Expedition Categories  >  Atmospheric Science/Weather
US Arctic GEOTRACES
Many trace elements are critical for marine life and therefore influence the functioning of ocean ecosystems and the global carbon cycle. Some trace elements are also of concern as contaminants, while others, together with a diverse array of isotopes, are used to assess modern-ocean processes and the role of the ocean in past climate change. Despite the recognised importance of trace elements and isotopes in the ocean, our ability to exploit knowledge of their attributes is limited by uncertainty about their sources, sinks, internal cycling and chemical speciation. GEOTRACES now fills this critical gap with knowledge of the marine biogeochemical cycles of trace elements and their isotopes at an unprecedented scale. Scientists from approximately 35 nations have been involved in the programme, which is designed to study all major ocean basins over the next decade. Much more information on details of the project can be found at the GEOTRACES website. r n r nThe GEOTRACES mission is as follows: r n r nTo identify processes and quantify fluxes that control the distributions of key trace elements and isotopes in the ocean, and to establish the sensitivity of these distributions to changing environmental conditions. We will do this by sampling the water column, sediments, sinking particles, atmospheric deposition, snow, and ice. r n Where Are They?
EQ Expedition No. Expedition Leader  
EXP11973 EQ Admin  
Countries Covered Areas Covered
Arctic
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http://www.polartrec.com/expeditions/us-arctic-geotraces
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EQ Expedition No. Expedition Leader   Team Size
EXP11973
Project Cost. Seeking Additional Funding?
No
Countries Covered Areas Covered
Arctic
Expedition Website
http://www.polartrec.com/expeditions/us-arctic-geotraces
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Atmospheric Science/Weather
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July 2017
SUN
 
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