Water quality simulation method based on control unit water environment quality target management

A technology for environmental quality and target management, which is applied in the field of water quality simulation based on target management of water environmental quality of control units, and can solve problems such as limiting the popularization and application of models, lack of method standards for model verification, and difficulty in obtaining basic data.

Active Publication Date: 2021-09-14
CHINESE ACAD OF ENVIRONMENTAL PLANNING
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Problems solved by technology

Modeling research on environmental management in my country started late. In recent years, although foreign models such as SWAT, MIKE BASIN, and SPARROW have been applied experimentally in some watersheds in my country, the models require professional and technical personnel to operate, basic data are difficult to obtain, and model verification is difficult. Various problems such as the lack of method standards have seriously limited the popularization and application of the model, and are far from meeting the actual needs of scientific, standardized and normalized environmental planning and management.

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  • Water quality simulation method based on control unit water environment quality target management
  • Water quality simulation method based on control unit water environment quality target management
  • Water quality simulation method based on control unit water environment quality target management

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Embodiment Construction

[0136] In this embodiment, taking the Huangshui River Basin in Qinghai Province as an example, the water quality simulation method described in the present invention is further described. The model system diagram of the water quality simulation method adopted in this embodiment is as follows figure 1 shown.

[0137] Firstly, a database is established for water quality simulation in the Huangshui River Basin. The database includes: pollution source and sewage information database, which includes pollution source information, sewage outlet information, water intake information and river inlet coefficient; watershed geographic information database; hydrological and water quality monitoring database, which includes watershed The hydrological data and the water quality data monitored by the monitoring station are dynamically updated according to the test results; the database of conventional pollutant transmission-degradation coefficient and the database of toxic and harmful substan...

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Abstract

The invention provides a water quality simulation method based on control unit water environment quality target management, comprising the steps of: establishing a database; dividing the land area control unit and river channel sub-units; using a hydraulic model to simulate and calculate the flow rate, water surface area and Water body volume; use the output coefficient model to calculate the amount of non-point source pollutants in pollution sources, and calculate the amount of sewage entering the river and the concentration of pollution load of pollutants at the sewage outlet; use a one-dimensional water quality model to simulate the water quality of the calculation unit grid; invention The simulation method in the paper also adopts the sewage quality model of sudden risk accidents to simulate the transmission of accident pollutants in the river network and the change of water quality in downstream basins after the sudden water environmental risk accidents are discharged.

Description

technical field [0001] The invention belongs to the field of water environment monitoring, management and protection, and in particular relates to a water quality simulation method based on control unit water environment quality target management. Background technique [0002] The control unit mentioned in the water environment planning and management refers to the division of the watershed area as a unit, and puts forward control measures for the concentration and total amount of pollution discharge in the unit, and finally achieves the purpose of restoring and maintaining the water environment quality of the watershed. The water quality target management based on the control unit is a kind of water environment capacity total control technology. [0003] Establishing the water quality model of the watershed is a key technical point to realize the water quality target management of the control unit. By selecting an appropriate water quality model and establishing the input-r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/20G06F30/28G06Q50/06G06Q50/26G06F113/08G06F119/14
CPCG06Q50/06G06Q50/26G06F30/20Y02A20/152
Inventor 陈岩白辉赵琰鑫王东吴悦颖韦大明赵康平孙运海
Owner CHINESE ACAD OF ENVIRONMENTAL PLANNING
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