C33F
Climate-Carbon-Cryosphere Interactions in the East Siberian Arctic Ocean: Past, Present, and Future I

Wednesday, 16 December 2015: 13:40-15:40
3007 (Moscone West)
Primary Conveners:  Orjan Gustafsson, Stockholm University, Stockholm, Sweden
Conveners:  Martin Jakobsson, Stockholm University, Department of Geological Sciences, Stockholm, Sweden and Igor Peter Semiletov, University of Alaska Fairbanks, Fairbanks, AK, United States
Chairs:  Orjan Gustafsson, Stockholm University, Stockholm, Sweden and Igor Peter Semiletov, University of Alaska Fairbanks, Fairbanks, AK, United States
OSPA Liaisons:  Martin Jakobsson, Stockholm University, Department of Geological Sciences, Stockholm, Sweden
13:40
C33F-01
Methane release from the East Siberian Arctic Shelf: The role of subsea permafrost and other controlling factors as inferred from decadal observational and modeling efforts (Invited) (63977)
Natalia E Shakhova, University of Alaska Fairbanks, Fairbanks, AK, United States; Tomsk Polytechnic University, Institute of Natural Resources, Tomsk, Russia and International Siberian Shelf Studies Team
14:10
C33F-02
The Origin(s) of the Methane Excess in the Shallow East Siberian Arctic Shelf Unraveled with Triple Isotope Analysis (64572)
Célia Julia Sapart1,2, Natalia E Shakhova3, Igor Peter Semiletov3, Joachim Jansen4, Denis Kosmach5, Oleg Dudarev5, Sönke Szidat6, Carina van der Veen2, Valentin Sergienko7, Anatoly Salyuk5, Vladimir Tumskoy8, Jean-Louis Tison9, Matthias Egger10 and Thomas Röckmann11, (1)Université Libre de Bruxelles, Brussel, Belgium, (2)Utrecht University, Institute for Marine and Atmospheric research Utrecht (IMAU), Utrecht, Netherlands, (3)University of Alaska Fairbanks, Fairbanks, AK, United States, (4)Stockholm University, Department of Geological Sciences and Bolin Centre for Climate Research, Stockholm, Sweden, (5)Pacific Oceanological Institute FEB RAS, Vladivostok, Russia, (6)University of Bern, 7Department of Chemistry and Biochemistry & Oeschger Centre for Climate Change Research, Bern, Switzerland, (7)Russian Academy of Sciences, Institute of Chemistry, Vladivostok, Russia, (8)Lomonosov Moscow State University, Moscow, Russia, (9)Université Libre de Bruxelles, Bruxelles, Belgium, (10)Utrecht University, Department of Earth Sciences - Geochemistry, Utrecht, Netherlands, (11)Utrecht University, Utrecht, 3584, Netherlands
14:25
C33F-03
Methane distribution in porewaters of the Eastern Siberian Shelf Sea – chemical, acoustic, and video observations (78877)
Volker Bruchert1, Joanna E Sawicka1, Vladimir Samarkin2, Riko Noormets3 and Gabrielle Jarvik Stockmann1, (1)Stockholm University, Stockholm, Sweden, (2)University of Georgia, Athens, GA, United States, (3)University Centre in Svalbard, Longyearbyen, Norway
14:40
C33F-04
Submarine Landslides along the Siberian part of Lomonosov Ridge: Triggering Mechanisms, Timing and Significance (71879)
Ruediger H Stein1, Frank Niessen1, Laura Jensen1, Kirsten Fahl1, Matthias Forwick2, Wilfried Jokat1, Jens J Matthiessen1, Michael Schreck3 and Expedition PS87 Geoscience Party, (1)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (2)Department of Geology, UiT - The Arctic University of Norway, Tromsø, Norway, Tromsø, Norway, (3)KOPRI Korea Polar Research Institute, Arctic Research Centre, Incheon, South Korea
14:55
C33F-05
Characterization of soil-derived dissolved organic matter from permafrost in northern Alaska (83371)
Laodong Guo1, Lei Gao2, Zhengzhen Zhou1 and Alberto V Reyes3, (1)Univ of Wisconsin-Milwaukee, Milwaukee, WI, United States, (2)East China Normal University, Shanghai, China, (3)University of Alberta, Edmonton, AB, Canada
15:10
C33F-06
Fate of permafrost-released organic matter in the Laptev Sea: What is its lateral transport time along the transect from the Lena delta area to the deep sea of the Arctic interior? (59253)
Lisa Bröder1, Tommaso Tesi1, Oleg Dudarev2, Igor Peter Semiletov3 and Orjan Gustafsson1, (1)Stockholm University, Stockholm, Sweden, (2)Pacific Oceanological Institute FEB RAS, Vladivostok, Russia, (3)University of Alaska Fairbanks, Fairbanks, AK, United States
15:25
C33F-07
Decadal changes in carbon fluxes at the East Siberian continental margin: interactions of ice cover, ocean productivity, particle sedimentation and benthic life (68458)
Antje Boetius, Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany
 
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