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Number of items: 67.

Article in a Scientific Journal - peer-reviewed

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Stramma, L., Schmidtko, S., Bograd, S. J., Ono, T., Ross, T., Sasano, D. and Whitney, F. A. (2020) Trends and decadal oscillations of oxygen and nutrients at 50 to 300m depth in the equatorial and North Pacific Biogeosciences (BG), 17 . pp. 813-831. DOI 10.5194/bg-17-813-2020.

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Tuchen, F. P., Lübbecke, J. F., Schmidtko, S., Hummels, R. and Böning, C. W. (2019) The Atlantic Subtropical Cells inferred from observations Journal of Geophysical Research: Oceans, 124 (11). pp. 7591-7605. DOI 10.1029/2019JC015396.

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Vernet, M., Geibert, W., Hoppema, M., Brown, P. J., Haas, C., Hellmer, H. H., Jokat, W., Jullion, L., Mazloff, M., Bakker, D. C. E., Brearley, J. A., Croot, P., Hattermann, T., Hauck, J., Hillenbrand, C. ‐., Hoppe, C. J. M., Huhn, O., Koch, B. P., Lechtenfeld, O. J., Meredith, M. P., Naveira Garabato, A. C., Nöthig, E. ‐., Peeken, I., Rutgers van der Loeff, M. M., Schmidtko, S., Schröder, M., Strass, V. H., Torres‐Valdés, S. and Verdy, A. (2019) The Weddell Gyre, Southern Ocean: Present Knowledge and Future Challenges Reviews of Geophysics, 57 (3). pp. 623-708. DOI 10.1029/2018RG000604.

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Fischer, J., Karstensen, J., Oltmanns, M. and Schmidtko, S. (2018) Mean circulation and EKE distribution in the Labrador Sea Water level of the subpolar North Atlantic Ocean Science, 14 . pp. 1167-1183. DOI 10.5194/os-14-1167-2018.

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Oschlies, A., Brandt, P., Stramma, L. and Schmidtko, S. (2018) Drivers and mechanisms of ocean deoxygenation Nature Geoscience, 11 (7). pp. 467-473. DOI 10.1038/s41561-018-0152-2.

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Oschlies, A., Duteil, O., Getzlaff, J., Koeve, W., Landolfi, A. and Schmidtko, S. (2017) Patterns of deoxygenation: sensitivity to natural and anthropogenic drivers Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 375 (2102). p. 20160325. DOI 10.1098/rsta.2016.0325.

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Meyer, A., Sundfjord, A., Fer, I., Provost, C., Villacieros Robineau, N., Koenig, Z., Onarheim, I. H., Smedsrud, L. H., Duarte, P., Dodd, P. A., Graham, R. M., Schmidtko, S. and Kauko, H. M. (2017) Winter to summer oceanographic observations in the Arctic Ocean north of Svalbard Journal of Geophysical Research: Oceans, 122 (8). pp. 6218-6237. DOI 10.1002/2016JC012391.

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Hahn, J., Brandt, P., Schmidtko, S. and Krahmann, G. (2017) Decadal oxygen change in the eastern tropical North Atlantic Ocean Science, 13 (4). pp. 551-576. DOI 10.5194/os-13-551-2017.

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Pellichero, V., Sallée, J. B., Schmidtko, S., Roquet, F. and Charrassin, J. B. (2017) The ocean mixed-layer under Southern Ocean sea-ice: Seasonal cycle and forcing Journal of Geophysical Research: Oceans, 122 (2). pp. 1608-1633. DOI 10.1002/2016JC011970.

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Schmidtko, S., Stramma, L. and Visbeck, M. (2017) Decline in global oceanic oxygen content during the past five decades Nature, 542 (7641). pp. 335-339. DOI 10.1038/nature21399.

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Kwon, E. Y., Deutsch, C., Xie, S. P., Schmidtko, S. and Cho, Y. K. (2016) The North Pacific Oxygen Uptake Rates Over the Past Half-Century Journal of Climate, 29 (1). pp. 61-76. DOI 10.1175/JCLI-D-14-00157.1.

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Meredith, M. P., Mazloff, M., Sallee, J. B., Newman, L., Wahlin, A., Williams, M. J. M., Garabato, A. C. N., Swart, S., Monteiro, P., Mata, M. M. and Schmidtko, S. (2015) The Southern Ocean Observing System (SOOS) Bulletin of the American Meteorological Society, 96, Special supplement (7). S157-S160.

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Brandt, P., Bange, H. W., Banyte, D., Dengler, M., Didwischus, S. H., Fischer, T., Greatbatch, R. J., Hahn, J., Kanzow, T., Karstensen, J., Körtzinger, A., Krahmann, G., Schmidtko, S., Stramma, L., Tanhua, T. and Visbeck, M. (2015) On the role of circulation and mixing in the ventilation of oxygen minimum zones with a focus on the eastern tropical North Atlantic Biogeosciences (BG), 12 . pp. 489-512. DOI 10.5194/bg-12-489-2015.

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Blunden, J., Arndt, D. S. and Schmidtko, S. (2015) State of the Climate in 2014 Bulletin of the American Meteorological Society, 96 (7). ES1-ES32. DOI 10.1175/2015BAMSStateoftheClimate.1.

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Schmidtko, S., Heywood, K. J., Thompson, A. F. and Aoki, S. (2014) Multidecadal warming of Antarctic waters Science, 346 (6214). pp. 1227-1231. DOI 10.1126/science.1256117.

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Thompson, A., Heywood, K., Schmidtko, S. and Stewart, A. (2014) Eddy transport as a key component of the Antarctic overturning circulation Nature Geoscience, 7 . pp. 879-884. DOI 10.1038/ngeo2289.

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Webber, B. G. M., Matthews, A. J., Heywood, K. J., Kaiser, J. and Schmidtko, S. (2014) Seaglider observations of equatorial Indian Ocean Rossby waves associated with the Madden-Julian Oscillation Journal of Geophysical Research: Oceans, 119 (6). pp. 3714-3731. DOI 10.1002/2013JC009657.

Stramma, L., Prince, E. D., Schmidtko, S., Luo, J., Hoolihan, J. P., Visbeck, M., Wallace, D. W. R., Brandt, P. and Körtzinger, A. (2012) Expansion of oxygen minimum zones may reduce available habitat for tropical pelagic fishes Nature Climate Change, 2 (1). pp. 33-37. DOI 10.1038/NCLIMATE1304.

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Stramma, L., Oschlies, A. and Schmidtko, S. (2012) Mismatch between observed and modeled trends in dissolved upper-ocean oxygen over the last 50 yr Biogeosciences (BG), 9 (10). pp. 4045-4057. DOI 10.5194/bg-9-4045-2012.

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Schiebel, R., Brupbacher, U., Schmidtko, S., Nausch, G., Waniek, J. J. and Thierstein, H. R. (2011) Spring coccolithophore production and dispersion in the temperate eastern North Atlantic Ocean Journal of Geophysical Research: Oceans, 116 (C8). C08030. DOI 10.1029/2010JC006841.

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Stramma, L., Johnson, G. C., Firing, E. and Schmidtko, S. (2010) Eastern Pacific oxygen minimum zones: Supply paths and multidecadal changes Journal of Geophysical Research: Oceans, 115 (C9). C09011. DOI 10.1029/2009JC005976.

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Stramma, L., Schmidtko, S., Levin, L. A. and Johnson, G. C. (2010) Ocean oxygen minima expansions and their biological impacts Deep Sea Research Part I: Oceanographic Research Papers, 57 . pp. 587-595. DOI 10.1016/j.dsr.2010.01.005.

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Schmidt, S. and Send, U. (2007) Origin and Composition of Seasonal Labrador Sea Freshwater Journal of Physical Oceanography, 37 . pp. 1445-1454. DOI 10.1175/JPO3065.1.

Article in a Scientific Journal - without review

Book chapter

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Stramma, L. and Schmidtko, S. (2019) Global evidence of ocean deoxygenation Ocean deoxygenation: everyone’s problem. Causes, impacts, consequences and solutions. UNSPECIFIED, Gland, Switzerland, pp. 25-36. ISBN 978-2-8317-2013-5 DOI 10.2305/IUCN.CH.2019.13.en.


Schmidtko, S. (2018) Einfluss des Ozeans auf das Schmelzen der Eisschelfe Antarktis: TenDenZen 2018 / Jahrbuch XXVI. Übersee-Museum, Bremen, Germany, pp. 45-50. ISBN 978-3-89946-286-9

Conference paper

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Queste, B. Y., Heywood, K. J., Kaiser, J., Lee, G. A., Matthews, A., Schmidtko, S., Walker-Brown, C. and Woodward, S. W. (2012) Deployments in extreme conditions: Pushing the boundaries of Seaglider capabilities [Paper] In: Autonomous Underwater Vehicles (AUV), 2012 IEEE/OES, 24.-27.09.2012, Southampton, UK.

Conference presentation


Tuchen, F. P., Lübbecke, J. F., Schmidtko, S., Hummels, R., Böning, C. W. and Brandt, P. (2020) Mean state and seasonal to interannual variability of the Atlantic Subtropical Cells inferred from recent observations [Talk] In: Ocean Sciences Meeting 2020, 16.-21.02.2020, San Diego, USA.


Tuchen, F. P., Lübbecke, J. F., Schmidtko, S., Hummels, R. and Böning, C. W. (2019) The Atlantic Subtropical Cells inferred from observations [Talk] In: VII Seminar of the Bilateral Cooperation DOCEAN-GEOMAR, 28.10.2019, Recife, Brazil.

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Tuchen, F. P., Lübbecke, J. F. and Schmidtko, S. (2018) Characteristics of the Atlantic Subtropical Cells inferred from ARGO data [Talk] In: PIRATA 23 Meeting, 22.10.-26.10.2018, Marseille, France.

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Brandt, P., Hahn, J., Schmidtko, S. and Oschlies, A. (2018) Changes in the tropical Atlantic oxygen minimum zone in perspective of global ocean deoxygenation [Invited talk] In: THEMES 2018 - Oceanic and atmospheric variability, from long-term trends to abrupt shifts, 28.-30.11.2018, Venice, Italy.

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Brandt, P., Hahn, J. and Schmidtko, S. (2018) Drivers and mechanisms of thermocline oxygen changes in the eastern tropical North Atlantic [Invited talk] In: Ocean Deoxygenation Conference 2018, 03.-07.09.2018, Kiel, Germany.


Lüdke, J., Dengler, M., Krahmann, G., Schmidtko, S., Thomsen, S. and Visbeck, M. (2018) Eastern boundary circulation and hydrography off Peru during the 2017 Coastal El Nino [Talk] In: Ocean Science Meeting 2018, 12.-16.02.2018, Portland, OR, USA.


Lüdke, J., Clemens, D., Dengler, M., Krahmann, G., Schmidtko, S., Sommer, S., Thomsen, S. and Visbeck, M. (2018) Intra-seasonal variability of the eastern boundary circulation off Peru and biogeochemical consequences [Talk] In: Ocean Deoxygenation Conference 2018, 03.-07.09.2018, Kiel, Germany.


Stramma, L., Schmidtko, S. and Visbeck, M. (2018) Large-scale ocean oxygen changes [Invited talk] In: 4. Effects of Climate Change on the World's Ocean Symposium, 04.-09.06.2018, Washington, USA.

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Brandt, P., Schmidtko, S. and Hahn, J. (2018) Oxygen changes in the tropical North Atlantic in connection to meridional overturning circulation and subtropical cell variability [Talk] In: PIRATA 23 Meeting, 22.10.-26.10.2018, Marseille, France.

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Stramma, L., Schmidtko, S. and Visbeck, M. (2017) Deoxygenation of the ocean [Talk] In: Goldschmidt Conference 2017, 13.-18.08.2017, Paris, France.

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Hahn, J., Brandt, P., Schmidtko, S. and Krahmann, G. (2016) Interplay of oxygen and hydrography in the eastern tropical North Atlantic on decadal to multi-decadal time scales [Talk] In: EGU General Assembly 2016, 17.-22.04.2016, Vienna, Austria.

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Brandt, P., Hahn, J., Schütte, F., Fischer, T., Karstensen, J., Greatbatch, R. J., Dengler, M., Körtzinger, A., Krahmann, G., Schmidtko, S., Stramma, L., Tanhua, T. and Visbeck, M. (2016) Oxygen variability in the eastern tropical North Atlantic oxygen minimum zone [Talk] In: Lamont Doherty Earth Observatory at Columbia University, 11.03.2016, Palisades, NY, USA.

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Brandt, P., Dengler, M., Didwischus, S. H., Fischer, T., Greatbatch, R. J., Hahn, J., Karstensen, J., Körtzinger, A., Krahmann, G., Schmidtko, S., Stramma, L., Tanhua, T. and Visbeck, M. (2015) On the role of circulation and mixing in the ventilation of the oxygen minimum zone of the eastern tropical North Atlantic [Talk] In: RSMAS, 09.03.2015, Miami, Fla., USA.

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Prince, E., Hoolihan, J., Luo, J., Palma, C., Stramma, L. and Schmidtko, S. (2014) Expanding oxygen minimum zones, tropical pelagic predators, and Atlantic fisheries that exploit them [Talk] In: 46. International Liege Colloquium, 05.-09.05.2014, Liege, Belgium.


Schmidtko, S. (2014) Global Mapping in a Nutshell [Talk] In: 2. International Ocean Research Conference, 17.-21.11.2014, Barcelona, Spain.

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Stramma, L., Czeschel, R. and Schmidtko, S. (2014) Global oxygen changes and oxygen variability in the eastern Pacific off Peru [Invited talk] In: 46. International Liege Colloquium, 06.05.2014, Lüttich, Belgium.


Oschlies, A., Koeve, W. and Schmidtko, S. (2014) Global patterns of deoxygenation deduced from observations and CMIP5 models [Talk] In: 46. International Liege Colloquium, 05.-09.05.2014, Liege, Belgium.

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Stramma, L. and Schmidtko, S. (2014) Observed global oxygen: deoxygenation trends and variability [Talk] In: 2. International Ocean Research Conference, 17.-21.11.2014, Barcelona, Spain.

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Brandt, P., Bange, H. W., Banyte, D., Dengler, M., Didwischus, S. H., Fischer, T., Greatbatch, R. J., Hahn, J., Kanzow, T., Karstensen, J., Körtzinger, A., Krahmann, G., Schmidtko, S., Stramma, L., Tanhua, T. and Visbeck, M. (2014) On the role of circulation and mixing in the ventilation of the oxygen minimum zone of the eastern tropical North Atlantic [Talk] In: 1. International Conference AWA “Ecosystem approach to the management of fisheries and the marine environment in West African Waters”, 11.12.2014, Dakar, Senegal.


Schmidtko, S., Oschlies, A., Koeve, W. and Stramma, L. (2014) Oxygen observations and climate models: a global perspective [Talk] In: 2. International Ocean Research Conference, 17.-21.11.2014, Barcelona, Spain.


Prince, E., Hoolihan, J., Luo, J., Palma, C., Stramma, L. and Schmidtko, S. (2013) Expanding oxygen minimum zones and impacts on tropical pelagic predators [Talk] In: 5. International Billfish Symposium, 04.-08.11.2013, Taipei, Taiwan.


Stramma, L., Weller, R. A., Czeschel, R., Bigorre, S., Schmidtko, S. and Oschlies, A. (2013) Observed large- and mesoscale oxygen changes in the ocean [Talk] In: Goldschmidt Conference 2013, 25.-30.08.2013, Florence, Italy.


Schmidt, S. and Klein, B. (2008) Klimatrends im Nordatlantik, das operationelle Ozeanbeobachtungsprogramm ARGO [Talk] In: Fortbildungstag der Deutschen Meteorologische Gesellschafft - Zweigverein München, 30.05, München.


Schmidt, S., Fischer, J., Send, U. and Visbeck, M. (2008) Seasonal and decadal variations of west Greenland current salinity and the impact on the central Labrador Sea [Talk] In: Ocean Sciences Meeting, 02.-07.03, Florida, USA.


Schmidt, S. and Send, U. (2004) Varying Labrador Sea stratification in the last decade, its correlation to local and remote Parameters [Talk] In: EGU General Assembly 2004, 25.-30.04.2004, Nice, France.


Schmidt, S. (2004) The role of haline stratification [Talk] In: CLIVAR Workshop on North Atlantic Thermohaline Circulation Variability, 13.-16.06.2004, Kiel, Germany.


Lan, H., Axelsson, M., Brupbacher, U., Schmidt, S. and Schiebel, R. (2004) The spring 2004 phytoplankton succession, R/V POSEIDON cruise 308 [POS308] [Talk] In: Swiss Global Change Day, 05.04.2004, Bern, Switzerland.


Schmidt, S. (2003) Timing and origin of seasonal freshwater influences in the Labrador Sea [Talk] In: EGS-AGU-EUG Joint Assembly, 06.- 11.04.2003, Nice, France.

Conference poster


Stramma, L., Schmidtko, S., Oschlies, A. and Visbeck, M. (2018) Drivers of long-term oxygen changes and influence of nutrient changes in the Pacific Ocean [Poster] In: Ocean Deoxygenation: Drivers and Consequences - Past/Present/Future. International Conference, 03.-07.09.2018, Kiel, Germany.


Stramma, L., Schmidtko, S., Czeschel, R. and Visbeck, M. (2016) Climate related multi-decadal variability of tropical oxygen minimum zones [Poster] In: CLIVAR Open Science Conference 2016, 18.-25.09.2016, Qingdao, China.


Stramma, L., Schmidtko, S., Oschlies, A., Visbeck, M. and Czeschel, R. (2016) Deoxygenation and climate related variability of the ocean's oxygen minimum zones [Poster] In: Ocean ventilation and deoxygenation in a warming world, 12.09.2016, Royal Society, London, UK.


Stramma, L., Czeschel, R., Schmidtko, S. and Weller, R. (2015) Observed trends in oxygen and nutrients in in oxygen minimum zones [Poster] In: Goldschmidt Conference 2015, 16.-21.08.2015, Prague, Czech Republic..


Karstensen, J., Avsic, T., Schmidt, S., Send, U., Fischer, J., Schott, F. and Müller, T. J. (2007) Time series observations in the central Labrador Sea from 1994 to 2005 [Poster] In: North­Atlantic Sub Polar Gyre Workshop, 19.-21.03, Kiel.

Thesis - not published by a publisher

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Schmidt, S. (2008) Upper Labrador Sea freshwater : seasonal to decadal (Doctoral thesis/PhD), Christian-Albrechts-Universität, Kiel, Kiel, Germany, 133 pp


Schmidt, S. (2003) Süßwassereinflüsse auf die Konvektionsaktivität in der Labradorsee (Diploma thesis), Christian-Albrechts-Universität, Kiel, 81 pp

Report - Cruise Report

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Brandt, P., Begler, C., Coelho, P., Czeschel, R., Dennert, P., Fernandez Carrera, A., Filella, A., Gindorf, S., Gomez-Letona, M., Hans, A. C., Heukamp, F., Kiko, R., Kisjeloff, B., Imbol Koungue, R. A., Kriest, I., Martens, W., Prigent, A., Ramcharitar, B., Sarmiento Lezcano, A. N., Schmidtko, S., Schrandt, J. C., Sherman, J., Stelzner, M., Stöven, T., Subramaniam, A. and Tuchen, F. P. (2019) Trans-Atlantic Equatorial cruise I, Cruise No. M158, September 19 - October 26, 2019, Walvis Bay (Namibia) - Recife (Brazil) METEOR-Berichte, M158 . UNSPECIFIED, Bremen, Germany. DOI 10.2312/cr_m158.

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Karstensen, J., Atamanchuk, D., Barboni, A., Bendinger, A., Fonseca, D., Fried, N., Holliday, P., Hundsdörfer, M., Kerrigan, E., Leimann, I., Normandeau, C., Oltmanns, M., von Oppeln-Bronikowski, N., Ribbe, J., Schmidtko, S., Suits, T. and Willis, C. (2019) Water mass transport and transformation in the western SPNA, Cruise No. MSM74, May 25 - June 26, 2018, St. John's (Canada) - Reykjavik (Iceland), Western SPNA transport Maria S. Merian-Berichte, MSM74 . UNSPECIFIED. DOI 10.2312/cr_msm74.

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Visbeck, M., Tanhua, T., Hopwood, M. J., Salvatteci Merino, F. R., L'Esperance, C., Eroglu, S., Schmidtko, S., Stramma, L., Freund, M., Gross, F. and Velazco, F. (2017) Oxygen in the Tropical Pacific POSTRE II First Tracer Survey, Cruise No. M135, March 01 - April 08, 2017, Valparaiso (Chile) - Callao (Peru) POSTRE-III UNSPECIFIED, Bonn, Germany. DOI 10.2312/cr_m135.

Report - other report

pico


Tuchen, F. P., Lübbecke, J. F., Schmidtko, S., Hummels, R. and Böning, C. W. (2019) Characteristics of the Atlantic Subtropical Cells inferred from observations [PICO] In: EGU General Assembly 2019, 07.-12.04.2019, Vienna, Austria.

This list was generated on Tue Oct 20 02:44:58 2020 CEST.