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http://dx.doi.org/10.5467/JKESS.2010.31.7.720

Temporal and Spatial Distributions of Solar Radiation with Surface Pyranometer Data in South Korea  

Jee, Joon-Bum (Research Institute of Natural Sciences, Gangneung-Wonju National University)
Kim, Yeong-Do (Korea Climate Change & Energy Institute)
Lee, Won-Hak (Research Institute of Gangwon Development)
Lee, Kyu-Tae (Department of Atmospheric & Environmental Sciences, Gangneung-Wonju National University)
Publication Information
Journal of the Korean earth science society / v.31, no.7, 2010 , pp. 720-737 More about this Journal
Abstract
This study is to analyze the temporal and spatial distributions of solar radiation in South Korea. Solar radiation data is observed every minute at 22 KMA (Korea Meteorological Administration) stations using pyranometer from January 2000 to August 2007. These data were calibrated using intensive comparative observation and solar radiation model. Intensive comparative observations are accomplished at 22 KMA stations between KNU (Kangnung (Gangneung-Wonju) National University) standard and station instruments during the month of August 2007. The solar radiation of a clear sky mainly is affected by precipitable water, solar altitude and geological height. Also old (raw) data is corrected by the solar radiation model only about clear day and is revised based on the temporal trend of instrument's sensitivity decrease. At all periods and all stations, differences between raw data (13.31 MJ/day) and corrected data (13.75 MJ/day) are 0.44 MJ/ day. So, the spatial distribution of solar radiation is calculated with seasonal and annual mean, and is the relationship with cloud amount is analyzed. The corrected data show a better consistency with the cloud amount than the old data.
Keywords
solar radiation model; pyranometer; corrected data; cloud amount;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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