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Global estimates reveal trends in temperature and precipitation over 20 years, indicating spatial changes across regions.
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.
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Semenov et al. (2026) studied this question.
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