Biogeosciences
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Articles | Volume 12, issue 23
Articles | Volume 12, issue 23
https://doi.org/10.5194/bg-12-7315-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/bg-12-7315-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 12, issue 23
Research article
 | 
14 Dec 2015
Research article |  | 14 Dec 2015

New insights into fCO2 variability in the tropical eastern Pacific Ocean using SMOS SSS

C. Walker Brown, J. Boutin, and L. Merlivat

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Short summary
Using a temperature-salinity-based extrapolation of in situ surface-fCO2, in conjunction with SMOS SSS and OSTIA SST, fCO2 is mapped within the eastern tropical Pacific Ocean (ETPO) at high spatial (0.25°) and temporal (monthly) resolution. Strong interannual and spatial variability is identified, with net outgassing of CO2 in the gulfs of Tehuantepec and Papagayo contrasting net ingassing in the Gulf of Panama. For the period of July 2010-July 2014, the ETPO was supersaturated by ~40μatm.
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