A peculiar lens-shaped structure observed in the South China Sea

Jianyu Hu1, Hongyang Lin2, Prof. Zhiyu Liu, PhD3, Igor Belkin4, Zhenyu Sun5 and Jia Zhu5, (1)Xiamen University, State Key Laboratory of Marine Environmental Science and College of Ocean and Earth Sciences, Xiamen, China, (2)Xiamen University, Xiamen, China, (3)Xiamen University, State Key Laboratory of Marine Environmental Science, and Department of Physical Oceanography and Meteorology, College of Ocean and Earth Sciences, Xiamen, China, (4)University of Rhode Island Narragansett Bay, Narragansett, RI, United States, (5)Xiamen University, State Key Laboratory of Marine Environmental Science, Xiamen, China