Riffle

A riffle is a shallow landform in a flowing channel.^[1] Colloquially, it is a shallow place in a river where water flows quickly past rocks.^[2] However, in geology a riffle has specific characteristics.

^ Leopold, Luna; Wolman, M. Gordon (1957). "River channel patterns: Braided, meandering, and straight". Professional Paper 282-B. United States Geological Survey: 50. {{cite journal}}: Cite journal requires |journal= (help)
^ "LakeSuperiorStreams - Riffles, runs and pools". www.lakesuperiorstreams.org. Retrieved 2022-02-22.

[1] Leopold, Luna; Wolman, M. Gordon (1957). "River channel patterns: Braided, meandering, and straight". Professional Paper 282-B. United States Geological Survey: 50. {{cite journal}}: Cite journal requires |journal= (help)

[2] "LakeSuperiorStreams - Riffles, runs and pools". www.lakesuperiorstreams.org. Retrieved 2022-02-22.

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