The temporal and spatial consistency of precipitation will significantly affect the runoff that converges to the outlet of the basin.The hydrological gauge is an effective way to obtain the true value of precipitation.In Southwest region,spatial representativeness of existing hydrological gauge is insufficient due to restrict of terrain,transportation and communication,and it needs to implement optimization and adjustment.Taking the Yalongjiang River Basin as an exam-ple,the hydrological gauge network density was analyzed.Based on the CMORPH satellite inverse precipitation product and precipitation monitoring data in the existing hydrological gauge network,the high value range of interval precipitation and the weak area of the gauge distribution were analyzed.The results show that there are 6 areas,namely Qingda River,Huoqu,and Liqiu River,Lenggu(Xin)-Mengdigou main stream left bank area,Litang River Luosang area,Jiulong River need to consider prioritized gauge deployment during the project construction process and raise spatial representativeness of precipitation monitoring.
关键词
CMORPH/水情站网/雅砻江流域/区间/站网优化
Key words
CMORPH/hydrological gauge/Yalongjiang River Basin/region/optimization of gauge network
维普
万方数据