A rainfall process design method for regional rainfall artificial simulation system

A technology of artificial simulation and process design, applied in the direction of rainfall/precipitation gauge, design optimization/simulation, meteorology, etc., can solve the problem that artificial rainfall process is difficult to design with artificial rainfall process

Active Publication Date: 2020-06-16
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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Problems solved by technology

Due to the inconsistent focus between the two, it is difficult to apply the artificial rainfall process design method in the existing indoor hydrological experiment to the artificial rainfall process design in the regional hydrological process experiment research

Method used

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  • A rainfall process design method for regional rainfall artificial simulation system
  • A rainfall process design method for regional rainfall artificial simulation system
  • A rainfall process design method for regional rainfall artificial simulation system

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Embodiment Construction

[0058] The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.

[0059] refer to figure 1 , figure 1 A flowchart showing the method for forecasting rainfall in indoor areas of the study watershed; as figure 1 As shown, the method 100 includes step 101 to step 110 .

[0060] In step 101, the vector information of the research watershed is obtained, and the model watershed obtained by reducing it according to the set ratio is imported into the coverage area of ​​the indoor regional rainf...

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Abstract

The invention discloses a rainfall process design method for a regional rainfall artificial simulation system. The method comprises the steps of acquiring spatial geographic information of a researchbasin and introducing a model basin obtained by zooming out the spatial geographic information according to a set proportion into an indoor rainfall region; on the basis of a spatial division structure of the regional rainfall artificial simulation system, dividing the indoor rainfall region into several blocks and marking the blocks where the model basin is located as basin sub-blocks; adopting the daily rainfall measured by a rainfall station in the research basin and the weight of the rainfall station and basin sub-blocks for calculating the daily rainfall of the basin sub-blocks; calculating the outdoor hourly rainfall of the model basin by using the daily rainfall of the basin sub-blocks, a rainfall and rain force relationship model, the rainfall duration and the proportion of the model basin in each basin sub-block; calculating the outdoor net rainfall of the model basin; calculating an outdoor instantaneous unit line of the model basin; constructing a T-hour unit hydrograph of outdoor net rain according to the instantaneous unit line; calculating the indoor net rainfall of the model basin according to the T-hour unit hydrograph.

Description

technical field [0001] The invention relates to the field of hydrology and water resources, in particular to a rainfall process design method for a regional rainfall artificial simulation system. Background technique [0002] Regional hydrological process experiment is one of the main development directions of current hydrological experiment research, and how to scientifically set the artificial rainfall process of indoor regional hydrological process experiment according to the experimental research objectives is one of the key issues. The current artificial rainfall experiments mainly use point-scale rainfall observation data, select typical rainfall intensity and rainfall duration, and carry out artificial rainfall experiments. The experimental process emphasizes the uniformity index in the rainfall area. However, due to the temporal and spatial changes in the actual rainfall process, the research object of the regional hydrological process experiment emphasizes the simil...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/20G01W1/14
CPCG01W1/14G06F30/20
Inventor 龚家国赵勇彭玕冶运涛尚毅梓王英
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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