摘要
本文采用M-K检验方法和相关分析方法 ,结合辽宁东部区域降水站点数据,对比TRMM和GSMaP两种卫星遥感降水数据在辽宁东部地区的适用性和精度。研究结果表明:在年尺度上,GSMaP和TRMM降水数据和实测降水之间相关系数分别为0.62和0.36;在季节尺度上,两种卫星遥感降水数据均在夏季和实测降水相关性最高,且M-K检验值最高。在月尺度上,GSMaP卫星遥感降水数据和实测降水之间的差距小于TRMM卫星遥感降水数据。研究成果对于卫星遥感降水数据的应用分析提供参考价值。
In this paper,the applicability and accuracy of TRMM and GSMap data of two remote sensing pre- cipitation products in eastern Liaoning are compared with M-K test method and correlation analysis method, combined with regional precipitation data of eastern Liaoning.The results show that the correlation coefficients between the rainfall data of GSMap and TRMM are 0.62 and 0.36 respectively on the annual scale.On the sea- sonal scale,the correlation between the two satellite precipitation data is the highest in summer and the pre- cipitation Check the highest value.On the monthly scale,the gap between the GSMap satellite remote sensing precipitation data and the measured rainfall is less than the TRMM satellite remote sensing precipitation data. The research results can provide reference value for the application analysis of satellite remote sensing precip- itation data.
出处
《吉林水利》
2017年第4期32-35,43,共5页
Jilin Water Resources
关键词
TRMM卫星遥感降水数
GSMaP卫星遥感降水数据
M-K检验
相关性分析
适用性分析
精度对比分析
辽宁东部区域
TRMM satellite remote sensing precipitation number
GSMap satellite remote sensing precipitationdata
M-K test
correlation analysis
applicability analysis
accuracy comparative analysis
eastern Liaoning re-gion
作者简介
景淑娟（1966-），女，高级工程师，现从事陆地水文工作。
