Method, device and reactor for constructing a water ecological state reactor in an urban area

Abstract

The invention relates to the technical field of water ecological quality evaluation, and discloses a construction method, a device and a reactor of a water ecological state reactor in an urban area. The invention determines important indicators according to the index data corresponding to each water ecological state index of the target urban area, calculates the water ecological state score value of each water ecological state index based on the standardized value and weight of the important indicators, and determines according to the water ecological risk faced. Multiple driving factors and calculate the standardized value of each driving factor, and then use multiple linear regression to establish the regression equation of each water ecological state index and driving factor, and screen out the driving factors that have a significant impact on each water ecological state index through the significance test , and finally construct the aquatic state reactor of the target urban area with the driving factor as the input and the aquatic state comprehensive index as the output. The invention solves the technical problems that the evaluation index of the current water ecological state reactor is single, the flexibility is low, and it is not suitable for rapid urbanization areas.

Description

technical field [0001] The invention relates to the technical field of water ecological quality evaluation, in particular to a construction method, device and reactor of a water ecological state reactor in urban areas. Background technique [0002] On a global scale, both environmental changes and human activities have caused dramatic changes in regional water resources, water environment, and water ecology. The selection of different driving factors and the response mechanisms to ecology have become research hotspots. The driving factors are mainly divided into specific pressures and multiple pressures. The application of specific pressures is based on the existence of a clear pressure-response relationship, such as nutrient (such as phosphorus or nitrogen concentrations) that contribute to eutrophication of lakes, pH of lakes and rivers, biochemical oxygen demand (BOD) and organic pollution. sediment organic matter content. There are many limitations in studying the resp...

AI Technical Summary

Problems solved by technology

[0005] The invention provides a method, device and reactor for constructing an urban area water ecological state reactor. The constructed urban area water ecological state reactor can calculate the water ecological state comprehensive index of the urban area under different driving factors, and can quickly determine the urban area The degree of response of the water ecological state to internal and external environmental changes solves the technical problem that the current water ecological state reactor has a single evaluation index, low flexibility, and is not suitable for rapid urbanization areas

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