CN114358626A - Pollution source tracing analysis method based on geographic information software and air mass analysis software - Google Patents
Pollution source tracing analysis method based on geographic information software and air mass analysis software Download PDFInfo
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Abstract
The invention provides a pollution source traceability analysis method based on geographic information software and air mass analysis software, and relates to the field of pollution source traceability analysis. The pollution source tracing analysis method based on the geographic information software and the air mass analysis software comprises the steps of respectively obtaining geographic information data and pollution source data of a research area; drawing a pollution source distribution map according to the geographic information data and the pollution source data; acquiring meteorological data of a research area in a research time period; drawing an airflow track outline of a research area in a research time period according to meteorological data of the research time period; and obtaining a pollution source tracing analysis graph based on geographic information software and air mass analysis software according to the pollution source distribution graph and the air flow trajectory outline. The method can visually and intuitively show the key points of pollution source control in different stages and under different air mass sources, and can guide development of more refined and more effective pollution source control and emission reduction under different scenes, so that refined control of urban atmosphere is realized.
Description
Technical Field
The invention relates to the field of pollution source traceability analysis, in particular to a pollution source traceability analysis method based on geographic information software and air mass analysis software.
Background
At present, the analysis on the geographic information distribution of the pollution source and the analysis on the regional meteorological conditions are both independent analysis and display, and the combined application of the two is not seen. For example, the geographical position display of the pollution source is mainly based on Arcgis geographical information software, and the display of information such as the emission of different pollution sources can be realized; the air mass source information is mainly analyzed and displayed based on software such as HYSPLIT, MeteoInfo and the like. Both the urban air pollution prevention and control method and the urban air pollution prevention and control system are widely applied to different fields due to powerful functions and visual display, but with continuous development of urban air pollution prevention and control, pollution control slowly enters deep water areas, when managers face the problem of air pollution, control grippers are not clear enough, prevention and control key points are not prominent enough, and a single technical analysis means is more and more difficult to support fine prevention and control requirements of cities.
Disclosure of Invention
The invention aims to provide a pollution source traceability analysis method based on geographic information software and air mass analysis software, which can visually and intuitively show the key points of pollution source control in different stages and under different air mass sources, and can guide the development of more refined and more effective pollution source control and emission reduction under different scenes, thereby realizing the refined prevention and treatment of urban atmosphere.
Embodiments of the invention may be implemented as follows:
the embodiment of the invention provides a pollution source traceability analysis method based on geographic information software and air mass analysis software, which is used for carrying out pollution source traceability analysis by combining the geographic information software and the air mass analysis software, and comprises the following steps:
respectively acquiring geographic information data and pollution source data of a research area;
drawing a pollution source distribution map according to the geographic information data and the pollution source data;
acquiring meteorological data of the research area in a research time period;
drawing an airflow track profile of the research area in the research time period according to the meteorological data of the research time period;
and obtaining a pollution source tracing analysis graph based on geographic information software and air mass analysis software according to the pollution source distribution graph and the air flow track outline.
Further, in an alternative embodiment, the step of obtaining geographic information data for a study area includes: a region map of the study region is extracted from a map prepared in advance.
Further, in an alternative embodiment, the step of extracting a compartmentalized map of the study area from a map prepared in advance is implemented by means of geographic information system software-based; the step of extracting a zone map of the study area from a map prepared in advance includes:
newly building a map document;
loading the map data of the research area in the newly-built map document;
after the loading is completed, setting a projection of the map data of the research area;
after the projection setting is completed, a division map of the study area is extracted and used as geographic information data of the study area.
Further, in an alternative embodiment, the step of setting a projection of the map data of the investigation region uses an equal area Albers projection.
Further, in an optional embodiment, the step of extracting a region map of the research area as the geographic information data of the research area includes:
opening a map attribute table and selecting the research area;
and customizing a storage path, and storing the zoning map of the research area as an shp file.
Further, in an optional embodiment, in the step of acquiring the pollution source data of the research area, the pollution source data includes multiple sets of station longitude and latitude geographic coordinate information and pollutant emission amount information corresponding to the multiple sets of station longitude and latitude geographic coordinate information.
Further, in an alternative embodiment, the step of profiling the airflow trajectory of the area of interest over the time period of interest based on the meteorological data for the time period of interest comprises:
setting research parameters, wherein the research parameters comprise longitude and latitude of a geographical position of a research point and a time period;
loading meteorological data corresponding to the research parameters;
and according to the meteorological data and the research parameters, calculating and combining the airflow track profile.
Further, in an optional embodiment, in the step of obtaining the pollution source traceability analysis graph based on the geographic information software and the air mass analysis software according to the pollution source distribution map and the air mass analysis software, the air flow trajectory profile file is loaded to a main interface of the geographic information software, and the image view area is adjusted to obtain the pollution source traceability analysis graph based on the geographic information software and the air mass analysis software.
The pollution source tracing analysis method based on the geographic information software and the air mass analysis software has the following beneficial effects: by combining the geographic information software and the air mass analysis software to analyze the tracing of the pollution source, clearer and more visual display is realized, and the distribution of the pollution source, the emission amount and the influence on the air quality under different meteorological tracks are determined; meanwhile, detailed pollutant influence and air quality influence cause tracing analysis can be carried out according to the distribution characteristics of different industries and pollutants; specific analysis can be carried out on different industries and different areas, downward key control areas and industrial influences of different time and air masses are determined, and fine control of urban atmospheric pollution prevention and control is supported. In addition, aiming at regional environmental problems, the embodiment of the invention can develop refined traceability analysis aiming at the research city, lock a pollution source which is important for the air quality of the urban environment and provide a clear grip for urban management and control.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below. It is appreciated that the following drawings depict only certain embodiments of the invention and are therefore not to be considered limiting of its scope. For a person skilled in the art, it is possible to derive other relevant figures from these figures without inventive effort.
Fig. 1 is a schematic diagram of a pollution source tracing analysis method based on geographic information software and air mass analysis software according to an embodiment of the present invention;
fig. 2 is a schematic diagram of step S100 according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of step S140 according to an embodiment of the present invention;
fig. 4 is a schematic diagram of step S400 according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
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.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
The following detailed description of embodiments of the invention refers to the accompanying drawings.
Referring to fig. 1, the embodiment provides a pollution source traceability analysis method based on geographic information software and air mass analysis software, which can visually and intuitively show the key points of pollution source control in different stages and under different air mass sources, and can further realize more refined and more effective pollution source control and emission reduction, thereby realizing refined prevention and treatment of urban atmosphere.
In the embodiment of the invention, the pollution source traceability analysis method based on the geographic information software and the air mass analysis software can be used for carrying out pollution source traceability analysis by combining the geographic information software and the air mass analysis software. Specifically, as shown in fig. 1, the method for analyzing the source of pollution includes the following steps.
Step S100: geographic information data and pollution source data of the research area are respectively obtained.
In an alternative embodiment, the step S100 of acquiring geographic information data of the study area includes extracting a zone map of the study area from a map prepared in advance.
Optionally, a file (. shp) of the vector diagram of the administrative district of china may be prepared in advance, and the spatial distribution may use the map base map file of the corresponding level as required, for example, the map base map file is refined to the levels of country, province, city, county, and the like, so as to obtain the geographic information data of the research area.
Optionally, in the embodiment of the present invention, the method is implemented by using the geographic information system based software Arcgis. Of course, the present invention is not limited thereto, and other geographic information system software may be utilized in other embodiments of the present invention, and the present invention is not particularly limited or required.
Referring to fig. 2, further, the step of extracting a zone map of the research area from a map prepared in advance is realized by geographic information system software; the step of extracting a compartmentalized map of the study area from a map prepared in advance includes:
substep S110: newly building a map document; for Arcgis software, ArcMap execution menu commands may be initiated: start-all programs-ArcGIS-ArcMap, open a blank document. This step may be implemented by an automated procedure.
Substep S120: loading map data of a research area in a newly-built map document; for the Arcgis software, the "+" button in the toolbar above the ArcMap interface can be clicked to add map data. This step may be implemented by an automated procedure.
Substep S130: after the loading is finished, setting the projection of the map data of the research area; alternatively, in the step S130 of setting the projection of the map data of the investigation region described above, an equal-area Albers projection is used. Of course, the invention is not limited to this, and other projection modes may be adopted in other embodiments of the invention.
For the Arcgis software, a projection coordinate system can be set for the Data frame, using Albers projections of equal area. Right click on Layers- > Properties- > coordination System option card- > new Project System, select Albers, set parameters such as central longitude and standard latitude according to the longitude and latitude of the study area. This step may be implemented by an automated procedure.
Substep S140: after the projection setting is completed, a division map of the study area is extracted as geographic information data of the study area.
Referring to fig. 3, the step S140 of extracting a partition map of the research area and using the partition map as the geographic information data of the research area further includes: step S141: opening a map attribute table and selecting a research area; and, step S142: and defining a storage path by user, and storing the zoning map of the research area as an shp file.
In an optional embodiment, in the step of obtaining the pollution source data of the research area, the pollution source data includes a plurality of sets of station longitude and latitude geographic coordinate information and pollutant emission amount information corresponding to the plurality of sets of station longitude and latitude geographic coordinate information.
In the embodiment of the present invention, the pollution source data in the step of acquiring the pollution source data of the research area includes station longitude and latitude geographic coordinate information, pollutant emission amount information, and the like (which can be drawn by dividing according to different sources). The greater the number of sites, the higher the spatial distribution result accuracy.
Step S200: and drawing a pollution source distribution map according to the geographic information data and the pollution source data.
It is noted that the above steps S100 and S200 may be implemented by the geographic information system based software Arcgis.
Step S300: meteorological data for a study area over a study time period is acquired.
Alternatively, step S300 may obtain meteorological data at different times as needed via ftp:// arlftp. arlhq. noaa. gov/pub/archives/gdas 1. This step may be implemented by an automated procedure.
Step S400: and drawing the air flow track outline of the research area in the research time period according to the meteorological data of the research time period. In the embodiment of the present invention, the steps S300 and S400 may be implemented by using MeteoInfo software, but is not limited thereto, and in other embodiments of the present invention, the steps may also be implemented by using other software, and the embodiments of the present invention do not specifically require and limit this.
Referring to FIG. 4, in an alternative embodiment, the step S400 of plotting the airflow trajectory profile of the research area over the research time period based on the meteorological data for the research time period includes:
substep S410: setting research parameters, wherein the research parameters comprise longitude and latitude of the geographic position of a research point and a time period;
substep S420: loading meteorological data corresponding to the research parameters;
substep S430: and according to the meteorological data and the research parameters, calculating and combining the airflow track profile.
Step S500: and obtaining a pollution source tracing analysis graph based on geographic information software and air mass analysis software according to the pollution source distribution graph and the air flow trajectory outline.
In the embodiment of the invention, through the fusion of the two technical means, the key points of pollution source control in different stages and different air mass sources can be visually and intuitively displayed, and more refined and more effective pollution source control and emission reduction can be realized, so that the refined control of urban atmosphere is realized.
In an optional embodiment, in step S500 of obtaining a pollution source traceability analysis graph based on geographic information software and air mass analysis software according to the pollution source distribution map and the air flow trajectory profile, the air flow trajectory profile file is loaded to a main interface of the geographic information software, and the image view area is adjusted to obtain the pollution source traceability analysis graph based on the geographic information software and the air mass analysis software.
The pollution source tracing analysis method based on the geographic information software and the air mass analysis software provided by the embodiment comprises the following steps: by combining the geographic information software and the air mass analysis software to analyze the tracing of the pollution source, clearer and more visual display is realized, and the distribution of the pollution source, the emission amount and the influence on the air quality under different meteorological tracks are determined; meanwhile, detailed pollutant influence and air quality influence cause tracing analysis can be carried out according to the distribution characteristics of different industries and pollutants; specific analysis can be carried out on different industries and different areas, downward key control areas and industrial influences of different time and air masses are determined, and fine control of urban atmospheric pollution prevention and control is supported. In addition, aiming at regional environmental problems, the embodiment of the invention can develop refined traceability analysis aiming at the research city, lock a pollution source which is important for the air quality of the urban environment and provide a clear grip for urban management and control.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A pollution source traceability analysis method based on geographic information software and air mass analysis software is used for carrying out pollution source traceability analysis by combining the geographic information software and the air mass analysis software, and is characterized by comprising the following steps:
respectively acquiring geographic information data and pollution source data of a research area;
drawing a pollution source distribution map according to the geographic information data and the pollution source data;
acquiring meteorological data of the research area in a research time period;
drawing an airflow track profile of the research area in the research time period according to the meteorological data of the research time period;
and obtaining a pollution source tracing analysis graph based on geographic information software and air mass analysis software according to the pollution source distribution graph and the air flow track outline.
2. The pollution source traceability analysis method based on geographic information software and air mass analysis software as claimed in claim 1, wherein the step of obtaining geographic information data of the research area comprises: a region map of the study region is extracted from a map prepared in advance.
3. The pollution source traceability analysis method based on geographic information software and air mass analysis software according to claim 2, wherein the step of extracting the compartmental map of the research area from the map prepared in advance is realized by geographic information system-based software; the step of extracting a zone map of the study area from a map prepared in advance includes:
newly building a map document;
loading the map data of the research area in the newly-built map document;
after the loading is completed, setting a projection of the map data of the research area;
after the projection setting is completed, a division map of the study area is extracted and used as geographic information data of the study area.
4. The pollution source traceability analysis method based on geographic information software and air mass analysis software, as claimed in claim 3, wherein the step of setting the projection of the map data of the research area uses equal-area Albers projection.
5. The pollution source traceability analysis method based on geographic information software and air mass analysis software, according to claim 3, wherein the step of extracting a compartmental map of the research area as geographic information data of the research area comprises:
opening a map attribute table and selecting the research area;
and customizing a storage path, and storing the zoning map of the research area as an shp file.
6. The pollution source tracing analysis method based on geographic information software and air mass analysis software according to claim 1, wherein in the step of obtaining the pollution source data of the research area, the pollution source data includes a plurality of sets of station longitude and latitude geographic coordinate information and pollutant emission amount information corresponding to the plurality of sets of station longitude and latitude geographic coordinate information.
7. The method of claim 1, wherein the step of profiling the airflow trajectory of the area of interest over the time period of interest based on the meteorological data for the time period of interest comprises:
setting research parameters, wherein the research parameters comprise longitude and latitude of a geographical position of a research point and a time period;
loading meteorological data corresponding to the research parameters;
and according to the meteorological data and the research parameters, calculating and combining the airflow track profile.
8. The pollution source traceability analysis method based on geographic information software and air mass analysis software as claimed in claim 1, wherein in the step of obtaining the pollution source traceability analysis graph based on the geographic information software and the air mass analysis software according to the pollution source distribution map and the air flow trajectory profile, the air flow trajectory profile file is loaded to a main interface of the geographic information software, and the image view area is adjusted to obtain the pollution source traceability analysis graph based on the geographic information software and the air mass analysis software.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112131739A (en) * | 2020-09-22 | 2020-12-25 | 南京创蓝科技有限公司 | Method for forecasting tracing of atmospheric pollution at village and town level |
| CN113009086A (en) * | 2021-03-08 | 2021-06-22 | 重庆邮电大学 | Method for exploring urban atmospheric pollutant source based on backward trajectory mode |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112131739A (en) * | 2020-09-22 | 2020-12-25 | 南京创蓝科技有限公司 | Method for forecasting tracing of atmospheric pollution at village and town level |
| CN113009086A (en) * | 2021-03-08 | 2021-06-22 | 重庆邮电大学 | Method for exploring urban atmospheric pollutant source based on backward trajectory mode |
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Application publication date: 20220415 |