Relationship between Atmospheric Transmissivity and Air Pollution in Korea

우리나라의 대기투과율과 대기오염과의 관계

  • Lee, Hyup-Hee (Dept. of Atmosfheric Science, College of Marine Science and Technology, National Fisheris University of Pusan) ;
  • Kim, Young-Seop (Dept. of Atmosfheric Science, College of Marine Science and Technology, National Fisheris University of Pusan) ;
  • Han, Young-Ho (Dept. of Atmosfheric Science, College of Marine Science and Technology, National Fisheris University of Pusan)
  • 이협희 (부산수산대학교 해양과학대학 대기학과) ;
  • 김영섭 (부산수산대학교 해양과학대학 대기학과) ;
  • 한영호 (부산수산대학교 해양과학대학 대기학과)
  • Published : 1995.12.01

Abstract

The temporal and spatial distribution of atmospheric transmissivity and depletion rate of solar radiation are investigated, and are compared to the concentration of several components of air pollution. The length of the data span is 11 years from 1983 to 1993. The data of radiation and sunshine rate recorded at 20 meteorological standard stations were used, and in order to investigate a relationship between the depletion rate of solar radiation and air pollution, the concentration data of air pollution observed in Seoul, Pusan, Taegu, Taejon and Kwangju were compiled from 1991 to 1993. Regression coefficient a and b vary from 0.100 to 0.209, from 0.464 to 0.691, and their means are 0.163 and 0.533, respectively. Climatological atmospheric transmissivity is ranged from 0.68 to 0.83, and its mean is 0.75. Atmospheric transmissivity is relatively low in Pusan, Taejon, Kwangju and Inchon which have large population and are highly industrialized. However, that in Chinju, Mokpo, Cheju and Sosan appears to be large compared to the aforementioned stations. Insolation rate of clear days varies from 0.71 to 0.58, and its mean is 0.63. Insolation rate of Kangnung and Chinju are higher than those of Seoul and Pusan by 5%. From the correlation coefficients between depletion rate of solar radiation and air pollution concentration, the most significant factors related to the depletion rate of solar radiation is appeared to be TSP followed by $SO_2$. Ozone shows a negative correlation, End $NO_2$ does not show a obvious correlation with the depletion rate of solar radiation.

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