WMS:Riverside County Lag Time Equation: Difference between revisions
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where: | where: | ||
''T<sub>LAG</sub>'' = lag time in hours. | :''T<sub>LAG</sub>'' = lag time in hours. | ||
''L'' = maximum flow length in miles. | :''L'' = maximum flow length in miles. | ||
''L<sub>ca</sub>'' = length to the centroid in miles. | :''L<sub>ca</sub>'' = length to the centroid in miles. | ||
''S'' = weighted slope along the maximum flow path length in ft/mile. | :''S'' = weighted slope along the maximum flow path length in ft/mile. | ||
The typical characteristics of watersheds for which the Riverside County equations were used include the following: | The typical characteristics of watersheds for which the Riverside County equations were used include the following: |
Latest revision as of 15:13, 29 September 2017
The Riverside County Flood Control and Water Conservancy District developed three different lag equations corresponding to mountainous, foothill, and valley areas near Riverside County, California (Anonymous, 1963).
- (Mountainous) 15.19
- (Foothills) 15.20
- (Valleys) 15.21
where:
- TLAG = lag time in hours.
- L = maximum flow length in miles.
- Lca = length to the centroid in miles.
- S = weighted slope along the maximum flow path length in ft/mile.
The typical characteristics of watersheds for which the Riverside County equations were used include the following:
- Areas from 2 to 650 square miles.
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