1. Department
of Ocean Sciences, Inha University, 100
Inha-ro, Nam-gu, Incheon 402-751,
Korea
2. Korea Polar Research Institute, Songdo Techno Park, 7-50, Songdo-dong, Yeonsu-gu,
Incheon 406-840, Korea
3. National Institute of Polar Research, 10-3, Midoricho, Tachikawa, Tokyo
190-8518, Japan