Flood forecasting method, device and equipment based on field monitoring and real-time modeling

Abstract

The application relates to the technical field of flood forecasting, in particular to a flood forecasting method, device and equipment based on field monitoring and real-time modeling, wherein the method comprises the following steps: collecting terrain data files and surface data texts of a target region to construct a sub-meter DEM (Digital Elevation Model); acquiring radar real-time base data, radar and ground rainfall historical observation data, brightness temperature data and geographic coordinate information of the target region to solve actual radar real-time base data, short-term forecast data of rainstorm and soil moisture data; then, the data are used to operate a preset hydrological model to obtain a mountain torrent gully basin distributed hydrological model result; and a hydrology-hydrodynamics coupled model is established according to the sub-meter DEM digital elevation model and the mountain torrent gully basin distributed hydrological model result to forecast a current flood state and a future flood state. Therefore, the problems that a current hydrological model in a mountainous area cannot completely reflect a current state of a basin and a simulation error of a hydrodynamics model is large are solved.

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