Technique for estimating magnitude and frequency of floods in Kentucky

Flood magnitude and frequency relations applicable to unregulated stream in Kentucky are based on flood data at 117 gaging stations in Kentucky and 14 in adjacent states having 10 or more years of record. Equations that related flood magnitude and frequency to contributing drainage area in 16 geographic areas may be used to estimate magnitude of future floods with recurrence intervals of as much as 100 years on gaged and ungaged streams having drainage areas of 10 to 4,300 square miles. Estimating equations are also presented in graphical form. Additional graphs estimate flood magnitude for selected recurrence intervals along the Cumberland, Kentucky, and Ohio Rivers. (Woodard-USGS)