Case Study: River Training and Its Effects on Fluvial Processes in the Lower Yellow River, China
Publication: Journal of Hydraulic Engineering
Volume 131, Issue 2
Abstract
More than ’ river training practices in the Lower Yellow River provide valuable experience in river management for flood control in rivers having rapid flow changes, silting beds, and active channel migrations and are of importance in understanding the fluvial processes in regulated rivers with high sediment loads. Planned channel alignments for river training in the Lower Yellow River usually consist of a series of consecutive moderate bends representing the natural tendency of flows. Flow guide works, namely spur dikes, were constructed on the concave banks of the planned bends to protect the channel against scouring and migration by deflecting the current away from bends and further guiding the main flow from one bend to the next one. As a result, well-planned flow guide works can play a crucial role in limiting channel shifting and migration and in establishing a relatively stable channel. Enough flow guide works, on both sides together reaching about 80% of the channel length, may change the transitional and braided channel patterns to a confined meandering pattern.
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Acknowledgments
This study was sponsored by the National Natural Science Foundation of China and the Yellow River Conservancy Commission, Ministry of Water Resources, P. R. China (Grant Nos. 50379017 and 50239040).
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Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 131 • Issue 2 • February 2005
Pages: 85 - 96
Copyright
© 2005 ASCE.
History
Received: Feb 20, 2003
Accepted: Jul 26, 2004
Published online: Feb 1, 2005
Published in print: Feb 2005
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