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Life Sciences Commons

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Marine Biology

William & Mary

2010

ATLANTIC TIME-SERIES; PHYTOPLANKTON COMMUNITY STRUCTURE; VERTICALLY MIGRATING ZOOPLANKTON; LONG-TERM CHANGES; NORTH-ATLANTIC; SUBTROPICAL GYRE; ORGANIC-CARBON; INCREASED TEMPERATURE; OLIGOTROPHIC WATERS; ACTIVE-TRANSPORT

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Full-Text Articles in Life Sciences

Increased Ocean Carbon Export In The Sargasso Sea Linked To Climate Variability Is Countered By Its Enhanced Mesopelagic Attenuation, M. W. Lomas, Deborah K. Steinberg, T. Dickey, C.A. Carlson, N.B. Nelson, R.H. Condon, N.R. Bates Jan 2010

Increased Ocean Carbon Export In The Sargasso Sea Linked To Climate Variability Is Countered By Its Enhanced Mesopelagic Attenuation, M. W. Lomas, Deborah K. Steinberg, T. Dickey, C.A. Carlson, N.B. Nelson, R.H. Condon, N.R. Bates

VIMS Articles

Photosynthetic CO(2) uptake by oceanic phytoplankton and subsequent export of particulate organic carbon (POC) to the ocean interior comprises a globally significant biological carbon pump, controlled in part by the composition of the planktonic community. The strength and efficiency of this pump depends upon the balance of particle production in the euphotic zone and remineralization of those particles in the mesopelagic (defined here as depths between 150 and 300 m), but how these processes respond to climate-driven changes in the physical environment is not completely understood. In the Sargasso Sea, from similar to 1996-2007, we have observed a decade-long > 50% …