Earth and Planetary Sciences
5 years ago

Three Gorges Dam triggers erosion in Yangtze River Estuary, impacting ecosystem.

Chinese Science Bulletin (Chinese Version)
Impacts of the Three Gorges Dam on the bathymetric evolution of the Yangtze River Estuary
Bing Li, ZhongFa HE, XueXin YAN, J Zhang, Yong Chen

Paper Summary

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The Three Gorges Dam has caused changes in the Yangtze River Estuary's underwater landscape. After the dam was built, sediment built up in shallow areas while deeper areas eroded. The erosion got worse over time, with over 10 billion tons of sediment eroded by 2013. The dam's impact on sediment flow was closely linked to erosion in the estuary. The lack of sediment from the outer estuary and coastal ocean also contributed to increased erosion in 2013.