A monitoring point optimization method for lake water ecological effects of water diversion projects

A technology for water diversion projects and monitoring points, which is applied in the field of optimization of monitoring points for lake water ecological effects of water diversion projects, to achieve the effects of easy promotion and application, scientific and reasonable optimization results, and easy access

Active Publication Date: 2021-11-23
NANJING HYDRAULIC RES INST
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unlike small lakes, the effect of water diversion control projects on large-scale eutrophic lakes on improving lake ecology and environment is affected and restricted by many factors. It is difficult to obtain ideal results in a short period of time, and water diversion control projects often need to be operated on a regular basis.

Method used

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  • A monitoring point optimization method for lake water ecological effects of water diversion projects
  • A monitoring point optimization method for lake water ecological effects of water diversion projects
  • A monitoring point optimization method for lake water ecological effects of water diversion projects

Examples

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Embodiment 1

[0046] This example further elaborates a method for optimizing lake water ecological effect monitoring points of the water diversion project in conjunction with the "Diversion of the River to Taitai" project in the Taihu Lake Basin. The specific process is as follows:

[0047] (1) Define the scope of monitoring

[0048] The project of "Diverting the Yangtze River to Taihu Lake" diverts the Yangtze River into Taihu Lake through Wangyu River Diversion. The water receiving area is Gonghu Bay. Accordingly, it is determined that the monitoring scope of this embodiment is the upstream section of Wangyu River Wangting Water Conservancy Project and Gonghu Bay.

[0049] (2) Set monitoring section or point

[0050]According to the layout principles of river and lake monitoring sections or points in the "Technical Specifications for Surface Water and Sewage Monitoring" (HJ-T91-2002), in this embodiment, three monitoring sections are arranged at the upstream section of Wangting Water C...

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Abstract

The invention discloses a monitoring point optimization method for lake water ecological effects of a water diversion project, which belongs to the technical field of environment and ecological hydraulics. The method includes the following steps: (1) defining the geographical scope of the water ecological impact monitoring of the water diversion project lake; (2) setting the monitoring points of the water diversion channel and the water receiving lake; (3) determining the monitoring time and frequency; Biome indicators and abiotic physical and chemical indicators are used as monitoring indicators to characterize the impact of water ecology; (5) Based on the Euclidean distance coefficient of abiotic physical and chemical indicators and the Bray Curtis similarity coefficient of aquatic biome indicators, clustering and optimization of monitoring points The number of bits and the frequency of monitoring. The monitoring index involved in the invention is easy to obtain, and is convenient for large-scale implementation and application. This method can provide an effective optimization method for the water diversion project to monitor the water ecological impact of large-scale eutrophic lakes and frequency settings, and reduce the monitoring workload.

Description

technical field [0001] The invention belongs to the technical field of environment and ecological hydraulics, and in particular relates to a monitoring point optimization method for lake water ecological effects of a water diversion project. Background technique [0002] In recent years, with the increasingly serious drinking water and ecological crisis caused by the outbreak of cyanobacteria blooms in large eutrophic lakes such as Taihu Lake, Chaohu Lake and Dianchi Lake, the water diversion control project for large eutrophic lakes has attracted the attention of relevant departments and has become Important water conservancy engineering measures to alleviate cyanobacterial bloom disasters. Unlike small lakes, the effect of water diversion control projects on large-scale eutrophic lakes on lake ecology and environment improvement is affected and restricted by various factors. It is difficult to obtain ideal results in the short term, and water diversion control projects oft...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/18G06K9/62
CPCG01N33/18G01N33/1866G06F18/23
Inventor 戴江玉吴时强吴修锋薛万云杨倩倩王芳芳
Owner NANJING HYDRAULIC RES INST
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