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Upstream drought blamed for salt tide in Yangtze

SALT tide is likely to affect Shanghai again in June after its invasion this month, the Shanghai Water Bureau warned yesterday.

The current tide which surged into the Yangtze River on May 19 will last another day or two, officials said.

It is the first time that a salt tide has appeared in Shanghai in May since 1992. Experts said the extended tide season was caused by the severe drought in central China which brought the Yangtze River water level to its lowest in five decades.

To ensure fresh water supply for homes, the city will limit water usage in some large industrial companies if necessary, officials said.

Zhao Pingwei, a senior engineer with the Shanghai water authority, said the Qingcaosha Reservoir at the mouth of the Yangtze River has a capacity that can last at least 60 days if it cuts water from the Yangtze River.


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