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Abstract <p>This paper presents an analysis of spring atmospheric blockings (SAB) in the Northern Hemisphere (NH) for the period 1992–2023. The results of the analysis indicate a significant increase in blocking activity in the NH atmosphere in recent decades. This trend is observed against the background of a general increase in near-surface temperature in the NH during the spring seasons. The following SAB parameters were used in the study: quantity, average duration, total duration, intensity, and size. Statistically significant increases were obtained for the total duration, quantity, and size of SAB, associated with an increase in the average spring near-surface temperature in the NH.</p>

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Spring Atmospheric Blockings in the Northern Hemisphere: Changes in Recent Decades (1992–2023)

  • 期刊论文

  • 发表日期：

    2025年10月1日

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  • I. I. Mokhov,
  • I. R. Eremin

摘要

Abstract

This paper presents an analysis of spring atmospheric blockings (SAB) in the Northern Hemisphere (NH) for the period 1992–2023. The results of the analysis indicate a significant increase in blocking activity in the NH atmosphere in recent decades. This trend is observed against the background of a general increase in near-surface temperature in the NH during the spring seasons. The following SAB parameters were used in the study: quantity, average duration, total duration, intensity, and size. Statistically significant increases were obtained for the total duration, quantity, and size of SAB, associated with an increase in the average spring near-surface temperature in the NH.