Section 37
Chapter 36,122

Interannual variability of Pacific summer waters in the Arctic Ocean

Coimbra, Joao Carlos; Pinto, Iraja Damiani; Wurdig, Norma Luiza; Do Carmo, Dermeval Aparecido

Doklady Earth Sciences 438(1): 730-732


ISSN/ISBN: 1028-334X
DOI: 10.1134/s1028334x11050345
Accession: 036121086

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This work is devoted to study of interannual variability of characteristics of Pacific summer waters (PSWs) supplied into the AO in summer. The distribution area, volume, and heat content of PSWs have been calculated for the first time for the entire Arctic Basin in the periods of 195 1989 and 28 29 demonstrating the presence of substantial interannual variability. From 1953 until 1983 a negative trend and since 1984 a positive trend have been observed; the latter lasted until 29, when the heat content, volume, and distribution area of PSWs reached their maximal values for the entire period considered. It has been shown that PSW quantity in the Arctic Basin, identified by temperature, rather depends on the intensity of heat flux through the Bering Strait, and the calculated value for PSW life in the Arctic Basin is seven years.

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