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Abstract <p>Twenty-year trends in annual mean surface air temperature (°C/year) and annual precipitation (%/year) were calculated for 1940–2020. The source data were the HadCRUT5 Analysis version 5.0.2.0 and ERA5 reanalysis. Global estimates and spatial distributions (the values characterizing 5° ×&#xa0;5° latitude-longitude boxes) were obtained for four consecutive 20-year periods. Corresponding maps were drawn, and changes in the 20-year trends in space and time were described.</p>

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Global Estimates and Spatial Distribution of 20-year Trends in Annual Mean Temperature and Annual Precipitation in 1940–2020

  • 期刊论文

  • 发表日期：

    2026年3月1日

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  • S. M. Semenov,
  • K. M. Kutuzova,
  • N. Yu. Dobrolyubov

摘要

Abstract

Twenty-year trends in annual mean surface air temperature (°C/year) and annual precipitation (%/year) were calculated for 1940–2020. The source data were the HadCRUT5 Analysis version 5.0.2.0 and ERA5 reanalysis. Global estimates and spatial distributions (the values characterizing 5° × 5° latitude-longitude boxes) were obtained for four consecutive 20-year periods. Corresponding maps were drawn, and changes in the 20-year trends in space and time were described.