Small watershed flood forecasting and early warning method and terminal
A flood forecasting and small watershed technology, applied in alarms, forecasting, instruments, etc., can solve problems such as numerous parameters, inability to describe the internal mechanism of natural phenomena, and lack of clear physical meaning of model parameters, to achieve the effect of overcoming limitations.
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Embodiment 1
[0074] Please refer to Figure 1 to Figure 8 , Embodiment 1 of the present invention is:
[0075] A small watershed flood forecasting and early warning method, comprising:
[0076] Step S1. Obtain historical hydrological data and basic watershed data, build a hydrological-hydrodynamic coupling initial model based on the MIKE series software and basic watershed data, calibrate the hydrological-hydrodynamic coupling initial model through historical hydrological data, and obtain the calibrated hydrological - hydrodynamic coupling model;
[0077] combine image 3 It can be seen that step S1 corresponds to figure 2 The production of the forecast scheme in , which specifically includes:
[0078] Step S11. Obtain historical hydrological data and basic watershed data, and divide the historical hydrological data into a calibration data set and a verification data set. The historical hydrological data include historical hydrological data and historical flood data;
[0079] Step S1...
Embodiment 2
[0133] Please refer to Figure 1 to Figure 8 , the second embodiment of the present invention is:
[0134] A small watershed flood forecasting and early warning method, combining Image 6 It can be seen that the step S3 of manual forecasting is also included, which is specifically:
[0135] Step S31, receiving the running time, end time and cumulative rainfall of the forecast period sent by the client;
[0136] Among them, the running time, end time and cumulative rainfall of the forecast period from the client are obtained through the interface.
[0137] Step S32, distributing the cumulative rainfall to each time point in the forecast period according to the typical rainfall time-space distribution curve, and obtaining the manual rainfall sequence files with equal time intervals;
[0138] Among them, the manual rainfall sequence file is also in JSON format.
[0139] Step S33, run the hydrological-hydrodynamic coupling model according to the running time, end time and manu...
Embodiment 3
[0147] Please refer to figure 2 with Figure 9 , Embodiment three of the present invention is:
[0148] A small watershed flood forecasting and early warning terminal, including a memory 3, a processor 2, and a computer program stored on the memory 3 and operable on the processor 2, when the processor 2 executes the computer program, the steps of the first or second embodiment above are realized .
[0149] Among them, if a small watershed flood forecasting and early warning terminal is used as a system, then as figure 2 As shown, it includes a forecasting scheme making module, data extraction and processing module, automatic forecasting module, manual forecasting module, data statistics module, and forecasting result extraction and presentation module, and has a water and rain database and a structure database for data storage and support. The corresponding functions of each module are as follows:
[0150] Forecast plan making module: according to the forecast task, rain...
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