CN113283118B - O-based 3 Method and device for acquiring environment capacity of standard constraint - Google Patents
O-based 3 Method and device for acquiring environment capacity of standard constraint Download PDFInfo
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Abstract
The application discloses a method based on O 3 Provided are an environment capacity acquisition method and device for meeting the standard constraint. The O is based on 3 The environment capacity acquisition method for the standard constraint comprises the following steps: acquiring an environment capacity input parameter set of a target year; transforming NO in an ambient capacity input parameter set x Coefficients and/or VOCs coefficients to generate an ambient capacity accounting parameter set; acquiring an air quality model; obtaining reference O 3 Simulating the concentration; acquiring accounting O 3 Simulating the concentration; by reference O 3 Simulated concentration and accounting O 3 Simulating concentration to obtain concentration reduction proportion; determining whether there is an accounting O 3 Simulating that the concentration reaches a first preset condition and a second preset condition according to the concentration reduction ratio, if so, acquiring the accounting O 3 And (5) an environment capacity accounting parameter set corresponding to the simulated concentration. O-based according to the application 3 The whole process of the environment capacity acquisition method meeting the standard is not influenced by human factors, the result is accurate, and compared with the prior art, the material resources and manpower are saved.
Description
Technical Field
The application relates to the technical field of environmental capacity, in particular to a method based on O 3 Provided are an environment capacity acquisition method and device for meeting the standard constraint.
Background
At present, with the rapid development of the economy and the improvement of industrialization and urbanization level in China, the atmospheric pollution of main urban groups in China is changed from PM 10 、PM 2.5 The regional pollution problem of single pollutant which is a characteristic is rapidly converted into the atmospheric environment problem with structural, compression and composite pollution characteristics. In recent years, special measures for atmospheric treatment implemented in China enable the quality of ambient air to be continuously improved, and the national PM is 2016-2018 2.5 、PM 10 、SO 2 The proportion of the concentration of CO and the number of days exceeding standard is obviously reduced year by year, O 3 The ratio of concentration to superscalar days showed an upward trend year by year. In 2018 Jing Ji and surrounding area O 3 The number of days of the first pollutant is 46.0% of the total exceeding number of days, and PM is exceeded for the first time 2.5 The ratio of the number of times of exceeding standard of the primary pollutants becomes the primary pollutants affecting the quality of the environmental air of Jinjin Ji. O (O) 3 Is strong in oxidizing property and promotes SO 2 With NO 2 Oxidation of gaseous pollutants to PM 2.5 The degree of the composite air pollution is increased, and meanwhile, the O with high concentration 3 Can seriously damage human health and the surface ecosystem.
Wherein the ozone is NO in the air x And the precursor such as VOCs and the like is secondary pollutant formed by complex photochemical reaction under the meteorological conditions such as high temperature, strong solar radiation and the like. Thus from NO x And monitoring VOCs to judge the change of ozone.
In the prior art, the emission reduction scheme is planned through subjective human, and no objective method is adopted for scientific planning, so that the situation that the planned emission reduction scheme cannot achieve a preset effect or the planned emission reduction scheme needs to be adjusted for many times occurs, and labor and time are wasted.
It is therefore desirable to have a solution that overcomes or at least alleviates at least one of the above-mentioned drawbacks of the prior art.
Disclosure of Invention
The application aims to provide a method based on O 3 An environmental capacity acquisition method of compliance constraints overcomes or at least alleviates at least one of the above-identified deficiencies of the prior art.
In one aspect of the application, an O-based is provided 3 Environmental capacity acquisition method based on standard constraint, wherein the method is based on O 3 The environment capacity acquisition method for the standard constraint comprises the following steps:
acquiring an environmental capacity input parameter set of a target year, wherein the environmental capacity input parameter set comprises NO x Parameters, VOCs parameters, NO x Coefficients and VOCs coefficients;
transforming NO in the ambient capacity input parameter set x Coefficients and/or the VOCs coefficients to generate one or more sets of environmental capacity accounting parameters, when the environmental capacity accounting parametersWhen the groups are multiple groups, NO in each group of environment capacity accounting parameter groups x NO in the coefficient and other environmental capacity accounting parameter set x The coefficients are different and/or the VOCs parameters in each ambient capacity accounting parameter set are different from the VOCs parameters in other ambient capacity accounting parameter sets;
acquiring an air quality model;
inputting the environmental capacity input parameter set to the air quality model so as to obtain a reference O corresponding to the environmental capacity input parameter set 3 Simulating the concentration;
inputting each group of environment capacity accounting parameters into the air quality model respectively so as to obtain accounting O corresponding to each group of environment capacity accounting parameters 3 Simulating the concentration;
by reference O 3 The simulated concentration is respectively calculated with each accounting O 3 Calculating the simulated concentration to obtain a concentration decrease ratio, wherein one concentration decrease ratio corresponds to one accounting O 3 Simulating the concentration;
judging each of the accounting O 3 Whether or not there is one accounting O in the simulated concentration 3 The simulated concentration reaches a first preset condition and O is calculated according to the calculation 3 The concentration decrease ratio obtained by simulating the concentration reaches a second preset condition, if any,
then obtain the accounting O 3 And (5) an environment capacity accounting parameter set corresponding to the simulated concentration.
Optionally, the set of environmental capacity input parameters further comprises SO 2 Parameters, CO parameters, NH 3 Parameters, PM 10 Parameters and PM 2.5 Parameters.
Optionally, the number of the environmental capacity accounting parameter sets is three, wherein,
a set of said environmental capacity accounting parameters is obtained by transforming said NO x Obtaining coefficients;
a set of said environmental capacity accounting parameter sets is obtained by transforming said VOCs coefficients;
a set of said environmental capacity accounting parameters is obtained by simultaneously varying said NO x Coefficients and VOCs coefficients are obtained.
Optionally, the air quality model is a WRF-CMAQ model.
Optionally, the passing reference O 3 The simulated concentration is respectively calculated with each accounting O 3 Calculating the simulated concentration to obtain a concentration decrease ratio includes:
the concentration decrease ratio is obtained by adopting the following formula:
wherein, the liquid crystal display device comprises a liquid crystal display device,
Δ i is the concentration decrease ratio; c (C) 1 As reference O 3 Analog concentration, C i Accounting O corresponding to the environment capacity accounting parameter group of the ith group 3 The concentration was simulated.
Optionally, the first preset condition is:
accounting O 3 Simulating O of season representative month with concentration less than target year 3 Assume a concentration.
Optionally, the second preset condition is:
the accounting O 3 The concentration decrease ratio obtained by simulating the concentration is greater than or equal to the preset concentration decrease ratio.
Optionally, the season of the target year represents month O 3 Assume that the concentration is obtained using the following formula:
wherein, the liquid crystal display device comprises a liquid crystal display device,
C m for the target year O 3 Annual target concentration, C' j The season of the reference year represents the target pollutant observed concentration of the month, C j As the observed concentration of the target pollutant in the whole year of the reference year, C' m O representing month for the season of the target year 3 Assume a concentration.
Optionally, the preset concentration is obtained by adopting the following formula:
wherein, the liquid crystal display device comprises a liquid crystal display device,
C m annual target concentration of target contaminant, C, for a target year j The observed concentration of the target pollutant is the reference year round, and delta is the preset concentration.
The application also provides a device based on O 3 Environmental capacity acquisition device based on standard constraint, which is based on O 3 The environment capacity acquisition device for achieving the standard constraint comprises:
an environmental capacity input parameter set acquisition module, configured to acquire an environmental capacity input parameter set of a target year, where the environmental capacity input parameter set includes NO x Parameters, VOCs parameters, NO x Coefficients and VOCs coefficients;
a transformation generation module for transforming NO in the environmental capacity input parameter set x Coefficients and/or the VOCs coefficients thereby generating one or more sets of environment capacity accounting parameter sets, where NO in each set of environment capacity accounting parameter sets when the environment capacity accounting parameter sets are plural x NO in the coefficient and other environmental capacity accounting parameter set x The coefficients are different and/or the VOCs parameters in each ambient capacity accounting parameter set are different from the VOCs parameters in other ambient capacity accounting parameter sets;
the air quality model acquisition module is used for acquiring an air quality model;
accounting O 3 An analog concentration acquisition module, accounting for O 3 The simulated concentration acquisition module is used for respectively inputting each group of environment capacity accounting parameters into the air quality model so as to acquire the accounting O corresponding to the group of environment capacity accounting parameters 3 Simulating the concentration;
reference O 3 An analog concentration acquisition module, the reference O 3 The simulation concentration acquisition module is used for inputting the environment capacity input parameter set to the air quality model so as to acquire a reference O corresponding to the environment capacity input parameter set 3 Simulating the concentration;
a concentration drop ratio acquisition module for passing through the reference O 3 The simulated concentration is respectively calculated with each accounting O 3 Calculating the simulated concentration to obtain a concentration decrease ratio, wherein one concentration decrease ratio corresponds to one accounting O 3 Simulating the concentration;
the judging module is used for judging each accounting O 3 Whether or not there is one accounting O in the simulated concentration 3 The simulated concentration reaches a first preset condition and O is calculated according to the calculation 3 Simulating that the concentration reduction ratio obtained by concentration reaches a second preset condition;
a parameter set acquisition module for acquiring the accounting O when the judgment module judges yes 3 And (5) an environment capacity accounting parameter set corresponding to the simulated concentration.
Advantageous effects
O-based according to the application 3 Environmental capacity acquisition method of standard constraint utilizes O 3 And the standard is restricted, the emission reduction scheme is formulated by combining the WRF-CMAQ model simulation result, the reasonable environment capacity is finally obtained, the whole process is not influenced by human factors, the result is accurate, and compared with the prior art, the material resources and manpower are saved.
Drawings
FIG. 1 is a schematic illustration of an embodiment of the present application based on O 3 A flow diagram of an environment capacity acquisition method of standard constraint.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application become more apparent, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the application. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting 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. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
It should be noted that in the description of the present application, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
FIG. 1 is a schematic illustration of an embodiment of the present application based on O 3 A flow diagram of an environment capacity acquisition method of standard constraint.
O-based as shown in FIG. 1 3 The environment capacity acquisition method for the standard constraint comprises the following steps:
step 1, acquiring an environmental capacity input parameter set of a target year, wherein the environmental capacity input parameter set comprises NO x Parameters, VOCs parameters, NO x Coefficients and VOCs coefficients;
step 2, converting NO in the environment capacity input parameter set x Coefficients and/or said VOCs coefficients thereby generating one or more sets of environment capacity accounting parameter sets, NO in each set of environment capacity accounting parameter sets when the environment capacity accounting parameter sets are plural x NO in the coefficient and other environmental capacity accounting parameter set x The coefficients are different and/or the VOCs parameters in each ambient capacity accounting parameter set are different from the VOCs parameters in other ambient capacity accounting parameter sets;
step 3, acquiring an air quality model;
step 4, inputting the environment capacity input parameter set into the air quality model so as to obtain a reference O corresponding to the environment capacity input parameter set 3 Simulating the concentration;
step 5, inputting each group of environment capacity accounting parameters into an air quality model respectively so as to obtain the accounting O corresponding to each group of environment capacity accounting parameters 3 Simulating the concentration;
step 6, through reference O 3 The simulated concentration is respectively calculated with each accounting O 3 Calculating the simulated concentration to obtain a concentration decrease ratio, wherein one concentration decrease ratio corresponds to one accounting O 3 Simulating the concentration;
step 7, judging each accounting O 3 Whether or not there is one accounting O in the simulated concentration 3 The simulated concentration reaches a first preset condition and O is calculated according to the calculation 3 The concentration decrease ratio obtained by simulating the concentration reaches a second preset condition, if any,
step 8, obtaining the accounting O 3 And (5) an environment capacity accounting parameter set corresponding to the simulated concentration.
O-based according to the application 3 Environmental capacity acquisition method of standard constraint utilizes O 3 And the standard is restricted, the emission reduction scheme is formulated by combining the WRF-CMAQ model simulation result, the reasonable environment capacity is finally obtained, the whole process is not influenced by human factors, the result is accurate, and compared with the prior art, the material resources and manpower are saved.
In this embodiment, the environmental capacity input parameter set further includes SO 2 Parameters, CO parameters, NH 3 Parameters, PM 10 Parameters and PM 2.5 Parameters.
In the present embodiment, the number of the environmental capacity accounting parameter sets is three, wherein,
a set of environmental capacity accounting parameters is obtained by transforming NO x Obtaining coefficients;
a group of environment capacity accounting parameter groups are obtained by transforming VOCs coefficients;
a set of environmental capacity accounting parameters is obtained by simultaneously varying NO x Coefficients and VOCs coefficients are obtained.
In this embodiment, the air quality model is a WRF-CMAQ model.
Specifically, a simulation is performed using a WRF-CMAQ air quality model, which provides a regional meteorological field for the CMAQ. Initial input data for the WRF model employed FNL global analysis data with a temporal resolution of 6h, a horizontal resolution of 1 ° x 1 ° provided by the national environmental prediction center (NCEP). The WRF model simulation result is converted into a CMAQ model input format through an MCIP program. The simulation area adopts a Lambert projection coordinate system, three layers of nested grids of 36km, 12km and 4km are selected, the 36km simulation result provides a boundary transmission result for 12km, and the 12km simulation result provides a boundary transmission result for 4 km. The CMAQ model simulation area is provided with 14 air pressure layers in the vertical direction, and the layer spacing is gradually increased from bottom to top; the chemical mechanism is CB-05 gas phase chemical reaction mechanism and AERO6 aerosol reaction mechanism.
The atmospheric pollutant emission list required by the CMAQ model covers fossil fuel fixed combustion sources, process sources, mobile sources, solvent use sources, agricultural sources, dust sources, biomass combustion sources, storage and transportation sources, waste treatment sources, natural sources and other emission sources and the like, and the pollutant types mainly comprise SO 2 、NO X 、CO、NH 3 、VOCs、PM 10 And PM 2.5 Etc. The local anthropogenic atmospheric pollutant emission list is a self-established emission list, the anthropogenic emission data of the surrounding area adopts a university of Qinghai MEIC emission list, and the natural source VOCs emission list is calculated by using a MEGAN natural source emission list model.
In the present embodiment, by reference O 3 The simulated concentration is respectively calculated with each accounting O 3 Calculating the simulated concentration to obtain a concentration decrease ratio includes:
the concentration decrease ratio is obtained by adopting the following formula:
wherein, the liquid crystal display device comprises a liquid crystal display device,
Δ i is the concentration decrease ratio; c (C) 1 As reference O 3 Analog concentration, C i Accounting O corresponding to the environment capacity accounting parameter group of the ith group 3 The concentration was simulated.
In this embodiment, the first preset condition is:
accounting O 3 Simulating O of season representative month with concentration less than target year 3 Assume a concentration.
In this embodiment, the second preset condition is:
accounting O 3 The concentration decrease ratio obtained by simulating the concentration is greater than or equal to the preset concentration decrease ratio.
In the present embodiment, the season of the target year represents O of month 3 Assume that the concentration is obtained using the following formula:
wherein, the liquid crystal display device comprises a liquid crystal display device,
C m for the target year O 3 Annual target concentration, C' j The season of the reference year represents the target pollutant observed concentration of the month, C j As the observed concentration of the target pollutant in the whole year of the reference year, C' m O representing month for the season of the target year 3 Assume a concentration.
In this embodiment, the preset concentration is obtained by using the following formula:
wherein, the liquid crystal display device comprises a liquid crystal display device,
C m annual target concentration of target contaminant, C, for a target year j The observed concentration of the target pollutant is the reference year round, and delta is the preset concentration.
In this embodiment, the present application further includes:
judging each of the accounting O 3 Whether or not there is one accounting O in the simulated concentration 3 The simulated concentration reaches a first preset condition and O is calculated according to the calculation 3 The concentration reduction ratio obtained by simulating the concentration reaches a second preset condition, if not,
returning to step 2, and reconverting NO in said ambient capacity input parameter set x Coefficients and/or the VOCs coefficients thereby generating one or more sets of environment capacity accounting parameter sets, where NO in each set of environment capacity accounting parameter sets when the environment capacity accounting parameter sets are plural x NO in the coefficient and other environmental capacity accounting parameter set x The coefficients are different and/or the VOCs parameters in each ambient capacity accounting parameter set are different from the VOCs parameters in other ambient capacity accounting parameter sets;
for example, in the present embodiment, in the first step 2, three sets of environment capacity accounting parameter sets are generated, and the subsequent steps are performed according to the three sets of environment capacity accounting parameter sets, if one of the three sets meets the above-mentioned judgment conditions, the present application directly obtains the environment capacity accounting parameter sets meeting the conditions, and if none of the three sets meets the above-mentioned judgment conditions, the manner of repeatedly adjusting the environment capacity input parameter sets may be used until the environment capacity accounting parameter sets reach the above-mentioned judgment conditions.
In this embodiment, the above-mentioned adjustment and acquisition of the environmental capacity accounting parameter sets are performed each time with three environmental capacity accounting parameter sets as one cycle.
The application is described in further detail below by way of examples, which should not be construed as limiting the application in any way.
Setting the target year as 2022, and setting the target pollutant of 2022 environmental capacity as O 3 Target year O 3 The annual target concentration of (2) is 140 mu g/m 3 。
The reference year is 2018, and the target pollutant observed concentration of the season representative month of the reference year is 162 mug/m 3 The observed concentration of the annual target pollutant in the reference year is 150 mug/m 3 The season of the target year represents month O 3 Assume a concentration of 162 x 140/150=151.2 μg/m 3 。
Target year O 3 The annual target concentration of (2) is 140 mu g/m 3 The observed concentration of the annual target pollutant in the reference year is 150 mug/m 3 The target annual target pollutant concentration decrease ratio target (preset concentration) Δ is (150-140)/150×100% =6.7%.
Transforming NO in the ambient capacity input parameter set x Coefficients and/or the VOCs coefficients thereby generating one or more sets of environment capacity accounting parameter sets, where NO in each set of environment capacity accounting parameter sets when the environment capacity accounting parameter sets are plural x NO in the coefficient and other environmental capacity accounting parameter set x The coefficients are different and/or the VOCs parameters in each ambient capacity accounting parameter set are different from the VOCs parameters in other ambient capacity accounting parameter sets.
For example, referring to table 1 below, three sets of environment capacity accounting parameter sets are generated, respectively: NO (NO) x Coefficient of 50%VOCs coefficient of 50% and NO x And VOCs coefficients of 50%.
Inputting each group of environment capacity accounting parameters into the air quality model respectively so as to obtain the accounting O corresponding to the group of environment capacity accounting parameters 3 The concentration was simulated.
Inputting the environmental capacity input parameter set into the air quality model so as to obtain a reference O corresponding to the environmental capacity input parameter set 3 The concentration was simulated.
By reference O 3 The simulated concentration is respectively calculated with each accounting O 3 The simulated concentration is calculated to obtain the concentration decrease ratio. The results were as follows:
as can be seen from the above table, each accounting O in the results 3 O of season representative month with simulated concentration lower than target year 3 Let the concentration C' m I.e. the first preset condition is met, however, each concentration decrease ratio is lower than the target annual target pollutant concentration decrease ratio target (preset concentration) delta, and does not reach the standard, so step 2 is returned to reconvert the NO in the environmental capacity input parameter set x The coefficients and/or the VOCs coefficients thereby generate one or more sets of environment capacity accounting parameters, it being understood that the previously transformed sets of environment capacity accounting parameters are not repeatedly transformed.
In one embodiment, the following scheme is used to transform NO in the ambient capacity input parameter set x Coefficients and/or the VOCs coefficients thereby generating one or more sets of environmental capacity accounting parameters.
NO which has been changed before x Transforming on the basis of coefficients and/or the VOCs coefficients, in particular such transforming being based on NO x Coefficients and/or the VOCsThe s-factor is incremented, for example, assuming a first NO x The coefficients are 50%, then sequentially increasing in units of 5%, e.g. NO for the first time x The coefficient is 50%, the second time is NO x The coefficient is 55%, the third time is NO x The coefficient was 60%.
Assuming that the first VOCs coefficient is 50%, the values are sequentially incremented by 5%, for example, the first VOCs coefficient is 50%, the second VOCs coefficient is 55%, and the third VOCs coefficient is 60%.
It will be appreciated that NO alone may be performed x The transformation of the coefficients can be performed independently or simultaneously with the transformation of the VOCs coefficients x Transform of coefficients and transform of VOCs coefficients.
See the following table, which shows the variant of this example.
In this embodiment, when the three environmental capacity accounting parameter sets acquired for the first time do not satisfy the first preset condition and the second preset condition, the present application transforms NO in the environmental capacity input parameter sets x Coefficients and/or the VOCs coefficients thereby generating new three sets of environment capacity accounting parameters, hereinafter first, second and third sets, in particular NO in the first set of environment capacity accounting parameters x Emission reduction coefficient of 50%, emission reduction coefficient of VOCs of 0%, NO in the second set of environmental capacity accounting parameters x Emission reduction coefficient of 0%, emission reduction coefficient of VOCs of 75%, NO in the third group of environment capacity accounting parameter sets x The emission reduction coefficient was 50%, the emission reduction coefficient of VOCs was 75%, and the accounting O for each group was calculated 3 The concentration and the concentration decrease ratio were simulated, and the results were as follows:
as can be seen from the results of the above table, in the first group to the third group, O is calculated 3 O of season representative month with simulated concentration lower than target year 3 Let the concentration C' m And the concentration decrease proportion of the second group is higher than the target annual target pollutant concentration decrease proportion target delta, so that the second group reaches the standard, and the environmental capacity accounting parameter group of the second group is adopted, namely the pollutant simulated emission quantity obtained by the environmental capacity accounting parameter group of the second group is the environmental capacity.
The application is based on practical point of attention to the primary pollutant O of the current air pollution 3 Provides a new method for environmental capacity assessment, and is applicable to O 3 Has important significance in standard emission planning.
The application also provides a device based on O 3 Environmental capacity acquisition device based on standard constraint, which is based on O 3 The environment capacity acquisition device for achieving the standard constraint comprises an environment capacity input parameter set acquisition module, a transformation generation module, an air quality model acquisition module and an accounting O 3 Analog concentration acquisition module, reference O 3 The device comprises an analog concentration acquisition module judging module, a parameter group acquisition module and a concentration reduction proportion acquisition module, wherein,
the environment capacity input parameter set acquisition module is used for acquiring an environment capacity input parameter set of a target year, wherein the environment capacity input parameter set comprises NO x Parameters, VOCs parameters, NO x Coefficients and VOCs coefficients;
the transformation generating module is used for transforming NO in the environment capacity input parameter set x Coefficients and/or said VOCs coefficients thereby generating one or more sets of environment capacity accounting parameter sets, NO in each set of environment capacity accounting parameter sets when the environment capacity accounting parameter sets are plural x Coefficient and other environmental capacity accounting parametersNO in group x The coefficients are different and/or the VOCs parameters in each ambient capacity accounting parameter set are different from the VOCs parameters in other ambient capacity accounting parameter sets;
the air quality model acquisition module is used for acquiring an air quality model;
accounting O 3 The simulated concentration acquisition module is used for respectively inputting each group of environment capacity accounting parameters into the air quality model so as to acquire the accounting O corresponding to the group of environment capacity accounting parameters 3 Simulating the concentration;
reference O 3 The simulated concentration acquisition module is used for inputting the environment capacity input parameter set into the air quality model so as to acquire a reference O corresponding to the environment capacity input parameter set 3 Simulating the concentration;
the concentration drop proportion acquisition module is used for passing through the reference O 3 The simulated concentration is respectively calculated with each accounting O 3 Calculating the simulated concentration to obtain a concentration decrease ratio, wherein one concentration decrease ratio corresponds to one accounting O 3 Simulating the concentration;
the judging module is used for judging each accounting O 3 Whether or not there is one accounting O in the simulated concentration 3 The simulated concentration reaches a first preset condition and O is calculated according to the calculation 3 Simulating that the concentration reduction ratio obtained by concentration reaches a second preset condition;
the parameter set acquisition module is used for acquiring the accounting O when the judgment module judges that the judgment is yes 3 And (5) an environment capacity accounting parameter set corresponding to the simulated concentration.
The above description of the method also applies to the description of the device.
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.
Furthermore, it is evident that the word "comprising" does not exclude other elements or steps. A plurality of units, modules or means recited in the apparatus claims can also be implemented by means of software or hardware by means of one unit or total means. The terms first, second, etc. are used to identify names, and not any particular order.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The processor referred to in this embodiment may be a central processing unit (Central Processing Unit, CPU), or other general purpose processor, digital signal processor (Digital Signal Processor, DSP), application specific integrated circuit (Application Specific Integrated Circuit, ASIC), off-the-shelf programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory may be used to store computer programs and/or modules, and the processor may perform various functions of the apparatus/terminal device by executing or executing the computer programs and/or modules stored in the memory, and invoking data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program (such as a sound playing function, an image playing function, etc.) required for at least one function, and the like; the storage data area may store data (such as audio data, phonebook, etc.) created according to the use of the handset, etc. In addition, the memory may include high-speed random access memory, and may also include non-volatile memory, such as a hard disk, memory, plug-in hard disk, smart Media Card (SMC), secure Digital (SD) Card, flash Card (Flash Card), at least one disk storage device, flash memory device, or other volatile solid-state storage device.
In this embodiment, the modules/units of the apparatus/terminal device integration may be stored in a computer readable storage medium if implemented in the form of software functional units and sold or used as a separate product. Based on such understanding, the present application may implement all or part of the flow of the method of the above embodiment, or may be implemented by a computer program to instruct related hardware, and the computer program may be stored in a computer readable storage medium, where the computer program, when executed by a processor, may implement the steps of each of the method embodiments described above. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, executable files or in some intermediate form, etc. The computer readable medium may include: any entity or device capable of carrying computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), an electrical carrier signal, a telecommunications signal, a software distribution medium, and so forth.
It should be noted that the content of the computer readable medium can be appropriately increased or decreased according to the requirements of the legislation and the practice of the patent in the jurisdiction. While the application has been described in terms of preferred embodiments, it is not intended to limit the application thereto, and any person skilled in the art can make variations and modifications without departing from the spirit and scope of the present application, and therefore the scope of the application is to be determined from the appended claims.
While the application has been described in detail in the foregoing general description and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the application and are intended to be within the scope of the application as claimed.
Claims (10)
1. O-based 3 The environment capacity acquisition method based on the standard reaching constraint is characterized in that 3 The environment capacity acquisition method for the standard constraint comprises the following steps:
acquiring an environmental capacity input parameter set of a target year, wherein the environmental capacity input parameter set comprises NO x Parameters, VOCs parameters, NO x Coefficients and VOCs coefficients;
transforming NO in the ambient capacity input parameter set x Coefficients and/or the VOCs coefficients thereby generating one or more sets of environment capacity accounting parameter sets, where NO in each set of environment capacity accounting parameter sets when the environment capacity accounting parameter sets are plural x NO in the coefficient and other environmental capacity accounting parameter set x The coefficients are different and/or the VOCs parameters in each ambient capacity accounting parameter set are different from the VOCs parameters in other ambient capacity accounting parameter sets;
acquiring an air quality model;
inputting the environmental capacity input parameter set to the air quality model so as to obtain a reference O corresponding to the environmental capacity input parameter set 3 Simulating the concentration;
inputting each group of environment capacity accounting parameters into the air quality model respectively so as to obtain accounting O corresponding to each group of environment capacity accounting parameters 3 Simulating the concentration;
by reference O 3 The simulated concentration is respectively calculated with each accounting O 3 Simulation of concentrationCalculating the rows to obtain concentration decrease ratios, wherein one concentration decrease ratio corresponds to one accounting O 3 Simulating the concentration;
judging each of the accounting O 3 Whether or not there is one accounting O in the simulated concentration 3 The simulated concentration reaches a first preset condition and O is calculated according to the calculation 3 The concentration decrease ratio obtained by simulating the concentration reaches a second preset condition, if any,
then obtain the accounting O 3 And (5) an environment capacity accounting parameter set corresponding to the simulated concentration.
2. The O-based device of claim 1 3 The environment capacity obtaining method of the standard reaching constraint is characterized in that the environment capacity input parameter set further comprises SO 2 Parameters, CO parameters, NH 3 Parameters, PM 10 Parameters and PM 2.5 Parameters.
3. The O-based device of claim 2 3 The environment capacity obtaining method for the standard constraint is characterized in that the number of the environment capacity accounting parameter sets is three, wherein,
a set of said environmental capacity accounting parameters is obtained by transforming said NO x Obtaining coefficients;
a set of said environmental capacity accounting parameter sets is obtained by transforming said VOCs coefficients;
a set of said environmental capacity accounting parameters is obtained by simultaneously varying said NO x Coefficients and VOCs coefficients are obtained.
4. An O-based according to claim 3 3 The environment capacity obtaining method based on standard constraint is characterized in that the air quality model is a WRF-CMAQ model.
5. The O-based alloy according to claim 4 3 The environment capacity acquisition method of the standard reaching constraint is characterized in that 3 The simulated concentration is respectively calculated with each accounting O 3 Calculating the simulated concentration to obtain a concentration decrease ratio includes:
the concentration decrease ratio is obtained by adopting the following formula:
wherein, the liquid crystal display device comprises a liquid crystal display device,
Δ i is the concentration decrease ratio; c (C) 1 As reference O 3 Analog concentration, C i Accounting O corresponding to the environment capacity accounting parameter group of the ith group 3 The concentration was simulated.
6. The O-based catalyst of claim 5 3 The method for acquiring the environment capacity under the constraint of reaching the standard is characterized in that the first preset condition is as follows:
accounting O 3 Simulating O of season representative month with concentration less than target year 3 Assume a concentration.
7. The O-based device of claim 6 3 The method for acquiring the environment capacity under the standard constraint is characterized in that the second preset condition is as follows:
the accounting O 3 The concentration decrease ratio obtained by simulating the concentration is greater than or equal to the preset concentration decrease ratio.
8. The O-based device of claim 7 3 The method for obtaining the environment capacity of the standard constraint is characterized in that the season of the target year represents the O of the month 3 Assume that the concentration is obtained using the following formula:
wherein, the liquid crystal display device comprises a liquid crystal display device,
C m for the target year O 3 Annual target concentration, C' j The season of the reference year represents the target pollutant observed concentration of the month, C j As the observed concentration of the target pollutant in the whole year of the reference year, C' m O representing month for the season of the target year 3 Assume a concentration.
9. The O-based device of claim 8 3 The environment capacity acquisition method for the standard constraint is characterized in that the preset concentration is acquired by adopting the following formula:
wherein, the liquid crystal display device comprises a liquid crystal display device,
C m annual target concentration of target contaminant, C, for a target year j The observed concentration of the target pollutant is the reference year round, and delta is the preset concentration.
10. O-based 3 The environment capacity acquisition device based on the standard constraint is characterized in that 3 The environment capacity acquisition device for achieving the standard constraint comprises:
an environmental capacity input parameter set acquisition module, configured to acquire an environmental capacity input parameter set of a target year, where the environmental capacity input parameter set includes NO x Parameters, VOCs parameters, NO x Coefficients and VOCs coefficients;
a transformation generation module for transforming NO in the environmental capacity input parameter set x Coefficients and/or the VOCs coefficients thereby generating one or more sets of environment capacity accounting parameter sets, where NO in each set of environment capacity accounting parameter sets when the environment capacity accounting parameter sets are plural x NO in the coefficient and other environmental capacity accounting parameter set x The coefficients are different and/or the VOCs parameters in each ambient capacity accounting parameter set are different from the VOCs parameters in other ambient capacity accounting parameter sets;
the air quality model acquisition module is used for acquiring an air quality model;
accounting O 3 An analog concentration acquisition module, accounting for O 3 The simulated concentration acquisition module is used for respectively inputting each group of environment capacity accounting parameters into the air quality model so as to acquire the corresponding environment capacity accounting parametersIs calculated by O 3 Simulating the concentration;
reference O 3 An analog concentration acquisition module, the reference O 3 The simulation concentration acquisition module is used for inputting the environment capacity input parameter set to the air quality model so as to acquire a reference O corresponding to the environment capacity input parameter set 3 Simulating the concentration;
a concentration drop ratio acquisition module for passing through the reference O 3 The simulated concentration is respectively calculated with each accounting O 3 Calculating the simulated concentration to obtain a concentration decrease ratio, wherein one concentration decrease ratio corresponds to one accounting O 3 Simulating the concentration;
the judging module is used for judging each accounting O 3 Whether or not there is one accounting O in the simulated concentration 3 The simulated concentration reaches a first preset condition and O is calculated according to the calculation 3 Simulating that the concentration reduction ratio obtained by concentration reaches a second preset condition;
a parameter set acquisition module for acquiring the accounting O when the judgment module judges yes 3 And (5) an environment capacity accounting parameter set corresponding to the simulated concentration.
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