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Abstract <p>This paper examines the changes in the Caspian Sea level from 1950 to 2023 with particular attention to the sharp decline observed between 2005 and 2023. During this period, global warming led to an increased frequency of atmospheric blocking of the westerly flow in summer, which resulted in rising air temperatures in the Caspian Sea region. The influence of the negative phases of the EA/WR (East Atlantic–West Russia) and NAO (North Atlantic Oscillation) patterns, which have been established after 2000, on these processes has been confirmed. It is assumed that the increase in air temperature has contributed to the intensified evaporation from the Caspian Sea surface and subsequent drop in its level.</p>

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Influence of Atmospheric Circulation Fluctuations on the Caspian Sea Level

  • 期刊论文

  • 发表日期：

    2025年12月17日

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  • E. S. Nesterov,
  • A. V. Pavlova

摘要

Abstract

This paper examines the changes in the Caspian Sea level from 1950 to 2023 with particular attention to the sharp decline observed between 2005 and 2023. During this period, global warming led to an increased frequency of atmospheric blocking of the westerly flow in summer, which resulted in rising air temperatures in the Caspian Sea region. The influence of the negative phases of the EA/WR (East Atlantic–West Russia) and NAO (North Atlantic Oscillation) patterns, which have been established after 2000, on these processes has been confirmed. It is assumed that the increase in air temperature has contributed to the intensified evaporation from the Caspian Sea surface and subsequent drop in its level.