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Method for predicting the precipitation discharge based on a whole basin rainfall runoff and hydrodynamic model

A technology for rainfall runoff and model prediction, applied in special data processing applications, complex mathematical operations, instruments, etc., can solve problems such as changes in river water level and flow, achieve consideration of calculation time, overcome excessive calculation time interval, and improve model stability. Effect

Active Publication Date: 2019-01-11
柳创新
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Problems solved by technology

However, in an actual flood event, after rainfall falls to the catchment area, it will flow into the river. After the river absorbs the water, it will cause changes in the water level and flow of the river. Changes in water level and flow

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  • Method for predicting the precipitation discharge based on a whole basin rainfall runoff and hydrodynamic model
  • Method for predicting the precipitation discharge based on a whole basin rainfall runoff and hydrodynamic model
  • Method for predicting the precipitation discharge based on a whole basin rainfall runoff and hydrodynamic model

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Embodiment Construction

[0042] The objects and functions of the present invention and methods for achieving the objects and functions will be clarified by referring to the exemplary embodiments. However, the present invention is not limited to the exemplary embodiments disclosed below; it can be implemented in various forms. The essence of the description is only to help those skilled in the relevant art comprehensively understand the specific details of the present invention.

[0043] Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings, and related technical terms should be familiar to those skilled in the art. In the drawings, the same reference numerals represent the same or similar components, or the same or similar steps, unless otherwise specified. The method for predicting precipitation flow based on the whole basin rainfall runoff and the hydrodynamic model of the present invention will be described below through specific embodiment...

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Abstract

The invention provides a method for predicting the precipitation discharge based on a whole basin rainfall runoff and hydrodynamic model, which comprises the following steps: reading the data of the whole basin, calculating the discharge of each sub-catchment area through a distributed rainfall runoff model, and simulating the spatial distribution of the rainfall runoff; The discharge of each sub-catchment is brought into the river hydrodynamic model, and the water level and discharge of the river section are obtained by calculating the river hydrodynamic model. The invention fully considers the influence of rainfall on river water level and discharge, and can improve the accuracy of rainfall discharge prediction.

Description

technical field [0001] The invention relates to the technical field of rainfall flow prediction, in particular to a method for predicting precipitation flow in the whole watershed based on rainfall runoff and a hydrodynamic model. Background technique [0002] The frequent occurrence of various natural disasters has been a threat to human life and property, among which heavy rain and flood disasters are the most. It has important guiding significance for the prediction of rainfall runoff and the reduction of losses caused by rainstorm and flood disasters, for maintaining social stability, strengthening the macro-management, optimal dispatching and development and utilization of regional water resources. [0003] The rainfall runoff forecast usually uses the Rainfall Runoff Model to calculate the outflow of the catchment area generated by the rainfall falling on the catchment area. For the prediction of the water level and flow of the river, the River Hydrodynamic Model (Rive...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50G06F17/13
CPCG06F17/13G06F30/20Y02T90/00Y02A10/40
Inventor 柳创新
Owner 柳创新
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