An identification method for urban black and odorous water bodies based on conventional water quality parameters

Abstract

The invention discloses a method for identifying black and odorous water bodies in cities based on conventional water quality parameters, comprising the following steps: obtaining conventional water quality detection parameters of the water body; performing standardized calculation on the concentration of the conventional water quality detection parameters of the water body to obtain standardized water quality detection parameters; Standardize the water quality testing parameters to obtain the black and odor level of the water body corresponding to the water quality testing period; establish a factor analysis model, the factor analysis model includes common black factors and common odor factors; establish water body identification through common black factors and common odor factors Decision tree model, and then use the water body identification decision tree model to determine the black and odorous water body, and obtain the identification result; the present invention makes full use of the existing surface water quality monitoring system, and realizes the black and odorous water body discrimination without increasing the cost, and has comparative advantages. High feasibility and economy, can be popularized and applied on a large scale.

Description

technical field [0001] The invention relates to the research field of water environment monitoring, in particular to a method for identifying urban black and odorous water bodies based on conventional water quality parameters. Background technique [0002] According to the "Guidelines for Urban Black and Odorous Water Treatment Work" issued by the Ministry of Housing and Urban-Rural Development, the subjective judgment criteria for black and odorous water bodies are relatively intuitive, that is, "disgusting colors and / or emitting unpleasant odors". However, among the four water quality parameters required for objective judgment, transparency, dissolved oxygen, oxidation-reduction potential, and ammonia nitrogen, oxidation-reduction potential does not appear in the "Environmental Quality Standards for Surface Water" (GB3838-2002), and does not belong to routine water quality monitoring. In the current investigation of black and odorous water bodies, it is necessary to invest...

AI Technical Summary

Problems solved by technology

However, in the case of the "Guidelines for Urban Black and Odorous Water Treatment Work" as the basic guidance document, additional testing costs are still required for the investigation of black and odorous water bodies

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