Volume 42 Issue 6
Dec.  2022
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Article Navigation >  Chinese Journal of Space Science  > 2022  >  42(6): 1129-1136
ZHANG Xuanyi. Simulation of Solar Ultraviolet Radiation Environment in Near Space and Analysis of Topographic Difference (in Chinese). Chinese Journal of Space Science, 2022, 42(6): 1129-1136 doi: 10.11728/cjss2022.06.211208128
Citation: ZHANG Xuanyi. Simulation of Solar Ultraviolet Radiation Environment in Near Space and Analysis of Topographic Difference (in Chinese). Chinese Journal of Space Science, 2022, 42(6): 1129-1136 doi: 10.11728/cjss2022.06.211208128
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Simulation of Solar Ultraviolet Radiation Environment in Near Space and Analysis of Topographic Difference

doi: 10.11728/cjss2022.06.211208128 cstr: 32142.14.cjss2022.06.211208128

  • National Space Science Center, Chinese Academy of Sciences, Beijing 100190

  • University of Chinese Academy of Sciences, Beijing 100049

  • Beijing Key Laboratory of Space Environment Exploration, Beijing 100190

  • Received Date: 2021-12-08
  • Rev Recd Date: 2022-06-13
    • Available Online: 2022-11-25
    Abstract
  • Solar ultraviolet radiation is one of the main sources of energy input into near space. The study of its radiation characteristics in the mid-atmosphere is an important basis for the study of atmospheric composition and density changes, photochemical reactions and dynamic processes in near space. This paper is based on the special project of HH, using MODTRAN5 radiation transfer model and satellite ozone data, the similarities and differences of the vertical distribution and seasonal evolution of ultraviolet radiation (200~400 nm) in the near space (20~50 km) over 11 major terrain areas in China were compared. The function between ozone content and radiation transmittance is calculated, and the influence of solar zenithal Angle and sun-earth distance on radiation intensity is analyzed. The results show that the vertical distribution profiles of radiative flux in each terrain area are consistent with the vertical distribution profiles of the annual difference, and the radiation characteristics and seasonal evolution in geographically adjacent regions are similar, but there are great differences between different bands of solar UV. The results provide data support for near-space exploration experiments, and provide reference for atmospheric inversion and other related fields.

     

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