, H. U. , van den Bogaard, P. und Freundt, A. (1990) Quaternary Eifel volcanism excursion 1Al; Workshop on explosive volcanism, August 27 to September 2. . Pluto Press, Witten, 188 pp.

Buchkapitel


Kutterolf, S. , Schacht, U., Wehrmann, H., Freundt, A. und Mörz, T. (2007) Onshore to offshore tephrostratigraphy and marine ash layer diagenesis in Central America. In: Central America: geology, resources, hazards. ; 1 , ed. by Bundschuh, J. und Alvarado Induni, G. E.. Taylor & Francis, London, pp. 395-421. ISBN 978-0-415-41648-1


Freundt, A. , Kutterolf, S. , Schmincke, H. U. , Hansteen, T. , Wehrmann, H., Perez, W., Strauch, W. und Navarro, M. (2006) Volcanic hazards in Nicaragua: Past, present, and future. In: Volcanic hazards in Central America. , ed. by Rose, W. I., Bluth, G., Carr, M. J., Ewert, J., Patino, L. und Vallance, J.. Geological Society of America Special Paper, 412 . Geological Society of America, Boulder, Colorado, pp. 141-165. DOI 10.1130/2006.2412(08).


Perez, W. und Freundt, A. (2006) The youngest highly explosive basaltic eruptions from Masaya Caldera Complex (Nicaragua): Stratigraphy and hazard assessment. In: Volcanic hazards in Central America. , ed. by Rose, W. I., Bluth, G., Carr, M. J., Ewert, J., Patino, L. und Vallance, J.. Geological Society of America Special Paper, 412 . Geological Society of America, Boulder, Colorado, pp. 189-207. DOI 10.1130/2006.2412(10).


Wehrmann, H., Bonadonna, C., Freundt, A. , Houghton, B. F. und Kutterolf, S. (2006) Fontana Tephra: A basaltic plinian eruption in Nicaragua. In: Volcanic hazards in Central America. , ed. by Rose, W. I., Bluth, g., Carr, M. J., Ewert, J., Patino, L. und Vallance, J.. Geological Society of America Special Paper, 412 . Geological Society of America, Boulder, Colorado, pp. 209-223.

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Freundt, A. , Wilson, C. J. N. und Carey, S. N. (2000) Ignimbrites and block-and-ash flow deposits. In: Encyclopedia of volcanoes. , ed. by Sigurdsson, H.. Academic Press, New York, pp. 581-599.


Freundt, A. und Bursik, M. I. (1998) Pyroclastic flow transport mechanisms. In: From magma to tephra: Modelling physical processes of explosive volcanic eruptions. , ed. by Freundt, A. und Rosi, M.. Developments in Volcanology (4). Elsevier, Amsterdam, pp. 173-245.


Freundt, A. und Schmincke, H. U. (1998) Emplacement of ash layers related to high-grade ignimbrite P1 in the sea around Gran Canaria. In: Proceedings of the Ocean Drilling Project: Scientific Results. ; 157 , ed. by Weaver, P. P. E., Schmincke, H. U., Firth, J. V. und Duffield, W. A.. Texas A & M University, College Station, Texas, pp. 201-218.


Bonse, U., Busch, F., Beckmann, F., Günnewig, O., Uebbing, H., Freundt, A. , Delling, G., Hahn, M. und Amling, M. (1994) Resolution enhancement in 3D microtomography of human bones and pumice fragments. In: HASYLAB Annual Report 1994. . German Electron-Synchrotron DESY , Hamburg, pp. 857-858.


van den Bogaard, P., Schmincke, H. U. , Freundt, A. und Park, C. (1990) Evolution of complex plinian eruptions: The Late Quaternary Laacher See case history. In: Thera and the Aegean world III : proceedings of the Third International Congress, Santorini, Greece, 3-9 September 1989. ; 2 , ed. by Hardy, D. A.. Thera Foundation, London, pp. 463-483. ISBN 0-9506133-5-5

Vorträge


Eisele, S., Samrock, L. , Freundt, A. , Hansteen, T. H. , Barker, A. K., Kutterolf, S. , Kwasnitschka, T. und Grevemeyer, I. (2017) Widespread (>100 km) Tephra from a Deep-Sea (>3000 mbsl) Eruption at the Cape Verde Archipelago, Central-East Atlantic Ocean . [Vortrag] In: AGU Chapman Conference on Submarine Volcanism. , 29.01.-03.02.2017, Hobart, Tasmania, Australia .


Hansteen, T. H. , Kwasnitschka, T., Kutterolf, S. , Freundt, A. und Devey, C. W. (2017) Explosive emplacement of pyroclastic rocks containig abraded gabbro xenoliths at 3600 m water depth at Charles Darwin Volcanic Field, Cape Verde . [Vortrag] In: AGU Chapman Conference on Submarine Volcanism. , 29.01.-03.02.2017, Hobart, Tasmania, Australia .

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Eisele, S., Freundt, A. , Kutterolf, S. und Ramalho, R. (2013) The phonolitic Cão Grande Plinian volcanism on Santo Antão, Cape Verde Islands: When, Where, How. [Vortrag] In: IAVCEI 2013. , 20.-24.07.2013, Kagoshima, Japan .


Kutterolf, S. , Jegen, M. , Schindlbeck, J. C. , Mitrovica, J. X., Kwasnitschka, T., Freundt, A. und Huybers , P. (2013) A detection of Milankovitch frequencies in tephra records of arc volcanism. [Eingeladener Vortrag] In: AGU Fall Meeting 2013. , 07.-13.12.2013, San Francisco, USA .


Gilbert, D., Freundt, A. und Burkert, C. (2012) Post-glacial time series of explosive eruptions and associated changes in the magma plumbing system of Lonquimay Volcano, South Central Chile. [Vortrag] In: The Lübeck Retreat, Collaborative Research Centre SFB 574 Volatiles and Fluids in Subduction Zones: Climate Feedback and Trigger Mechanisms for Natural Disasters. , 23.05.-25.05.2012, Lübeck . The Lübeck Retreat - final colloquium of SFB 574, May 23-25, 2012: program & abstracts. ; p. 7 .


Gilbert, D., Freundt, A. und Kutterolf, S. (2012) Post-glacial time series of explosive eruptions and associated changes in the magma plumbing system of Lonquimay Volcano, South Central Chile. [Vortrag] In: The Lübeck Retreat, Collaborative Research SFB 574 Volatiles and Fluids in Subduction Zones: Climate Feedback and Trigger Mechanisms for Natural Disasters. , 23.-25.05.2012, Lübeck . The Lübeck Retreat: final colloquium of SFB 574; May 23-25, 2012: program & abstracts. ; p. 7 .


Krüger, K., Kutterolf, S. , Hansteen, T. , Appel, K., Freundt, A. , Perez, W. und Wehrmann, H. (2012) The combined bromine and chlorine release from large explosive volcanic eruptions: a threat to stratospheric ozone. [Vortrag] In: AGU Chapman Conference on Volcanism and the Atmosphere. , 10.-15.06.2012, Selfoss, Iceland .


Kutterolf, S. , Hansteen, T. , Appel, K., Freundt, A. , Krüger, K., Peréz Fern´andez, W. und Wehrmann, H. (2012) Bromine in Plininan eruptions: A paleo-ozone killer?. [Vortrag] In: The Lübeck Retreat, Collaborative Research SFB 574 Volatiles and Fluids in Subduction Zones: Climate Feedback and Trigger Mechanisms for Natural Disasters. , 23.-25.05.2012, Lübeck . The Lübeck Retreat: final colloquium of SFB 574; May 23-25, 2012: program & abstracts. ; p. 16 .


Metzner, D., Kutterolf, K., Toohey, M. , Timmreck, C., Niemeier, U., Freundt, A. und Krüger, K. (2012) Radiative Forcing and Climate Impact of explosive Central American Volcanic Arc Eruptions for the last 200 ka. [Vortrag] In: AGU Chapman Conference on Volcanism and the Atmosphere. , 10.-15.06.2012, Selfoss, Iceland .


Schindlbeck, J. , Freundt, A. , Kutterolf, S. und Strehlow, K. (2012) Geochemistry and thermobarometry of postglacial Llaima tephras. [Vortrag] In: Goldschmidt Conference 2012. , 24.-29.06.2012, Montreal, Canada .


Gilbert, D., Freundt, A. , Kutterolf, S. und Schindlbeck, J. (2011) Llaima, Lonquimay and Puyehue magmatic systems - a comparative attempt. [Vortrag] In: SFB574 Retreat. , 01.-02.10.2011, Sankelmark .


Gilbert, D., Freundt, A. , Kutterolf, S. , Burkert, C. und Garbe-Schönberg, D. (2011) Magmatic evolution and volatile inventory of the Lonquimay volcano, South Central Chile. [Vortrag] In: XXV IUGG General Assembly, Session V05. , 28.06.-07.07.2011, Melbourne, Australia .


Gilbert, D., Freundt, A. , Kutterolf, S. , Hansteen, T. , Amigo, A. und Burkert, C. (2011) Magma chamber conditions (P, T, volatiles) of th June 2011 eruption of the Puyehue-Cordon Caulle volcanic complex, South Central Chile. [Vortrag] In: AGU Fall Meeting 2011. , 05.-09.12.2011, San Francisco, USA .


Kwasnitschka, T., Hansteen, T. H. , Kutterolf, S. , Freundt, A. und Devey, C. W. (2011) 3D-reconstruction of recent volcanic activity from ROV video, Charles Darwin Seamounts, Cape Verdes. [Vortrag] In: AGU Fall Meeting 2011. , 05.12.-09.12.2011, San Francisco, California, USA .


Freundt, A. , Kutterolf, S. , Burkert, C., Gilbert, D., Lara, L. und Naranjo, J. (2010) Volatile contents of melt inclusions of tephras along and across the Southern Volcanic Zone, Chile – preliminary results. [Vortrag] In: SFB 574 Subduction Workshop. , 04.-07.11.2010, Pucon, Chile .


Gilbert, D., Freundt, A. , Kutterolf, S. und Burkert, C. (2010) Late Pleistocene to Holocene tephrostratigraphy of the Lonquimay Volcano, South Central Chile. [Vortrag] In: SFB 574 Subduction Workshop. , 04.-07.11.2010, Pucon, Chile .


Hansteen, T. , Kutterolf, S. , Appel, K., Freundt, A. , Perez, W. und Wehrmann, H. (2010) Bromine release during Plinian eruptions along the Central American Volcanic Arc. [Vortrag] In: AGU Fall Meeting 2010. , 13.-17.12.2010, San Francisco, USA .

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Jegen-Kulcsar, M. , Kutterolf, S. , Kwasnitschka, T. und Freundt, A. and European Geosciences Union (2010) Cyclic volcanism at convergent margins: linked to aarth orbital parameters or climate changes?. [Vortrag] In: EGU General Assembly 2010. , 02.05.-07.05.2010, Vienna, Austria . Geophysical Research Abstracts. .


Kutterolf, S. , Hansteen, T. , Appel, K., Freundt, A. , Perez, W. und Wehrmann, H. (2010) Bromine release during Plinian eruptions along the Central American Volcanic Arc. [Vortrag] In: SFB 574 Subduction Workshop. , 04.-07.11.2010, Pucon, Chile .


Kutterolf, S. , Hansteen, T. , Rickers-Appel, K., Freundt, A. , Perez, W., Wehrmann, H. und Frische, M. (2010) Magmatic heavy halogen concentrations and degassed masses in late Pleistocene to Holocene Plinian eruptions of Nicaragua. [Vortrag] In: European Geosciences Union General Assembly. , 02.-07.05.2010, Vienna, Austria .


Linke, P. , Freundt, A. , Geersen, J. , Kutterolf, S. , Liebetrau, V., Rovelli, L., Scholz, F., Sommer, S., Steeb, P., Treude, T. und Völker, D. (2010) ChiFlux - Identification and investigation of fluid flux, mass wasting and sediments in the forearc of the central Chilean subduction zone – First results from SONNE cruise SO-210. [Vortrag] In: SFB 574 SUBDUCTION WORKSHOP. , 04.-07.11.2010, Pucon, Chile .

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Metzner, D., Toohey, M. , Lorenz, S., Niemeier, U., Brovkin, V., Kutterolf, S. , Freundt, A. , Timmreck, C. und Krüger, K. (2010) Simulations of the climate response to major volcanic eruptions using different complexities of eartch system climate models. [Vortrag] In: EGU General Assembly. , 02.-07.05.2010, Vienna, Austria .


Metzner, D., Zanchettin, D., Toohey, M. , Niemeier, U., Kutterolf, S. , Freundt, A. , Timmreck, C. und Krüger, K. (2010) Climate response and feedback to the large volcanic eruption of Los Chocoyos in the MPI ESM. [Vortrag] In: SFB 574 Subduction Workshop. , 04.-07.11.2010, Pucon, Chile .


Metzner, D., Zanchettin, D., Toohey, M. , Niemeier, U., Kutterolf, S. , Freundt, A. , Timmreck, C. und Krüger, K. (2010) Climate response and feedbacks of the large volcanic eruption Los Chocoyos in the MPI-ESM. [Vortrag] In: SFB 574 Subduction Workshop. , 04.-07.11.2010, Pucón, Chile .


Hansteen, T. , Kutterolf, S. , Freundt, A. , Frische, M., Wehrmann, H., Schmincke, H. U. und Horn, S. (2009) Stratospheric input of heavy halogens (Br, I) from large explosive eruptions: Information from melt inclusions. [Vortrag] In: Goldschmidt Conference 2009. , 21.-26.06.2009, Davos, Switzerland ; A493 . Geochimica et Cosmochimica Acta, 73 .


Kutterolf, S. , Freundt, A. , Kwasnitschka, T., Jegen-Kulcsar, M. , Graf, H. F., Perez, W. und Schmincke, H. U. (2009) Cyclic volcanism at convergent margins: controlled by global climate changes?. [Vortrag] In: EGU General Assembly. , 19.04.-23.04, Vienna, Austria .


Hansteen, T. , Freundt, A. , Kutterolf, S. und Galle, B. (2008) Magma flux rates through the Central American Volcanic Arc. [Vortrag] In: IAVCEI Generally Assembly. , 17.-22.08, Reykjavik, Iceland .


Kutterolf, S. , Freundt, A. , Perez, W., Wehrmann, H. und Schmincke, H. U. (2008) Mafic Plinian eruptions: A common phenomenon at the Central American volcanic arc. [Vortrag] In: IAVCEI International Meeting. , 18.-22.08, Reykjavik, Iceland .


Perez, W., Freundt, A. und Kutterolf, S. (2008) The origin of the Masaya Caldera, Nicaragua. [Vortrag] In: IAVCEI Generally Assembly. , 17.-22.08, Reykjavik, Iceland .


Perez, W., Freundt, A. , Kutterolf, S. und Pullinger, C. (2008) The youngest eruptions from the Coatepeque Caldera (El Salvador): the Congo and Conacaste tephras. [Vortrag] In: IAVCEI Meeting. , 17.-22.08, Reykjavik, Iceland .


Freundt, A. , Kutterolf, S. , Perez, W., Wehrmann, H. und Schmincke, H. U. (2007) CAVA magma production rates and volcanic hazards: Some aspects based on widespread tephras. [Vortrag] In: US-MARGINS/SFB574 Workshop. , 18.-22.06, San Jose, Costa Rica .


Freundt, A. , Kutterolf, S. und Hansteen, T. (2007) Estimating magma flux rates into the Central American Volcanic Arc (CAVA) using regional SO2 fluxes from quiescently degassing volcanoes. [Vortrag] In: Workshop to Integrate Subduction Factory and Seismogenic Zone Studies in Central America. , 18.- 22.06, Heredia, Costa Rica .


Freundt, A. , Kutterolf, S. und Hansteen, T. (2007) Are magma production rates along the Central American Volcanic Arc controlled by slab hydration?. [Vortrag] In: Latin America Colloquium 2007. , 11.-13.04, Kiel .


Freundt, A. , Kutterolf, S. , Perez, W., Wehrmann, H. und Schmincke, H. U. (2007) Magma production rates along the Central American Volcanic Arc. [Vortrag] In: 97th Annual Meeting of the Geologische Vereinigung (GV) - The Oceans in the Earth System, International Conference 2007. , 03.-05.10, Bremen .


Hartmann, A., Freundt, A. , Kutterolf, S. und Strauch, W. (2007) Geological evolution of the Tiscapa Maar in Managua, Nicaragua. [Vortrag] In: Latin America Colloquium 2007. , 11.-13.04, Kiel .


Hoernle, K. , Portnyagin, M., Wehrmann, H., Heydolph, K., Kutterolf, S. , Freundt, A. , Abt, D., Fischer, K., Grevemeyer, I. , Ivandic, M., Rabbel, W., Thorwart, M. und Dinc-Akdogan, N. (2007) An overview of Volatile and Isotopic variations along the Central American Volcanic Front. [Eingeladener Vortrag] In: AGU Fall Meeting 2007. , 10.-14.12, San Francisco, USA .


Kutterolf, S. , Freundt, A. , Perez, W. und Schmincke, H. U. (2007) Plinian volcanism along the ring of fire - Cyclicity and compositions from the long-term marine tephra record at the Central American Volcanic Arc (CAVA). [Vortrag] In: Workshop to Integrate Subduction Factory and Seismogenic Zone Studies in Central America. , 18.- 22.06, Heredia, Costa Rica .


Kutterolf, S. , Freundt, A. , Perez, W. und Schmincke, H. U. (2007) Plinian volcanism along the ring of fire - Cyclicity and compositions from the long-term marine tephra record at the Central American Volcanic Arc (CAVA). [Vortrag] In: US-MARGINS/SFB574 Workshop. , 18.-22.06, San Jose, Costa Rica .


Kutterolf, S. , Freundt, A. , Perez, W. und Schmincke, H. U. (2007) Cyclicity and compositions of Plinian volcanism along the Central American Volcanic Arc (CAVA) - the long-term marine tephra record. [Vortrag] In: Latin America Colloquium 2007. , 11.-13.04, Kiel .


Perez, W., Freundt, A. und Kutterolf, S. (2007) Stratigraphic geochemical variations of the youngest explosive Masaya caldera complex tephras. [Vortrag] In: US-MARGINS/SFB574 Workshop. , 18.-22.06, San Jose, Costa Rica .


Perez, W., Kutterolf, S. und Freundt, A. (2007) Stratigraphic geochemical variations of the youngest explosive Masaya caldera complex tephras. [Vortrag] In: Workshop to Integrate Subduction Factory and Seismogenic Zone Studies in Central America. , 18.- 22.06, Heredia, Costa Rica .


Perez, W., Kutterolf, S. , Freundt, A. , Wehrmann, H. und Schmincke, H. U. (2007) CAVA magma production rates and volcanic hazards: Some aspects based on widespread tephras. [Vortrag] In: Workshop to Integrate Subduction Factory and Seismogenic Zone Studies in Central America. , 18.- 22.06, Heredia, Costa Rica .


Perez, W., Freundt, A. und Kutterolf, S. (2007) Reconstruction of the 2,000 year old basaltic Plinian event from Masaya Caldera Complex (Nicaragua): the Masaya Triple Layer and La Concepción Tephra. [Vortrag] In: Latin America Colloquium 2007. , 11.-13.04, Kiel .


Schmincke, H. U. , Kutterolf, S. , Freundt, A. , Perez, W., Rausch, J. und Strauch, W. (2007) Four major Late Holocene explosive eruptions that affected the larger Managua area (Nicaragua). [Vortrag] In: Cities on Volcanoes 5. , 20.11, Shimabara, Japan .


Schmincke, H. U. , Rausch, J., Kutterolf, S. und Freundt, A. (2007) Acahualinca revisited. [Vortrag] In: Latin America Colloquium 2007. , 11.-13.04, Kiel .


Hansteen, T. , Hoernle, K. , Kutterolf, S. , Freundt, A. und van den Bogaard, P. (2006) Volcanic ashes from large volcanic eruptions in Central and South America and the Caribbean igneous basement. [Anderer] In: IODP-Workshop "Tectonics, Circulation, and Climate in the Caribbean Gateway". , 31.04, Austin, Texas, USA .


Lube, G., Cronin, S. J., Platz, T., Freundt, A. , Procter, J., Henderson, C. und Sheridan, M. F. (2006) Flow and deposition of pyroclastic granular flows of the 1975 Ngauruhoe eruption, New Zealand. [Vortrag] In: EGU General Assembly 2006. , 06.04, Vienna, Austria .


Lube, G., Cronin, S. J., Platz, T., Freundt, A. , Procter, J., Henderson, C. und Sheridan, M. F. (2006) Flow and deposition of pyroclastic granular flows of the 1975 Ngauruhoe eruption, New Zealand. [Vortrag] In: 17th International Sedimentological Congress. , 28.08, Fukuoka, Japan .


Lube, G., Huppert, H. E., Sparks, R. S. J. und Freundt, A. (2006) Static and flowing regions in granular collapses down channels. [Vortrag] In: Gordon Research Conference 2007 "Granular and Granular-fluid Flow". , 25.07, Oxford, UK .


Kutterolf, S. , Schacht, U., Freundt, A. , Wehrmann, H., Mörz, T., Schmidt, M. und Schmincke, H. U. (2005) Vulkanische Aschen im pazifischen Ozean vor Nicaragua und Costa Rica - Ergebnisse der Sonne Ausfahrt SO 173/3. [Vortrag] In: SONNE Statusseminar. , 09.-11.03, Rostock-Warnemünde .


Schmincke, H. U. , Freundt, A. , Kutterolf, S. und Perez, W. (2005) Escaping from a powerful eruption - the 6000 years old human footprints at Acahualinca (Nicaragua). [Vortrag] In: International Lateinamerika-Kolloquium (LAK). , 18.04.-20.04.2005, Potsdam, Germany .


Wehrmann, H. und Freundt, A. (2005) Bromine and iodine concentrations in volcanic glasses determined by Synchrotron-XRF: origin and partitioning of heavy halogens during basaltic-andesitic and rhyolitic arc magma formation at the Central American subduction zone. [Vortrag] In: ECROFI XVIII (European Current Research on Fluid Inclusions) International Meeting. , 06.-09.07, Siena, Italy .


Freundt, A. , Kutterolf, S. , Wehrmann, H., Perez, W., Schmincke, H. U. und Strauch, W. (2004) Volatile masses put into the stratosphere by arc-volcano plinian eruptions: Along-term record from Nicaragua. [Vortrag] In: IAVCEI Generally Assembly. , 14.-20.11, Pucon, Chile .


Freundt, A. , Kutterolf, S. , Wehrmann, H., Schmincke, H. U. und Strauch, W. (2004) Tsunami in Lake Managua, Nicaragua, triggered by a compositionally zoned plinian eruption. [Vortrag] In: IAVCEI Generally Assembly. , 14.-20.11, Pucon, Chile .


Kutterolf, S. , Schacht, U., Freundt, A. , Wehrmann, H., Mörz, T., Schmidt, M. und Schmincke, H. U. (2004) Marine Tephras offshore Nicaragua and Costa Rica - Determination of sedimentation rates, eruption volumes, marine stratigraphy. [Vortrag] In: IAVCEI Generally Assembly. , 14.-20.11, Pucon, Chile .


Schmincke, H. U. , Sumita, M. und Freundt, A. (2004) Source-controlled and eruption-controlled flow units in ignimbrites. [Vortrag] In: IAVCEI Generally Assembly 2004. , 14.-20.11.2004, Pucon, Chile .


Freundt, A. , Wehrmann, H., Kutterolf, S. und Schmincke, H. U. (2003) Volatile injection into atmosphere from highly explosive arc-volcanoes: A ~5000 years record from Nicaragua. [Vortrag] In: DMG-GV-DGG-Tagung. , 22.-25.09 .


Kutterolf, S. , Wehrmann, H., Schacht, U., Freundt, A. und Schmincke, H. U. (2003) Alteration, distribution, and correlation of ash layers in the pacific seafloor off Nicaragua with on-land tephras - Implications for Volatile release and eruption parameters. [Vortrag] In: IAVCEI/IUGG international meeting. , 09.-13.07, Sapporo, Japan .


Wehrmann, H., Freundt, A. , Kutterolf, S. und Schmincke, H. U. (2003) Volatile release and eruption dynamics of the basaltic-andesitic Fontana Tephra, Nicaragua. [Vortrag] In: AGU international meeting 2003. , 08.-12.12.2003, San Francisco, USA .


Wehrmann, H., Freundt, A. , Kutterolf, S. , Schmincke, H. U. und Strauch, W. (2003) Volatile Release and Eruption Dynamics of a Basaltic Plinian Eruption From Masaya Caldera, Nicaragua. [Vortrag] In: AGU - Fall Meeting. , 08.- 12.12, San Francisco, USA .


Wehrmann, H., Kutterolf, S. , Freundt, A. und Schmincke, H. U. (2003) Stratigraphy and Eruption Dynamics of, and volatile release from highly explosive volcanic eruptions in central Nicaragua during the last 30 ka. [Vortrag] In: IUGG. , 09.- 13.07, Sapporo, Japan .


Wehrmann, H., Kutterolf, S. , Freundt, A. und Schmincke, H. U. (2003) Stratigraphy and eruption dynamics of, and volatile release from, highly explosive eruptions of the Central Nicaraguan volcanic front over the last 30ka. [Vortrag] In: IAVCEI/IUGG international meeting. , 09.-13.07, Sapporo, Japan .


Freundt, A. (2001) The entry of pyroclastic flows into the sea. [Vortrag] In: AGU - Fall Meeting. , 10.-12.12, San Francisco .


Schmincke, H. U. , Sumita, M., Rihm, R., Freundt, A. und Hoernle, K. (1996) Underplating Beneath the Canary Islands: Petrologic, Tectonic and Seismic Evidence. [Vortrag] In: Chapman Conference on Magnetic Storms. , 12.-16.02.1996, Pasadena, California .


Schmincke, H. U. , Sumita, M., Freundt, A. , Hoernle, K. und van den Bogaard, P. (1995) The oceanic basalt-rhyolite association of Gran Canaria: Evidence from Land and from the sea. [Vortrag] In: IUGG 21. General Assembly. , 02.07.-14.07.18, Boulder, Colorado .


Schmincke, H. U. , Hoernle, K. , Freundt, A. , Sachs, P. und Hansteen, T. (1993) Temporal, volcanic and compositional evolution of the Canay Islands. [Vortrag] In: IAVCEI International Volcanological Congress 1993. , 1993, Canberra, Australia .


Schmincke, H. U. , Ferriz, H., Freundt, A. , Gerbe, M. C., Hoernle, K. , Kobberger, G., Kramel, M., Leat, P., Schirnick, C. , Sumita, M., Sumnar, J. und Bogaard, P. (1992) Evolution of the Miocene Tejeda caldera from Gran Canaria (Canary Islands). [Vortrag] In: 29. IGC, International Geological Conference. , 26.-27.08.1992, Kyoto, Japan .


Freundt, A. und Schmincke, H. U. (1990) The densely welded basaltic ignimbrite P1 on Gran Canaria. [Vortrag] In: IAVCEI International Volcanological Congress 1990. , 1990, Mainz, Germany .

Poster

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Wehrmann, H., Freundt, A. und Kutterolf, S. (2016) The 12.4 ka Upper Apoyeque Tephra, Nicaragua: stratigraphy, dispersal, composition, magma reservoir conditions and trigger of the plinian eruption. Open Access [Poster] In: EGU General Assembly 2016. , 17.-22.04.2016, Vienna, Austria .


Schindlbeck, J. C. , Kutterolf, S. , Freundt, A. , Straub, S. M., Wang, K. L., Jegen, M. , Hemming, S. R., Baxter, A. R. und 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 .

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Eisele, S., Freundt, A. , Kutterolf, S. , Reißig, S. und Nürnberg, D. (2013) Temporal succession, intensities, and magmatic evolution of large-magnitude Plinian eruptions from Fogo and Brava, Cape Verde Islands. [Poster] In: IAVCEI 2013. , 20.-24.07.2013, Kagoshima, Japan .


Kwasnitschka, T., Hansteen, T. , Devey, C. , Freundt, A. und Kutterolf, S. (2013) Explosive Volcanic Activity at Extreme Depths: Evidence from the Charles Darwin Volcanic Field, Cape Verdes. [Poster] In: AGU Fall Meeting 2013. , 09.-13.12.2013, San Francisco, USA .

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Schindlbeck, J. , Kutterolf, S. und Freundt, A. (2013) 8 Ma time series of explosive volcanism at the Central American Volcanic Arc (marine tephras from ODP and DSDP sites). [Poster] In: IAVCEI 2013. , 20.-24.07.2013, Kagoshima, Japan .

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Schindlbeck, J. , Kutterolf, S. und Freundt, A. (2013) Emplacement processes and provenance of submarine volcaniclastic deposits (IODP Site C0011, Nankai Trough). [Poster] In: IAVCEI 2013. , 20.-24.07.2013, Kagoshima, Japan .


Strehlow, K. , Freundt, A. , Kutterolf, S. und Schindlbeck, J. (2013) The Alpehué Eruption Sollipulli Caldera, Southern Chile. [Poster] In: VMSG Meeting 2013. , 07.-09.01.2013, Bristol, United Kingdom .


Burkert, C., Hansteen, T. , Freundt, A. und Kutterolf, S. (2012) Along-arc variations in magma chamber depth of large explosive eruptions in Central America: constraints from fluid inclusions and mineralogy. [Poster] In: The Lübeck Retreat, Collaborative Research SFB 574 Volatiles and Fluids in Subduction Zones: Climate Feedback and Trigger Mechanisms for Natural Disasters. , 23.05-25.05.2012, Lübeck, Germany . The Lübeck Retreat - final colloquium of SFB 574, May 23-25, 2012: program & abstracts. ; p. 4 .


Gilbert, D., Freundt, A. , Kutterolf, S. , Burkert, C. und Garbe-Schönberg, D. (2012) Magmatic evolution and volatile inventory of the Lonquimay Volcano, South Central Chile. [Poster] In: The Lübeck Retreat, Collaborative Research SFB 574 Volatiles and Fluids in Subduction Zones: Climate Feedback and Trigger Mechanisms for Natural Disasters. , 23.05-25.05.2012, Lübeck . The Lübeck Retreat: final colloquium of SFB 574; May 23-25, 2012: program & abstracts. ; p. 7 .


Kutterolf, S. , Heydolph, K., Freundt, A. , Hoernle, K. , Hauff, F. , Perez, W., Wehrmann, H., Garbe-Schönberg, D. und Schmincke, H. U. (2012) Comparing felsic and mafic volcanics along Central America with implications for interaction with continental crust. [Poster] In: Goldschmidt Conference 2012. , 24.-29.06.2012, Montreal, Canada .


Metzner, D., Kutterolf, K., Toohey, M. , Timmreck, C., Niemeier, U., Freundt, A. und Krüger, K. (2012) Radiative Forcing and Climate Impact of explosive Central American Volcanic Arc Eruptions for the last 200 ka. [Poster] In: AGU Chapman Conference on Volcanism and the Atmosphere. , 10.-15.06.2012, Selfoss, Iceland .


Metzner, D., Kutterolf, S. , Toohey, M. , Timmreck, C., Niemeier, U., Freundt, A. und Krüger, K. (2012) Radiative Forcing and Climate Impact of explosive Central American Volcanic Arc Eruptions for the last 200 ka. [Poster] In: The Lübeck Retreat, Collaborative Research SFB 574 Volatiles and Fluids in Subduction Zones: Climate Feedback and Trigger Mechanisms for Natural Disasters. , 23.-25.05.2012, Lübeck . The Lübeck Retreat: final colloquium of SFB 574; May 23-25, 2012: program & abstracts. ; p. 19 .


Schindlbeck, J. , Freundt, A. , Kutterolf, S. und Strehlow, K. (2012) Holocene post-caldera magma evolution of Llaima volcano, Chile. [Poster] In: The Lübeck Retreat, Collaborative Research SFB 574 Volatiles and Fluids in Subduction Zones: Climate Feedback and Trigger Mechanisms for Natural Disasters. , 23.-25.05.2012, Lübeck . The Lübeck Retreat: final colloquium of SFB 574; May 23-25, 2012: program & abstracts. ; pp. 27-28 .


Gilbert, D., Freundt, A. und Kutterolf, S. (2011) Magmatic evolution of the two caldera-forming eruptions of the Apoyo Caldera, Nicaragua. [Poster] In: XXV IUGG General Assembly, Session V03. , 28.06.-07.07.2011, Melbourne, Australia .


Kutterolf, S. , Freundt, A. , Schindlbeck, J. , Scudder, R. P., Pickering, K. T., Naruse, H., Underwood, M. B. und Wu , H. (2011) Tuffaceous sandstones from IODP Expedition 322 at Site C0011B, Nankai Trough: Sources and emplacement processes. [Poster] In: IUGG General Assembly 2011 "Earth on the Edge: Science for a Sustainable Planet". , 28.06.-07.07.2011, Melbourne, Australia .


Kutterolf, S. , Schindlbeck, J. , Freundt, A. , Scudder, R. P., Pickering, K. T., Labanieh, S., Naruse, H., Underwood, M. B. und Wu, H. (2011) Formation and origin of tuffaceous sandstones from IODP Expedition 322, Nankai Trough. [Poster] In: AGU Fall Meeting 2011. , 05.-09.12.2011, San Francisco, USA .


Kutterolf, S. , Schindlbeck, J. , Freundt, A. , Scudder, R. P., Pickering, K. T., Naruse, H., Underwood, M. B. und Wu, H. (2011) Formation and origin of tuffaceous sandstones from IODP Expedition 322, Nankai Trough. [Poster] In: IODP Expedition 322: 2nd post cruise meeting. , 25.09.-28.09.2011, Barcelona, Spain .


Schindlbeck, J. , Kutterolf, S. und Freundt, A. (2011) Emplacement processes of tuffaceous sandstones at IODP Site C0011B, Nankai Trough, derived from modal analysis. [Poster] In: AGU Fall Meeting 2011. , 05.-09.12.2011, San Francisco, USA .


Schindlbeck, J. , Kutterolf, S. und Freundt, A. (2011) Emplacement processes of tuffaceous sandstones at IODP Site C0011B, Nankai Trough, derived from modal analysis. [Poster] In: IODP Expedition 322: 2nd post cruise meeting. , 25.09.-28.09.2011, Barcelona, Spain .


Burkert, C., Freundt, A. , Gilbert, D. und Kutterolf, S. (2010) Origin of magmatic components in the Diamante Tuff. [Poster] In: SFB 574 Subduction Workshop. , 04.-07.11.2010, Pucon, Chile .


Gilbert, D., Freundt, A. , Kutterolf, S. und Burkert, C. (2010) Late pleistocene to holocene tephrostratigraphy of the Lonquimay volcano, South Central Chile. [Poster] In: AGU Fall Meeting 2010. , 13.-17.12.2010, San Francisco, USA .


Jegen, M. D. , Kutterolf, S. , Mitrovica, J. X., Kwasnitschka, T., Freundt, A. und 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 .

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Metzner, D., Toohey, M. , Lorenz, S., Niemeier, U., Brovkin, V., Kutterolf, S. , Freundt, A. , Timmreck, C. und Krüger, K. (2010) Climate response to major volcanic eruptions in earth system climate models of different complexities. [Poster] In: Summer School "Governing Climate Engineering". , 12.-16.07.2010, Heidelberg, Germany .


Metzner, D., Toohey, M. , Lorenz, S., Niemeier, U., Kutterolf, S. , Freundt, A. , Brovkin, V., Timmreck, C. und Krüger, K. (2010) Climate response to major volcanic eruptions in earth system models of different complexities. [Poster] In: 1. young Scientist Excellence Cluster Conference on Marine and Climate Research. , 04.-06.10.2010, Hamburg, Germany .


Strehlow, K. , Kutterolf, S. , Freundt, A. und Kwasnitschka, T. (2010) Pliocene to Quaternary Central American tephrostratigraphy based on marine Tephras from ODP and DSDP sites - first comprehensive study. [Poster] In: AGU Fall Meeting 2010. , 13.-17.12.2010, San Francisco, USA .


Gilbert, D., Freundt, A. und Kutterolf, S. (2009) Magmatic evolution of the two caldera-forming Tephras of the Apoyo-Caldera/Nicaragua. [Poster] In: Lateinamerika-Kolloquium. , 07.04.-09.04, Göttingen .


Metzner, D., Krüger, K., Timmreck, C., Kutterolf, S. und Freundt, A. (2009) A new radiative forcing data set comprising the major volcanic eruptions from the Central American Volcanic Arc for paleo studies. [Poster] In: EGU General Assembly. , 21.04, Vienna, Austria .


Metzner, D., Krüger, K., Timmreck, C., Kutterolf, S. und Freundt, A. (2009) A new radiative forcing data set comprising the major volcanic eruptions from the Central American Volcanic Arc for paleo studies. [Poster] In: Exzellenzcluster Workshop. , 26-27.03, Bremen .


Metzner, D., Krüger, K., Timmreck, C., Kutterolf, S. und Freundt, A. (2009) A new radiative forcing data set comprising the major volcanic eruptions from the Central American Volcanic Arc for paleo studies. [Poster] In: EGU General Assembly. , 19.-24.04, Vienna, Austria .


Metzner, D., Krüger, K., Timmreck, C., Kutterolf, S. und Freundt, A. (2009) A new radiative forcing data set comprising the major volcanic eruptions from the Central American Volcanic Arc for paleo studies. [Poster] In: SBF 574 Retreat. , 01.-02.10, Sankelmark .


Hansteen, T. , Kutterolf, S. , Freundt, A. , Frische, M., Wehrmann, H., Schmincke, H. U. und Kluegel, A. (2008) Heavy Halogen (Br, I) Injections into the Stratosphere from Large Explosive Volcanic Eruptions: Information from Melt Inclusions. [Poster] In: AGU International Meeting 2008. , 15.-19.12.2008, San Francisco, USA .


Krüger, K., Hansteen, T. , Timmreck, C., Kutterolf, S. und Freundt, A. (2008) SFB 574: Modelling climate effects and feedbacks of past Central and South American major volcanic eruptions. [Poster] In: IAVCEI 2008. , 18.08, Reykjavik, Iceland .


Krüger, K., Hansteen, T. , Timmreck, C., Kutterolf, S. und Freundt, A. (2008) SFB 574: Modelling climate effects and feedbacks of past Central and South American major volcanic eruptions. [Poster] In: SPARC Tagung. , 04.09, Bologna, Italy .


Kutterolf, S. , Freundt, A. , Harders, R., Liebetrau, V., Mörz, T. und Perez, W. (2008) Tephrostratigraphy as a tool to date Quaternary geological processes at the Central American submarine forearc. [Poster] In: IAVCEI Generally Assembly. , 17.-22.08, Reykjavik, Iceland .


Wehrmann, H., Kutterolf, S. , Hoernle, K. , Freundt, A. , Portnyagin, M. und Heydolph, K. (2008) Continental subduction settings: reduced volatile transport of Cl and S to the surface?. [Poster] In: AGU Fall Meeting 2008. , 15.-19.12.2008, San Francisco, USA .


Burkert, C., Freundt, A. , Kutterolf, S. und Strauch, W. (2007) Geological evolution of the Xiloà Maar in Nicaragua. [Poster] In: Latin America Colloquium 2007. , 11.-13.04, Kiel .


Kutterolf, S. , Freundt, A. und Perez, W. (2007) Cyclic plinian volcanism at the Central American Volcanic Arc and along the Ring of Fire: response to climate changes?. [Poster] In: 97th Annual Meeting of the Geologische Vereinigung (GV) - The Oceans in the Earth System, International Conference 2007. , 03.-05.10, Bremen .


Wehrmann, H., Freundt, A. und Kutterolf, S. (2007) Exsolution of magmatic volatiles governing unususal eruptions: constraints on fragmentation and eruptive style of the mafic plinian Fontana eruption, Nicaragua. [Poster] In: SubFac-SEIZE Workshop. , 18.-22.06, Heredia, Costa Rica .


Wehrmann, H., Freundt, A. und Kutterolf, S. (2007) Magmatic volatile degassing governing unususal eruptions: constraints on fragmentation and eruptive style of the mafic plinian Fontana eruption, Nicaragua. [Poster] In: 97th Annual Meeting of the Geologische Vereinigung (GV) - The Oceans in the Earth System, International Conference 2007. , 01.-05.10, Bremen .


Perez, W., Freundt, A. und Kutterolf, S. (2006) Highly explosive eruptions from Masaya Caldera Complex, central Nicaragua, during the past 6,000 years: Stratigraphy, geochemistry and hazard aspects. [Poster] In: EGU General Assembly. , 02.-07.04, Vienna, Austria .


Kutterolf, S. , Schacht, U., Freundt, A. , Wehrmann, H., Mörz, T. und Schmidt, M. (2005) Vulkanische Aschen im Pazifischen Ozean vor Nicaragua und Costa Rica – Ergebnisse der Sonne Ausfahrt SO173/3. [Poster] In: SONNE Statusseminar 2005. , 09.- 11.03.2005, Rostock-Warnemünde .


Kutterolf, S. , Schacht, U., Freundt, A. , Wehrmann, H., Mörz, T., Schmidt, M. und Schmincke, H. U. (2004) Marine Tephras offshore Nicaragua and Costa Rica – Determination of sedimentation rates, eruption volumes, marine stratigraphy. [Poster] In: IAVCEI General Assembly 2004. , 14.-20.11.2004, Pucon, Chile .


Kutterolf, S. , Freundt, A. , Wehrmann, H., Schmincke, H. U. und Strauch, W. (2004) Varying volatile release during dacitic Chiltepe Pumice eruption (Nicaragua): Response to compositional changes and magma mixing?. [Poster] In: IAVCEI Generally Assembly. , 14.-20.11, Pucon, Chile .


Wehrmann, H., Freundt, A. , Kutterolf, S. , Bonadonna, C., Houghton, B. F. und Schmincke, H. U. (2004) Dynamics of the basaltic Plinian Fontana eruption, Nicaragua. [Poster] In: IAVCEI Generally Assembly. , 14.-20.11, Pucon, Chile .


Schwarzkopf, L. M., Schmincke, H. U. und Freundt, A. (1999) The block-and-ash flow and surge deposits of July 1998 eruption of Merapi Volcano, Central Java. [Poster] In: EUG 10 (European Union of Geosciences). , 28.03.-01.04.1999, Strasbourg, France .


Freundt, A. und Schmincke, H. U. (1989) Multicomponent mixing of zoned magma bodies at the transition from oceanic basaltic shield to caldera-forming silicic volcanism: P1, Gran Canaria. [Poster] In: IAVCEI General Assembly 1989. , 25.06.-01.07.1989, Santa Fe, USA .

Fahrtberichte

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Freundt, A. (2019) POS522 Cruise report. Open Access . GEOMAR, Kiel, Germany, 11 pp. DOI 10.3289/cr_pos522.

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Freundt, A. (2017) POS 513 [POS513] Cruise Report. Open Access . GEOMAR, Kiel, Germany, 18 pp. DOI 10.3289/cr_pos513.

Wochenberichte

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Freundt, A. (2018) 1. Wochenbericht POS 522 [POS522]. Open Access . NICHT SPEZIFIZIERT, 2 pp.

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Freundt, A. (2018) 2. Wochenbericht POS 522 [POS522]. Open Access . NICHT SPEZIFIZIERT, 2 pp.

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Freundt, A. (2018) 3. Wochenbericht POS 522 [POS522]. Open Access . NICHT SPEZIFIZIERT, 1 pp.

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Freundt, A. and Scientific Party POS513 (2017) 1. Wochenbericht POS513. Open Access . NICHT SPEZIFIZIERT, 3 pp.

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Freundt, A. and Scientific Party POS513 (2017) 2. Wochenbericht POS513. Open Access . NICHT SPEZIFIZIERT, 3 pp.

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Freundt, A. and Scientific Party POS513 (2017) 3. Wochenbericht POS513. Open Access . NICHT SPEZIFIZIERT, 1 pp.

Diese Liste wurde am Sat Sep 21 15:05:44 2019 CEST generiert.