Estimated flow-duration curves for selected ungaged sites in the Cimarron and lower Arkansas River basins in Kansas
Water-Resources Investigations Report
2000-4113
By: Seth E. Studley
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Abstract
Flow-duration curves for 1968-98 were estimated for 16 ungaged sites in the Cimarron and lower Arkansas River Basins in south-central Kansas. The method of estimation used six unique factors of flow duration: (1) mean streamflow and percentage duration of mean streamflow, (2) ratio of 1-percent-duration streamflow to mean streamflow, (3) ratio of 0.1-percent-duration streamflow to 1-percent-duration streamflow, (4) ratio of 50-percent-duration streamflow to mean streamflow, (5) percentage duration of appreciable streamflow (0.10 cubic foot per second), and (6) average slope of the flow-duration curve. These factors were previously developed from a regionalized study of flow-duration curves using streamflow data for 1921-76. The method was tested on a currently measured, continuous-record streamflow-gaging station on the Little Arkansas River at Valley Center, Kansas, and was found to adequately estimate the computed flow-duration curve for the station. The low-flow parts of the estimated flow-duration curves were improved substantially using low- to medium-flow discharge measurements made concurrently with discharge measurements and flow-duration analyses performed at nearby, long-term, continuous-record, streamflow-gaging stations. The estimated flow-duration curves at the ungaged sites can be used for projecting future flow frequencies for assessment of total maximum daily loads (TMDL's) or other water-quality constituents and for water-availability studies.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Estimated flow-duration curves for selected ungaged sites in the Cimarron and lower Arkansas River basins in Kansas |
| Series title | Water-Resources Investigations Report |
| Series number | 2000-4113 |
| DOI | 10.3133/wri004113 |
| Year Published | 2000 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Description | iv, 43 p. |
| Country | United States |
| State | Kansas |
| Other Geospatial | Cimarron and lower Arkansas River basins |
| Google Analytic Metrics | Metrics page |