Affiliation: | a Department of Environmental Engineering, Baekun Hall #332, Yonsei University, 234 Maeji Heungeop, Wonju, 220-710 Gangwon-do, South Korea b Department of Geo-environmental System Engineering, Hanyang University, Seoul 133-791, South Korea c Department of Earth System Sciences, Yonsei University, Seoul 120-749, South Korea d Environmental Hazards Division,KIGAM, Daejoeon 305-350, South Korea e KIST Gangneung Institute, Gangneung 210-340, South Korea |