Oceanic uptake rate of anthropogenic CO2 in a subpolar marginal sea: The Sea of Okhotsk

Details Oceanic uptake rate of anthropogenic CO2 in a subpolar marginal sea: The Sea of Okhotsk Oceanic uptake rate of anthropogenic CO2 in a subpolar marginal sea: The Sea of Okhotsk

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30xoce4w&link_type=abstract

Geophysical Research Letters, Volume 30, Issue 24, pp. OCE 4-1, CiteID 2252, DOI 10.1029/2003GL018057

Mathematics

Logic

3

Oceanography: Biological And Chemical: Carbon Cycling, Oceanography: Biological And Chemical: Gases, Oceanography: General: Continental Shelf Processes, Oceanography: Physical: Air/Sea Interactions (0312), Oceanography: Biological And Chemical: Biogeochemical Cycles (1615)

Scientific paper

We proposed a new simple approach for estimating the oceanic rate of increase of anthropogenic CO2 (Uanth) in a subpolar marginal sea that produces ventilated water with the sea ice formation. This approach was based only on the differences in dissolved inorganic carbon (DIC) and apparent oxygen utilization (AOU) between the ventilated water and the source water. Applying our approach to the Sea of Okhotsk for 1993, 1999 and 2000, we estimated the averaged Uanth transported into the intermediate water (UI), and in the surface water from spring to fall (USs~f) and in the surface water in winter (USw) to be 1.1 +/- 0.9 μmol kg-1 yr-1, 0.70 +/- 0.01 μmol kg-1 yr-1 and 1.1 +/- 0.9 μmol kg-1 yr-1, respectively, during the past 8 years. The accumulation rate of anthropogenic carbon was estimated as 0.78 × 1012 g C yr-1 over the entire Sea of Okhotsk.

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