Problem 2
If =3.47, then, using the built-in function in Excel the value of ()
=exp(gammaln() =3.22. The dimensionless UH is therefore:
1 t
q(t )
k ( ) k
1
e
t / k
1
t
0.83 3.22 0.83
2.22
e t / 0.83
I used Excel to solve for the ordinates of q(t) on a
Virginia Tech
Department of Civil and Environmental Engineering
CEE 5324 Advanced Hydrology
Homework #8 - Solutions
Problem 1: (10 points)
Practice regression equation calibration: Use the Q100 data for the NV region already
provided in the spreadsheet do
Virginia Tech
Department of Civil and Environmental Engineering
CEE 5324 Advanced Hydrology
Homework #7: Advanced Flood Frequency with PeakFQ
Solutions
Problem 1: Using the station skew option, calculate the mean, standard deviation, skew,
Q2, and Q100 va
log(cfs)
log(cfs)
(years)
log(cfs)
Qx (cfs)
(cfs)
cfs
Problem 2:
a. Graph the peak flow time series (discharge vs. year) for this dataset.
The dataset has 17 peaks from 1970-04-14 1986-03-15. The 1972 peak (corresponding to
hurricane Agnes) is about 8 tim
CEE 5324 Homework #5
Spring 2013
Problem 1. Probabilistic Analysis of moglandia.txt
a) Arithmetic Probability Plot:
mean = 157 ft3/s
standard deviation = 94.1 ft3/s
b) Logarithmic Probability Plot: (important to indicate that the units are now log(ft3/s)
CEE 5324 Advanced Hydrology
Homework #3: Solutions
Spring 2013
Glenn E. Moglen
Problem 1: Explicit Finite Difference Channel Routing
The mass velocity of 1.9 ft/s was multiplied by 5/3 to obtain the wave celerity of 3.17 ft/s. Given that
the channel lengt