Items where Research division is "A5"

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Number of items at this level: 70.

Articles in a Scientific Journal - peer-reviewed

[thumbnail of bg-9-4897-2012.pdf]

Altabet, M. A., Ryabenko, E., Stramma, L. , Wallace, D. W. R., Frank, M. , Grasse, P. and Lavik, G. (2012) An eddy-stimulated hotspot for fixed nitrogen-loss from the Peru oxygen minimum zone. Open Access Biogeosciences (BG), 9 . pp. 4897-4908. DOI 10.5194/bg-9-4897-2012.

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Bange, H. W. , Kock, A. , Pelz, N., Schmidt, M. , Schütte, F. , Walter, S. , Post, A. F., Jones, B. H. and Kürten, B. (2019) Nitrous oxide in the northern Gulf of Aqaba and the central Red Sea. Deep Sea Research Part II: Topical Studies in Oceanography, 166 . pp. 90-103. DOI 10.1016/j.dsr2.2019.06.015.

[thumbnail of 2011JC007762.pdf]

Banyte, D., Tanhua, T. , Visbeck, M. , Wallace, D. W. R., Karstensen, J. , Krahmann, G. , Schneider, A., Stramma, L. and Dengler, M. (2012) Diapycnal diffusivity at the upper boundary of the tropical North Atlantic oxygen minimum zone. Open Access Journal of Geophysical Research: Oceans, 117 (C9). C09016. DOI 10.1029/2011JC007762.

[thumbnail of gbc20276-sup-0001-supinfo.pdf] [thumbnail of gbc20276.pdf]

Bourbonnais, A., Altabet, M. A., Charoenpong, C. N., Larkum, J., Hu, H., Bange, H. W. and Stramma, L. (2015) N-loss isotope effects in the Peru oxygen minimum zone studied using a mesoscale eddy as a natural tracer experiment. Open Access Global Biogeochemical Cycles, 29 . pp. 793-811. DOI 10.1002/2014GB005001.

[thumbnail of 2007JC004435.pdf]

Brandt, P. , Hormann, V., Bourles, B., Fischer, J. , Schott, F., Stramma, L. and Dengler, M. (2008) Oxygen tongues and zonal currents in the equatorial Atlantic. Open Access Journal of Geophysical Research: Oceans, 113 . C04012. DOI 10.1029/2007JC004435.

[thumbnail of 2010JPO4301.pdf]

Brandt, P. , Hormann, V., Körtzinger, A. , Visbeck, M. , Krahmann, G. , Stramma, L. , Lumpkin, R. and Schmid, C. (2010) Changes in the Ventilation of the Oxygen Minimum Zone of the Tropical North Atlantic. Open Access Journal of Physical Oceanography, 40 (8). pp. 1784-1801. DOI 10.1175/2010JPO4301.1.

[thumbnail of journal.pone.0170059.pdf]

Callbeck, C. M., Lavik, G., Stramma, L. , Kuypers, M. M. M. and Bristow, L. A. (2017) Enhanced Nitrogen Loss by Eddy-Induced Vertical Transport in the Offshore Peruvian Oxygen Minimum Zone. Open Access PLoS ONE, 12 (1). e0170059. DOI 10.1371/journal.pone.0170059.

[thumbnail of os-14-731-2018.pdf] [thumbnail of os-14-731-2018-supplement.zip]

Czeschel, R., Schütte, F., Weller, R. A. and Stramma, L. (2018) Transport, properties, and life cycles of mesoscale eddies in the eastern tropical South Pacific. Open Access Ocean Science, 14 . pp. 731-750. DOI 10.5194/os-14-731-2018.

[thumbnail of 2012JC008043.pdf]

Czeschel, R., Stramma, L. and Johnson, G. C. (2012) Oxygen decreases and variability in the eastern equatorial Pacific. Open Access Journal of Geophysical Research: Oceans, 117 (C11). C11019. DOI 10.1029/2012JC008043.

[thumbnail of 2010JC006565-pip.pdf] [thumbnail of Czeschel.pdf]

Czeschel, R., Stramma, L. , Schwarzkopf, F. U. , Giese, B. S., Funk, A. and Karstensen, J. (2011) Middepth circulation of the eastern tropical South Pacific and its link to the oxygen minimum zone. Open Access Journal of Geophysical Research: Oceans, 116 . C01015. DOI 10.1029/2010JC006565.

Czeschel, R., Stramma, L. , Weller, R. A. and Fischer, T. (2015) Circulation, eddies, oxygen and nutrient changes in the eastern tropical South Pacific Ocean. Open Access Ocean Science, 11 (3). pp. 455-470. DOI 10.5194/os-11-455-2015.

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Ehlert, C., Grasse, P. , Mollier-Vogel, E., Böschen, T., Franz, J., de Souza, G. F., Reynolds, B. C., Stramma, L. and Frank, M. (2012) Factors controlling the silicon isotope distribution in waters and surface sediments of the Peruvian coastal upwelling. Geochimica et Cosmochimica Acta, 99 . pp. 128-145. DOI 10.1016/j.gca.2012.09.038.

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Franz, J., Krahmann, G. , Lavik, G., Grasse, P. , Dittmar, T. and Riebesell, U. (2012) Dynamics and stoichiometry of nutrients and phytoplankton in waters influenced by the oxygen minimum zone in the eastern tropical Pacific. Deep Sea Research Part I: Oceanographic Research Papers, 62 . pp. 20-31. DOI 10.1016/j.dsr.2011.12.004.

Frenger, I. , Bianchi, D., Stührenberg, C., Oschlies, A. , Dunne, J., Deutsch, C., Galbraith, E. and Schütte, F. (2018) Biogeochemical role of subsurface coherent eddies in the ocean: Tracer cannonballs, hypoxic storms, and microbial stewpots?. Open Access Global Biogeochemical Cycles, 32 (2). pp. 226-249. DOI 10.1002/2017GB005743.

[thumbnail of Grasse.pdf]

Grasse, P. , Ehlert, C. and Frank, M. (2013) The influence of water mass mixing on the dissolved Si isotope composition in the Eastern Equatorial Pacific. Earth and Planetary Science Letters, 380 . pp. 60-71. DOI 10.1016/j.epsl.2013.07.033.

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Grasse, P. , Stichel, T., Stumpf, R., Stramma, L. and Frank, M. (2012) The distribution of neodymium isotopes and concentrations in the Eastern Equatorial Pacific: Water mass advection versus particle exchange. Earth and Planetary Science Letters, 353/354 . pp. 198-207. DOI 10.1016/j.epsl.2012.07.044.

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Kalvelage, T., Lavik, G., Lam, P., Contreras, S., Arteaga, L., Löscher, C. R., Oschlies, A. , Paulmier, A., Stramma, L. and Kuypers, M. M. M. (2013) Nitrogen cycling driven by organic matter export in the South Pacific oxygen minimum zone. Nature Geoscience, 6 (3). pp. 228-234. DOI 10.1038/ngeo1739.

[thumbnail of bg-14-2167-2017.pdf]

Karstensen, J. , Schütte, F., Pietri, A., Krahmann, G. , Fiedler, B., Grundle, D., Hauss, H. , Körtzinger, A. , Löscher, C. R., Testor, P., Vieira, N. and Visbeck, M. (2017) Upwelling and isolation in oxygen-depleted anticyclonic modewater eddies and implications for nitrate cycling. Open Access Biogeosciences (BG), 14 (8). pp. 2167-2181. DOI 10.5194/bg-2016-34.

[thumbnail of 95_Karstensen_2008_OxygenMinimumZonesInThe_Artzeit_pubid9275.pdf] [thumbnail of 1-s2.0-S0079661108000670-main.pdf]

Karstensen, J. , Stramma, L. and Visbeck, M. (2008) Oxygen minimum zones in the eastern tropical Atlantic and Pacific oceans. Progress in Oceanography, 77 (4). pp. 331-350. DOI 10.1016/j.pocean.2007.05.009.

[thumbnail of bg-13-2889-2016.pdf] [thumbnail of bg-13-2889-2016-supplement.pdf]

Löscher, C., Bourbonnais, A., Dekaezemacker, J., Charoenpong, C. N., Altabet, M. A., Bange, H. W. , Czeschel, R. , Hoffmann, C. and Schmitz, R. (2016) N2 fixation in eddies of the eastern tropical South Pacific Ocean. Open Access Biogeosciences (BG), 13 . pp. 2889-2899. DOI 10.5194/bg-13-2889-2016.

[thumbnail of 1-s2.0-S001670372030404X-main.pdf]

Nasemann, P., Janssen, D. J., Rickli, J., Grasse, P. , Frank, M. and Jaccard, S. L. (2020) Chromium reduction and associated stable isotope fractionation restricted to anoxic shelf waters in the Peruvian Oxygen Minimum Zone. Open Access Geochimica et Cosmochimica Acta, 285 . pp. 207-224. DOI 10.1016/j.gca.2020.06.027.

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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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Ryabenko, E., Kock, A. , Bange, H. W. , Altabet, M. A. and Wallace, D. W. R. (2012) Contrasting biogeochemistry of nitrogen in the Atlantic and Pacific oxygen minimum zones. Open Access Biogeosciences (BG), 9 . pp. 203-215. DOI 10.5194/bgd-8-8001-2011.

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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.

[thumbnail of bg-10-7293-2013.pdf]

Stramma, L. , Bange, H. W. , Czeschel, R., Lorenzo, A. and Frank, M. (2013) On the role of mesoscale eddies for the biological productivity and biogeochemistry in the eastern tropical Pacific Ocean off Peru. Open Access Biogeosciences (BG), 10 (11). pp. 7293-7306. DOI 10.5194/bg-10-7293-2013.

[thumbnail of 55_Stramma_2008_OxygenMinimumZoneInThe_Artzeit_pubid9059.pdf]

Stramma, L. , Brandt, P. , Schafstall, J., Schott, F., Fischer, J. and Körtzinger, A. (2008) Oxygen minimum zone in the North Atlantic south and east of the Cape Verde Islands. Open Access Journal of Geophysical Research: Oceans, 113 . C04014. DOI 10.1029/2007JC004369.

[thumbnail of os-12-861-2016.pdf] [thumbnail of os-12-861-2016-supplement.pdf]

Stramma, L. , Fischer, T. , Grundle, D., Krahmann, G. , Bange, H. W. and Marandino, C. (2016) Observed El Niño conditions in the eastern tropical Pacific in October 2015. Open Access Ocean Science, 12 (4). pp. 861-873. DOI 10.5194/os-12-861-2016.

[thumbnail of 2009JC005976.pdf]

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

[thumbnail of 63_Stramma_2008_ExpandingOxygenminimumZonesInThe_Artzeit_pubid9084.pdf]

Stramma, L. , Johnson, G. C., Sprintall, J. and Mohrholz, V. (2008) Expanding Oxygen-Minimum Zones in the Tropical Oceans. Science, 320 . pp. 655-658. DOI 10.1126/science.1153847.

[thumbnail of bg-9-4045-2012.pdf]

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

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.

[thumbnail of bg-17-813-2020.pdf] [thumbnail of bg-17-813-2020-supplement.pdf]

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. Open Access Biogeosciences (BG), 17 . pp. 813-831. DOI 10.5194/bg-17-813-2020.

[thumbnail of 776_Stramma_2009_DeoxygenationInTheOxygenMinimum_Artzeit_pubid12321.pdf]

Stramma, L. , Visbeck, M. , Brandt, P. , Tanhua, T. and Wallace, D. W. R. (2009) Deoxygenation in the oxygen minimum zone of the eastern tropical North Atlantic. Open Access Geophysical Research Letters, 36 . L20607. DOI 10.1029/2009GL039593.

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Stramma, L. , Weller, R. A., Czeschel, R. and Bigorre, S. (2014) Eddies and an extreme water mass anomaly observed in the eastern south Pacific at the Stratus mooring. Open Access Journal of Geophysical Research: Oceans, 119 (2). pp. 1068-1083. DOI 10.1002/2013JC009470.

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Sutton, J. N., André, L., Cardinal, D., Conley, D. J., de Souza, G. F., Dean, J., Dodd, J., Ehlert, C., Ellwood, M. J., Frings, P. J., Grasse, P. , Hendry, K., Leng, M. J., Michalopoulos, P., Panizzo, V. N. and Swann, G. E. A. (2018) A Review of the Stable Isotope Bio-geochemistry of the Global Silicon Cycle and Its Associated Trace Elements. Open Access Frontiers in Earth Science, 5 (Article number 112). DOI 10.3389/feart.2017.00112.

Xie, R. C. , Rehkämper, M. , Grasse, P. , van de Flierdt, T. , Frank, M. and Xue, Z. (2019) Isotopic evidence for complex biogeochemical cycling of Cd in the eastern tropical South Pacific. Earth and Planetary Science Letters, 512 . pp. 134-146. DOI 10.1016/j.epsl.2019.02.001.

Articles in a Scientific Journal - without review

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Oschlies, A. , Brandt, P. , Schelten, C. and Stramma, L. (2012) SFB754: Climate-Biogeochemistry Interactions in the Tropical Ocean. Open Access Exchanges, 58 (17(1)). pp. 11-14.

[thumbnail of bg-2019-168.pdf] [thumbnail of bg-2019-168-supplement.pdf]

Schmidt, H., Czeschel, R. and Visbeck, M. (2019) Ventilation dynamics of the Oxygen Minimum Zone in the Arabian Sea. Open Access Biogeosciences Discussions . DOI 10.5194/bg-2019-168.

Book chapters

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

Presentations


Grevemeyer, I. (2012) Bending-related faulting and mantle serpentinization at deep-sea trenches. [Talk] 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. 9 .


Jonca, J., Giraud, M., Paulmier, A., Comtat, M., Stramma, L. and Garcon, V. (2013) Reagentless and silicate interference free electrochemical method for phosphate detection in seawater in the oxygen minimum zone off Peru. [Talk] In: ASLO Aquatic Sciences Meeting. , 17.-22.02.2013, New Orleans, USA .


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 .

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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. , 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 .


Stramma, L. (2010) Are the oxygen minimum zones of the tropical oceans expanding?. [Talk] In: Meereswissenschaftliches Kolloquium und SFB-754 Seminar. , 29.01.2010, Kiel .


Stramma, L. (2012) Changes in ocean oxygen and related effects. [Talk] In: Instituto del Mar del Peru (IMARPE). , 30.11.2012, Callao, Peru .


Stramma, L. (2014) Ocean deoxygenation trends, variability and impacts on tropical pelagic predators. [Talk] In: Ocean Science Colloquium. , 26.11.2014, Bremen, Germany .


Stramma, L. (2013) Overview on eddy observations. [Talk] In: SFB-754 Workshop The Influence of eddies on oxygen minimum zones. , 25.-26.11.2013, GEOMAR, Kiel, Germany .


Stramma, L. (2013) Sauerstoffänderungen im Ozean: Geht dem Meer die Luft aus?. [Talk] In: M-Talk, Bundesamt für Seeschifffahrt und Hydrographie. , 04.12.2013, Hamburg .


Stramma, L. and Fischer, T. (2013) Eddies observed off Peru in November and December 2012. [Talk] In: SFB-754 Workshop The Influence of eddies on oxygen minimum zones. , 25.-26.11.2013, GEOMAR, Kiel, Germany .

[thumbnail of Abstract]

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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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 .

[thumbnail of Abstract]

Stramma, L. , Czeschel, R., Schwarzkopf, F. U. , Fischer, T. and Weller, R. A. (2014) Circulation, eddies and trends in the oxygen minimum zone off Peru. Open Access [Talk] In: IMBER Open Science Conference FUTURE OCEAN. , 23.-27.06.2014, Bergen, Norway .

[thumbnail of Stramma_Gold_2017.pdf]

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


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 .

Conference posters


Altabet, M., Ryabenko, E., Stramma, L. , Wallace, D. W. R., Frank, M. , Grasse, P. and Lavik, G. (2011) Eddy hotspots for fixed nitrogen-loss from the Peru oxygen minimum zone. [Poster] In: Ocean Deoxygenation Meeting - Ocean deoxygenation and implications for marine biogeochemical cycles and ecosystems conference. , 24.-26.10.2011, Toulouse, France .


Czeschel, R., Stramma, L. and Johnson, G. (2012) Long-term oxygen changes in the equatorial eastern Pacific. [Poster] In: Ocean Sciences Meeting 2012. , 20.-24.02.2012, Salt Lake City, USA .

[thumbnail of Abstract]

Czeschel, R., Weller, R., Stramma, L. and Bigorre, S. (2014) Eastern Pacific oxygen time series from the Stratus mooring and from floats. [Poster] In: 46. International Liege Colloquium. , 06.05.2014, Lüttich, Belgium .

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Fischer, T. , Kock, A. , Arevalo-Martinez, D. L. , Dengler, M. , Brandt, P. and Bange, H. W. (2015) Multidiurnal warm layer and inhibited gas exchange in the Peruvian upwelling regime. [Poster] In: SOPRAN Annual Meeting 2015. , 17.-18.03.2015, Mainz, Germany .

[thumbnail of FB1_PO_tfischer_EGU2015.pdf]

Fischer, T. , Kock, A. , Arevalo-Martinez, D. L. , Dengler, M. , Brandt, P. , Thomsen, S. and Bange, H. W. (2015) Multidiurnal warm layer and inhibited gas exchange in the Peruvian upwelling regime. [Poster] In: EGU General Assembly 2015. , 12.–17.04.2015 , Vienna, Austria .


Kalvelage, T., Contreras, S., Paulmier, A., LaRoche, J., Stramma, L. , Frank, M. , Lavik, G. and Kuypers, M. (2011) Mapping the spatial variability of N-cycle pathways in the OMZ off Peru. [Poster] In: Ocean Deoxygenation Meeting - Ocean deoxygenation and implications for marine biogeochemical cycles and ecosystems conference. , 24.-26.10.2011, Toulouse, France .


Llanillo, P. J., Pelegri, J. L., Stramma, L. and Karstensen, J. (2013) ENSO and long-term AAIW shoaling influence on the ventilation of the tropical eastern South Pacific oxygen minimum zone. [Poster] In: EUR-OCEANS Conference - A changing ocean. , 06.-08.11.2013, Telde, Gran Canaria, Spain .


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. .


Stramma, L. , Schmidtko, S. and Oschlies, A. (2012) Tropical and subtropical ocean oxygen changes, observation to model comparison. [Poster] In: Ocean Sciences Meeting 2012. , 20.-24.02.2012, Salt Lake City, USA .


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. 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. , 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 .

This list was generated on Wed Jan 15 02:45:58 2025 CET.