Study Reach.--Section 5 is about 2,700 ft downstream from gage.
Gage Reference Location.--Lat 41°56'50", long 74°58'45", on left bank 125 ft downstream from highway bridge in Cooks Falls, Delaware County, and 5.5 miles downstream from Willowemoc Creek.
Drainage Area.--241 sq mi.
Gage Datum and Elevations of Reference Points.--Not available.
Stage, Discharge Measurements and Computed n-Values.--Gage height were11.69 ft at gage; 42.65 ft (different datum) at section 5. Peak discharge was 15,500 cfs on Mar. 22, 1948.
Date of Observation | Discharge (ft3/s) | Average Cross Section Area (ft2) | Hydraulic Radius (ft) | Mean Velocity (ft/s) | Slope | Coefficient of Roughness n |
---|---|---|---|---|---|---|
3/22/1948 | 15493.5 | 1650.0 | 7.27 | 9.39 | 0.003381 | 0.033 |
Description of Channel.--Bed consists of coarse gravel and cobbles with scattered boulders. Light brush is on both banks and some trees are near water's edge on right bank.