Sumin Hong, Pukyong National University, Division of Earth Environmental System Science, Busan, South Korea, Young Ho Kim, Pukyong National University, Division of Earth & Environmental System Sciences, Busan, South Korea, Inseong Chang, Pukyong National University, Korea Institute of Ocean Sciences and Technology, Busan, South Korea, Young-Gyu Park, Korea Institute of Ocean Science & Technology, Busan, South Korea, Gyundo Pak, Korea Institute of Science and Technology, Busan, SOUTH KOREA, Hyunkeun Jin, Korea Institute of Ocean Sciences and Technology, Busan, South Korea and Hyoung-Rok Kim, Agency for Defense Development, Changwon, South Korea