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KMID : 1024520180270030155
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Journal of the Environmental Sciences
2018 Volume.27 No. 3 p.155 ~ p.165
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Thermal Regime of a Cold Talus Slope in Uiseong Binggye-ri Ice Valley, Korea
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Seo Kwang-Su
Hwang Soo-Jin
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Abstract
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Observations were conducted in Uiseong Binggye-ri Ice Valley of Korea, where a low temperature talus is located. The talus temperature at Ice Hole near the lower end of the talus remained at 0°C until summer or autumn and averaged -0.3°C over 2 years. The talus temperature at Warm Hole was much higher than the external air temperature during autumn and winter. The outflow of warm air at Warm Hole begins in the late summer of fall. The direction of airflow through the talus surface was determined by the relationship between talus temperature and external air temperature. Annual variations in talus temperature and air exchange between the talus and the external environment can be divided into four periods. It was found that the airflow directions at Warm Hole and Ice Hole were not necessarily opposites. The outflows from the talus at Ice Hole and Warm Hole can occur simultaneously.
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KEYWORD
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Ice Valley, Talus, Thermal regime, Airflow, Ice Hole, Warm Hole
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