Pollutant source analysis method and system for establishing coupling of air quality mode and receptor model

Through the coupling method of air quality mode and receptor model in three-dimensional area, combined with observation data and nonlinear optimization algorithm, the problem of inaccurate source analysis results in the existing technology is solved, and the refined source analysis of atmospheric pollutants is realized, which improves the accuracy and scientific nature of pollutant source analysis, providing an important scientific basis for urban and regional air quality management.

CN120470749APending Publication Date: 2025-08-12SHANGHAI UNIV
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Patent Information

Application Number
CN202510464447.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2025-08-12

AI Technical Summary

Technical Problem

The existing pollutant source analysis methods fail to effectively integrate the advantages of three-dimensional regional air quality models and receptor models, resulting in insufficient accuracy of atmospheric pollutants refinement source analysis, lack of scientific constraints on the spatial distribution of pollutants emissions and meteorological factors, and neglecting the atmospheric physicochemical reaction process, resulting in inaccurate source analysis results.

Method used

By conducting three-dimensional regional air quality mode simulation based on the atmospheric pollutant emission list and meteorological mode simulation, combining observation data verification, using the source analytical method of the three-dimensional regional air quality mode and the receptor model to couple, the objective function is constructed, and the source contribution is corrected through a nonlinear optimization algorithm, the correspondence between chemical mechanism species and observation components is established, and the data docking and dynamic correction of the model is realized.

Benefits of technology

It significantly improves the accuracy of refined source analysis of multi-component pollutants such as single-site or multi-site atmospheric PM2.5, PM10 and VOCs, supports scientific decisions on improving air quality in cities and regions, provides higher-precision pollution source contribution data, and provides scientific basis for pollution prevention and control.

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Abstract

The invention belongs to the technical field of air quality management, and discloses a pollutant source analysis method and system for establishing coupling of an air quality mode and a receptor model, and the method comprises the steps: carrying out three-dimensional regional air quality mode simulation on the basis of an air pollutant emission list and a meteorological field based on meteorological mode simulation; through verification of observation data, an adopted three-dimensional regional air quality mode system comprising a meteorological mode and an air quality mode has reliable simulation performance; a source analysis module embedded in a three-dimensional area air quality mode is used for carrying out source analysis on atmospheric pollutants. According to the method, respective advantages of a three-dimensional regional air quality mode and a receptor model in the aspect of source analysis are integrated, the accuracy of refined source analysis of atmospheric pollutants composed of multiple components such as PM2.5, PM10 and VOCs in the atmosphere of a single site or multiple sites is remarkably improved, and refined and scientific development of urban and regional atmospheric pollution prevention and control is promoted; therefore, the health of people is better protected.
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