Changes in the Bering Sea region

Atmosphere-Ice-Water system in the second half of the twentieth century

V. A. Luchin, I. P. Semiletov, G. E. Weller

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

We examine the long-range variability in the oceanographic regime of the Bering Sea during the second half of the twentieth century using the largest T-S data set available, containing about 58,000 stations. We focus on changes in the ice-regime and atmospheric processes over the Bering Sea and Western Arctic. Significant differences in the physical state of the Bering Sea were found between a group of anomalous 'cold' (1955, 1964, 1971, 1972, 1975, 1976, 1977, 1984, 1988) years and 'warm' (1958, 1959, 1962, 1963, 1967, 1978, 1981, 1982, 1987) years. The time-spatial EOF-analyses (product of the first components) show a general cooling in the Bering Sea in 1953-1977 and 1978-1993, and a strong 'warming' in 1977-1978. Likewise, the spatial distribution of EOF temperature (2-4 components) indicates opposite thermal states in the western and eastern part of the Bering Sea: if it becomes warmer in the eastern sector, it becomes cooler in the western. Interaction between the Aleutian Low and Siberian High determines the change over the Bering Sea Region.

Original languageEnglish
Pages (from-to)23-44
Number of pages22
JournalProgress in Oceanography
Volume55
Issue number1-2 SPEC ISS.
DOIs
Publication statusPublished - 2002
Externally publishedYes

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Bering Sea
twentieth century
ice
atmosphere
water
coolers
sea
Arctic region
cooling
warming
spatial distribution
heat
temperature

ASJC Scopus subject areas

  • Aquatic Science
  • Geology

Cite this

Changes in the Bering Sea region : Atmosphere-Ice-Water system in the second half of the twentieth century. / Luchin, V. A.; Semiletov, I. P.; Weller, G. E.

In: Progress in Oceanography, Vol. 55, No. 1-2 SPEC ISS., 2002, p. 23-44.

Research output: Contribution to journalArticle

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