Tracers in the Climate System
AWI/IUP Blockseminar
Monday, July 6, 2009, 9:45 - 16:00
Alfred Wegener Institute, Bremerhaven
Building F, Bussestr. 24, Seminar Room
Contact at AWI:
Dr. Martin Werner (Tel: 0471 4831-1882)
Mrs. Andrea Bleyer (Tel: 0471 4831-1760)
Programme
| 09.45 - 10.00 | Welcome |
| Tracing the Carbon Cycle | |
| 10.00 - 10.20 | Judith Hauck, BioGeoScience, AWI Bremerhaven: Data-based decadal anthropogenic CO2 accumulation in the Weddell Sea |
| 10.20 - 10.40 | Oliver Huhn, Oceanography, IUP, Uni Bremen: Transport of anthropogenic carbon across the Prime Meridian based on tracer observations |
| 10.40 - 11.00 | Martin Butzin, Geosystem Modelling, marum Uni Bremen: (What) Can we learn from radiocarbon about past ocean circulation changes? |
| 11.00 - 11.20 | Coffee Break |
| 11.20 - 11.40 | Christoph Völker, BioGeoScience, AWI Bremerhaven: Weak impact of interannual variability of Southern Ocean diatom production on CO2 uptake in a model with flexible Si:N:C:Chl ratios |
| Tracing the Water Cycle | |
| 11.40 - 12.00 | Petra Langebroek, Paleoclimate Dynamics, AWI Bremerhaven: Tracing oxygen isotopes in the climate system: examples from atmospheric and ice-sheet models |
| 12.00 - 12.20 | Benjamin Rabe, Observational Oceanography, AWI Bremerhaven: Freshwater components and transports in the Fram Strait: recent observations and changes since the late 1990s |
| 12.20 - 13.40 | Lunch Break |
| Further Tracers in the Climate System | |
| 13.40 - 14.00 | Michiel Rutgers v. d. Loeff, Marine Geochemistry, AWI Bremerhaven: GEOTRACES – About the use of marine trace elements and their isotopes |
| 14.00 - 14.20 | Michael Karcher, Sea Ice Physics, AWI Bremerhaven, and OASys, Hamburg: Modelling of marine tracers in the Arctic Ocean |
| 14.20 - 14.40 | Dagmar Kieke, Oceanography, IUP, Uni Bremen: Use of Sulphurhexafluoride as a transient tracer in the North Atlantic |
| 14.40 - 15.00 | Coffee Break |
| 15.00 - 15.20 | Sascha Brand, Atmospheric Circulations, AWI Potsdam: Influence of stratospheric ozone on Arctic Oscillation and sea-ice feedback - a global view |
| 15.20 - 15.40 | Daniela Pittauerova, Terrestrial Environmental Physics, IUP, Uni Bremen: Sediment chronology using Pb-210 and Cs-137 |
| 15.40 - 15.45 | Closing |
