Based on the test data under dynamic waterand static water, main factors which influence the fine sediment flocculation are analyzed using the relative analysis theory of the gray model analysis.
Qiantang river estuary is measured in accordance with the typical waterandsediment data to determine the tunnel test program to simulate the phenomenon of erosion.
按照钱塘江河口的典型实测水流、泥沙资料确定试验方案，对隧道断面冲刷现象进行模拟试验。
3
The toxicity of sedimentandwater of Suzhou Creek was investigated by toxicological methods including acute and sub-acute toxicity test performed on luminescent bacteria, fishes, mice and rats.