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Flood dynamic assessment method, device, medium and equipment based on reality model

A real-world model and dynamic assessment technology, applied in instrumentation, climate change adaptation, data processing applications, etc., can solve problems such as insufficient refinement and accuracy, limited accuracy of assessment results, and lack of time-based dynamic results data.

Active Publication Date: 2020-11-13
PEARL RIVER HYDRAULIC RES INST OF PEARL RIVER WATER RESOURCES COMMISSION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional flood assessments are often carried out on the basis of flood risk map compilation tasks, and their land use data are often based on the township level, which is not detailed and accurate enough, resulting in limited accuracy of assessment results. output of evaluation results, lack of time-based dynamic result data

Method used

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  • Flood dynamic assessment method, device, medium and equipment based on reality model
  • Flood dynamic assessment method, device, medium and equipment based on reality model
  • Flood dynamic assessment method, device, medium and equipment based on reality model

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Experimental program
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Embodiment

[0102] This embodiment discloses a flood dynamic assessment method based on a real-scene model. After flood simulation is performed on the corresponding area of ​​the real-scene modeling, the method of this embodiment can perform a dynamic assessment of the flood in this area; figure 1 As shown, the specific process of the method is as follows:

[0103] Step S1, for a specific engineering research area, that is, a flood disaster research area, to obtain land use type data and socio-economic data of the research area.

[0104] In this embodiment, the land use type includes cultivated land, grassland, water area and urban and rural land, and when the type is urban and rural land, it is divided into industrial land and residential land.

[0105] Socioeconomic data include regional population, GDP, road data, resident property, agricultural output value, industrial output value and service industry output value.

[0106] For example, take a certain county A as the flood disaster ...

Embodiment 2

[0190] This embodiment discloses a real-scene model-based flood dynamic assessment device, which includes:

[0191] The data acquisition module is used to obtain land use type data and socio-economic data of the research area for a specific engineering research area;

[0192] The real scene modeling module is used to carry out real scene modeling for the key areas circled in the research area, and obtain the real scene models of the key areas;

[0193] The data fusion module is used to refine the classification and circle drawing of the land use type data for the real scene model of the key area, and then compare the refined land use type data with the originally obtained land use type data of the key area Fusion;

[0194] Flood disaster impact analysis and statistics module, which is used to integrate the land use type data of the key area, access the flood simulation results in different periods, and combine the population, GDP and road data in the social data collected for...

Embodiment 3

[0198] This embodiment discloses a storage medium, which stores a program, and when the program is executed by a processor, the real-scene model-based flood dynamic assessment method described in Embodiment 1 is implemented, as follows:

[0199] For the flood disaster research area, obtain the land use type data and socio-economic data of the research area;

[0200] Carry out real scene modeling for the key areas circled in the flood disaster research area, and obtain the real scene model of the key areas;

[0201] For the real scene model of the key area, the refined classification and circle drawing of the land use type data are carried out, and then the refined land use type data is fused with the originally acquired land use type data of the key area;

[0202] Based on the fused data of land use types in key areas, access flood simulation results in different time periods, and combine population, GDP and road data in the social data collected for this key area to analyze a...

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Abstract

The invention discloses a flood dynamic evaluation method and device based on a live-action model, a medium and equipment. The flood dynamic evaluation method includes the steps: firstly, acquiring aland utilization type and social and economic data for a flood research area; circling a key area in the research area, carrying out live-action modeling on the key area, carrying out refined classification circling of land utilization type data after modeling, and fusing the refined classification circling with the originally obtained land utilization type data of the key area; aiming at the dataobtained after fusion, accessing a flood time-phased simulation result, and carrying out flood influence analysis and statistics in each time period; and in combination with multi-industry economic data, according to a set water depth and loss rate relation curve, carrying out flood loss dynamic analysis and statistics of each time period. According to the flood dynamic evaluation method, time-phased dynamic output of flood assessment is achieved, and powerful technical support is provided for accurate and dynamic flood post-disaster influence and loss assessment under the flood real-time simulation condition.

Description

technical field [0001] The invention belongs to the technical field of flood control and disaster reduction, and in particular relates to a method, device, medium and equipment for dynamic assessment of flood disasters based on a real-scene model. Background technique [0002] The loss caused by natural disasters has become an important factor affecting economic development, social stability and national security. Among many natural disasters, rainstorms and floods have become one of the most important meteorological disasters, and due to climate change and global warming, the risk of global flood disasters will further increase in the future. Therefore, preventing rainstorm and flood disasters is of great significance to ensure the sustainable development of regional society and economy. [0003] In order to reduce the losses caused by disasters, human beings have carried out a large number of engineering and non-engineering disaster reduction actions. Blind disaster reduc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06Q50/26
CPCG06Q10/06393G06Q10/067G06Q50/265Y02A10/40
Inventor 胡晓张张炜刘壮添王汉岗宋利祥陈睿智谢华浪杨志伟陈玉超李庆敏
Owner PEARL RIVER HYDRAULIC RES INST OF PEARL RIVER WATER RESOURCES COMMISSION
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