What question did this study set out to answer?

To analyze changes in extreme precipitation events in China under different climate change scenarios.

March 25, 2026AtmosphereOpen Access

Spatiotemporal Heterogeneity of Intensifying Extreme Precipitation in China During the 21st Century and Its Asymmetric Climate Response

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Climate change intensifies extreme precipitation in China, indicating significant regional impacts on water resources and agriculture.

To analyze changes in extreme precipitation events in China under different climate change scenarios.
Utilized 10 CMIP5 simulations downscaled to 0.25° resolution via NEX-GDDP.
Analyzed seven precipitation climate extreme indices and probability ratios using the GEV model.
Evaluated projections under RCP4.5 and RCP8.5 scenarios.
Projected annual precipitation increases by 1.4%/decade under RCP4.5 and 2.9%/decade under RCP8.5.
Significant increases observed in winter (13.59%/decade) and spring (4.30%/decade).
Marked intensification of precipitation extremes, particularly in Southwest China and the Tibetan Plateau.
Greater increases in probability ratios for more extreme precipitation events, with a higher magnitude under RCP4.5 compared to RCP8.5.

Li et al. (2026) studied this question.

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