Arctic Climate System Study (ACSYS)

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Final Programme

ACSYS Final Science Conference - The ACSYS Decade and Beyond

St. Petersburg, Russia, 11-14 November 2003

Day 1 - Tuesday, 11 November 2003

08:00-09:00 Registration

09:00-09:20 Welcome, introduction and local arrangements Frolov (Rus), Fichefet (Bel), Priamikov (Rus)

Introduction Chair: Timokhov (Rus)

09:20-09:40 The Origins of ACSYS Savtchenko (WCRP, Ret.)

09:40-10:15 ACSYS, the Cryosphere, and the WCRP Lemke (Ger)

Session 1 Theme: The State of the Arctic Climate System

10:15-10:50 A decade of change in our perspectives on Arctic sea Ice Rothrock (USA)

10:50-11:20 Coffee break
Chair: Colony (USA)

11:20-11:40 Historical variability of sea ice in the Nordic Seas Divine (Nor)

11:40-12:15 The Arctic Ocean in the 1990s - advective challanges and internal response Rudels (Fin)

12:15-12:35 Multi-year and seasonal variability of the Arctic Ocean freshwater budget Timokhov (Rus)

12:35-14:00 Lunch
Chair: Oelke (USA)

14:00-14:20 Arctic Ocean salinity anomalies in response to AO-like atmospheric forcing Houssais (Fra)

14:20-14:55 Hydrology and water resources within the Arctic Ocean Drainage Area Shiklomanov (Rus)

14:55-15:15 On the factors controlling the surface and air temperatures over the Arctic sea ice in winter Pirazzini (Fin)

15:15-15:35 Detecting Arctic climate change using Köppen climate classification Wang (USA)

15:35-16:05 Coffee break

16:05-17:30 Poster introductions
Chair: Steffen (USA)

17:30-18:30 Poster session

18:30-20:00 Buffet plus poster session continued

20:00 Close (Paid bar will remain open)

Day 2 - Wednesday, 12 November 2003

Session 2 Theme: Observing the Arctic Climate System
Chair: Wilson (Can)

09:00-09:35 Historical, Seasonal and Regional Arctic Temperature Change Overland (USA)

09:35-09:55 Observations, simulations and scale interactions of the stable boundary layer over polar ice sheets Heinemann (Ger)

09:55-10:30 The Arctic hydrological cycle Rudolf (Ger)

10:30-11:00 Coffee break
Chair: Ananicheva (Rus)

11:00-11:20 Snow pack variability from satellite passive microwave data Grippa (Fra)

11:20-11:55 Arctic Ocean observations and their outcomes over the ACSYS-Decade Takizawa (Jap)

11:55-12:30 Formation and circulation of waters in the Arctic Ocean evaluated by chemical tracers Anderson (Swe)

12:30-14:00 Lunch
Chair: Dethloff (Ger)

14:00-14:20 The East-Siberian sea hydrography as an indication of atmospheric circulation over the Arctic Ocean Dmitrenko (USA)

14:20-14:40 Distribution and pathways of Atlantic Water in the Greenland Sea Walczowski (Pol)

14:40-15:15 The thickness of Arctic pack ice - advances and challanges Melling (Can)

15:15-15:35 Refinement of the Seawinds/QuikScat sea ice edge Haarpaintner (Nor)

15:35-17:00 Coffee break and poster session contd.
Chair: Anisimov (Rus)

17:00-17:35 Remote sensing observations of the Arctic climate system Drinkwater (Neth)

17:35-17:55 Arctic Ocean sea ice cover from small-scale sea ice motion: Dispelled notions and new paradigms Kwok (USA)

Session 1 contd. Theme: The State of the Arctic Climate System

17:55-18:30 Arctic Climate Change - observed and modelled temperature and sea-ice variability Johannessen (Nor)

18:30 Close

Day 3 - Thursday, 13 November 2003

Session 3 Theme: Process studies and modelling
Chair: Quadfasel (Ger)

09:00-09:35 Ocean Convection in Arctic Shelf Polynyas Schauer (Ger)

09:35-09:55 The Arctic inversion over sea ice and its representation in operational weather models Bruemmer (Ger)

09:55-10:30 Modeling the Arctic climate with global coupled models Bitz (USA)

10:30-11:00 Coffee break
Chair: Bamber (UK)

11:00-11:35 High resolution modeling of the Arctic Ocean: A decade of progress Maslowski (USA)

11:35-12:10 Data assimilation in coupled ice-ocean modelling Lisæter (Nor)

12:10-12:30 Characteristics of snowmelt runoff in the Mogot experiment watershed, in the southern mountainous taiga of eastern Siberia Suzuki (Jap)

12:30-14:00 Lunch
Chair: Khromova (Rus)

14:00-14:20 Application of the Canadian land surface scheme to modelling the Mackenzie river basin Verseghy (Can)

14:20-14:40 Effects of surface heterogeneity on the atmosphere over polar oceans Vihma (Fin)

14:40-15:00 Recent advances in our understanding of polar lows Turner (UK)

Session 4 Theme: Interactions with the Global Climate System

15:00-15:35 Arctic climate variability Alekseev (Rus)

15:35-17:00 Coffee break and poster session contd.
Chair: Isaksson (Nor)

17:00-17:35 Processes of Arctic-global ocean interactions McClimans (Nor)

17:35-17:55 The Iceland-Faroe inflow of Atlantic water to the Nordic Seas and Arctic Ocean Østerhus (Nor)

17:55-18:30 Observational evidence for Arctic/global ocean interactions at large space-time scales Dickson (UK)

18:30 Close

16:00

Day 4 - Friday, 14 November 2003

Session 4 contd. Theme: Interactions with the Global Climate System
Chair: Boscolo (Spa)

09:00-09:20 ENSO signature in North European time series of ice conditions detected by singular spectrum analysis and wavelet transformed Grinsted (Fin)

09:20-09:40 Multi-decadal variability in a long integration with the MPI-OM1 ocean model Schmith (Den)

09:40-10:00 Evaluation of snow cover and permafrost in Northern Eurasia for some climate change scenarios Shmakin (Rus)

10:00-10: Arctic climate in the 21st century Cattle (UK)

10:35-11:05 Coffee break

Session 5 ACSYS legacy
Chair: Fichefet (Bel)

11:05-11:30 Improvements in Numerical Modelling During the ACSYS Decade Flato (Can)

11:30-11:55 Improvements in Satellite and In-Situ Observations During the ACSYS Decade Steffen (USA)

11:55-12:20 Data Management and Information Support for the Arctic Climate Systems Study Moore (USA)

12:20-12:45 ACSYS Polar Products from Reanalysis Serreze (USA)

12:45-14:00 Lunch

Session 5 contd. Gaps in knowledge, opportunities and initiatives Chair: Goodison (Can)

14:00-16:00 Panel discussion Members:
Colony (USA)
Gascard (Fra)
Groisman (USA)
Laxon (UK)
Mauer (Ger)
Ohmura (Swi)
Yakovlev (Rus)

Closing remarks Fichefet (Bel), Frolov (Rus)