A method for adjusting values of Manning's roughness coefficient for flooded urban areas
Journal of Research of the U.S. Geological Survey
By: H. R. Hejl Jr.
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Abstract
A method is presented for adjusting values of Manning's roughness coefficient for flooded urban areas on the basis of the density of buildings on a flood plain and verified roughness coefficients for natural conditions. An urban roughness coefficient can be calculated to emulate the water-surface profiles to within 0.06 meter for depths of flow less than 0.6 meter and plus or minus 10 percent for depths between 0.6 and 2 meters.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | A method for adjusting values of Manning's roughness coefficient for flooded urban areas |
| Series title | Journal of Research of the U.S. Geological Survey |
| Volume | 5 |
| Issue | 5 |
| Year Published | 1977 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Publisher location | Reston, VA |
| Description | 5 p. |
| First page | 541 |
| Last page | 545 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |