Arctic IPY activities

1

• Arctic IPY activities
• Ongoing cruises 2007
• Planned cruises 2008 2009

2
Arctic 2007

• Sea of Okhotsk, Japan IPY/GEOTRACES, Jun
  Nishioka
• Aug.- Sept., 2007

3
2008
Bering Sea Ecosystem Study (BEST). 2008, 2009,
2010. Primary production, phytoplankton
community structure, and gross/net O2
production. R/V Healy. B. Moran

• Sea of Okhotsk and discharges of Amur River
• June-July 2008. Jun Nishioka

• CATS, Canadian Archipelago Troughflow Study,
• R/V Healy, Aug. Sept. 2008. Davis Strait,
  Baffin Bay
• and Canadian Archipelago passages Contact K
  Faulkner

• DAMOCLES, Developing Arctic Modelling and
  Observing Capabilities for Long-term
  Environmental Studies. R/V Polarstern. Exchanges
  between the Arctic Ocean and the
• Nordic Seas through Fram Strait. July-Aug. 2008.
  Contact Ursular Schauer, AWI

4
International Polar Year
2008

• Nordic Land-Shelf-Basin Interaction Study
• along the Siberian Shelf Seas
• (Nordic-LSBI IPY562)
• R/V Ivan Kireev and Kapitan Dranitsyn
• (Swedish Russian expedition)

• NABOS - Nansen and Amundsen Basins
• Observational System
• (US/Rus./Can./Ger./Nor./Pol.)
• (2007 I/B Yamal)

5
Arctic
Nordic LSBI, R/V Ivan Kireev, Aug. Sept. 2008
P. Andersson, Ö. Gustafsson, J. Ingri, D.
Porcelli, I. Semiletov. (10 births) Nutrients Fe
speciation and Fe isotopes (particles) Zn, Ni,
Cd, Cu, Co, Mn? Si isotopes Ba, REE, Nd isotopes,
Ra isotopes, 234Th, 230Th/232Th, Ra
isotopes DOC, TOC, POC d13C-POC, d18O-wat TerrOC
biomarkers, 14C-TerrOC biomarkers Org.
pollutants Sediment coring (lt1m)
6
2009

• GEOTRACES Canada
• Multi-tracer investigation of the effect of
  climate change on nutrient and carbon cycles in
  the Arctic Ocean. Beaufort Sea September 2009
  ca 3 weeks (exact dates and duration still to be
  established)
• PIs Roger Francois, K. Orians, M. Maldonado, P.
  Tortell, K. Orians, J. Cullen, D. Varela

• CO2, CH4, N2O, DMS in the atmosphere. Key trace
  micoronutrient elements
• (Fe, Cu, Zn, Cd) or tracers of sources or
  processes (Al, Ba, Ga, Mn, Cr, Th, Pa). 230Th,
  231Pa, Si isotope