Yuqiao reservoir,as one of the most important sources of drinking water for Tianjin,is nearly impaired as the concentration of TN and TP hard to meet water quality standards,and needs to adopt significant measures to relieve the pollution loading pressure.The paper performed an analysis on practice scenario implementations for water quality improvement in Yuqiao Reservoir,based on a general consideration for drinking water source environment protection.Firstly,GWLF(generalized watershed loading function) mo...