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The Analysis of Sea Surface Temperature Distribution Using Atmospheric Corrected Landsat Imagery  

Kim, Gi-Hong (강릉대학교 공과대학 토목공학과)
Hong, Sung-Chang ((주)한국IMU 공간정보연구소)
Youn, Jun-Hee (삼성SDS 전략컨설팅실)
Publication Information
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography / v.26, no.3, 2008 , pp. 219-225 More about this Journal
Abstract
There are many problems in monitering environmental change around of nuclear power station, because interesting area is coastal and relatively large. The ground resolution of Landsat ETM+ imagery is high (30 m), but this imagery does not have enough informations for conducting atmospheric correction in evaluating sea surface temperatures. On the other hand, while it is possible to conduct atmospheric correction using MODIS imagery with it's two infrared bands, it's resolution is relatively low (1 km). Therefore, atmospheric corrected high resolution temperature information can be obtained from these two satellite images. In this study, digital numbers of Landsat ETM+ data in interesting area are georeferenced, converted to effective temperatures based on radiance value, and then the atmospheric correction is conducted using MODIS data. As a result, about $3.5^{\circ}C$ temperature differences were detected in comparing sea surface temperature of the surrounding area of Uljin nuclear power station with it of the same area located 5km far east.
Keywords
Landsat ETM+; MODIS; atmospheric correction; sea surface temperature; nuclear power station;
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Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By SCOPUS : 0
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