Feasibility Study and Prospect of Discharge Measurement Based on Satellite Remote Sensing

Satellite remote sensing has the characteristics of real-time, efficient, large amount data, wide observation range and so on, which makes up for limitations traditional ground in time space, can provide new data sources areas without data. In order to study feasibility using satellite technology liquid flow measurement, this paper studies discusses technical route obstacles discharge measurement from demand hydrometry, on basis, puts forward future development direction measurement. The results show that at present, uses indirect methods extract geometric parameters hydrological hydraulic river section by satellite, calculate through model, some problems route, such as unable penetrate water body, insufficient spatial temporal resolution, low service timeliness on. On basis analysis current research, four routes, algorithm, space-time paradigm transformation, artificial intelligence algorithm it reference ideas technology.