Low Water Level Likely to Halt Navigation on Yangtze

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Last updated at: (Beijing Time) Sunday, March 23, 2003

Low Water Level Likely to Halt Navigation on Yangtze

Navigation on the Yangtze, the longest river in China, could come to a halt due to continuous low water level on the upper reaches over the past 40 days, a local hydrological department has warned.

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Navigation on the Yangtze, the longest river in China, could come to a halt due to continuous low water level on the upper reaches over the past 40 days, a local hydrological department has warned.

Experts with the Chongqing hydrology department said that the water level on the upper reaches of the Yangtze has been below the zero mark starting from Jan. 31.

Between Jan. 29 and Feb. 5, the water level at the Cuntan monitoring station dropped by 1.02 meters, the most drastic fall in the history of the upper reaches' hydrological records. By March 1, that level had dropped to minus 0.60 meters, the lowest mark since 1987.

Currently, the water level of the upper reaches of the Yangtze still lingers around the zero mark, according to the hydrology department.

Yang Zuoming, a senior engineer and director of the Chongqing Meteorological Station, said the low water level was caused by less rainfall in the area along the upper reaches of the Yangtze over the past months, and the fact that reservoirs in areas along the upper reaches of the river store a lot of the water for generating electricity.

Yang said rainfall in the Chongqing area dropped by 30 percent to 60 percent since last August compared with the same period in normal years.

The low water level has brought more difficulties to navigationon the river.

An official with the Chongqing Municipal Maritime Affairs Bureau said currently the depth of water in some sections is only 2.7 meters and the width of the river course that allows passage of ships is only 60 meters.

The minimum depth of navigable water should be more than 2.8 meters, or else accidents like ships hitting rocks or running aground are very likely to occur, the official said.

Four accidents in which ships ran aground were reported at the Chongqing section of the Yangtze from Feb. 27 to March 4. These accidents were handled in a timely and proper manner, bringing no adverse effects on the navigation in the river.

Sources with the Chongqing Yangtze Navigation and Ships Company said that the low water level cut its daily handling of passengers and cargo by 20 percent, causing an economic loss of more than 5 million yuan (600,000 US dollars).

Due to the water shortage, Chongqing now faces the challenges of generating electricity itself or buying electric power from other provinces of China, the local power supply department warned.

However, the low water level has brought a good opportunity to Chinese archaeologists who are working in the Three Gorges reservoir area.

The massive Three Gorges hydraulic project, now under smooth construction, is going to flood 632 square km of land area and about 1,000 historical relics sites upon completion in 2009.

Currently, archaeologists from two-thirds of China's cultural heritage and relics institutions are working at the Three Gorges area, trying to save all relics from being flooded.

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