Cascade reservoir flood early warning evaluation method and system

A cascade reservoir and flood technology, applied in data processing applications, instruments, computing, etc., can solve problems such as insufficient management capabilities, aging and disrepair, and lack of basic information on reservoir operation, to improve decision-making, reduce the probability of occurrence, and ensure safety. Effect

Pending Publication Date: 2022-07-29
国家电投集团四川电力有限公司
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Problems solved by technology

At present, in addition to the general aging and disrepair of existing small and medium-sized reservoirs in my country, exceeding the standard operation, and insufficient management capabilities, what is more serious is the lack of basic information on reservoir operation, lack of perfect forecasting and early warning mechanisms and effective early warning measures

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  • Cascade reservoir flood early warning evaluation method and system
  • Cascade reservoir flood early warning evaluation method and system
  • Cascade reservoir flood early warning evaluation method and system

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Embodiment Construction

[0046] In order to enable those skilled in the art to better understand the solutions of the embodiments of the present invention, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0047] Reservoir flood warning involves the comprehensive evaluation of various evaluation indicators, and it is still difficult to define the current evaluation criteria. The specific manifestation is that there is uncertainty and ambiguity in the selection of indicators and the determination of weights, which leads to certain differences in the evaluation results to some extent, and the evaluation status values ​​presented will also be different, and even evaluations with different evaluation methods may appear. There is a lack of consistency in the results. Due to the extremely complex flood phenomenon, various factors are related to each other, and the degree of influence of each factor is not the sam...

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Abstract

The invention discloses a cascade reservoir flood early warning evaluation method and system. The method comprises the steps that rainfall information of a reservoir area and water regimen information of a cascade reservoir are collected in real time; forecasting future short-term water regimen information of the reservoirs according to the rainfall information of the reservoir areas and the water regimen information of the cascade reservoirs; constructing a unified index system which accords with the cascade reservoir and has direct and indirect influence on reservoir entering flood, and determining each index weight; according to the weight of each index, determining a comprehensive association degree grade between the observation and/or calculation result of each index and the standard cloud matter element under each flood risk grade; and determining a current flood risk level and/or an early warning signal of the reservoir according to the comprehensive association degree level of the observation and/or calculation result of each index and the standard cloud matter element under each flood risk level. According to the invention, effective information can be provided for cascade reservoir scheduling decisions, and the safety of downstream flood control objects and flood control areas can be guaranteed.

Description

technical field [0001] The invention relates to the technical field of water conservancy informatization, in particular to a cascade reservoir flood early warning evaluation method and system. Background technique [0002] Reservoir is one of the engineering measures widely used by flood control departments, which can play a role in reducing flood disasters. At present, the existing small and medium-sized reservoirs in my country are not only seriously aging and disrepaired, operating beyond the standard, and lacking in management capacity, but also lack of basic information on reservoir operation, lack of perfect forecast and early warning mechanism and effective early warning measures. If the flood forecasting and early warning in the reservoir area fails or is inaccurate, it may bring about catastrophic events such as dam flooding, dyke burst or even dam failure, which will bring major threats to the safety of hydropower stations and other engineering facilities and downs...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/26
CPCG06Q10/06393G06Q10/0635G06Q50/265
Inventor 周庆葭熊昌全张宇宁常大鹏
Owner 国家电投集团四川电力有限公司
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