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Drainage basin agriculture non-point source pollution control measure optimal configuration method

A technology for non-point source pollution and control measures, applied in the field of agricultural non-point source pollution control in river basins, can solve problems such as high uncertainty of methods and single system, and achieve the effect of promoting water source protection and watershed health.

Inactive Publication Date: 2017-06-20
CAPITAL NORMAL UNIVERSITY
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Problems solved by technology

[0008] In order to overcome the shortcomings of our country's existing watershed agricultural non-point source pollution control technology system, which is single and the method is relatively uncertain, the present invention provides a method for optimizing the configuration of watershed agricultural non-point source pollution control measures to realize the water environment of the watershed. The purpose of overall improvement, which will provide strong scientific and technological support for the scientific selection of water conservation measures

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Embodiment Construction

[0026] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0027] The optimal configuration method of the watershed agricultural non-point source pollution control measures of the present invention is as follows: figure 1 As shown, it includes the following steps:

[0028] (1) Analysis of non-point source pollution characteristics

[0029] 1) With the support of RS and GIS technology, construct the non-point source pollution space and attribute database (Table 1) in the study area, which will serve as the basis for various data calls in the next step of model application;

[0030] 2) Using SWAT model (Arnold J G, Moriasi D N, Gassman P W, et al.SWAT: Modeluse, calibration, and validation[J].Transactions of the ASABE,2012,55(4):1491-1508.) and IFSM model (Rotz C A, Coiner C U. Integrated Farm System Model (IFSM): Reference Manual Version 2.0 [J]. Agricultural Research Service, USDA. http: / / www.ars.usda.gov / Main / docs...

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Abstract

The invention discloses a drainage basin agriculture non-point source pollution control measure optimal configuration method. The method includes from the point of view of improving the efficiency of BMPs implementation, identifying the distribution characteristics of drainage basin agriculture non-point source pollution load, and providing the basis for the configuration of BMPs at different scales; constructing a BMPs evaluation toolkit to provide a standardized assessment technique for determining the BMPs reduction efficiency; establishing the simulation situation of drainage basin agriculture non-point source pollution BMPs optimal configuration schemes based on NSGA-II, screening the BMPs optimal configuration scheme of the drainage basin agriculture non-point source pollution control, and establishing a BMPs combined space hierarchical configuration system suitable for the drainage basin characteristics. The cost benefit is analyzed from the perspective of the drainage basin as a whole, so that a reliable foundation is established for effective control of non-point source pollution, and for improved water source protection and drainage basin health.

Description

technical field [0001] The invention relates to the field of environmental science, in particular to a method for controlling agricultural non-point source pollution in watersheds. Background technique [0002] With the closing of the Third Plenary Session of the 18th CPC Central Committee, the introduction of policies related to environment, land and agriculture will undoubtedly change the pace of China's agricultural development in the future and implement deeper rural reforms. In this process, the environmental problems brought about by agricultural modernization cannot be ignored. With the gradual control of urban domestic sewage and industrial wastewater, the problem of agricultural non-point source pollution has become prominent and has become an important factor threatening the safety of the water environment. Countries around the world have gradually realized the seriousness of the problem of agricultural non-point source pollution and the limitations of control form...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q10/06G06Q50/26
CPCG06Q10/04G06Q10/0639G06Q50/26Y02A20/152
Inventor 王晓燕耿润哲庞树江李泽琪
Owner CAPITAL NORMAL UNIVERSITY
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