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recurrence interval model based on the full data set from the Gwynns Falls for e

ID: 113757 • Letter: R

Question



recurrence interval model based on the full data set from the Gwynns Falls for each sub-question): at Vill a Nova P points, 2 for eachshacon ln he graph below) to answer the followving questions Go Pi 1 Ga) Calculate the recurrence interval for a storm event with discharge of 1651 cubic feet per second 20000r 15000 10000 y “ 350.19s + 819.04 0.98414 5000 50.00 20.00 30.00 40.00 0.00 10.00 Recurrence Interval (years 16b) Calculate the recurrence interval for a storm 4 times larger than the discharge for Question #16a.

Explanation / Answer

16A) The recurrence interval for storm, with discharge 1651 cubic feet per second is in between 0.5-0.6 years. (From Graph)

16B) 4 times larger storm will have, 4 * 1651 = 6,604 cubic feet per second discharge and that will have recurrence interval in between 14-14.5 years

16C) For 4 years flood base the discharge will be close to 2000 cubic feet per second

16D) Please provide the actual value in Q14.

16E) Y = 350.19X + 819.04

Here X= 60

Y = 350.19 * 60 + 819.04

Y= 21,830.44 cubic feet per second