It is predicted after impounding of TGP from 2003 to 2012 and after constructed projects of Jinanqiao, Xiluodo, Xiangjiaba (on Jinshajiang river) from 2013 to 2022.

• 根据水文资料的统计分析发现在三峡工程修建以前，宜昌年水量有轻微减小的趋势;