The upper Yangtze upstream ofYichang with a drainage area of1,000,000 km^2 brings an average annualrunoff to Yichang by 450 km^3 of river water,the drastic variation and uneven distributionof which often causes severe...The upper Yangtze upstream ofYichang with a drainage area of1,000,000 km^2 brings an average annualrunoff to Yichang by 450 km^3 of river water,the drastic variation and uneven distributionof which often causes severe floods for fer-tile alluvial plains of middle and lower Yang-展开更多
The exploitable potential of hydropower resources in the1,800,000 km^2 Yangtze basin is 197 GW,corresponding to anannual electricity generation of 1030 TWh,while the upper Yangtzeupstream of the city Yichang with drai...The exploitable potential of hydropower resources in the1,800,000 km^2 Yangtze basin is 197 GW,corresponding to anannual electricity generation of 1030 TWh,while the upper Yangtzeupstream of the city Yichang with drainage area of 1,000,000 km^2possesses an exploitable potential of hydropower resources of 170GW or 85% of what is in the whole Yangtze basin,as river channelsof the mainstem and tributaries in uppe Yangtze pass through highmountains,plateaus and hills.展开更多
文摘The upper Yangtze upstream ofYichang with a drainage area of1,000,000 km^2 brings an average annualrunoff to Yichang by 450 km^3 of river water,the drastic variation and uneven distributionof which often causes severe floods for fer-tile alluvial plains of middle and lower Yang-
文摘The exploitable potential of hydropower resources in the1,800,000 km^2 Yangtze basin is 197 GW,corresponding to anannual electricity generation of 1030 TWh,while the upper Yangtzeupstream of the city Yichang with drainage area of 1,000,000 km^2possesses an exploitable potential of hydropower resources of 170GW or 85% of what is in the whole Yangtze basin,as river channelsof the mainstem and tributaries in uppe Yangtze pass through highmountains,plateaus and hills.
