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库区水域消落带生态环境水库消落带是指水库季节性水位涨落而使被淹没土地周期性出露于水面的区域。三峡大坝蓄水完成后, 每年6-9月的四个月里,长江河道145-175m高程区域将全部成为周期性淹没的消落区。消落带对环境安全的影响主要在以下方面:周期
The water level in the reservoir area is the area where the submerged land is periodically exposed to the surface of the water. After the completion of the Three Gorges Dam, in the four months of June-September each year, the 145-175m elevation area of the Yangtze River will become all the cyclone submerged area. The effects of the ebb and belt on environmental safety are mainly in the following aspects: cycle