The invention relates to a computer programmed water environment capacity calculation method based on a Delft3D model, and effectively solves the problems that in the early stage, only the water environment capacity can be roughly estimated, meanwhile, the time and space precision is poor, and the experience dependence is large. According to the technical scheme, the method comprises the steps that a certain river channel is selected as a research range, and target section water quality classification is set; setting model boundary conditions including upstream incoming flow and along-the-waybranch boundary conditions; inputting the boundary condition parameters by adopting a Delft3D model system and outputting the boundary condition parameters to obtain a pollutant concentration value when the water quality of the target section meets the requirement; extracting relevant data from the model to calculate the water environment capacity of the pollutants; Due to the fact that the Delft3D model can utilize specific discrete hydrological water quality data, a hydrodynamic field and a water quality field with the time being accurate to second and the space being accurate to meter are output through calculation, automatic calculation is achieved by compiling a computer program, and finally calculation of the water environment capacity of any water body in any time period can be achieved.

A computer programmed water environment capacity calculation method based on a Delft3D model

The invention discloses a basin water environment capacity allocation method and a device, electronic equipment and a storage medium, and belongs to the technical field of water environment monitoring. The method comprises the following steps: acquiring a to-be-allocated drainage basin needing to be subjected to water environment capacity allocation; acquiring each control unit related to the to-be-allocated drainage basin and river reach in one-to-one correspondence with each control unit; obtaining the maximum water environment capacity allowed to be discharged by each river reach; based onthe maximum water environment capacity allowed to be discharged by each river reach, determining the water environment capacity allowed by the control unit corresponding to each river reach; and correcting the water environment capacity allowed by the control unit corresponding to each river reach. According to the embodiment of the invention, through carrying out the processing, the control unitsin the to-be-distributed drainage basin are divided, the water catchment range of each control unit is defined, then the maximum water environment capacity allowed to be discharged by each river reach is obtained, then the water environment capacity allowed by the control unit corresponding to each river reach is determined and corrected, and the objectivity and fairness of a distribution resultare guaranteed.

Drainage basin water environment capacity allocation method and device, electronic equipment and storage medium

The invention discloses a river water environment capacity allocation method. The method specifically comprises the following steps of 1, performing river control section division according to water environment function region data of a target river, thereby obtaining multiple control sections; building one-dimensional hydrodynamic model control equation and water quality numerical model of the target river; 2, by utilizing the hydrodynamic model control equation and the water quality numerical model obtained in the step 1, calculating a pollutant response coefficient between point sources orbranches and the control sections, and establishing a response matrix; and 3, establishing an optimal objective function of the target river, and in combination with the response matrix obtained in the step 2, obtaining maximum pollutant discharge concentration of the branches or the point sources. By establishing the pollutant response matrix between the point sources or the branches and the control sections, and in combination with a linear planning model, optimal allocation of river water environment capacity is realized; allowed pollutant discharge amounts of the point sources and the branches are obtained; and a scientific basis is provided for a management department.

River water environment capacity allocation method

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River water environment capacity allocation method