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World Cultural Heritage: Mt. Qingcheng and Dujiangyan (3)

(CNTV)

16:01, July 09, 2013

Dujiangyan (CNTV)

The bottom of the channel was 17 meters wide. In the dry season, the water surface of the channel was 19 meters wide, and in the flood season, it was 23 meters. The Bottle-Neck Channel is the inlet of the inner river, and it can effectively control the water inflow. Therefore, it plays an important role for the inner river being “a river freely controlled by the people.” Due to its beautiful natural landscapes, the Bottle-Neck Channel won the title of “Li Dui Lock Gorge” and is one of the “Top 10 Sceneries of Guanyang.” The Feishayan Spillway is a spillway in the middle section of the dividing dike. It can spill the floods during the flood season and also can effectively stop the sand from depositing in and around the Bottle-Neck Channel by using whirlpools caused by the water flowing through the Feishayan Spillway. The Dujiangyan water conservancy project scientifically solved the difficult problems of automatic water dividing, automatic sand draining, automatic flood draining and water drawing, and plays a very important part in irrigation and flood control. It is an amazing project in the world’s water conservancy history.

Due to the unique water conservancy technologies, the Dujiangyan water conservancy project has become a perfect co-existence of human work and nature. A German geographer named Richthofen (1833 – 1905) said in 1872 that the irrigation system of the Dujiangyan was unmatchable in the whole world. In 1986, after the secretary-general of the International Commission on Irrigation and Drainage (ICID) and the experts of different countries from the International River Sediment Research Institute visited the Dujiangyan, they gave a very high appraisal to its irrigation and sand draining functions. In March of 1999, an official from the United Nations Center for Human Settlements suggested that the Dujiangyan should participate in the “Prize for Best Utilization and Conservancy of Water Resources” held in 2000. The Dujiangyan was the source of the Shu Land’s abundance. It was the irrigation function which allowed Shu Prefecture to win the title of “Land of Abundance.” Now, over 2,250 years have passed after it was completed, it is still playing an irreplaceably important role in China and irrigating over 10 million mu of land. There is no doubt that the Dujiangyan is an extremely great achievement of the world.

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Email|Print|Comments(Editor:LiQian、Ye Xin)

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