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Atmosphere aerosol dynamic change multi-index comprehensive analysis method based on spatial autocorrelation and landscape pattern index

An atmospheric aerosol and spatial autocorrelation technology, applied in the field of urban atmospheric environment analysis, can solve problems such as the difficulty in fully describing the dynamic changes of aerosols

Inactive Publication Date: 2018-02-06
INST OF URBAN ENVIRONMENT CHINESE ACAD OF SCI
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Problems solved by technology

Due to the complexity of aerosol dynamic changes, these relatively single traditional indicators are difficult to fully describe the dynamic changes of aerosols

Method used

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  • Atmosphere aerosol dynamic change multi-index comprehensive analysis method based on spatial autocorrelation and landscape pattern index
  • Atmosphere aerosol dynamic change multi-index comprehensive analysis method based on spatial autocorrelation and landscape pattern index
  • Atmosphere aerosol dynamic change multi-index comprehensive analysis method based on spatial autocorrelation and landscape pattern index

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Embodiment Construction

[0039] A multi-index comprehensive analysis method for atmospheric aerosol dynamic changes based on spatial autocorrelation and landscape pattern index proposed by the present invention, combined with accompanying drawings and actual cases, is described in detail as follows:

[0040] Combining with meteorological data, the MODIS-Terra satellite remote sensing data available in Xiamen City from March 1, 2014 to February 28, 2015 were screened. Under the platform of remote sensing image processing software ENVI 5.0, radiometric calibration and geometric fine correction were performed on the image data.

[0041] Based on the interactive data language (IDL) platform, the corresponding relationship between aerosol optical depth and atmospheric parameters is calculated according to the 6S radiative transfer model under different satellite observation conditions, and the aerosol optical depth lookup table is established.

[0042] The 2.1 μm band of MODIS images is used to extract dar...

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Abstract

The invention provides an atmosphere aerosol dynamic change multi-index comprehensive analysis method based on spatial autocorrelation and landscape pattern index and belongs to the field of urban climate environment application research. In the analysis method, aerosol dynamic changes of each month (except May and September) from aspects of spatial modes, numbers, forms and structures based on anaerosol optical depth value, spatial autocorrelation and landscape pattern index. Aerosol change rules can be deeply, detailed and thoroughly displayed; and effects of the aerosol to the environmentand climate can be accurately estimated.

Description

technical field [0001] The patent of the present invention relates to the application field of urban atmospheric environment analysis, especially a multi-index comprehensive analysis method for atmospheric aerosol dynamic changes based on spatial autocorrelation and landscape pattern index. Background technique [0002] Atmospheric aerosols are one of the most important air pollutants. With the increasing frequency of human activities, the content of aerosols in the global atmosphere has increased significantly, resulting in haze, acid rain, photochemical smog and other disasters that have seriously affected the ecological environment and human health. Studying the temporal and spatial variation of atmospheric aerosols is helpful to understand the distribution characteristics of aerosols, thus providing a scientific basis for the prevention and control of urban smog and the regulation of atmospheric environmental quality. [0003] Scholars at home and abroad have done a lot...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/20
Inventor 赵颜创赵小锋
Owner INST OF URBAN ENVIRONMENT CHINESE ACAD OF SCI
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