1. Institute of Applied Geosciences; National Taiwan Ocean University; Keelung; Taiwan
2. Physical Oceanography Laboratory; Ocean University of China; Qingdao; China
3. Department of Geosciences; National Taiwan University; Taipei; Taiwan
4. Department of Geology and Geophysics; Woods Hole Oceanographic Institution; Woods Hole; Massachusetts; USA
5. Geophysical Fluid Dynamics Laboratory, NOAA; Princeton; New Jersey; USA