Key Laboratory of Submarine Geosciences and Prospecting Techniques;
Ministry of Education and College of Marine Geosciences;
Ocean University of China;
Qingdao 266100;
China;
Key Laboratory of Coastal Wetland Biogeosciences;
China Geological Survey;
Qingdao 266071;
China;
North China Sea Bureau;
Ministry of Natural Resources;
Qingdao 266033;
China;
Qingdao Institute of Marine Geology;
China Geological Survey;
Qingdao 266071;
China;
Laolonggou Lagoon Inlet; topographical evolution; Caofeidian Reclamation Project; shoal tidal channel;