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Method for increasing inversion speed of concentration of greenhouse-gas vertical column

A greenhouse gas and vertical column technology, applied in the direction of color/spectral characteristic measurement, etc., can solve problems such as slow inversion speed, complex spectral modeling conditions, and complicated observation methods, and achieve the effect of accelerating calculation speed and inversion speed

Inactive Publication Date: 2014-04-23
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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Problems solved by technology

[0004] The purpose of the present invention is to provide a method for speeding up the inversion speed of the vertical column concentration of greenhouse gases, so as to solve the problems of relatively complex observation methods, relatively low signal-to-noise ratio of measurement spectra, complex spectral modeling conditions, and high spectral modeling speed in the prior art. Slow, cumbersome inversion steps of vertical column concentration of gases lead to slow inversion speed, unable to quickly distinguish the fluctuation law of vertical column concentration of greenhouse gases

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  • Method for increasing inversion speed of concentration of greenhouse-gas vertical column
  • Method for increasing inversion speed of concentration of greenhouse-gas vertical column
  • Method for increasing inversion speed of concentration of greenhouse-gas vertical column

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0030] like Figure 1 ~ Figure 4 And shown in Table 1. In the present invention, the acceleration of the inversion speed refers to accelerating the inversion speed by optimizing the greenhouse gas vertical column concentration inversion method and process for a specific data processing system, rather than by upgrading the version of the data processing system Inversion speed. In a word, the present invention accelerates the inversion speed of the vertical column concentration of greenhouse gases through two methods of accelerating the spectral modeling speed and the continuous calculation speed of the vertical column concentration.

[0031] In the measurement spectrum modeling process, the following methods are used to speed up the model calculation speed, and the specific implementation is as follows:

[0032](1) Use the direct solar spect...

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Abstract

The invention discloses a method for increasing the inversion speed of concentration of a greenhouse-gas vertical column. The method increases the inversion speed of concentration of the greenhouse-gas vertical column through two ways of increasing a spectrum modeling speed and a continuous calculation speed for the concentration of vertical column. In the spectrum modeling process, the modeling speed is increased by ignoring the influence of some weak interference factors and discretized radiative transfer equations. In the continuous inversion process of concentration of the greenhouse-gas vertical column, a table look-up method is adopted to increase the calculation speed of the concentration of the greenhouse-gas vertical column: the solar normalized radial brightness and weighting function of all possible scenes are simulated firstly, correction factors are counted when all spectra adopt the value of simulation of one specific scene for inversion fitting, and a correction chart is made; during follow-up data processing, the measurement spectra of all scenes can adopt the value of simulation of the specific scene for fitting, only the fitting result multiplies by corresponding correction factors in the chart, and the measurement spectra of all scenes do not need modeling.

Description

technical field [0001] The invention relates to the field of spectrum inversion of gas vertical column concentration in ambient atmosphere, in particular to a method for accelerating the inversion speed of greenhouse gas vertical column concentration. Background technique [0002] The greenhouse effect caused by greenhouse gases will cause a series of environmental and economic problems, such as the continuous rise of global temperature, the melting of glaciers, the rise of sea level, the increase of pests and diseases on the earth, the abnormal climate, the increase of ocean storms and so on. At present, many countries are monitoring the fluctuation of vertical column concentration of greenhouse gases in the ambient atmosphere online in real time to ensure that the emitted greenhouse gases comply with relevant emission reduction regulations. [0003] The greenhouse gas carbon dioxide (CO 2 ), methane (CH 4 ), nitrous oxide (N 2 O) and other strong absorption bands are ma...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/25
Inventor 孙友文谢品华徐晋刘诚刘文清刘建国周海金方武李昂
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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