Environmental characteristics and dredging scheme for sediment of Dongqian Lake

Under the condition that there is lack of technical standards and specifications for planning,design and construction in sediment dredging aiming at environmental and ecological regulation,a sediment dredging scheme for Dongqian Lake was formulated based on the research result of the feasibility of comprehensive water environment regulation for Dongqian Lake of Ningbo City.The main contents related to the scheme were introduced as follows: the characteristics and status of sediment pollution,the determination of the range,the depth,and the scale of sediment dredging projects,the treatment of dredged sediment,the disposal of the remaining water,etc.