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Summary
DescriptionBedforms under various flow regimes.pdf
English: Bedforms formed in sand in channels under unidirectional flow. Numbers correspond broadly to increasing flow regime, i.e., increasing water flow velocity. Blue arrows show schematically flow lines in the water above the bed. Flow is always from left to right. Figure redrawn from
http://www.fhwa.dot.gov/engineering/hydraulics/pubs/08090/04.cfm.