Mathematics – Logic
Scientific paper
May 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007georl..3410603c&link_type=abstract
Geophysical Research Letters, Volume 34, Issue 10, CiteID L10603
Mathematics
Logic
Biogeosciences: Carbon Cycling (4806), Oceanography: Biological And Chemical: Carbon Cycling (0428), Oceanography: Biological And Chemical: Biogeochemical Cycles, Processes, And Modeling (0412, 0414, 0793, 1615, 4912)
Scientific paper
This study is designed to improve the understanding of how biologically productive, cold-core cyclonic eddies affect sea surface pCO2 in the lee of the main Hawaiian Islands in the subtropical North Pacific Gyre. We identified three unique relationships between pCO2 and sea surface temperature (SST). A positive correlation between pCO2 and SST was observed in the waters surrounding the eddy suggesting surface CO2 is controlled primarily by thermodynamics. In contrast, a negative relationship was observed within the eddy core as a result of the upwelling of CO2-enriched subsurface waters. A third relationship existed throughout the rest of the eddy with reduced pCO2 suggesting a combination of biological uptake, physical upwelling and thermodynamic controls. In the absence of an eddy, this region is a CO2 sink, with the passage of the cold-core mesoscale eddy decreasing the magnitude of the sink by ~17%. However, if the general temperature correlation is used to predict pCO2 inside the cold eddy, it would overestimate the CO2 sink inside the eddy by 100%.
Benitez-Nelson Claudia
Cai Wei-Jun
Chen Feizhou
Wang Yongchen
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