Part 1
a) Using the recorded flow data at the Thora Gauge undertake a Flood Frequency
Analysis for the Bellinger River at Thora catchment to determine the peak flow in
the 20 year ARI flood event.
Firstly, in order to begin the FFA we first must find the

Part 1
a) From steam flow data, use Excel to get the annual maximum flow Q and Rank it.
Use the equations above calculate PP, X, M, S, g and.Q.
Year
Q(m^3/s)
Rank
PP
X=log10(Q)
X^2
X^3
1990
72.64
5
0.283951
1.861175836
3.463975491
6.447067478
1991
21.13
1

Question 2
2a) Most common mistake not using a pan coefficient to convert the pan evaporation to an
estimate of potential open water body evaporation.
Some relevant points for discussion of differences between pan and Penman Monteith:
Representativeness o

Week 7
Week 8
Week 9
IFD curve preparation:
1. Find storm that caused yearly maximum rainfall
2. Find hourly cumulative depths of rainfall observed in the storm
3. Calculate the hourly rainfall (i.e. separated) for 1 hr, by looking at the
differences betw

Groundwater Theory
Groundwater Level Monitoring
Distance from the top of the bore to the water level. There are five main methods
o Dip Meter
Contact gauge that closes a DC current when the tip is lowered into
the water
o Float-Type
Float rests on the

CVEN3501 Water Resources Engineering
Week 6 Flood Frequency Analysis
WEEK 8
Tutorial Question Solutions
Question 1
Why do we need to fit a probability distribution such as the Log Pearson III in flood
frequency analysis. Why not simply take the plotting p

CVEN 3501: Tutorial Week 3.
1. Hydrological cycle
The hydrological cycle is concerned with the movement of water in its various forms through the Earth
system, and includes transport within and between the ocean, atmosphere and land surface
components. A

CVEN 3501: Tutorial Week 4. ClimateChangeandVariability
Question1.Name and explain any mechanism that could produce:
i) cyclical climate fluctuations
ii) a linear trend
iii) a sudden increase or decrease in temperature?
Question 2. Fig 1 below shows estim

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CVEN3501 Water Resources Engineering
Week 6 Flood Frequency Analysis
WEEK 6
Tutorial Question Solutions
Question 1
Why do we need to fit a probability distribution such as the Log Pearson III in flood
frequency analysis. Why not simply take the plotting p

WEEK 5
Tutorial Question Solutions
1. Rainfall measurements at three raingauges are as follows:
Time (minutes)
0
20
40
60
80
A (mm)
0
13
26
0
0
B (mm)
0
24
60
20
0
C (mm)
0
130
76
40
0
The Theissen weights associated with gauges A, B and C are 0.3, 0.5 an

CVEN3501 Water Resources Engineering
Fiona Johnson
[email protected]
8 RATIONAL METHOD
8.1 Introduction
The estimation of peak flows on small to medium size ungauged catchments is probably the most common
design problem in flood estimation. The easies

CVEN3501 Water Resources Engineering
Groundwater Transport
Week 10 - 12 May 2013
10-1
Dr. Hamid Roshan
[email protected]
Why study groundwater?
Hydrogeology is the name given to the study of groundwater and defined as:
the study of the laws governing t

CVEN3501 Water Resources Engineering
Pumping Test Analysis & Groundwater in Australia
Week 12 - 2
Dr. Hamid Roshan
[email protected]
Groundwater in Australia
Groundwater occurrence depends on the Geology!
Rock types
Igneous
formed from molten material

CVEN3501 Water Resources Engineering
Fiona Johnson
[email protected]
7 DESIGN STORMS AND INTENSITY-FREQUENCY-DURATION
RELATTIONSHIPS
7.1 Introduction
While flood frequency analysis provides a way of estimating the design flood directly, a more flexibl

CVEN3501
Intensity-Frequency-Duration (IFD)
Fiona Johnson
This week
What are IFD curves? How were they
developed by the Australian Bureau of
Meteorology?
Climate change impacts?
Point vs catchment area?
What are temporal patterns?
How are design temp

CVEN3501
Lecture week 8
F. Johnson
This week
Calculating peak flows for a catchment Rational
Method
Rural catchments
Urban catchments
New developments in Australian Rainfall and Runof
HOW MUCH WATER IS THERE?
Week 1
Floods
Floods frequency of occurren

CVEN3501 Water Resources Engineering
Rational Method
WEEK 8
Tutorial Question Solutions
Question 1
You have learned of three methods for estimation of the design flood for any given
catchment in Australia. These methods were:
(a) Flood Frequency analysis

CVEN3501 Water Resources Engineering
Week 7 Intensity Frequency Duration analysis
WEEK 7
Tutorial Questions
Question 1
What are the possible advantages of using IFD curves and converting the estimated
design storm to a design runoff, as compared to estima

Temps
Date
Min
Day
Max
C
19
Fr
Max wind gust
Rain Evap
9.6
C mm
14.5
mm
67
T max
T min
Mean Wind Speed u2
Mean Temperature T mean
Saturated vapour pressure e s
Actual vapour pressure e a
Vapour pressure deficit e s-e a
Top of atmosphere radiation R a
Inco