A method and system for predicting water and sediment in strong alluvial rivers based on data assimilation
A technology of data assimilation and prediction method, applied in prediction, data processing application, special data processing application, etc., can solve problems such as low precision, inability to achieve real-time management of water resources, and inability to assist decision-making.
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Embodiment 1
[0044] figure 1 It is a flow chart of the steps of a method for predicting water and sediment of a strong alluvial river based on data assimilation provided by an embodiment of the present invention.
[0045] refer to figure 1As shown, the water and sediment prediction method provided in this embodiment is used to predict the water and sediment conditions of strong alluvial rivers based on the method of data assimilation. The specific water and sediment prediction method includes the following steps:
[0046] S101: Generate irregular triangular terrain grid units by using the terrain elevation scatter data obtained through sampling.
[0047] The terrain grid will include the corresponding triangle unit, which can be used as the discrete control body of the strong alluvial river water-sediment model. The specific generation steps are as follows: first, use the sampled terrain elevation scatter data to generate irregular triangular terrain grid units; then, for irregular trian...
Embodiment 2
[0143] image 3 A structural block diagram of a water and sediment prediction system for a strong alluvial river based on data assimilation provided by an embodiment of the present invention.
[0144] refer to image 3 As shown, the water and sediment prediction system provided in this embodiment is used to predict the water and sediment conditions of strong alluvial rivers based on the method of data assimilation. The water and sediment prediction system includes a grid unit generation module 10, an information acquisition module 20, and a model calculation module 30 , information collection module 40 and prediction output module 50 .
[0145] The grid unit generation module is used to generate irregular triangular terrain grid units by using the sampled terrain elevation scatter data.
[0146] The terrain grid will include corresponding triangular units, and the triangular units can be used as discrete control volumes of the strong alluvial river water-sediment model. Thi...
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