长三角地区常用遥感降水产品质量评估

长三角地区是中国经济最发达地区之一,选定较好的卫星降水产品是进行科学防灾减灾的重要环节.基于地面气象站降水实测数据,采用7种指标对目前中外常用遥感降水产品热带降水任务卫星(tropical rainfall measurement mission,TRMM)、气候预测中心校正产品(climate prediction ...

Study on the Quality Evaluation of Precipitation Products Commonly Used by Remote Sensing in the Yangtze River Delta

The Yangtze River Delta region is one of the most economically developed regions in China. Choosing better satellite precipitation products is an important part of scientific disaster prevention and mitigation. In this study, we use seven indicators to evaluate the applicability of remote sensing precipitation products TRMM, CMORPH, GPM, and CMPA in the Yangtze River Delta region based on the precipitation data from the weather stations. The results show that on the annual scale, the CMPA product quality is the best, with a correlation coefficient of 0.95; on the seasonal scale, the GPM in winter is the best, and the TRMM in the summer is the best; the product quality in plain areas is better than mountain areas. High-precision products that incorporate precipitation-rich products will become important data for scientific disaster prevention and mitigation in the future.