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River health assessment is an important decision-making basis of ecological protection and watershed management. In this study, we established the river health evaluation method of the urbanized area in eastern plain of China. In recent years, Shanghai city has carried out many comprehensive river rehabilitation and ecological restoration projects. Two small rivers with different health condition background were taken as examples to reveal the river health status before and after their rectification. The assessment result shows that the health status of river Arestored from Sick (RHI=0.074) to Sub-healthy (RHI=0.510), and river B from Sub-healthy (RHI=0.585) to Ideal (RHI=0.956). This conclusion is consistent with the actual situation, and the evaluation results are reasonable.

Study on River Health Assessment Method of the Urbanized Area in Eastern Plain of China