Mathematics – Logic
Scientific paper
Sep 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004georl..3118304k&link_type=abstract
Geophysical Research Letters, Volume 31, Issue 18, CiteID L18304
Mathematics
Logic
4
Oceanography: Biological And Chemical: Nutrients And Nutrient Cycling, Oceanography: Biological And Chemical: Carbon Cycling, Oceanography: Biological And Chemical: Biogeochemical Cycles (1615), Oceanography: Biological And Chemical: Stable Isotopes
Scientific paper
We report the first measurements of new production (15N tracer technique), the component of primary production that sustains on extraneous nutrient inputs to the euphotic zone, in the Bay of Bengal. Experiments done in two different seasons consistently show high new production (averaging around 4 mmol N m-2 d-1 during post monsoon and 5.4 mmol N m-2 d-1 during pre monsoon), validating the earlier conjecture of high new production, based on pCO2 measurements, in the Bay. Averaged over annual time scales, higher new production could cause higher rate of removal of organic carbon. This could also be one of the reasons for comparable organic carbon fluxes observed in the sediment traps of the Bay of Bengal and the eastern Arabian Sea. Thus, oceanic regions like Bay of Bengal may play a more significant role in removing the excess CO2 from the atmosphere than hitherto believed.
Kumar Sanjeev
Ramesh Ramamoorthy
Sardesai S.
Sheshshayee M. S.
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