EGU General Assembly 2008
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  Information - OS12 Ocean Tracers and Anthropogenic CO2 (co-listed in CL, co-sponsored by EAG)

Event Information
Since the beginning of the 1990's a number of global tracer data sets have been collected, along with global CO2 data sets. These data sets are increasingly being used, frequently in multi-tracer studies, to gain new insight into ocean circulation, water mass transformation processes and rates, and uptake of CO2 by the ocean. This session will highlight new directions of tracer applications in oceanography and ocean carbon studies. Specific topics considered for presentation include: (1) The use of observations in model simulations of ocean circulation and carbon fluxes, (2) The penetration of anthropogenic signals from the surface into the interior of the ocean (locations of fast communication between the surface and the interior, time scales for surface - deep ocean exchange, exchange rates, use of tracers to constrain the problem), (3) Variability of ocean circulation and carbon uptake rates (time scales of variability, methods to observe the phenomenon, model simulations and comparison to observations), (4) observing system design for tracers and carbon (is the repeat hydro section design adequate?), (5) New results from CLIVAR/Carbon repeat lines, and (6) Dissolved oxygen variability and change in the ocean. We encourage contributions addressing the topics listed above using single- or multi-tracer analyses, as well as conceptual or numerical models on local to global scales with emphasis on studies that apply tracers to the problem of anthropogenic CO2 uptake.

Preliminary List of Solicited Speakers
Samar Khatiwala, Columbia University, Lamont-Doherty Earth Observatory
Monika Rhein, University of Bremen
Dorothee Bakker, University of East Anglia


General Statement
The information contained hereafter has been compiled and uploaded by the Session Organizers via the "Organizer Session Form". The Session Organizers have therefore the sole responsibility that this information is true and accurate at the date of publication, and the conference organizer cannot accept any legal responsibility for any errors or omissions that may be made, and he makes no warranty, expressed or implied, with regard to the material published.

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