Medium and small watershed pollution source analysis method based on multi-drain-outlet checking and monitoring

A technology of medium and small watersheds and analytical methods, applied in the field of environmental monitoring, can solve the problems of many parameters and high uncertainty of results, and achieve the effect of improving efficiency, wide promotion and application value, and wide applicability
CN111199341APending Publication Date: 2020-05-26SHANDONG PROVINCIAL ECO ENVIRONMENT MONITORING CENT
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
SHANDONG PROVINCIAL ECO ENVIRONMENT MONITORING CENT
Publication Date
2020-05-26

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Abstract

The invention belongs to the technical field of water environment protection, and discloses a medium and small watershed pollution source analysis method based on multi-drain-outlet checking and monitoring. The method provided by the invention comprises the following steps: (1) checking an in-river sewage drain outlet: determining the distribution, type and the like of the in-river sewage drain outlet, summarizing a check table, and encoding the in-river sewage drain outlet; drawing a sewage drain outlet position electronic map; (2) synchronously monitoring the water quantity and the water quality of the estuary; (3) analyzing a basin pollution source: calculating the average value of water quantity and water quality in each water period; and counting the discharge amount of various pollution sources, and analyzing the pollution contribution of various pollution outlets to the drainage basin. Compared with a factor analysis method and a principal component analysis method, the method has the advantages that the defects that a source analysis model has certain application conditions, more parameters and higher analysis result uncertainty are avoided, and the pollution contribution of each type of emission source and even each emission source can be obtained. The analysis result is objective and is close to the actual emission condition, so that the target is provided for accurate source control, and the drainage basin pollution treatment efficiency is improved.
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Description

technical field

[0001] The invention belongs to the technical field of environmental monitoring, and in particular relates to a method for analyzing pollution sources in small and medium watersheds based on the verification and monitoring of multiple sewage outlets. Background technique

[0002] At present, the analysis of water pollution sources mainly relies on models for calculation. There are two main types of models:

[0003] One is the model proposed by Sudan et al. in 2009 in the paper "Advances in the Analysis of Water Environment Pollution Sources", which is a forward diffusion model based on pollution sources; the other is a reverse traceability model based on pollution receptors model, the receptor model.

[0004] Diffusion model is a predictive model, which predicts the spatio-temporal changes of pollutants by inputting emission data and related parameter information of various pollution sources. Due to the complex parameters of the diffusion model and the cumb...

Claims

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