1. Department of Science Education, Seoul National University, Seoul, Korea
2. Department of Earth Science Education, Seoul National University, Seoul, Korea
3. Research Institute of Oceanography, Seoul National University, Seoul, Korea
4. GST, National Environmental Satellite, Data, and Information Service (NESDIS), National Oceanic and Atmospheric Administration (NOAA), College Park 20740, USA
5. Satellite Analysis Division, National Meteorological Satellite Center, Jincheon, Korea