1Dry Density Characteristics of the Surface Sand of Beaches in Qingdao CityWANG Na, ZHENG Jian-guo, LIU Jiang-jiao, CHEN Chang-yun, XU Xing-bei1-102Experimental Study on Interfacial Shear Strength of Stratified SoilsXU Guo-hui, FANG Hong-ru, ZHANG Chun-yan, HU Guang-hai, ZHOU Yong-hua11-193Research on the Technology of Multi-dimensional Dynamic Visualization of Sub-marine Oil Spill Based on OSGLI Xiao-long, CAO Jin-feng20-284Probability Analysis of Anchor Hitting to Submarine CablesZHA Miao, WANG Ying-jian, WANG Zhen-yu29-345Analysis of the Water Optical Image Map Features in the Coastal ZonesLIU Jun-xia, MA Yi, LI Xiao-min35-406Quantitative Relationship Among the Capacities of Recovery, Separation, Temporary Storage and Transfer of Spilled OilZHANG Chun-chang, JIN Wei-wei, HAN Long, SONG Sha-sha41-467Automatic Recognition of Coast Types in Landsat 8 OLI Images by Using Decision Tree AlgorithmWANG Chang-ying, TAN Meng47-548Design and Implementation of Drilling Platform Spud Can Position Prediction System Based on DatabaseWANG Jin-ming, LI Chun, SHEN De-xin55-639Application of Overflow Weir Drainage Method in the Reclamation ProjectWANG Xin-qiang, HUANG Shuang-fei64-6810Study on the Analysis Method of Oil Spill Identification by Using Percentage Weathering GraphLIU Yang-xiaoyue, JI Min, MA Jun-rui69-76