在搜集和整理前人资料的基础上，以地质大调查项目成果为依托，在渤海湾沿海低地地区，通过大量机械钻孔的综合研究，建立一条垂直于现代岸线的地层综合研究剖面。查明渤海湾沿海低地地区第II海侵层的空间分布，结合AMS14C、OSL测年，对该层进行详细的年代学研究。并与全球海平面变化研究的最新成果进行对比，探讨渤海湾沿海低地第II海侵层的形成时代。

Based on previous study and the results from the project supported by China Geological Survey, a long comprehensive profile from modern coastline to coastal lowland will be established in order to survey the spitial distribution of the second marine bed, and the age of this layer will be studyed based on AMS14C and OSL dating in the coastal lowland of Bohai Bay. Comparing with the lastest achievenments in the study of global sea level change, the genietic mechanism of the forming of the second marine bed will be explored.