CN116644951A - Water flow field environment risk assessment method, device, computer equipment and storage medium - Google Patents
Water flow field environment risk assessment method, device, computer equipment and storage medium Download PDFInfo
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- 238000012502 risk assessment Methods 0.000 title claims abstract description 14
- 231100000290 environmental risk assessment Toxicity 0.000 claims abstract description 22
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Abstract
The application provides a water basin environment risk assessment method, a device, computer equipment and a storage medium, wherein the water volume condition is calculated according to a formula, L=L0+S1-S2-C, wherein L represents the water volume, L0 represents the existing water volume of a current basin, S1 represents the generated water volume of the current basin for a period of time, S2 represents the factory production water consumption of the current basin, and C represents the life water consumption of the current basin for a period of time; calculating the pollution rate k of the period of time according to the data; calculating a water flow domain environmental risk index according to a water flow domain environmental risk assessment model M=Lj/(L-Lxk) 100%, wherein Lj is the historical average water quantity in the period of time; the method solves the technical problem that the environmental assessment of the watershed is unreasonable in the prior art.
Description
Technical Field
The present application relates to the field of environmental risk assessment in a water-flow field, and in particular, to a method for assessing environmental risk in a water-flow field, a computer device, and a storage medium.
Background
The water environment risk assessment is used as an important component of environment assessment, and is a process for carrying out the identification of various potential risks of the water environment and the assessment of the occurrence probability of the water environment accident on the basis of the environment risk assessment. As an important direction of Environmental Risk Assessment (ERA), it plays an important role in water environment prediction and water environment accident prevention.
The water resource system of the watershed taking the reservoir as the hub is difficult to simultaneously meet the water quantity requirements of the water supply subsystem, the power generation subsystem and the environment subsystem, so that a certain risk exists in the water resource system of the watershed, for example, the water resource system of the watershed can meet the lower drainage flow of a hydropower station, and the production, living and ecological water supply at the upstream of the reservoir can be insufficient; there is also a risk of pollution in the basin, and sewage or domestic sewage discharged from factories beside the basin may pollute the environment. Therefore, the method has important significance for exploring complex mutual feedback relations of watershed water resource water supply, power generation and environmental pollution, evaluating multiple risks of a water resource system and realizing reasonable utilization of watershed water resources. However, there are a number of unreasonable factors in the environmental risk assessment of the water basin in the prior art, and the supervision department lacks a scientific and reasonable method to prompt the water use risk of the water basin in the reservoir.
Therefore, the applicant considers that it is necessary to provide a technical scheme related to a river basin environment risk assessment model and a calculation method so as to improve the reasonability of assessment, and a supervision department can take appropriate supervision measures on the river basin water resources with reservoirs as the hubs through the assessment model and the alarm condition of the water basin environment risk index obtained by the calculation method.
Disclosure of Invention
The embodiment of the application provides a related technical scheme of a water basin environment risk assessment model and a calculation method, which is used for solving the technical problem that the water basin environment assessment is unreasonable in the prior art.
The embodiment of the application provides a water flow field environment risk assessment method,
acquiring the existing water quantity L0 of a current water basin, generating water quantity S1 of the current water basin for a period of time, producing water consumption S2 of a factory of the current water basin, and living water consumption C of the current water basin for a period of time;
calculating the water quantity L according to a formula, wherein L=L0+S1-S2-C;
calculating the pollution rate k of the period of time according to the data materials in the information management system;
calculating a water basin environmental risk index M, m=lj/(L-l×k) ×100% according to a water basin environmental risk assessment model, wherein Lj is a historical average water volume for the period of time;
if the calculated L value is less than half of L0, the risk index is directly increased to the highest value Mmax of the risk index;
and selecting whether to alarm according to the environmental risk index of the water flow field.
Further, wherein the period of time is one month or one year.
Further, if the existing water quantity L0 of the current river basin is smaller than the water quantity of the dead water period defined by the meteorological data, the risk index is directly increased to the highest value Mmax of the risk index.
Further, the generated water quantity S1 for a period of time is calculated according to meteorological data and water generated underground.
Further, the method also comprises the step of empirically correcting the generated water quantity S1 for a period of time.
The embodiment of the application also provides a water flow field environment risk assessment device which comprises an input part and a processing part,
the input part receives the input existing water quantity L0 of the current water basin, the generated water quantity S1 of the current water basin for a period of time, the production water consumption S2 of the factory of the current water basin and the living water consumption C of the current water basin for a period of time;
the processing unit executes the steps of:
calculating the water quantity L according to a formula, wherein L=L0+S1-S2-C;
calculating the pollution rate k of the period of time according to the data materials in the information management system;
calculating a water basin environmental risk index M, m=lj/(L-l×k) ×100% according to a water basin environmental risk assessment model, wherein Lj is a historical average water volume for the period of time;
if the calculated L value is less than half of L0, the risk index is directly increased to the highest value Mmax of the risk index;
and selecting whether to alarm according to the environmental risk index of the water flow field.
Further, the period of time is one month or one year.
Further, if the existing water quantity L0 of the current river basin is smaller than the water quantity of the dead water period defined by the meteorological data, the risk index is directly increased to the highest value Mmax of the risk index.
The embodiment of the application also provides computer equipment, which comprises a memory and a processor, wherein the memory stores a computer program, and the processor realizes the steps of the method when executing the computer program.
The embodiments of the present application also provide a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the aforementioned method.
The embodiment provided by the application has at least the following beneficial effects:
the application provides a water basin environment risk assessment method and a water basin environment risk assessment device, which calculate water volume conditions according to a formula, wherein L=L0+S1-S2-C, L represents water volume, L0 represents existing water volume of a current basin, S1 represents generated water volume of the current basin for a period of time, S2 represents factory production water consumption of the current basin, and C represents life water consumption of the current basin for a period of time; calculating the pollution rate k of the period of time according to the data; calculating a water flow domain environmental risk index M according to a water flow domain environmental risk assessment model M=Lj/(L-Lxk) 100%, wherein Lj is the historical average water quantity in the period of time; the method solves the technical problem of unreasonable assessment of the watershed environment in the prior art. If the calculated L value is smaller than half of L0, the risk index is directly increased to the highest value Mmax of the risk index, so that the water flow field environment evaluation is more reasonable. The supervision department can take proper supervision measures on the river basin water resources with reservoirs as the hubs through the evaluation model and the alarm condition of the environmental risk index of the river basin obtained by the calculation method.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a flow chart of a water-basin environmental risk assessment method provided by an embodiment of the present application;
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As shown in fig. 1, an embodiment of the present application provides a water basin environmental risk assessment method, which obtains an existing water volume L0 of a current water basin, a generated water volume S1 of the current water basin for a period of time, a production water consumption S2 of a factory of the current water basin, and a living water consumption C of the current water basin for a period of time;
calculating the water quantity L according to a formula, wherein L=L0+S1-S2-C;
calculating the pollution rate k of the period of time according to the data materials in the information management system;
calculating a water flow domain environmental risk index M according to a water flow domain environmental risk assessment model M=Lj/(L-Lxk) 100%, wherein Lj is the historical average water quantity in the period of time;
if the calculated L value is less than half of L0, the risk index is directly increased to the highest value Mmax of the risk index;
and selecting whether to alarm according to the environmental risk index of the water flow field.
It should be noted that L may be a reservoir water amount or a lake water amount, or may be a total water flow in a certain area, and the present application is not particularly limited.
The period of time is one month or one year. In fact, the time of day or half a year, and can be determined by one skilled in the art according to practical situations, the application is not limited.
It should be noted that the pollution generally includes production pollution and living pollution, and may further include other pollution, and the pollution rate k includes a factory pollution rate k1 and a living pollution rate k2, where k=k1+k2, for convenience of treatment.
For the dead water period, the water use risk has been determined, and thus the following is done:
if the existing water quantity L0 of the current river basin is smaller than the water quantity of the dead water period defined by the meteorological data, the risk index is directly increased to the highest value Mmax of the risk index. By this method, the evaluation can be made more accurate.
The water amount S1 generated for a certain period of time is calculated from meteorological data and water generated underground. The weather forecast method can be obtained according to weather data counted by weather departments, and if the weather forecast is predicted, the weather forecast can be obtained.
The produced groundwater is overflowed to the water surface, can be obtained according to the prior data, and can be determined according to the weather data for a period of time.
It should be noted that the correction of the generated water amount S1 for a certain period of time is also included. The correction may be to determine the correction coefficient empirically, or to set a correction function, and to input a variable of the correction function to obtain a correction value.
The plant production water consumption S2 is determined according to the water consumption of the plant production over the previous period of time. The last period of time refers to the same period of time as the present application, but is the period of time of the last cycle, for example, one month, and the last period of time is the last month.
It should be noted that if there is statistical data, the amount of water consumed by the plant production may also be determined based on the time period.
It should be noted that the correction of the plant production water consumption S2 according to the experience is included.
It should be noted that the correction of the plant production water consumption S2 for a certain period of time is also included empirically. The correction may be to determine the correction coefficient empirically, or to set a correction function, and to input a variable of the correction function to obtain a correction value.
The amount of living water C for this period of time is determined based on past history data. In fact, it can also be derived from statistical data.
According to the application, the water quantity condition is calculated according to a formula, and the pollution rate k of the period of time is calculated according to data; calculating a water flow domain environmental risk index according to a water flow domain environmental risk assessment model M=Lj/(L-Lxk) 100%, wherein Lj is the historical average water quantity in the period of time; the technical problem of unreasonable assessment of the environment of a water basin in the technology. If the calculated L value is smaller than half of L0, the risk index is directly increased to the highest value Mmax of the risk index, so that the water flow field environment evaluation is more reasonable.
The embodiment of the application provides a water basin environment risk assessment device, which comprises an input part and a processing part, wherein the input part receives the input existing water quantity L0 of a current water basin, the generated water quantity S1 of the current water basin for a period of time, the production water consumption S2 of a factory of the current water basin and the living water consumption C of the current water basin for a period of time;
the processing unit executes the steps of:
calculating the water quantity L according to a formula, wherein L=L0+S1-S2-C;
calculating the pollution rate k of the period of time according to the data materials in the information management system;
calculating a water flow domain environmental risk index M according to a water flow domain environmental risk assessment model M=Lj/(L-Lxk) 100%, wherein Lj is the historical average water quantity in the period of time;
if the calculated L value is less than half of L0, the risk index is directly increased to the highest value Mmax of the risk index;
and selecting whether to alarm according to the environmental risk index of the water flow field.
Further, wherein the period of time is one month or one year.
Further, the pollution rate k includes a factory pollution rate k1 and a living pollution rate k2, k=k1+k2.
Further, if the existing water quantity L0 of the current river basin is smaller than the water quantity of the dead water period defined by the meteorological data, the risk index is directly increased to the highest value Mmax of the risk index.
Further, the generated water quantity S1 for a period of time is calculated according to meteorological data and water generated underground.
Further, the method also comprises the step of empirically correcting the generated water quantity S1 for a period of time.
Further, the plant production water consumption S2 is determined based on the water consumption of the plant production for the previous period of time.
Further, the method also comprises the step of correcting the factory production water consumption S2 according to experience.
Further, the living consumption water amount C for the period of time is determined according to past historical data.
The embodiment of the application also provides computer equipment, which comprises a memory and a processor, wherein the memory stores a computer program, and the processor realizes the steps of the method when executing the computer program.
The embodiments of the present application also provide a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the aforementioned method.
The embodiment of the application also provides a water-flow-domain environmental risk assessment system, which comprises the water-flow-domain environmental risk assessment device.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the application are to be included in the scope of the claims of the present application.
Claims (10)
1. A water flow field environment risk assessment method is characterized in that,
acquiring the existing water quantity L0 of a current water basin, generating water quantity S1 of the current water basin for a period of time, producing water consumption S2 of a factory of the current water basin, and living water consumption C of the current water basin for a period of time;
calculating the water quantity L according to a formula, wherein L=L0+S1-S2-C;
calculating the pollution rate k of the period of time according to the data materials in the information management system;
calculating a water basin environmental risk index M, m=lj/(L-l×k) ×100% according to a water basin environmental risk assessment model, wherein Lj is a historical average water volume for the period of time;
if the calculated L value is less than half of L0, the risk index is directly increased to the highest value Mmax of the risk index;
and selecting whether to alarm according to the calculated environmental risk index of the water flow field.
2. The water-basin environmental risk assessment method of claim 1, wherein the period of time is one month or one year.
3. The method according to claim 1, wherein the risk index is directly increased to the highest value Mmax if the existing water quantity L0 of the current basin is smaller than the amount of dry water defined by meteorological data.
4. The water-basin environmental risk assessment method according to claim 1, wherein the amount of generated water S1 for a period of time is calculated from meteorological data and water generated underground.
5. The water-basin environmental risk assessment method of claim 1, further comprising empirically modifying the amount of generated water S1 over a period of time.
6. A water flow field environment risk assessment device is characterized by comprising an input part and a processing part,
the input part receives the input existing water quantity L0 of the current water basin, the generated water quantity S1 of the current water basin for a period of time, the production water consumption S2 of the factory of the current water basin and the living water consumption C of the current water basin for a period of time;
the processing unit executes the steps of:
calculating the water quantity L according to a formula, wherein L=L0+S1-S2-C;
calculating the pollution rate k of the period of time according to the data materials in the information management system;
calculating a water basin environmental risk index M, m=lj/(L-l×k) ×100% according to a water basin environmental risk assessment model, wherein Lj is a historical average water volume for the period of time;
if the calculated L value is less than half of L0, the risk index is directly increased to the highest value Mmax of the risk index;
and selecting whether to alarm according to the environmental risk index of the water flow field.
7. The water-basin environmental risk assessment device of claim 6, wherein the period of time is one month or one year.
8. The water basin environmental risk assessment device according to claim 6, wherein if the existing water volume L0 of the current basin is smaller than the amount of dry water defined by meteorological data, the risk index is directly increased to the highest value Mmax of the risk index.
9. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any one of claims 1 to 5 when the computer program is executed.
10. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method according to any one of claims 1 to 5.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110348673A (en) * | 2019-05-24 | 2019-10-18 | 南方科技大学 | Water resource shortage risk assessment method and device, computer equipment and storage medium |
| CN115774953A (en) * | 2022-11-09 | 2023-03-10 | 安徽新宇环保科技股份有限公司 | Pollution space-time risk supervision and evaluation system and method based on data processing |
| CN115953061A (en) * | 2022-12-29 | 2023-04-11 | 中国农业大学 | Method and device for estimating shortage degree of water resource and computer readable storage medium |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110348673A (en) * | 2019-05-24 | 2019-10-18 | 南方科技大学 | Water resource shortage risk assessment method and device, computer equipment and storage medium |
| CN115774953A (en) * | 2022-11-09 | 2023-03-10 | 安徽新宇环保科技股份有限公司 | Pollution space-time risk supervision and evaluation system and method based on data processing |
| CN115953061A (en) * | 2022-12-29 | 2023-04-11 | 中国农业大学 | Method and device for estimating shortage degree of water resource and computer readable storage medium |
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