Peak flow rate and recession-curve characteristics of a karst spring in the Inner Bluegrass, central Kentucky
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Abstract
The flow rate at the terminal spring of a 1929 ha karst ground-water catchment has been continuously monitored for 2 years, and 108 identifiable events were analyzed. The peak flow rates followed a beta frequency distribution with parameters α = 0.365 and γ = 1.135. Events were separated into high-flow and low-flow. High-flow events had characteristics attributable to pipe flow. Correlation and stepwise regression were used to develop peak flow rate prediction equations for the combined 108 events and for the 81 low-flow events. The portion of the recession curve identified as pipe flow was a watershed constant and time invariant. The base flow was seasonal, increasing in the winter to approximately 0.071 m3s−1 and decreasing in the summer to approximately 0.014 m3s−1.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Peak flow rate and recession-curve characteristics of a karst spring in the Inner Bluegrass, central Kentucky |
| Series title | Journal of Hydrology |
| DOI | 10.1016/0022-1694(94)90006-X |
| Volume | 162 |
| Issue | 1-2 |
| Year Published | 1994 |
| Language | English |
| Publisher | Elsevier |
| Description | 20 p. |
| First page | 99 |
| Last page | 118 |