Seismic imaging under the irregular deep water bottom;

The necessity of pre-stack depth migration for seismic data from rough deep sea bottom;

Dynamical characteristics of current and suspended sediment of the Qiqu Archipelago;

Present assessment and analysis of environment quality in sea area near Qiqu Archipelago;

Water and Sediment Characteristics and Recent Erosional and Depositional Evolution in the Qiqu Archipelago Sea Area;

Primary Discussion on Seabed Evolution of Nanhuizui and Qiqu Archipelago;