THE CHANGES OF DISCHARGE AND TIDAL LEVEL IN FUTURE AND THEIR IMPACTS ON WATER QUALITY IN THE CHANGJIANG ESTUARY
未来长江口流量和潮位变化及其对河口水质的影响

Keywords: discharge,tidal level,water quality of the estuary,chlorinity,the distance of salt water intrusion
流量,潮位,河口,水质,氯度,长江口

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Abstract:

本文通过长江口实测氯度与流量和潮位资料的相关分析,预估了未来河口水质的变化。计算表明,当大通站下泄流量不足13×10~3m~3/s时,未来东线调水及海平面上升,将使长江口南支河段水质严重恶化;三峡水库建成后,枯季1—3月增加下泄水量虽可抵消东线调水的影响,但在水库蓄水的10月遇枯水年分,水质将大幅度下降。

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