Physical processes observed on the deep atoll rims of the Nansha Islands, South China Sea: implication for the formation and maintenance of “broken-wall-bucket” atolls

Jin Li1, Andrew D Ashton2, Ya Ping Wang3,4 and Shu Gao4, (1)Nanjing University, Education Ministry Key Laboratory of Coast& Island Development, Nanjing, China, (2)WHOI, Geology and Geophysics, Woods Hole, MA, United States, (3)Nanjing University, China, (4)East China Normal University, State Key Laboratory of Estuarine and Coastal Research, School of Marine Science, Shanghai, China