Salt-plug estuarine circulation in Malampaya Sound, Palawan, Philippines

1 Marine Science Institute, University of the Philippines, Diliman, Quezon City, Philippines, 1101 2 Department of Civil Engineering, Tokyo Institute of Technology, Ookayama, Meguro-ku, Tokyo, Japan, 152-8552 3 Department of Mechanical and Environmental Informatics, Graduate School of Information Science and Engineering, Tokyo Institute of Technology, Ookayama, Meguro-ku, Tokyo, Japan, 152-8552 4 Hill Laboratories 101c Waterloo Road, Hornby, Christchurch New Zealand