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Oral Programme OS1.3

OS1.3

Changes in Arctic sea ice and ocean: observations, models and perspectives (including Fridtjof Nansen Medal Lecture)
Convener: Ursula Schauer  | Co-Conveners: Takashi Kikuchi , Yevgeny Aksenov 
Oral Programme
 / Tue, 05 Apr, 10:30–12:00  / Room D
 / Tue, 05 Apr, 13:30–17:00  / Room 6
Poster Programme
 / Attendance Wed, 06 Apr, 17:30–19:00  / Display Wed, 06 Apr, 08:00–19:30  /  / Attendance 17:30–19:00  / Display Wed, 06 Apr, 08:00–19:30
 / Attendance Wed, 06 Apr, 17:30–19:00  / Display Wed, 06 Apr, 08:00–19:30  /  / Attendance 17:30–19:00  / Display Wed, 06 Apr, 08:00–19:30
 / Attendance Wed, 06 Apr, 17:30–19:00  / Display Wed, 06 Apr, 08:00–19:30  /  / Attendance 17:30–19:00  / Display Wed, 06 Apr, 08:00–19:30
 / Attendance Wed, 06 Apr, 17:30–19:00  / Display Wed, 06 Apr, 08:00–19:30  /  / Attendance 17:30–19:00  / Display Wed, 06 Apr, 08:00–19:30  / Halls X/Y
Poster Summaries & DiscussionsPSD72  / Wed, 06 Apr, 13:30–14:15  /  

Tuesday, 5 April 2011
Room D
Chairperson: Ursula Schauer
10:30–11:30
EGU2011-14180
Arctic Ocean circulation and variability - advection and external forcing encounter constraints and local processes (Fridtjof Nansen Medal Lecture)
Bert Rudels
11:30–12:00
Discussions

LUNCH BREAK

Tuesday, 5 April 2011
Room 6
Chairperson: Takashi Kikuchi and Cornelia Koeberle
Drivers of sea-ice

13:30–13:45
EGU2011-8821
Arctic Ocean warming contributes to reduced polar ice cap (solicited)
Igor Polyakov and the jpo4339
13:45–14:00
EGU2011-10748
Sea-ice data assimilation in coupled climate models - are ice concentration observations sufficient?
Steffen Tietsche, Dirk Notz, Johann Jungclaus, and Jochem Marotzke
14:00–14:15
EGU2011-2186
CO2 as a driver of sea ice tipping points
Chao Li, Dirk Notz, and Jochem Marotzke
14:15–14:30
EGU2011-3460
On trends in Arctic sea-ice motion: spatial distribution, significance, and the role of the ocean
Torge Martin, Rüdiger Gerdes, and Frank Kauker
Arctic Ocean circulation changes

14:30–14:45
EGU2011-11233
Should we modify our understanding of surface and mid-depth circulation of the Arctic Ocean? (solicited)
Michael J. Karcher
14:45–15:00
EGU2011-10598
Arctic Pathways of the Pacific Water: the Arctic Ocean Model Intercomparison Experiments
Yevgeny Aksenov, Beverly de Cuevas, Ruediger Gerdes, Elena Golubeva, Michael Karcher, Frank Kauker, An Nguyen, Gennady Platov, Andrey Proshutinsky, and Eiji Watanabe and the Martin Wadley (7) and Rebecca Woodgate (8). The Arctic Ocean Model Intercomparison Project, The Pacific Water Experiment
COFFEE BREAK
15:30–15:45
EGU2011-5190
Surface freshening in the Arctic Ocean's Eurasian Basin: an apparent consequence of recent change in the wind-driven circulation
Mary-Louise Timmermans, Andrey Proshutinsky, Richard Krishfield, Donald Perovich, Jacqueline Richter-Menge, and John Toole
15:45–16:00
EGU2011-7476
An assessment of Arctic Ocean freshwater content changes from the 1990s to the 2006 - 2008 period and beyond
Benjamin Rabe, Michael Karcher, Ursula Schauer, John M. Toole, Richard A. Krishfield, Sergey Pisarev, Frank Kauker, Rüdiger Gerdes, and Takashi Kikuchi
16:00–16:15
EGU2011-11854
Changes in age structure and freshwater composition in the Switchyard region of the Arctic Ocean
Peter Schlosser, Rebecca Chan, Robert Newton, William Smethie, and Ronny Friedrich
16:15–16:30
EGU2011-687 | presentation
Climatic variability of the thermohaline structure of the Arctic Ocean surface layer and its conditioning factors
Ekaterina Chernyavskaya and Leonid Timokhov
16:30–16:45
EGU2011-4643
Model simulations of Arctic fresh water balance variability
Gennady Platov, Elena Golubeva, and Viktor Kuzin
16:45–17:00
EGU2011-10719
Modeling the Arctic hydrologic cycle and its variability
Laura Niederdrenk, Dmitry Sein, and Uwe Mikolajewicz