HW_6

HW_6 - CE451 Water Resource Engineering 03/08/2010 Home...

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CE451 Water Resource Engineering 03/08/2010 Home Work # 6 5.1) Tabulated in what follows are the annual flood series for two gaging station in the Delaware River basin. The station at Delhi is upstream of the station at Hale Eddy. A large reservoir was constructed on the West Branch Delaware River between the two stations sometime during the period of overlapping records (1937 to 1974). Determine the year when this in-homogeneity in the Hale Eddy record began. You may find it helpful to construct a double-mass curve for the two stations, that is, a plot of cumulative peak flow for one station for the period of overlap. After eliminating the inhomogeneous portion of the Hale Eddy record after the reservoir was constructed, prepare histograms of the two records using the same number of class intervals for each. Are there significant differences in the shapes of the two histograms? Peak flow, cfs Peak flow, cfs West Branch West Branch West Branch West Branch Water Year Delaware River Delaware River Water Year Delaware River Delaware River at Delhi, NY at Hale Eddy, NY at Delhi, NY at Hale Eddy, NY 1913 -
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HW_6 - CE451 Water Resource Engineering 03/08/2010 Home...

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