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Flood prevention and control method and device based on river and lake water system communication, medium and equipment

A water system and flood technology, applied in water conservancy engineering equipment, water conservancy engineering, structured data retrieval, etc., can solve problems such as the lack of careful planning of flood discharge paths, insufficient downstream flood control capabilities, and untimely downstream flood discharge.

Inactive Publication Date: 2020-07-31
GUANGZHOU INST OF GEOGRAPHY GUANGDONG ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] For flood control and discharge of reservoirs, the existing technology generally only considers the risk of the reservoir. When the water in the reservoir reaches a certain level, it is directly discharged to the downstream river channel connected with it, and then flows into the lake from the river channel. Without detailed planning, there may be risks of untimely downstream flood discharge or insufficient downstream flood control capacity

Method used

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  • Flood prevention and control method and device based on river and lake water system communication, medium and equipment
  • Flood prevention and control method and device based on river and lake water system communication, medium and equipment
  • Flood prevention and control method and device based on river and lake water system communication, medium and equipment

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Embodiment 1

[0048] This embodiment discloses a flood prevention and control method based on the connection of rivers and lakes, such as figure 1 As shown, including the following steps:

[0049] Step S1: Generate high-resolution DEM (Digital Elevation Model, Digital Elevation Model) data for the area that needs flood prevention and control, and obtain the relevant data of the Kuhe Lake wetland water system node; in this embodiment, the Kuhe Lake wetland water system node Including the location of reservoirs, lakes, wetlands and gates and dams, the relevant data of key nodes include reservoirs, lakes, wetlands, gates and dams positions and water levels, normal storage levels of reservoirs, lakes, and wetlands, reservoir water level-storage capacity curve, lake water level-water volume curve , Wetland water level-volume curve, the maximum capacity of lakes and wetlands.

[0050] Step S2, based on the DEM data of the flood prevention and control area, extract the river system after hydrological a...

Embodiment 2

[0074] This embodiment discloses a flood prevention and control system for implementing the flood prevention and control method based on the connection of rivers and lakes in the first embodiment, such as figure 2 Shown, including:

[0075] The DEM data generation module generates DEM data for areas that need to be flooded and controlled;

[0076] The data acquisition module is used to obtain relevant data of the key nodes of the Kuhe Lake wetland water system for the area that needs flood prevention and control; in this embodiment, the key nodes of the Kuhe Lake wetland water system include reservoirs, lakes, wetlands, and the location of gates and dams. The relevant data of the node includes the location and water level of reservoirs, lakes, wetlands, gates and dams, normal storage levels of reservoirs, lakes, and wetlands, reservoir water level-storage curve, lake water level-water volume curve, wetland water level-volume curve, and maximum capacity of lakes and wetlands .

[00...

Embodiment 3

[0092] This embodiment discloses a storage medium that stores a program, and when the program is executed by a processor, the method for implementing the flood prevention and control system based on the connection of the river and lake system described in Embodiment 1 is as follows:

[0093] Generate DEM data for areas that need flood prevention and control, and obtain relevant data on key nodes of the Kuhe Lake wetland water system;

[0094] Based on the DEM data of the flood prevention and control area, the river system is extracted after hydrological analysis;

[0095] Construct an evaluation index system for the key nodes of the river and lake wetland water system, including the relative elevation of the flood level of the reservoir and the lake, the relative elevation of the flood level of the reservoir and the wetland, the length of the canal system connecting the reservoir and the lake, and the relationship between the reservoir and the wetland. The length of the canal system,...

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Abstract

The invention discloses a flood prevention and control method and device based on river and lake water system communication, a medium and equipment. The method comprises the following steps: generating DEM data for an area needing flood prevention and control, and obtaining the related data of reservoir-river-lake-wetland water system nodes; based on the DEM data of the flood prevention and control area, extracting a canal water system after hydrological analysis; constructing an evaluation index system of reservoir-river-lake-wetland water system key nodes; constructing a reservoir-river-lakewetland water system communication optimization network to obtain the reservoir-river-lake-wetland water system communication optimization network; and according to the reservoir-river-lake-wetland water system communication optimization network, selecting a reservoir flood discharge path from the optimization network for a reservoir to be subjected to flood discharge. According to the method, the reservoir flood discharge path is determined in the optimization network by constructing the reservoir-river-lake wetland water system communication optimization network, so that reservoir flood canbe effectively handled, the reservoir flood can be timely, safely and effectively discharged to lakes and wetlands, and scientific and practical values are provided for flood prevention and disasterreduction.

Description

Technical field [0001] The invention relates to the field of river and lake water system connection in hydrology, flood control and drainage, and in particular to a flood prevention and control method, device, medium and equipment based on river and lake water system connection. Background technique [0002] Flood disasters are the main natural disasters in our country, which severely restrict social and economic development. Since the founding of New China, large-scale river governance has been carried out, and the flood control system of major rivers and key areas has been initially established. The connectivity of the river network is affected by both natural and human factors. However, in the process of rapid regional urbanization, man-made driving factors are the dominant factor in the changes in the connectivity of river and lake systems, which have a profound impact on the evolution of the connectivity of river and lake systems. For example, criss-crossing roads divide t...

Claims

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Application Information

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IPC IPC(8): G06Q50/26G06Q10/06G06Q10/04G06F16/29E02B1/00
CPCE02B1/00G06Q10/047G06Q10/06393G06Q50/26G06F16/29Y02A10/40
Inventor 赵玲玲徐飞周瑾王刚史振防
Owner GUANGZHOU INST OF GEOGRAPHY GUANGDONG ACAD OF SCI
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