Environmental Science
5 years ago

Urban development in China leads to drastic increase in surface runoff.

Sustainability
Assessment of the Impacts of Land Use/Cover Change and Rainfall Change on Surface Runoff in China
Fazhi Li, Jingqiu Chen, Yaoze Liu, Peng Xu, Hua Sun, Bernard A. Engel, Shizhong Wang

Paper Summary

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The study looked at how changes in land use and rainfall affect surface runoff in China. They used a method called SCS-CN and a model called L-THIA to analyze the data. The results showed that from 2005 to 2015, rainfall and land use changes had little impact on surface runoff distribution. Runoff depth was highest in the Yangtze River area. Overall, runoff depth increased slightly over the years. Rainfall changes in 2015 caused variations in runoff depth in different regions. Urban development led to increased runoff depth in certain areas. The study also suggested solutions for controlling surface runoff in urban areas.