摘要
于桥水库库前区墙截老河道入口，形成一个近９ｋｍ￣２，容积达２０００万ｍ￣３～２５００万ｍ￣３的前置库，可充分发挥其物理、生物、化学的综合作用，延长入流水在前置库区的滞留时间，降低流速，均化流场使入流水在前置库区得到净化，大量的泥沙及营养盐截留在前置库区，从而使进入主库的营养盐含量大幅度降低，抑制主库中藻类的过度繁殖，起到防治或减缓于桥水库富营养化的作用。
The Pre-dam can be formed in front of the area of Yuqiao Reservoir,which is about 9 km￣2 and content is 2 × 10￣4m￣to 2.5× 10￣7m￣3by damming theentrance of the old river course.It can play a synthetic role including phy- sically,chemically and biologically in delaying the retention time of water intothe pre-dam,reducing the flow speed and homogenizing flow field, purifying thewater and damming the silt and nutrient salt in pre-dam for the purpose ofreducing the content of nutrient salt and inhibiting the over reproduction ofalgae in main reservoir so as to control and slow down the pace of eutrophi- cation in Yuqiao Reservoir.
出处
《城市环境与城市生态》
CAS
CSSCI
CSCD
1994年第3期5-10,共6页
Urban Environment & Urban Ecology
