A risk decision-making method for reservoir flood resource utilization

A risk decision-making and flooding technology, applied in the direction of resources, data processing applications, instruments, etc., can solve problems such as reducing flood control storage capacity and increasing reservoir water storage capacity, achieving good promotion value, quantifying flood resource benefits, and strong operability. Effect

Active Publication Date: 2021-09-07
HOHAI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Raising the flood limit water level will increase the water storage capacity of the reservoir, turning the useless discarded water into usable water storage, which reduces the flood control storage capacity, which will inevitably lead to a series of risks and bring greater economic losses to the reservoir area inundation

Method used

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  • A risk decision-making method for reservoir flood resource utilization
  • A risk decision-making method for reservoir flood resource utilization
  • A risk decision-making method for reservoir flood resource utilization

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Experimental program
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Embodiment

[0045] The present invention will be described below with specific examples.

[0046] Step 1. Obtain the basic information on the utilization of reservoir flood resources in the research area.

[0047] Basic information on the utilization of reservoir flood resources in the area to be studied, including: characteristic water level of the reservoir, historical flood data of the reservoir, water resources bulletin, and statistical yearbook.

[0048] Step 2. Based on the adjustment of the flood limit water level of the reservoir, a risk decision-making model for the utilization of reservoir flood resources is constructed.

[0049] The reservoir flood resource utilization risk decision-making model constructed by the present invention is:

[0050] (1) Minimum risk rate target:

[0051]

[0052] (2) The goal of maximizing risk benefit:

[0053]

[0054] (3) Minimum risk loss target:

[0055]

[0056] where f 1 is the minimum target of risk rate; w j is the weight val...

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Abstract

The invention discloses a reservoir flood resource utilization risk decision-making method, which belongs to the technical field of reservoir flood resource utilization. It includes the following steps: Step 1, obtain the basic information of the reservoir to be studied; Step 2: Based on the adjustment of the flood limit water level of the reservoir, construct a risk decision-making model for the utilization of reservoir flood resources; Step 3: Use the AHP to identify risk factors for the utilization of reservoir flood resources , determine the main risk factors; step 4: use probability theory and mathematical statistics to calculate the risk rate of each risk index, and find the comprehensive risk rate; step 5: calculate the risk benefit based on the C-D production function method and emergy method; step 6: Calculate the risk loss based on the flood submerged area and unit area loss method; Step 7: Solve the risk decision-making model with the constraint method; Step 8: Determine the optimal balance flood limit water level adjustment plan for the utilization of reservoir flood resources. The invention provides theoretical basis for safe utilization of flood resources.

Description

technical field [0001] The invention belongs to the technical field of utilization of reservoir flood resources, and relates to a risk decision-making method for utilization of reservoir flood resources. Background technique [0002] With the rapid development of my country's economy and rapid population growth, the contradiction between supply and demand of water resources has further intensified, and various water problems have become prominent. For a long time, people have always associated floods with disasters. However, floods have the attribute of fresh water resources. Using modern technology to break through some flood control scheduling parameters and rules in the design and optimize reservoir scheduling can alleviate the current shortage of water resources. Flood resources, as unconventional water resources, have risks while utilizing flood resources to generate social and economic benefits. Reservoir flood limit water level adjustment is an effective measure for ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06Q50/06
CPCG06Q10/06312G06Q10/0635G06Q50/06Y02A10/40
Inventor 黄显峰李宛谕方国华高玉琴石志康周袆
Owner HOHAI UNIV
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