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Quantitative analysis method and system for atmospheric pollution process

An analytical method and atmospheric technology, applied in the field of atmospheric science, to achieve the effect of high calculation accuracy, small error, and rapid determination of the causes and sources of pollution

Active Publication Date: 2020-07-24
INST OF ATMOSPHERIC PHYSICS CHINESE ACADEMY SCI
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The object of the present invention is to provide a kind of quantitative analysis method and system for air pollution process, thereby solve the aforementioned problems existing in the prior art

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  • Quantitative analysis method and system for atmospheric pollution process
  • Quantitative analysis method and system for atmospheric pollution process
  • Quantitative analysis method and system for atmospheric pollution process

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Embodiment 1

[0032] Such as Figure 1 to Figure 2 As shown, a kind of quantitative analysis method for air pollution process is provided in the present embodiment, and described analysis method comprises the following steps,

[0033] S1. Determine the start and end time of the heavy pollution period according to the observation data, and construct a three-dimensional spatial grid for the areas that need to be analyzed during the heavy pollution process;

[0034] S2, utilize mesoscale numerical weather prediction model simulation to obtain the hourly meteorological element value of described three-dimensional space grid in described heavy pollution period;

[0035] S3. Combined with the meteorological element values ​​obtained in step S2, use the third-generation air quality model to simulate and calculate the normal concentration value of each pollutant in the atmosphere normally simulated by the three-dimensional space grid during the heavy pollution period, and simultaneously accompany t...

Embodiment 2

[0059] A kind of quantitative analysis system for air pollution process is provided in the present embodiment, and described analysis system is used for realizing described analysis method, and described analysis system comprises,

[0060] The grid construction module is used to determine the start and end time of the heavy pollution period according to the observation data, and construct a three-dimensional spatial grid for the areas that need to be analyzed during the heavy pollution process;

[0061] Meteorological element value acquisition module; for utilizing mesoscale numerical weather prediction model simulation to obtain the hourly meteorological element value of the three-dimensional space grid in the heavy pollution period;

[0062] Concentration value calculation module; used to combine meteorological element values, use the third-generation air quality model to simulate and calculate the normal concentration value of each pollutant in the atmosphere normally simula...

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Abstract

The invention discloses a quantitative analysis method and system for an atmospheric pollution process, and the method comprises the steps: determining the start and stop time of a heavy pollution period according to observation data, and constructing a three-dimensional space grid for a region needing to be analyzed in a heavy pollution process; performing simulating by using a mesoscale numerical weather forecast mode to obtain hourly meteorological element values of the three-dimensional space grid in the heavy pollution period; and simulating and calculating the normal concentration valueof each atmospheric pollutant normally simulated by the three-dimensional space grid in the heavy pollution time period by utilizing a third-generation air quality mode, and simultaneously simulatingthe accompanying concentration value of each atmospheric pollutant which is not influenced by the chemical conversion and emission process in the same time period in an accompanying manner. The quantitative analysis method and system have the advantages that the influence of the physical process, the chemical conversion and the emission process on various pollutants in the atmosphere in the heavypollution process is quantitatively analyzed, the quantitative analysis results of the weather, the chemical conversion and the emission process are simultaneously output in the air quality simulationforecasting process, the calculation precision is high, and the error is small.

Description

technical field [0001] The invention relates to the field of atmospheric science and technology, in particular to a quantitative analysis method and system for air pollution processes. Background technique [0002] With the rapid development of my country's economy, the acceleration of urbanization and the significant increase in the number of motor vehicles, SO in a large number of industrial processes 2 and NO x Emissions are the most fundamental cause of regional air pollution in my country. In 2013, the state issued the "National Ten Measures" for Air Pollution Prevention and Control. In 2018, the State Council issued the "Three-Year Action Plan" for Winning the Blue Sky Defense War. Gas emissions will further significantly reduce the concentration of fine particulate matter (PM2.5), significantly reduce the number of days of heavy pollution, significantly improve the ambient air quality, and significantly enhance the people's sense of happiness in the blue sky. In th...

Claims

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Application Information

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IPC IPC(8): G06F30/20G01N33/00
CPCG01N33/0075G01N33/0067G01N33/0068
Inventor 葛宝珠王君华王自发
Owner INST OF ATMOSPHERIC PHYSICS CHINESE ACADEMY SCI
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