CN110111022B - Water pollution source evaluation method and device - Google Patents
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Abstract
The disclosure provides a method and a device for evaluating a water pollution source, and relates to the technical field of environmental science. According to the method, the pollution equivalent number and the economic benefit data of the water pollution source are obtained, the water source pollution data of the water pollution source to the water source area are determined according to the pollution equivalent number, the pollution equivalent number and the water source pollution data indicate negative effects brought by the water pollution source, the economic benefit data can indicate positive effects corresponding to the water pollution source, and therefore the evaluation data of the water pollution source are determined based on the pollution equivalent number, the economic benefit data and the water source pollution data, and the evaluation data can comprehensively and accurately evaluate the water pollution source.
Description
Technical Field
The disclosure relates to the technical field of environmental science, in particular to a method and a device for evaluating a water pollution source.
Background
With the development of science and technology, the skills of human life and production are greatly improved, but pollution is generated while various articles are produced, such as waste water and waste residues discharged by factories, oil and gas pipeline leakage, nuclear reaction waste materials and the like, and the pollution can cause harm to human beings and living environment thereof, so that a method for evaluating a water pollution source is urgently needed.
In the prior art, the pollution equivalent number of the water pollution index can be determined according to the harmful degree of each pollution index in the water pollution source, the toxicity to organisms and the treatment cost, and the evaluation data of the water pollution source can be determined according to the pollution equivalent number of each water pollution index. However, the water pollution source may have complicated and inconsistent conditions, and it is difficult to accurately evaluate the water pollution source only according to the data of the pollution equivalent number of each pollution index in the water pollution source.
Disclosure of Invention
The purpose of the present disclosure is to provide a method and an apparatus for evaluating a water pollution source, so as to improve the accuracy of evaluating the water pollution source.
In order to achieve the above purpose, the technical scheme adopted by the disclosure is as follows:
in a first aspect, the present disclosure provides a method for evaluating a water pollution source, the method comprising:
acquiring the pollution equivalent number and economic benefit data of a water pollution source;
determining water source pollution data of the water pollution source to a water source area based on the pollution equivalent number;
determining evaluation data for the water pollution source based on the pollution equivalent number, the economic benefits data, and the water source pollution data.
Optionally, the determining water source pollution data of the water pollution source to the water source site based on the pollution equivalent number comprises:
acquiring water source pollution data of the water pollution source aiming at least one downstream water source area to obtain at least one water source pollution data;
determining water source pollution data of the water pollution source to the water source area based on the at least one water source pollution data and first preset weights respectively for the at least one downstream water source area.
Optionally, the obtaining water source pollution data of the water pollution source for at least one downstream water source location to obtain at least one water source pollution data includes:
acquiring the flow rate and the distance between the water pollution source and the at least one downstream water source respectively;
and acquiring water source pollution data of the water pollution source for the at least one downstream water source site based on the pollution equivalent number and the water flow speed and distance between the water pollution source and the at least one downstream water source site respectively.
Optionally, said determining evaluation data for said water pollution source based on said pollution equivalent number, said economic benefits data and said water source pollution data comprises:
obtaining a second preset weight for the number of pollution equivalents, determining a first product of the number of pollution equivalents and the second preset weight;
acquiring a third preset weight aiming at the water source pollution data, and determining a second product of the water source pollution data and the third preset weight;
and summing the first product and the second product, acquiring a ratio between the sum and the economic benefit data, and determining the evaluation data of the water pollution source.
Optionally, the obtaining of the pollution equivalent number of the water pollution source comprises:
obtaining the discharge amount and the sewage treatment coefficient of at least one pollution index in the water pollution source;
determining the river inflow amount of the at least one pollution index based on the discharge amount of the at least one pollution index and the sewage treatment coefficient;
determining a pollution equivalent number of the source of water pollution based on the river entry amount of the at least one pollution indicator.
In a second aspect, the present disclosure also provides an apparatus for evaluating a water pollution source, the apparatus including:
the acquisition module is used for acquiring the pollution equivalent number and economic benefit data of the water pollution source;
a first determination module for determining water source pollution data of the water pollution source to a water source location based on the pollution equivalent number;
a second determination module to determine evaluation data of the water pollution source based on the pollution equivalent number, the economic benefits data, and the water source pollution data.
Optionally, the first determining module is specifically configured to:
acquiring water source pollution data of the water pollution source aiming at least one downstream water source area to obtain at least one water source pollution data;
determining water source pollution data of the water pollution source to the water source area based on the at least one water source pollution data and first preset weights respectively for the at least one downstream water source area.
Optionally, the first determining module is further configured to:
acquiring the flow rate and the distance between the water pollution source and the at least one downstream water source respectively;
and acquiring water source pollution data of the water pollution source for the at least one downstream water source site based on the pollution equivalent number and the water flow speed and distance between the water pollution source and the at least one downstream water source site respectively.
Optionally, the second determining module is specifically configured to:
obtaining a second preset weight for the number of pollution equivalents, determining a first product of the number of pollution equivalents and the second preset weight;
acquiring a third preset weight aiming at the water source pollution data, and determining a second product of the water source pollution data and the third preset weight;
and summing the first product and the second product, acquiring a ratio between the sum and the economic benefit data, and determining the evaluation data of the water pollution source.
Optionally, the obtaining module is specifically configured to:
obtaining the discharge amount and the sewage treatment coefficient of at least one pollution index in the water pollution source;
determining the river inflow amount of the at least one pollution index based on the discharge amount of the at least one pollution index and the sewage treatment coefficient;
determining a pollution equivalent number of the source of water pollution based on the river entry amount of the at least one pollution indicator.
In a third aspect, the present disclosure also provides an electronic device, including a computer-readable storage medium storing a computer program and a processor, where the computer program is read by the processor and executed to implement the method in the first aspect.
In a fourth aspect, the present disclosure also proposes a computer-readable storage medium, on which a computer program is stored, which, when read and executed by a processor, implements the method of the first aspect.
In the embodiment of the disclosure, the pollution equivalent number and the economic benefit data of the water pollution source can be obtained, the water source pollution data of the water pollution source to the water source area can be determined according to the pollution equivalent number, the pollution equivalent number and the water source pollution data can explain negative effects brought by the water pollution source, and the economic benefit data can explain positive effects corresponding to the water pollution source, so that the evaluation data of the water pollution source can be determined based on the pollution equivalent number, the economic benefit data and the water source pollution data, and the evaluation data can comprehensively and accurately evaluate the water pollution source.
Additional features and advantages of the disclosure will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the disclosure. The objectives and other advantages of the disclosure may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
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To more clearly illustrate the technical solutions of the present disclosure, the drawings needed for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present disclosure, and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 shows a schematic flow chart of a method for evaluating a water pollution source provided by the present disclosure;
FIG. 2 illustrates a schematic flow chart of a method of determining water source pollution data of a water source site from a water pollution source provided by the present disclosure;
FIG. 3 shows a functional block diagram of an evaluation device of a water pollution source provided by the present disclosure;
fig. 4 shows a functional module schematic diagram of an electronic device provided by the present disclosure.
Detailed Description
The technical solution in the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the present disclosure.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Fig. 1 is a schematic flow chart of an evaluation method of a water pollution source according to the present disclosure. It should be noted that the method for evaluating a water pollution source according to the present disclosure is not limited by fig. 1 and the specific sequence described below, and it should be understood that, in other embodiments, the sequence of some steps in the method for evaluating a water pollution source according to the present disclosure may be interchanged according to actual needs, or some steps may be omitted or deleted. The flow shown in fig. 1 will be explained in detail below.
Because water is an important resource for human survival, the quality of water quality directly affects the environment for human survival, and particularly, the water pollution source causes the water quality of a water source to be reduced, so the water pollution source needs to be evaluated. Since the production or living activities that generate the water pollution source may also promote the economic development of society, that is, the water pollution source may bring positive effects such as economic benefits in addition to negative effects such as water quality reduction, the accuracy of evaluating the water pollution source is improved, and the pollution equivalent number and economic benefit data of water pollution can be obtained in order to comprehensively evaluate the effects brought by the water pollution source.
The water pollution source is a substance which can pollute water sources such as rivers, wherein one water pollution source may include various pollution indexes, for example, industrial wastewater discharged from a certain plant may include pollution of various heavy metal elements.
The number of contamination equivalents is the number of contamination equivalents, and is dimensionless.
Wherein, the pollution equivalent number of the water pollution source is the sum of the pollution equivalent numbers of various pollution indexes included in the water pollution source.
It should be noted that, the number of pollution equivalents of the water pollution source may be analyzed by a skilled person, and the number of pollution equivalents of a plurality of pollution indexes included in the water pollution source is determined, so as to determine the number of pollution equivalents of the water pollution source.
The economic benefit data is data that describes the economic value, which may include a value with dimensions, such as X-grams or X-dollars, or may include a value without dimensions, such as a value of 1-100.
Wherein, the economic benefit data can be evaluated and determined by the related technical personnel for the production or living activities generating the water pollution source.
Of course, in practical applications, the pollution equivalent number and the economic benefit data of the water pollution source can be obtained through other manners or obtained, and the embodiment of the disclosure does not limit the pollution equivalent number and the economic benefit data.
And 102, determining water source pollution data of the water pollution source to the water source area based on the pollution equivalent number.
In order to accurately determine the adverse effect of the water pollution source on the water source area and further improve the accuracy of subsequent evaluation on the water pollution source, the degree of influence of the water pollution source on the water source area can be determined according to the pollution equivalent number of the water pollution source.
The water source pollution data is used for explaining the pollution degree of the water pollution source to the water source area.
The attribute information of the water source place can be obtained, the attribute information comprises at least one of the geographical position relationship between the water source place and the water pollution source and the corresponding weight of the water source place, the water pollution data of the water source place by the water pollution source is determined and obtained based on a preset mode for determining the water source pollution data of the water source place, the pollution equivalent number of the water pollution source and the attribute information of the water source place.
For example, the acquired pollution equivalent number and the attribute information of the water source location may be input to a preset neural network model, so that the water pollution data of the water source location by the water pollution source may be determined through the neural network model.
The geographical position relationship between the water source and the water pollution source may be set in advance, and may include at least one of an upstream-downstream relationship, a distance between the water source and the water pollution source, and a flow rate of water between the water source and the water pollution source.
Among them, the water pollution source may permeate into the water source land through soil, and thus may contaminate the upstream and downstream water source lands thereof, and may be spread to the downstream water source land thereof through water flow. When the distance between the water pollution source and the water source is closer, the pollution to the water source is more serious. As the flow rate of the water stream is faster, the water pollution source pollutes the downstream water source more seriously.
The weight corresponding to the source location is used to explain the importance of the source location, and the weight may be determined in advance based on at least one of the information of the water supply population of the source location, the contribution to the ecosystem, and the like.
And 103, determining evaluation data of the water pollution source based on the pollution equivalent number, the economic benefit data and the water source pollution data.
Because the data which indicates the negative influence generated by the water pollution source, such as the pollution equivalent number, the water source pollution data and the like, and the data which generates the positive influence, such as the economic benefit data and the like corresponding to the water pollution source are determined, the water pollution source can be comprehensively and accurately evaluated based on the pollution equivalent number, the economic benefit data and the water source pollution data and by combining the negative influence and the positive influence corresponding to the water pollution source.
The evaluation data of the water pollution source is used for evaluating the data of the influence of the water pollution source on the production and living environment of human beings.
The evaluation data of the water pollution source may be determined based on the pollution equivalent number, the economic benefit data, and the water source pollution data based on a previously set manner of determining the evaluation data of the water pollution source. For example, the pollution equivalent number, economic benefit data and water source pollution data can be input into a neural network model trained in advance, so as to obtain the output evaluation data of the water pollution source; or, the evaluation data of the water pollution source can be calculated based on the pollution equivalent number, the economic benefit data and the water source pollution data according to a preset calculation formula.
In the embodiment of the disclosure, the pollution equivalent number and the economic benefit data of the water pollution source can be obtained, the water source pollution data of the water pollution source to the water source area can be determined according to the pollution equivalent number, the pollution equivalent number and the water source pollution data can explain negative effects brought by the water pollution source, the economic benefit data can explain positive effects corresponding to the water pollution source, and therefore the evaluation data of the water pollution source is determined based on the pollution equivalent number, the economic benefit data and the water source pollution data, and the evaluation data can comprehensively and accurately evaluate the water pollution source.
Optionally, the step of obtaining the pollution equivalent number of the water pollution source may comprise: the method comprises the steps of obtaining the discharge amount and the sewage treatment coefficient of at least one pollution index in a water pollution source, determining the river inflow amount of the at least one pollution index based on the discharge amount and the sewage treatment coefficient of the at least one pollution index, and determining the pollution equivalent number of the water pollution source based on the river inflow amount and the pollution equivalent number of the at least one pollution index.
Because the generated water pollution source can be purified by a sewage treatment plant so as to reduce the pollution degree of the water pollution source, the water pollution source may not enter the river completely and cause pollution, and therefore, in order to improve the accuracy of determining the pollution equivalent number of the water pollution source, the amount of each pollution index actually discharged into the river can be determined based on the discharge amount of the pollution index in the water pollution source and the sewage treatment coefficient, and the pollution equivalent number of the water pollution source can be determined.
The discharge amount is the amount of water pollution source directly discharged from the original source generating the water pollution source.
The river inflow is the amount of water pollution source entering the river.
It should be noted that the discharge amount of at least one pollution index of the water pollution source and the sewage treatment coefficient can be obtained by setting in advance.
The river inflow of the at least one pollution index can be determined based on the discharge amount of the at least one pollution index and the sewage treatment coefficient by the following formula 1:
Qi＝w×qi(formula 1)
Wherein i is the pollution index of the ith item; q. q.siThe emission amount is the pollution index of the ith item; qiThe river inflow amount is the pollution index of the ith item; and w is a sewage treatment coefficient.
The pollution equivalent number of the water pollution source can be determined by the following equations 2 and 3 at the river entry based on at least one pollution index.
First, the pollution equivalent number of each pollution index can be determined based on the river entry and pollution equivalent values of the pollution index by the following formula 2:
wherein A ispiThe number of pollution equivalents which is the i-th pollution index; wiThe pollution equivalent value of the i-th pollution index is Kg, and the pollution equivalent value of each pollution index can be obtained by setting in advance, for example, can be determined by related technicians according to related management regulations.
Next, the pollution equivalent number of the water pollution source can be determined from the pollution equivalent number of the at least one pollution index by the following equation 3:
wherein A ispThe number of pollution equivalents of the water pollution source is n, and the number of pollution index items included in the water pollution source is n.
Optionally, the step of determining water source pollution data of the water pollution source to the water source site based on the pollution equivalent number may include: the method comprises the steps of obtaining water source pollution data of the water pollution source aiming at least one downstream water source area, obtaining at least one water source pollution data, and determining the water source pollution data of the water pollution source aiming at the water source area based on the at least one water source pollution data and first preset weights respectively aiming at the at least one downstream water source area.
Because a water pollution source may cause pollution to more than one water source place, particularly, the pollution caused by the downstream water source places is serious due to the fact that the water flow propagation speed is high, and the severity of the pollution caused by the water pollution is different due to the influence of factors such as water supply population and the like on different water source places, in order to further improve the accuracy of determining the water source pollution data of the water pollution source to the water source places, the water source pollution data of the water pollution source to the water source places can be determined based on the water source pollution data of the water pollution source to each downstream water source place and the importance degree of each downstream water source place.
The first preset weight of the downstream water source location may be determined in advance according to a water supply population corresponding to the downstream water source location.
The water source pollution data of the water pollution source to the water source site can be determined based on at least one water source pollution data and first preset weights respectively for the at least one downstream water source site by the following formula 4:
wherein j is the jth downstream source; n is the total number of downstream water sources; wjA first preset weight for a jth downstream source site;
water source contamination data for a water contamination source versus a jth downstream source location.
Optionally, the step of obtaining water source pollution data of the water pollution source for at least one downstream water source site may include: and acquiring the flow rate and the distance between the water pollution source and at least one downstream water source site respectively, and acquiring water source pollution data of the water pollution source aiming at the at least one downstream water source site based on the pollution equivalent number and the flow rate and the distance between the water pollution source and the at least one downstream water source site respectively.
Because the pollution mode of the water pollution source to the downstream water source is mainly pollution through water flow, when the distance between the water pollution source and the downstream water source is shorter and the flow rate of the water flow is larger, the pollution to the downstream water source is more serious, and therefore, in order to further improve the accuracy of obtaining the water source pollution data of the water pollution source aiming at each water source, the water source pollution data of each water source to each water source can be determined based on the equivalent number of the water pollution source, the flow rate of the water flow and the distance between the water pollution source and each downstream water source.
The manner of determining the flow rate and the distance between the water pollution source and the downstream water source location may refer to the related description in the foregoing, and details are not repeated here.
It should be noted that the flow rate may be a flow rate between the water pollution source and the intake of the downstream water source.
Water source pollution data of the water pollution source for the at least one water source site can be obtained based on the pollution equivalent number, the water flow rates and the distances between the water pollution source and the at least one downstream water source site respectively by the following formula 5:
wherein, VjThe flow rate of water from the water pollution source to the water intake of the jth water source; djIs the distance between the water pollution source and the water intake of j water sources.
Optionally, referring to fig. 2, a flow chart of a method for determining water source pollution data of a water pollution source to a water source location is provided.
Optionally, the step of determining the evaluation data of the water pollution source based on the pollution equivalent number, the economic benefits data and the water source pollution data may comprise: acquiring a second preset weight aiming at the pollution equivalent number, determining a first product of the pollution equivalent number and the second preset weight, acquiring a third preset weight aiming at the water source pollution data, determining a second product of the water source pollution data and the third preset weight, summing the first product and the second product, acquiring a ratio between the sum and the economic benefit data, and determining evaluation data of the water pollution source.
In order to fully consider the importance degree of the negative influence possibly brought by the water pollution and further improve the accuracy of the comprehensive evaluation of the water pollution source, the corresponding weight can be set aiming at the pollution equivalent number and the water source pollution data, so that the evaluation data of the water pollution source can be determined and obtained.
The evaluation data as the water pollution source can be determined by the following equation 6:
wherein the content of the first and second substances,
is a second preset weight;
is a third preset weight; t isscThe economic benefit data; and A is evaluation data of a water pollution source.
Of course, in practical applications, a fourth preset weight may be set for the economic benefit data, so that after determining the sum of the product of the pollution equivalent number and the second preset weight and the product of the water source pollution data and the third preset weight, the ratio between the determined sum and the economic benefit data and the fourth preset weight is determined as the evaluation data of the water pollution source.
Referring to fig. 3, a functional block diagram of an apparatus 300 for evaluating a water pollution source according to the present disclosure is shown. It should be noted that the basic principle and the technical effects of the evaluation apparatus 300 for a water pollution source provided in the present embodiment are the same as those of the corresponding method embodiments described above, and for a brief description, reference may be made to corresponding contents in the method embodiments for a part not mentioned in the present embodiment. The apparatus 300 for evaluating a water pollution source includes an acquisition module 301, a first determination module 302, and a second determination module 303.
An obtaining module 301, configured to obtain pollution equivalent and economic benefit data of a water pollution source;
a first determining module 302 for determining water source pollution data of the water pollution source to the water source site based on the pollution equivalent number;
a second determining module 303 for determining evaluation data of the water pollution source based on the pollution equivalent number, the economic benefits data and the water source pollution data.
Optionally, the first determining module 302 is specifically configured to:
acquiring water source pollution data of the water pollution source aiming at least one downstream water source area to obtain at least one water source pollution data;
and determining the water source pollution data of the water pollution source to the water source area based on the at least one water source pollution data and first preset weights respectively aiming at the at least one downstream water source area.
Optionally, the first determining module 302 is further configured to:
acquiring the flow rate and the distance between the water pollution source and the at least one downstream water source respectively;
and acquiring water source pollution data of the water pollution source aiming at the at least one downstream water source area based on the pollution equivalent number, the water flow velocity and the distance between the water pollution source and the at least one downstream water source area respectively.
Optionally, the second determining module 303 is specifically configured to:
acquiring a second preset weight aiming at the pollution equivalent number, and determining a first product of the pollution equivalent number and the second preset weight;
acquiring a third preset weight aiming at the water source pollution data, and determining a second product of the water source pollution data and the third preset weight;
and summing the first product and the second product, acquiring a ratio between the sum and the economic benefit data, and determining the evaluation data of the water pollution source.
Optionally, the obtaining module 301 is specifically configured to:
obtaining the discharge amount of at least one pollution index in the water pollution source and the sewage treatment coefficient;
determining the river inflow amount of the at least one pollution index based on the discharge amount of the at least one pollution index and the sewage treatment coefficient;
determining a pollution equivalent number of the source of water pollution based on the river entry amount of the at least one pollution indicator.
The above-mentioned apparatus is used for executing the method provided by the foregoing embodiment, and the implementation principle and technical effect are similar, which are not described herein again.
These above modules may be one or more integrated circuits configured to implement the above methods, such as: one or more Application Specific Integrated Circuits (ASICs), or one or more microprocessors (DSPs), or one or more Field Programmable Gate Arrays (FPGAs), among others. For another example, when one of the above modules is implemented in the form of a processing element scheduler code, the processing element may be a general-purpose processor, such as a Central Processing Unit (CPU) or other processor capable of calling program code. For another example, these modules may be integrated together and implemented in the form of a system-on-a-chip (SOC).
Fig. 4 is a schematic diagram of functional modules of an electronic device according to the present disclosure. The electronic device may include a computer-readable storage medium 401 storing a computer program and a processor 402, and the processor 402 may call the computer program stored in the computer-readable storage medium 401. The above-described method embodiments may be implemented when the computer program is read and executed by the processor 402. The specific implementation and technical effects are similar, and are not described herein again.
Optionally, the present disclosure also provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is read and executed by a processor, the above method embodiments may be implemented.
In the several embodiments provided in the present disclosure, it should be understood that the above-described apparatus embodiments are merely illustrative, and the disclosed apparatus and method may be implemented in other ways. For example, the division of the unit is only a logical function division, and in actual implementation, there may be another division manner, for example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or may not be executed, for example, each unit may be integrated into one processing unit, each unit may exist alone physically, or two or more units may be integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Claims (2)
1. A method for evaluating a water pollution source, comprising:
determining the river inflow amount of each pollution index based on the product of the discharge amount of each pollution index in a plurality of pollution indexes in a water pollution source and a sewage treatment coefficient;
determining the pollution equivalent number of each pollution index based on the ratio of the river entering amount to the pollution equivalent value of each pollution index, wherein the pollution equivalent value of each pollution index is obtained by setting in advance;
accumulating the pollution equivalent numbers of the plurality of pollution indexes to determine the pollution equivalent number of the water pollution source;
obtaining economic benefit data of the water pollution source, wherein the economic benefit data of the water pollution source is determined by evaluating production or living activities;
acquiring the flow rate and the distance between the water pollution source and at least one downstream water source;
acquiring water source pollution data of the water pollution source for the at least one downstream source site based on the pollution equivalent number, the water flow velocity and the distance between the water pollution source and the at least one downstream source site respectively, wherein the water source pollution data is used for indicating pollution degree;
determining water source pollution data of the water pollution source to the water source area based on at least one piece of water source pollution data and first preset weights respectively aiming at least one downstream water source area, wherein the first preset weights of the downstream water source area are determined in advance according to a water supply population corresponding to the downstream water source area;
obtaining a second preset weight for the number of pollution equivalents, determining a first product of the number of pollution equivalents and the second preset weight;
acquiring a third preset weight aiming at the water source pollution data, and determining a second product of the water source pollution data and the third preset weight;
determining the sum of the first product and the second product, obtaining the ratio of the sum to the economic benefit data, and determining the evaluation data of the water pollution source.
2. An apparatus for evaluating a source of water pollution, the apparatus comprising:
the system comprises an acquisition module, a storage module and a control module, wherein the acquisition module is used for determining the river entering amount of each pollution index based on the product of the discharge amount of each pollution index in a plurality of pollution indexes in a water pollution source and a sewage treatment coefficient; determining the pollution equivalent number of each pollution index based on the ratio of the river entering amount to the pollution equivalent value of each pollution index, wherein the pollution equivalent value of each pollution index is obtained by setting in advance; accumulating the pollution equivalent numbers of the plurality of pollution indexes to determine the pollution equivalent number of the water pollution source; obtaining economic benefit data of the water pollution source, wherein the economic benefit data of the water pollution source is determined by evaluating production or living activities;
the first determining module is used for acquiring the flow rate and the distance between the water pollution source and at least one downstream water source; acquiring water source pollution data of the water pollution source for the at least one downstream source site based on the pollution equivalent number, the water flow velocity and the distance between the water pollution source and the at least one downstream source site respectively, wherein the water source pollution data is used for indicating pollution degree; determining water source pollution data of the water pollution source to the water source area based on at least one piece of water source pollution data and first preset weights respectively aiming at least one downstream water source area, wherein the first preset weights of the downstream water source area are determined in advance according to a water supply population corresponding to the downstream water source area;
a second determining module for obtaining a second preset weight for the pollution equivalent number, and determining a first product of the pollution equivalent number and the second preset weight; acquiring a third preset weight aiming at the water source pollution data, and determining a second product of the water source pollution data and the third preset weight; determining the sum of the first product and the second product, obtaining the ratio of the sum to the economic benefit data, and determining the evaluation data of the water pollution source.
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| CN105184095A (en) * | 2015-09-24 | 2015-12-23 | 中国环境科学研究院 | Method for evaluating underground water pollution source intensity |
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| CN105184095A (en) * | 2015-09-24 | 2015-12-23 | 中国环境科学研究院 | Method for evaluating underground water pollution source intensity |
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