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Title: Water-temperature effects on stage-discharge relations in large alluvial rivers
Authors: Fenwick, G. B.
Keywords: Alluvial Rivers
Arkansas River
Mississippi River
Missouri River
Publisher: United States. Army. Corp of Engineers. Committee on Channel Stabilization
Engineer Research and Development Center (U.S.)
Description: Technical report
Summary: Observations in natural rivers as well as experimental laboratory streams indicate that water temperatures significantly affect stream stage-discharge relations, bed forms, and sediment-transport rates. However, various investigators in this field have reached conclusions that appear to be contradictory, and the complex phenomena involved are not fully understood. With a view to clarifying further the water-temperature effects indicated by field measurements, the Committee on Channel Stabilization canvassed the Division offices of the Corps of Engineers for available historic data on discharge and water-temperature effects on the stage-discharge relations at 31 river stages at 18 gaging stations. (The tabulated basic field data are included in this report as Appendix A so that anyone interested can make any desired analysis and evaluation of the data.) It is concluded from a study of these data that bed resistance in large alluvial rivers increases significantly with increasing water temperature, so that a given river discharge will pass at a higher stage elevation when the water is warm than when cold. It is further concluded that research on water-temperature effects should be recorded in conjunction with all future river discharge measurements.
Appears in Collections:Committee on Channel Stabilization

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