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Title: Differences in the biological carbon pump at three subtropical ocean sites
Authors: Neuer, Susanne
Davenport, Robert
Freudenthal, Tim
Wefer, Gerold
Llinás Gonzalez, Octavio 
Rueda, Maria Jose 
Steinberg, Deborah K.
Karl, David M.
UNESCO Clasification: 2510 Oceanografía
Issue Date: 2002
Publisher: 0094-8276
Journal: Geophysical Research Letters 
Abstract: We report primary production of organic matter andorganic carbon removal from three subtropical open oceantime-series stations, two located in the Atlantic and one in thePacific, to quantify the biological components of the oceaniccarbon pump. We find that within subtropical gyres, exportproduction varies considerably despite similar phytoplanktonbiomass and productivity. We provide evidence that theremoval of organic carbon is linked to differences in nutrientinput into the mixed layer, both from eddy induced mixingand dinitrogen fixation. These findings contribute to ourknowledge of the spatial heterogeneity of the subtropicaloceans, which make up more than 50% of all ocean area andare thought to spread in the course of CO2- induced globa warming.
ISSN: 0094-8276
DOI: 10.1029/2002GL015393
Source: Geophysical Research Letters [ISSN 0094-8276], v. 29, p. 32-1
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