Volume 45 Issue 2
Mar.  2016
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Liu Dong, Dai Congming, Wei Heli. CO2 limb radiation in the middle and upper atmosphere:comparison analysis of simulation and measurement[J]. Infrared and Laser Engineering, 2016, 45(2): 211001-0211001(7). doi: 10.3788/IRLA201645.0211001
Citation: Liu Dong, Dai Congming, Wei Heli. CO2 limb radiation in the middle and upper atmosphere:comparison analysis of simulation and measurement[J]. Infrared and Laser Engineering, 2016, 45(2): 211001-0211001(7). doi: 10.3788/IRLA201645.0211001

CO2 limb radiation in the middle and upper atmosphere:comparison analysis of simulation and measurement

doi: 10.3788/IRLA201645.0211001
  • Received Date: 2015-06-25
  • Rev Recd Date: 2015-07-19
  • Publish Date: 2016-02-25
  • The profiles of spectral pass bands' limb radiance by SABER(Sounding of the Atmosphere using Broadband Emission Radiometry) were simulated in the bands of 15m and 4.3m emission for CO2 by using the updated software of SHARC, and the simulated results were compared with corresponding SABER measurements to analyze the CO2 non-LTE radiative transfer properties and to validate the model. The comparisons show that SHARC can simulate the middle latitude atmosphere condition's CO2 limb radiation with a reasonable accuracy for applications. However, for some special atmosphere conditions, such as Arctic summer's atmosphere, the model has some deviations because of its algorithm's shortcoming. It is expected to improve the algorithm to contain more sophisticated chemical-kinetic processes and achieve better middle and upper atmospheric parameters, which make more accurate simulation of non-LTE radiative transfer properties.
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CO2 limb radiation in the middle and upper atmosphere:comparison analysis of simulation and measurement

doi: 10.3788/IRLA201645.0211001
  • 1. Key Laboratory of Atmospheric Composition and Optical Radiation,Anhui Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Hefei 230031,China;
  • 2. University of Chinese Academy of Sciences,Beijing 100049,China;
  • 3. School of Environmental Sciences and Optoelectronic Technology,University of Science and Technology of China,Hefei 230026,China

Abstract: The profiles of spectral pass bands' limb radiance by SABER(Sounding of the Atmosphere using Broadband Emission Radiometry) were simulated in the bands of 15m and 4.3m emission for CO2 by using the updated software of SHARC, and the simulated results were compared with corresponding SABER measurements to analyze the CO2 non-LTE radiative transfer properties and to validate the model. The comparisons show that SHARC can simulate the middle latitude atmosphere condition's CO2 limb radiation with a reasonable accuracy for applications. However, for some special atmosphere conditions, such as Arctic summer's atmosphere, the model has some deviations because of its algorithm's shortcoming. It is expected to improve the algorithm to contain more sophisticated chemical-kinetic processes and achieve better middle and upper atmospheric parameters, which make more accurate simulation of non-LTE radiative transfer properties.

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