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Multi-region water resource supply and demand risk evaluation method and equipment

A technology for risk assessment and water resources, applied in the field of multi-regional water resource supply and demand risk assessment, can solve the problems of ignoring supply and demand coordination status assessment, unfavorable assessment and analysis results, etc.

Inactive Publication Date: 2019-09-27
BEIJING NORMAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] However, only studying the situation of water resources from the perspective of water demand or water supply ignores the evaluation of the coordination between supply and demand, which is not conducive to giving reasonable evaluation and analysis results

Method used

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  • Multi-region water resource supply and demand risk evaluation method and equipment
  • Multi-region water resource supply and demand risk evaluation method and equipment
  • Multi-region water resource supply and demand risk evaluation method and equipment

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Embodiment Construction

[0041] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0042] At present, some studies have carried out secondary supply and demand balance analysis on water resources in different years from the current situation of water resources supply and demand. Using the supply and demand analysis table, the water supply only considers the water supply in the area and the newly increased water supply after the ...

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Abstract

The embodiment of the invention provides a multi-region water resource supply and demand risk evaluation method and equipment, and the method comprises the steps: obtaining multi-region water resource data, and determining characterization indexes such as the total water resource quantity and the water resource demand quantity of multi-region water resources according to the water resource data; for each region, determining an edge probability distribution function of the total water resource quantity of the region through a maximum likelihood estimation method; according to the edge probability distribution function of the total water resource quantity of each region, constructing a joint probability distribution function of the total water resource quantity of each region through a maximum likelihood estimation method; and introducing the joint probability distribution function into a double-layer multi-objective optimization model, and constructing a double-layer multi-objective planning model based on Copula analysis so as to determine a multi-region water resource allocation scheme according to the double-layer multi-objective planning model based on Copula analysis. According to the embodiment of the invention, the water resource supply and demand conditions can be accurately analyzed, and a reasonable water resource allocation scheme is provided.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of water resource analysis, and in particular to a multi-regional water resource supply and demand risk assessment method and equipment. Background technique [0002] As urbanization continues, people are increasingly drawn to growing metropolitan areas for economic opportunity and social advantage. Rapidly developing economies and increasing demands for agricultural and industrial production have put enormous pressure on the water environment. As my country's economic and social development has entered the new normal stage, although the water resource problem has been alleviated to a certain extent, the contradiction between water supply and the shortage of supply and demand still exist, and have become one of the main problems hindering social and economic development. [0003] The researches on the supply and demand of water resources in the prior art basically all only consider...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06
CPCG06Q10/04G06Q10/0635G06Q10/06393G06Q50/06
Inventor 王浩蔡宴朋李博文李雨桐杨志峰
Owner BEIJING NORMAL UNIVERSITY
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