Soil-groundwater pollution risk threshold dynamic adjustment method and system based on environmental model

By constructing an environmental model, collecting soil and groundwater data, extracting pollution characteristics, calculating weights, monitoring pollutant concentration fluctuations in real time, predicting migration trends, and optimizing risk thresholds, the problem of dynamically adjusting soil and groundwater pollution risk thresholds has been solved, enabling accurate risk assessment and management.

CN121189808AActive Publication Date: 2025-12-23INSTITUTE OF ENVIRONMENT AND SUSTAINABLE DEVELOPMENT IN AGRICULTURE CAAS
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Patent Information

Application Number
CN202511294223.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-11
Publication Date
2025-12-23
Estimated Expiration
2045-09-11

AI Technical Summary

Technical Problem

Existing technologies are insufficient to comprehensively consider multiple factors and dynamically adjust the risk thresholds for soil and groundwater pollution under complex and ever-changing environmental conditions. This makes it difficult for risk assessments to provide accurate decision support in the event of sudden pollution incidents or long-term environmental changes.

Method used

By constructing an environmental model, collecting soil and groundwater monitoring data, extracting pollution characteristics, calculating weight values, monitoring pollutant concentration fluctuations in real time, combining time series analysis to predict migration trends, and optimizing risk thresholds, dynamic adjustments can be achieved.

Benefits of technology

It achieves precise extraction of pollution characteristics and dynamic adjustment of weights, enabling real-time risk assessment, improving the scientific nature and response efficiency of soil and groundwater pollution management, and providing intelligent solutions for environmental risk prevention and control.

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Abstract

The invention relates to the technical field of soil monitoring, in particular to a soil-groundwater pollution risk threshold dynamic adjustment method and system based on an environment model, and the method comprises the steps: collecting soil and groundwater monitoring data, constructing an environment model containing the soil pollution concentration, the groundwater pollution concentration and the pollutant migration rate, obtaining comprehensive pollution characteristic data, extracting main characteristics, and determining the contribution degree of each characteristic to risk assessment; calculating the initial weight of each feature according to the contribution degree, and obtaining a weight distribution scheme; calculating pollution risk values of the soil and the underground water in combination with the pollution load data and the weight values, and preliminarily setting a risk threshold value; monitoring pollutant concentration fluctuation data in real time, predicting a pollutant migration trend through a time sequence analysis algorithm, and obtaining a risk change prediction result; and combining the risk change prediction result and the environmental capacity constraint optimization risk threshold to obtain a dynamically adjusted risk threshold. According to the invention, accurate extraction of pollution characteristics and dynamic adjustment of weights are realized.
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