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Air pollutant emission inventory space allocation method and device based on POI (Point of interest)

A technology for air pollutants and space allocation, which is applied in the fields of instruments, technical management, and data processing applications. It can solve the problems of difficult data acquisition, low accuracy, and poor timeliness, and achieve the effect of high data accuracy.

Active Publication Date: 2017-04-05
BEIJING MUNICIPAL INST OF LABOUR PROTECTION
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Problems solved by technology

[0004] In the existing emission inventory allocation methods, due to the difficulty in obtaining land use type data, the spatial allocation of traffic source pollution using only road network data ignores the traffic conditions in different regions, and the commonly used population density data mostly use land use data and nighttime Lighting index, the data has a certain lag, low accuracy and poor timeliness

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  • Air pollutant emission inventory space allocation method and device based on POI (Point of interest)
  • Air pollutant emission inventory space allocation method and device based on POI (Point of interest)

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Embodiment Construction

[0051] In order to make the purpose, 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 in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0052] figure 1 For the schematic flow chart of the POI point-based air pollutant emission inventory space allocation method provided in this embodiment, see figure 1 , the method includes:

[0053] S1: Obtain the characteristic type of pollutant discharge in the target area, and divide the target area with a grid of preset size;

[0054] ...

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Abstract

The embodiment of the invention provides an air pollutant emission inventory space allocation method and a device based on a POI (Point of interest). Mesh dividing is carried out on a target area ready for the air pollutant space allocation. As for each mesh, POIs of corresponding pollution sources are counted; an allocation parameter of a pollutant in the area of the mesh is obtained through calculation of the POI, and the pollutants in the area of the mesh are calculated according to the allocation parameters. Compared with the traditional pollutant allocation method, due to the accuracy, the timeliness, the easy acquisition and the information richness of the POI data, a POI-based method is adopted to obtain pollutant allocation, reasonable space allocation can be carried out on non-point source pollution, and an air pollutant emission inventory with higher accuracy can be obtained.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and in particular relates to a POI point-based air pollutant discharge inventory space allocation method and device. Background technique [0002] The air pollutant emission inventory is a list of the quantities of various pollutants emitted into the atmosphere by pollution sources within a certain time span and space area, and making an air pollutant emission inventory with high temporal and spatial resolution can provide a basis for air quality management and numerical simulation. Basic data. At present, the compilation of air pollutant emission inventory with high temporal and spatial resolution is mainly based on the spatial geographic information of different pollution sources, and the emission inventory data is spatially gridded on a spatial scale of 3km×3km or 1km×1km to obtain high spatial resolution. According to the time emission characteristics of pollutants from diff...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06
CPCG06Q10/06315Y02P90/845
Inventor 王堃岳涛左朋莱高佳佳王晨龙
Owner BEIJING MUNICIPAL INST OF LABOUR PROTECTION
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