Simulation and evaluation of pollution load reduction scenarios for water environmental management: A case study of inflow river of Taihu Lake, China

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Abstract

In the beginning of the 21st century, the deterioration of water quality<br />in Taihu Lake, China, has caused widespread concern. The primary source<br />of pollution in Taihu Lake is river inflows. Effective pollution load<br />reduction scenarios need to be implemented in these rivers in order to<br />improve the water quality of Taihu Lake. It is important to select<br />appropriate pollution load reduction scenarios for achieving particular<br />goals. The aim of this study was to facilitate the selection of<br />appropriate scenarios. The QUAL2K model for river water quality was used<br />to simulate the effects of a range of pollution load reduction scenarios<br />in the Wujin River, which is one of the major inflow rivers of Taihu<br />Lake. The model was calibrated for the year 2010 and validated for the<br />year 2011. Various pollution load reduction scenarios were assessed<br />using an analytic hierarchy process, and increasing rates of evaluation<br />indicators were predicted using the Delphi method. The results showed<br />that control of pollution from the source is the optimal method for<br />pollution prevention and control, and the method of ``Treatment after<br />Pollution{''} has bad environmental, social and ecological effects. The<br />method applied in this study can assist for environmental managers to<br />select suitable pollution load reduction scenarios for achieving various<br />objectives.

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APA

Zhang, R., Qian, X., Zhu, W., Gao, H., Hu, W., & Wang, J. (2014). Simulation and evaluation of pollution load reduction scenarios for water environmental management: A case study of inflow river of Taihu Lake, China. International Journal of Environmental Research and Public Health, 11(9), 9306–9324. https://doi.org/10.3390/ijerph110909306

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