*Danu Kim¹、Daehyun Shin¹、Seon-ok Kim²、Sookyun Wang³、Minhee Lee³ (1.Major of Earth and Environmental Sciences, Division of Earth Environmental System Science, Pukyong National University, Republic of Korea、2.Department of Energy Resources Engineering, Pukyong National University, Republic of Korea、3.Major of Environmental Geosciences, Division of Earth Environmental System Science, Pukyong National University, Republic of Korea)