Velocity Structure and Structural-sedimentary Cyclicity of Mesozoic and Cenozoic Sediments in the Northern South China Sea Zhou Xiaozhong Clay Minerals in Continental-shelf Sediments of the Northern South China Sea He Jinwen and Tang Zhili A Quantitative Study of the Distribution of Foraminifera and Its Environmental Controls in Yamen Estuary,Zhujiang River Chen Muhong Characteristics and Paired-structure Zone of East Guangdong Mesozoic Continental Margin Ma Shangwen On the Type of Crust and the Boundary of Oceanic Crust in the Northern South China Sea Zheng Haokun Petrological Characteristics of Carbonate Sediments in Luhuitou Tombolo,Sanya,Hainan Island Zhu Zhongrong and Huang Jinsen Sound Velocity and Stress-strain Characteristics of Marine Sediments in TWo Areas of the South China Sea Liu Jineng,Liang Yuanbo,Lu Bo and Zeng Yong On the Action of Atmospheric Latent Heat over the South China Sea During the Onset of Summer Monsoon Chen Tianhong and Luo Huibang Sea-Air Interactions Under Different Weather Conditions in the Sea Area of Nansha Lin Xigui and Cai Qinbing The Fauna and Geographic Distribution of Deep-pelagic Fishes in the South China Sea Yang Jiaju and Huang Zengyue Cluster Analysis and Numerical Discrimination of Gorgonian in the Shallow Sea of Nan'ao Island Huang Baochao Distribution of Dissolved Oxygen in Seawater of Beibu Gulf in Summer and Winter and the Formation Mechanism of the Maximum Oxygen Layer in Summer Li Xiangyun,Luo Luen and Wang Zhaodian A Portable Multispectral Camera Cai Junhao,Lu Biyao and Xu Zhongqin