Optimization method of groundwater pollution monitoring network based on two-step topsis method

A technology for groundwater pollution and optimization methods, applied in general water supply conservation, data processing applications, instruments, etc., can solve problems such as regional pollution status and hydrogeological conditions that cannot be comprehensively considered, so as to reduce deployment and maintenance costs, preserve integrity, The effect of reducing the degree of redundancy

Active Publication Date: 2022-07-05
WUHAN UNIV
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Problems solved by technology

[0006] In order to solve the problem that the traditional groundwater pollution monitoring network optimization method cannot comprehensively consider the current situation of regional pollution and hydrogeological conditions, and cannot take into account the spatial distribution and statistical characteristics of the monitoring network to screen alternatives, the present invention provides a method based on groundwater pollution data, Based on the hydrogeological condition data and the existing monitoring well spatial position data, the groundwater pollution monitoring network optimization method can be used to rank the monitoring wells based on the regional pollution status and hydrogeological conditions, and take into account the spatial and statistical characteristics of the scheme to obtain the best results. best optimization plan

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  • Optimization method of groundwater pollution monitoring network based on two-step topsis method
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  • Optimization method of groundwater pollution monitoring network based on two-step topsis method

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Embodiment 1

[0029] Example 1: [Take the data of an oilfield mining area in Northeast China as an example]

[0030] There are 15 monitoring indicators involved in the screening of typical pollutants, including 9 inorganic indicators, namely sodium, total hardness, iron, manganese, chloride, sulfate, nitrate, total dissolved solids (TDS), Chemical oxygen demand (COD); 6 organic indicators, namely total petroleum hydrocarbons (TPH), benzene, toluene, ethylbenzene, xylene, and naphthalene. The specific locations of monitoring wells are as follows: figure 1 .

[0031] According to the factor product method considering the median statistical characteristics, the obtained scores and ranking of groundwater pollutants are shown in Table 1. The top three pollutants with higher scores are selected as typical pollutants, that is, the regional typical pollutants are iron, Manganese and TPH.

[0032] Table 1 Scores of groundwater pollutants (unit: mg / L) obtained by factor product method considering ...

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Abstract

The invention discloses a groundwater pollution monitoring network optimization method based on a two-step TOPSIS method, comprising the following steps: (1) acquiring coordinate data, pollutant concentration data and regional hydrogeological data of groundwater monitoring wells; (2) calculating each monitoring well The weighted comprehensive pollution index and anti-fouling performance index of typical pollutants at the site; (3) Combine the two indices, use the TOPSIS method to rank the monitoring capabilities of monitoring wells; (4) Based on the idea of ​​stratified sampling, the existing monitoring network scheme (5) Based on the 4 indicators that comprehensively consider the spatial and statistical characteristics of the alternatives, the TOPSIS method is used to rank the alternatives, and the alternative with the highest score is the best alternative. best optimization. The present invention proposes a method for optimization based on the existing groundwater pollution monitoring network, which is suitable for other research areas with similar regional characteristics and similar optimization needs, and has certain generalizability.

Description

technical field [0001] The invention belongs to the field of optimal distribution, and in particular relates to a groundwater pollution monitoring network optimization method based on a two-step TOPSIS method. Background technique [0002] The groundwater pollution monitoring network is a network of regional groundwater pollution monitoring wells. The layout of the underground pollution monitoring network affects the accuracy and efficiency of groundwater pollution information acquisition. However, the unreasonable spatial location of the monitoring network often occurs. Therefore, it is necessary to improve the effectiveness of the location of monitoring wells, so as to obtain detailed information on parameters related to groundwater pollution as comprehensively as possible. [0003] The traditional optimization design methods of groundwater pollution monitoring network include hydrogeological analysis method, cluster analysis method and Kriging interpolation method. Among...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06Q50/08G06Q50/26G06K9/62
CPCG06Q10/06393G06Q50/08G06Q50/26G06F18/23Y02A20/152
Inventor 陈奕云蒋江俊男陈敏董维红胡亚珍
Owner WUHAN UNIV
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