摘要
Based on the major and trace elements and grain-size analysis,as well as the 210Pb isotope data,the sedimentary history within a hundred year of the Core ZM11 was reconstructed and the impacting factors were discussed.The geochemical element analysis results showed that sediment of Core ZM11 mainly come from the Yangtze River.Grain size,terrigenous material input,biological sedimentation and human activity are the major factors that resulted the element content variations of the Core ZM11.