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Title

The carbonic system distribution and fluxes in the NE Atlantic during Spring 1991

AuthorsRíos, Aida F. ; Anderson, Thomas R.; Pérez, Fiz F.
Issue Date1995
PublisherElsevier
CitationProgress in Oceanography 35(4): 295-314 (1995)
AbstractThe potential of the North Atlantic as a sink for atmospheric CO, was investigated hystudyinatbecarbonicsystemusingdamobtzinedduringthespnngof 1991.Tbeti.seafluxofC0, was related to chlorophyll and other enviromuental variables, and tbe regeneration of carbon in the mid-ocemr studied by examining vertical sections representative of the study area. Poor ccmelations were found between pC0, and cbloropbylf throughout much of the study area, aIthougb agood correlation wa? found along 1 VW. Tbe highest air-sea fluxes ofC0, were cakulatcd for areas where cbloropbyll was highest (45”13’N, 16”04’W), and where the greatest wind speeds occuned(4705l’N,280l8’W~.ThemeanCO,fluxfromIheaunospberetotheoce;loduringthestudy period (May) was calculated as 0.65mmol m-*d-l,w hich compares well with other studies. Regression equations were developed to predict total inorganic carbon from nutrients; errors were typically less tbau Ipmol kg’. Kegeneradonofcarbon in tbemld-oceauoccurredin two principal stages: O-IOCQm and>2300m.Reeeuera~onintheupperzonewasdominatedbysofttissuecarbon(86~), witbskeletal carbon(calcite)conCributingonly 14%.Tbefractionofregeneratedcafbonofskeletalorigb1increased to 5 I Qn in the >23OOm zone.
Description20 páginas, 3 tablas, 12 figuras
Publisher version (URL)http://dx.doi.org/10.1016/0079-6611(95)80001-A
URIhttp://hdl.handle.net/10261/59975
DOI10.1016/0079-6611(95)80001-A
ISSN0079-6611
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