20年来罕见咸潮入侵上海 200万居民受影响

20年来罕见咸潮入侵上海200万居民受影响Seawater is causing problems for two million people in Shanghai. The city isenduring its longest-lasting salt tide in more than 20 years. As of thismorning, the salt tide intrusion ha

20年来罕见咸潮入侵上海  200万居民受影响

Seawater is causing problems for two million people in Shanghai. The city is enduring its longest-lasting salt tide in more than 20 years. As of this morning, the salt tide intrusion has already lasted for 21 days, the longest since 1993. Shanghai is located at the mouth of the Yangtze River.

The intrusion occurs periodically, especially in winter and spring when the Yangtze water level is relatively low. High salt levels in water is harmful to people's health, machinery, and crops. Shanghai's water authorities say the reservoir built in 1993 can only hold a ten-day water supply. They've established a comprehensive plan to coordinate the city's waterworks and appealed to the national government for support.

Chen Guoguang, senior engineer of Water Supply Distribution & Monitoring Center, said, "Together with the previous two salt tides, the intrusion this time is causing huge harm to our water safety. The whole process isn't expected to end until early next month." 

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