Department of Rural Systems Engineering;
Seoul National University;
Seoul 151-921;
Republic of Korea;
Department of Earth and Environmental Sciences and Research Institute of Natural Science;
Gyeongsang National University;
Jinju 660-701;
Republic of Korea;
JIU Corporation;
154-3 Samsung-dong;
Gangnam-gu;
Seoul 135-879;
Republic of Korea;
Department of Civil and Environmental Engineering;
Seoul National University;
Seoul 151-742;
Republic of Korea;