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KMID : 1024520160250081057
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Journal of the Environmental Sciences
2016 Volume.25 No. 8 p.1057 ~ p.1063
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Seasonal Variation of the Surface Heat Budget in the Gumi Reservoir of Nakdong River
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Kim Hak-Yoon
Seo Kwang-Soo
Cho Chang-Bum
Kim Hae-Dong
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Abstract
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The heat budget is investigated in the Gumi Reservoir of the Nakdong river. In warm climate season, solar radiation effects play a important role in the change of water temperature. The features of the surface heat balance are almost derived by the latent heat flux and the solar radiation flux. On the other hand, in cold climate season, change of heat stored in the water is mainly dominated by latent and sensible heat transfer between water and air, since flux of solar radiation and loss of outgoing long wave radiation balance approximately. For the annual averages, net flux of radiation, evaporation(latent heat) loss are dominant in the Gumi reservoir. The evaporation losses are dominant from spring to early winter. This means that the Gumi reservoir rolls like a lake of thermal medium or deep depth.
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KEYWORD
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Warm climate season, Cold climate season, Evaporation loss, Heat budget
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