Abstract

A reproduction of channel forms produced by natural fluvial processes will minimize some adverse effects of channelization. Design criteria intended to improve drainage or control flooding should, in many cases, include the construction of pools (deeps) and riffles (shallows). An optimal spacing of pools and riffles, averaging about six times the channel width, will improve the modified stream by providing a channel morphology that is relatively stable, biologically productive, and aesthetically pleasing.

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