Determining Streamflows from Geomorphic Parametersby John F. Orsborn, (M.ASCE), Head; Albrook Hydr. Lab., and Prof., Dept. of Civ. and Envir. Engrg., Washington State Univ., Pullman, WA,
Serial Information: Journal of the Irrigation and Drainage Division, 1974, Vol. 100, Issue 4, Pg. 455-475
Document Type: Journal Paper
To predict streamflow, hydrologists and geomorphologists have sought to relate streamflows to geomorphic parameters, and vice versa. Data continuity problems were addressed by statistical manipulations and extensions of the data. An overview of some hydrologic-geomorphic streamflow analysis studies is presented and a few new methods are explored. With these methods, correlations of precipitation and streamflow records, in combination with geomorphic parameters determined from maps, are used to analyze gaged and ungaged streamflows. Some of the methods have been developed, tested, and proven in the Pacific Northwest over a precipitation range of from 8 to 150 in. (207 to 3,810 mm) per year and in drainage basins ranging in size from 2 to 220 sq. miles (5.2 to 5,700 km²). The methods have been applied successfully to low flows from zero to thousands of cubic feet per second (cfs), and to flood flows from 100 to 10,000 cfs (28 to 28,000 m³/s).
Subject Headings: Streamflow | Parameters (statistics) | Hydrology | Drainage basins | Precipitation | Hydrologic models | Geomorphology | Pacific Northwest | North America | United States
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