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Pollutant spatio-temporal distribution uncertainty characteristic analysis method, system and storage medium

A time-space distribution and uncertainty technology, applied in the field of pollutant monitoring and analysis, can solve the problems of low reliability of analysis results, lack of consideration of the time dimension of research objects, lack of probabilistic analysis of pollutants reaching a specific quality level, etc., to achieve The effect of improving reliability

Inactive Publication Date: 2018-05-22
宁波市镇海规划勘测设计研究院
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  • Application Information

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Problems solved by technology

[0005] 1. Lack of consideration of the time dimension of the research object, the reliability of the analysis results obtained is not high;
[0006] 2. There is a lack of probabilistic analysis of pollutants reaching a specific quality level, and the analysis results are not rigorous enough

Method used

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  • Pollutant spatio-temporal distribution uncertainty characteristic analysis method, system and storage medium
  • Pollutant spatio-temporal distribution uncertainty characteristic analysis method, system and storage medium
  • Pollutant spatio-temporal distribution uncertainty characteristic analysis method, system and storage medium

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Embodiment 1

[0066] This embodiment takes the air quality monitoring and analysis of Shandong Province as an example to describe the technical scheme in detail. figure 1 The flow chart of the analysis method of the uncertainty characteristics of the time-space distribution of pollutants in the present invention, the specific method for analyzing the characteristics of the uncertainty characteristics of the time-space distribution of air pollutants includes:

[0067] Step S10: According to the existing pollutant monitoring data, add the time attribute t into the space coordinate system to form a space-time coordinate system (x, y, t, value);

[0068] The purpose of this step is to add the time attribute to the space coordinate system to form a space-time coordinate system, and then realize the unified measurement of the time and space distance of the pollutant monitoring data, that is, the determination of the space-time anisotropy. Spatio-temporal anisotropy not only reflects the inconsist...

Embodiment 2

[0150] In the first embodiment, the embodiment of the method for analyzing the uncertainty characteristics of the temporal and spatial distribution of pollutants is described in detail. The present invention also provides a system for analyzing the characteristics of the uncertain characteristics of the temporal and spatial distribution of pollutants corresponding to the method, including:

[0151] The data monitoring unit, including 99 data monitoring points arranged in Shandong Province, is used to obtain pollutant data from all over Shandong;

[0152] The data processing unit has a built-in data processing software, which is used to process the collected pollutant concentration data to obtain the spatiotemporal prediction cube data, and obtain the spatiotemporal distribution uncertainty characteristics of pollutants by data mining the spatiotemporal prediction cube data analysis data;

[0153] It also includes a display unit for displaying images and data analysis results d...

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Abstract

The invention discloses a pollutant spatio-temporal distribution uncertainty characteristic analysis method and system and a storage medium. The method comprises the steps that time attributes are added to a space coordinate system to form a space-time coordinate system according to existing pollutant monitoring data; according to a preset threshold value, concentration values of pollutants at each coordinate point in the space-time coordinate system are indicated, and indicator data is processed by means of a spatio-temporal indicator Kriging algorithm to obtain spatio-temporal distribution of the pollutant monitoring data to further obtain space-time prediction cube data; by conducting data mining on the space-time prediction cube data, analysis data of pollutant spatio-temporal distribution uncertainty characteristics is obtained. According to the method, probabilistic analysis is conducted on pollutants reaching a certain mass level to improve credibility of analysis results.

Description

technical field [0001] The invention relates to the technical field of pollutant monitoring and analysis, in particular to a method, system and storage medium for analyzing the characteristics of the uncertainty of the time-space distribution of pollutants. Background technique [0002] At present, the analysis of the distribution characteristics of pollutants in the geographical environment such as the atmosphere and soil mainly includes the analysis of the spatial distribution characteristics and the temporal and spatial distribution characteristics of pollutants. Among them, the analysis of spatial distribution characteristics refers to ignoring the time attributes of pollutants, and using basic mathematical statistical methods and spatial prediction methods to process the monitored concentration data of pollutants to obtain the basic statistical characteristic values ​​of pollutants and the spatial distribution of pollutant concentrations , and then obtain the spatial di...

Claims

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Application Information

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IPC IPC(8): G06F17/50G01N33/00
CPCG01N33/0004G06F30/20
Inventor 李本智徐朝树范攀峰刘志辉
Owner 宁波市镇海规划勘测设计研究院
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