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Comprehensive scheduling and evaluation technical method for flood prevention, water supply and water environment improvement of drainage basin

A water environment and watershed technology, applied in general water supply conservation, instruments, climate change adaptation, etc., can solve problems such as the accuracy of impact assessment results, complex concepts, and difficulty in effectively reflecting the actual level of single-objective dispatching of watersheds

Active Publication Date: 2018-02-23
NANJING HYDRAULIC RES INST +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The existing single-objective scheduling evaluation indicators also have the problems of complex concept, difficult to obtain, and difficult to effectively reflect the actual level of single-objective scheduling in the watershed, which affects the accuracy of the evaluation results

Method used

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  • Comprehensive scheduling and evaluation technical method for flood prevention, water supply and water environment improvement of drainage basin
  • Comprehensive scheduling and evaluation technical method for flood prevention, water supply and water environment improvement of drainage basin
  • Comprehensive scheduling and evaluation technical method for flood prevention, water supply and water environment improvement of drainage basin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0081] This example is an evaluation of the comprehensive regulation of water resources in the Taihu Lake Basin in 2013 with the goal of regulation of water supply and water ecological environment.

[0082] (1) Determination of evaluation indicators

[0083] Since this year's water resources scheduling is carried out based on water supply and water ecological environment goals, the two indicators of the discharge status of the discharge project and the representative station's over-insurance risk index for assessing the effect of flood control scheduling are not considered, and only the evaluation of water supply scheduling and watershed water quality in the basin is used. Indicators of ecological environment regulation. The evaluation indicators of water supply dispatching in the basin include: the ratio of water diversion volume and the water supply efficiency of the water diversion project reflecting the operation effect of the water diversion project, and the water level s...

Embodiment 2

[0108] This example is an evaluation of the comprehensive regulation of water resources in the Taihu Lake Basin in 2015 with the goal of flood control regulation.

[0109] (1) Determination of evaluation indicators

[0110] Since this year's water resource scheduling is carried out based on flood control objectives, while flood control scheduling needs to take into account both water supply and water ecological environment scheduling. Therefore, the evaluation indicators not only include the two indicators of the discharge status of the effluent project and the representative station over-insurance risk index for evaluating the effect of flood control operation, but also include the indicators for evaluating the water supply operation of the basin and the operation of the ecological environment of the watershed. The evaluation indicators of water supply dispatching in the basin include: the ratio of water diversion volume and the water supply efficiency of the water diversion ...

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Abstract

The invention provides a comprehensive scheduling and evaluation technical method for the flood prevention, water supply and water environment improvement of a drainage basin and belongs to the technical field of environment and ecological hydraulic technologies. The method comprises the steps of (1) constructing flood prevention, water supply and water ecological environment improvement scheduling indexes for the drainage basin; (2) constructing a calculation method for each scheduling index, and determining an evaluation standard for each scheduling index; (3) in combination with schedulingtargets for different water regime regions of the drainage basin, acquiring comprehensive scheduling index weights for different water regime regions of the drainage basin through adopting the hierarchical analysis method; (4) forming a multi-objective comprehensive scheduling and evaluation system for the flood prevention, water supply and water ecological environment improvement during differentwater regime regions of the drainage basin. Based on the technical scheme of the invention, the evaluation of the flood prevention, water supply and water ecological environment improvement scheduling of the drainage basin is comprehensively considered, and scheduling index data are easy to obtain. Evaluation standard grades are divided into optimal grade, good grade, medium grade, poor grade andbad grade and the multi-objective scheduling relation is objectively reflected by index weights. The method of the invention provides a more comprehensive and more effective evaluation method for thecomprehensive scheduling of the drainage basin and is worthy of further popularization and application.

Description

technical field [0001] The invention belongs to the technical field of environment and ecological hydraulics, and in particular relates to a technical method for comprehensive scheduling evaluation of flood control-water supply-water environment improvement in a river basin. Background technique [0002] The scheduling of river and lake water conservancy projects in the basin is an important means to avoid flood risks and optimize the allocation of water resources in the basin. With the increasingly prominent conflicts between social and economic development and resources and environment in the basin, human beings pay more and more attention to environmental quality and living health, and put forward higher and more comprehensive requirements for water conservancy dispatching in the basin, and the purpose of water conservancy dispatching in the basin is gradually emerging. Changes, from the traditional unilateral development and utilization of military, shipping, water suppl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06
CPCG06Q10/063G06Q10/0635G06Q50/06Y02A10/40Y02A20/152
Inventor 戴江玉吴时强吴修锋薛万云李敏王元元
Owner NANJING HYDRAULIC RES INST