Water quality model based regional environment risk assessment method

A technology of water quality model and environmental risk, which is applied in general water supply conservation, special data processing applications, instruments, etc., and can solve problems such as subjectivity and arbitrariness that cannot be avoided

Inactive Publication Date: 2014-05-21
NANJING UNIV
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Problems solved by technology

Looking at the current regional-scale water environment risk assessment methods, generally only the risk assessm

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  • Water quality model based regional environment risk assessment method
  • Water quality model based regional environment risk assessment method
  • Water quality model based regional environment risk assessment method

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Embodiment Construction

[0066] The present invention will be further described below in combination with specific embodiments.

[0067] The invention provides a regional environmental risk assessment method based on a water quality model. The regional environmental risk assessment method based on the water quality model includes five steps: first, collect information on regional environmental risk sources, and use the Monte Carlo algorithm to simulate the discharge of pollutants from risk sources; Water quality model; then screen the evaluation endpoint, and calculate the vulnerability index of the risk receptor by using the fuzzy integral algorithm; then use the water quality model to predict the distribution of regional pollutant concentrations under all possible source intensity scenarios, and analyze the danger of the risk source; finally The hazard of the risk source and the vulnerability index of the receptor are integrated, and the risk curve is used to characterize the regional environmental ...

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Abstract

The invention provides a water quality model based regional environment risk assessment method. The water quality model based regional environment risk assessment method includes five steps of establishing a regional environment risk source information database, and utilizing a Monte Carlo algorithm to simulate discharge of risk source pollutants; selecting a water quality model, and constructing a water quality model which meets characteristics of an assessment region source intensity water quality response relationship; calculating vulnerability indexes of risk receptors by using a fuzzy integral method with the risk assessment goal of influence on water ecology, human health and social economy; utilizing the water quality model to predict the distribution of regional pollutant concentration under all possible source intensity situations, and analyzing dangerousness of risk sources; characterizing regional environment risks with a risk curve under the synthesis of dangerousness of the risk sources and vulnerability indexes of the receptors. According to the risk curve, regional environment risk assessment can be performed, high-risk regions, and key risk sources and vulnerary receptors are identified, so that a reference is provided for planning a targeted region risk prevention and control scheme.

Description

technical field [0001] The invention belongs to a regional environmental risk assessment method based on a water quality model, and is a method for quantitatively characterization and evaluation of regional environmental risk by obtaining a regional environmental risk curve according to a water quality model simulation result. It is applicable to the comprehensive assessment of the water environment risk of a river basin or a certain area. Background technique [0002] Point sources, area sources, and flow sources are the main sources of regional environmental health threats. Pollutants emitted by human activities directly affect aquatic ecological security, and ultimately affect human health and social and economic development. Risk assessment, which uses quantitative analysis methods to systematically explore potential environmental problems, is a commonly used and effective environmental management technique. Looking at the current regional-scale water environment risk ...

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Application Information

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IPC IPC(8): G06Q10/04G06F17/30
CPCY02A20/152Y02P90/845
Inventor 钱新姚红朱文婷夏必胜高海龙
Owner NANJING UNIV
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