1. Institute of Oceanography, College of Science, National Taiwan University; No. 1, Sec. 4, Roosevelt Road Taipei 106 Taiwan
2. Atmosphere and Ocean Research Institute, University of Tokyo; 5-1-5, Kashiwanoha Kashiwa-shi Chiba 277-8564 Japan
3. Institute of Earth Science, Academia Sinica; No. 128, Sec. 2, Academic Road, Nankang Taipei 115 Taiwan
4. Institute of Astronomy and Astrophysics, Academia Sinica; No. 128, Sec. 2, Academic Road, Nankang Taipei 115 Taiwan
5. Marine Research Station; Institute of Cellular and Organismic Biology, Academia Sinica; No. 23-10, Dawen Road, Jiaoxi Yilan 262 Taiwan