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Modification of NO, PO, and NO/PO during flow across the Bering and Chukchi shelves: Implications for use as Arctic water mass tracers

The NO and PO tracers (9[NO3−] + O2 and 135[PO4−] + O2, respectively,) and their derivative NO/PO have found increasing use in Arctic water mass analyses for identifying the specific basin or shelf areas from which surface waters originate, based upon assumed differences in Pacific‐ and Atlantic‐der...

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Bibliographic Details
Published in:Journal of Geophysical Research 1999-04, Vol.104 (C4), p.7827-7836
Main Authors: Cooper, Lee W., Cota, Glenn F., Pomeroy, Lawrence R., Grebmeier, Jacqueline M., Whitledge, Terry E.
Format: Article
Language:English
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Summary:The NO and PO tracers (9[NO3−] + O2 and 135[PO4−] + O2, respectively,) and their derivative NO/PO have found increasing use in Arctic water mass analyses for identifying the specific basin or shelf areas from which surface waters originate, based upon assumed differences in Pacific‐ and Atlantic‐derived content and basin‐to‐basin differences within the Arctic. Following shipboard sampling in June‐September 1993 and May‐June 1994, both north and south of Bering Strait, we have found evidence that Pacific‐derived waters flowing north to Bering Strait do not necessarily have any unique NO, PO, or NO/PO identity that would permit unequivocal use as a water mass tracer. In particular, NO/PO ratios in the Bering Sea continental shelf (
ISSN:0148-0227
2169-9275
2156-2202
2169-9291
DOI:10.1029/1999JC900010