Abstract
The current study probed the spatial distribution and temporal variation of precipitation extremes over the Pearl River Delta region (PRD) depended on meteorological observation data for 1960-2019. The daily precipitation for the major 7 synoptic stations in the Guangdong province of China was analyzed. It is found that the spatiotemporal heterogeneity were the distribution characteristics of PRD precipitation. In terms of spatial distribution, more precipitation value in the eastern coastal areas of Guangdong province. In general, the average annual precipitation presented an increasing trend form 1960 to 2019. At the same time, the probability and intensity of extreme precipitation with increasing tendency were analyzed in this time period. It was indicated the continuing situation of climate fluctuation that adjusted the precipitation regime of Guangzhou. Summer became the season with the largest number of statistically significant trends of extreme precipitation, mostly increasing ones.
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