A climate shift in seasonal values of meteorological and hydrological parameters for Northeastern Asia

N. I. Savelieva, I. P. Semiletov, L. N. Vasilevskaya, S. P. Pugach

    Research output: Contribution to journalArticle

    68 Citations (Scopus)

    Abstract

    The well-known climate shift that occurred around 1976/1977 in the marine ecosystem of North Pacific Ocean was preceded by changes in the early 1970s over Northeastern Asia. In this paper long-term variability of Siberian High and Aleutian Low parameters, seasonal discharge of Siberian rivers and air temperature and precipitation regime in their watersheds are examined in data sets covering 1945-1995. It was found that the change in seasonal values of Siberian river discharges is a consequence of an atmospheric climatic shift that occurred in the early 1970s over North Asia. This shift was induced by a change in atmospheric circulation pattern in the Eurasian sector and Pacific sector of the Northern Hemisphere after 1970. It resulted in changes in position and intensity of the Siberian High and Aleutian Low before and after the 1970s, which induced a different pattern of precipitation in West and East Siberia. There was an increase in winter precipitation over West Siberia but a decrease over East Siberia. The period after 1970s is characterized by higher amplitude of all parameters and increases in the year-to-year variability. (C) 2000 Elsevier Science Ltd.

    Original languageEnglish
    Pages (from-to)279-297
    Number of pages19
    JournalProgress in Oceanography
    Volume47
    Issue number2-4
    DOIs
    Publication statusPublished - 2000

    Fingerprint

    Siberia
    climate
    river discharge
    marine ecosystem
    atmospheric circulation
    Northern Hemisphere
    rivers
    air temperature
    watershed
    Pacific Ocean
    winter
    river
    Asia
    parameter
    North Pacific Ocean

    ASJC Scopus subject areas

    • Aquatic Science
    • Geology

    Cite this

    A climate shift in seasonal values of meteorological and hydrological parameters for Northeastern Asia. / Savelieva, N. I.; Semiletov, I. P.; Vasilevskaya, L. N.; Pugach, S. P.

    In: Progress in Oceanography, Vol. 47, No. 2-4, 2000, p. 279-297.

    Research output: Contribution to journalArticle

    Savelieva, N. I. ; Semiletov, I. P. ; Vasilevskaya, L. N. ; Pugach, S. P. / A climate shift in seasonal values of meteorological and hydrological parameters for Northeastern Asia. In: Progress in Oceanography. 2000 ; Vol. 47, No. 2-4. pp. 279-297.
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