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The Variation of UV Radiation by Cloud Scattering at King Sejong Station in West Antarctica

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Title
The Variation of UV Radiation by Cloud Scattering at King Sejong Station in West Antarctica
Other Titles
남극 세종기지에서의 구름 산란에 의한 자외선 변화
Authors
Lee, Kyu-Tae
Jee, Joonbum
이원학
김윤정
Won, Young-In
Lee, Bang Yong
Subject
Oceanography
Keywords
UV Radiation; Scattering; Cloud Optical Thickness; Solar Radiation Model
Issue Date
2004
Citation
Lee, Kyu-Tae, et al. 2004. "The Variation of UV Radiation by Cloud Scattering at King Sejong Station in West Antarctica". Korea Institute of Ocean Science & Technology, 26: 133-143.
Abstract
For the purpose of understanding the cloud scattering effect of UV radiation at King Sejong station in West Antarctica, we analyzed the data measured by UV-Biometer at surface and compared its result with solar radiation model. The parameterization of UV radiation by cloud ice crystal was applied to solar radiation model and the sensitivity of this model for the variation of ice crystal was tested. The cloud optical thickness was calculated by using this solar radiation model. It was compared the result from calculation with CERES satellite data. In solar radiation model, the UV radiation was less scattered with increase of ice crystal size in cloud and this scattering effect was more important to UV-A radiation than Erythemal UV-B radiation. But scattering effects by altitude of cloud was not serious. The calculated cloud optical thicknesses in Erythemal UV-B and UV-A region were compared with CERES satellite data and the result by UV-A was more accurate than Erythemal UV-B region.
URI
http://repository.kopri.re.kr/handle/201206/6670
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