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一、水资源状况分析 长江从世界屋脊的沱沱河起至长江口入海,全长6300多km,年入海水量近1万亿m3,海拔落差5800多m3,水能资源蕴藏量达2.68亿kW。长江三峡段,是山水壮丽的大峡谷,东起长江宜昌江段,依次是西陵峡、巫峡、瞿塘峡三大峡谷。高山峡谷中大小河沟纵横交错,汇入长江,是长江水系的重要成员。 而奔腾浩瀚的长江,对高山峡谷
I. Analysis of Water Resources The Yangtze River runs from the Tuotuo River on the roof of the world to the mouth of the Yangtze River estuary with a total length of over 6,300 kilometers. The annual seawater intake is nearly 1 trillion m3, the elevation is more than 5,800 m3, and the water resource reserves are up to 268 million kW . The Three Gorges section of the Yangtze River, is a magnificent landscape of the Grand Canyon, east of the Yangtze River Yichang section, followed by the Xiling Gorge, Wu Gorge, Qutangxia three canyons. Altiplanoges and valleys, large and small, are criss-crossed in length and cross into the Yangtze River and are important members of the Yangtze River system. Pentium and the vast Yangtze River, the mountain canyon