| Abstract: | Estimates of annual peak-streamflow frequency are needed for flood-plain management, assessment of flood risk, and design of structures, such as roads, bridges, culverts, dams, and levees. Regional regression equations have been developed and are used extensively to estimate annual peak-streamflow frequency for ungaged sites in natural (unregulated and rural or nonurbanized) watersheds in Texas (Asquith and Slade, 1997; Asquith and Thompson, 2008; Asquith and Roussel, 2009). The most recent regional regression equations were developed by using data from 638 Texas streamflow-gaging stations throughout the State with eight or more years of data by using drainage area, channel slope, and mean annual precipitation as predictor variables (Asquith and Roussel, 2009). However, because of a lack of sufficient historical streamflow data from small, rural watersheds in certain parts of the State (central and western), substantial uncertainity exists when using the regional regression equations for the purpose of estimating annual peak-streamflow frequency. |
| Genre: | USGS Numbered Series |
| ProdID: | 70005160 |
| Citation Author: | Harwell, Glenn R.; Asquith, William H. |
| Citation Contributing Office: | Texas Water Science Center |
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| Citation Language: | English |
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| Citation Phsyical Description: | 4 p. |
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| Citation Public Comments: | Prepared in cooperation with the Texas Department of Transportation |
| Citation Publisher: | U.S. Geological Survey |
| Citation Series: | Fact Sheet |
| Citation Series Code: | FS |
| Citation Series Number: | 2011-3082 |
| Citation Search Results Text: | Annual peak streamflow and ancillary data for small watersheds in central and western Texas; 2011; FS; 2011-3082; Harwell, Glenn R.; Asquith, William H. |
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| Citation Year: | 2011 |
| Type: | citation/reference |
| Text: | Annual peak streamflow and ancillary data for small watersheds in central and western Texas; 2011; FS; 2011-3082; Harwell, Glenn R.; Asquith, William H. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/fs_2011_3082.gif |
| URL (INDEX PAGE): | http://pubs.usgs.gov/fs/2011/3082/ |
| Date Other: | Thu, 11 Aug 2011 00:00 -0500 |
| Publisher: | U.S. Geological Survey |
