Griffith School of Engineering and Built Environment 2004ENG/7418ENG Hydrology
Griffith School of Engineering and Built Environment 2004ENG/7418ENG Hydrology
Assignment
Report Template
Hydrologic Analysis of the
Hinze Dam Stage 3 Upgrade
Due date: 23:59, 9th October, 2022
Student names Student number
Submission Instructions:
Complete this assignment individually.
Complete the following assignment report template as instructed with due reference to the assignment requirements handout (Hinze Dam Upgrade Assignment.pdf)
Save this report as a .pdf file using the filenaming convention snXXXXXXX.pdf where snXXXXXXX is your student. Then upload using the link on Learning@Griffith.
Dont forget to also submit your Excel results file: snXXXXXXX.xlsx
Do not submit any other files.
Table of Contents
TOC o "1-3" h z u 1Introduction PAGEREF _Toc48938592 h 32Method PAGEREF _Toc48938593 h 33Results PAGEREF _Toc48938594 h 43.1Flood mitigation PAGEREF _Toc48938595 h 43.1.1Flood frequency analysis PAGEREF _Toc48938596 h 43.1.2Design inflows via regression analysis PAGEREF _Toc48938597 h 63.1.3Reservoir flood routing PAGEREF _Toc48938598 h 73.1.4River flood routing PAGEREF _Toc48938599 h 93.2Water supply cost-benefit analysis PAGEREF _Toc48938600 h 104Discussion PAGEREF _Toc48938601 h 114.1Flood Mitigation PAGEREF _Toc48938602 h 114.2Water Supply PAGEREF _Toc48938603 h 115Conclusions PAGEREF _Toc48938604 h 12
IntroductionTwo to three paragraphs, 1/2 a page maximum, 12pt Times New Roman font
The introduction should provide the rationale for the analysis. For example:
Where is the Hinze Dam?
What is the role of the dam?
Why was the upgrade necessary?
What is the aim of the study and its significance?
Delete these instructions before submitting.
MethodTwo to three paragraphs, 1/2 a page maximum, 12pt Times New Roman font
The method should briefly outline any theory used, data analysis procedures etc. For example:
What did you do and why? E.g. Why do you need the frequency distributions?
What data did you use?
What theory did you use - do not include equations.
Delete these instructions before submitting.
ResultsReplace all the plots in this section with your own
You are free to use your own plot style as long as it is clear and understandable
Enter your results in the tables provided
Do not add any additional plots or tables
Delete these instructions before submitting.
Flood mitigationFlood frequency analysis
Figure 1. Annual Flood Series for flows into Advancetown Reservoir.
Table 1. Statistics of Annual Flood Series for flows into Advancetown Reservoir
Average Standard
Deviation Skewness
Q (m3/s) X = log10(Q)
Figure 2. Goodness of fit of EVD and LP3 distributions for Annual Flood Series of flows into Advancetown Reservoir.
Table 2. Goodness of fit of distributions to Annual Flood Series
Distribution R2
EVD(1) LP3
Design inflows via regression analysis
Figure 3. Volume-Discharge relationship for Annual Flood Series flows into Advancetown Reservoir.
Table 3. Power regession equation: Vol=aQpb (ML)
a b R2 Table SEQ Table * ARABIC 4. Summary of design inflow hydrograph parameters estimated from the best fit distribution and the power regression equation.
Return
Period
T (years) Peak
Flow
QT (m3/s) Flood
Volume
Vol (ML)
50 100 200 Reservoir flood routing
Figure SEQ Figure * ARABIC 4. Comparison of stage 2 and 3 reservoir flood routing results for T = 50 years.
Figure SEQ Figure * ARABIC 5. Comparison of stage 2 and 3 reservoir flood routing results for T = 100 years.
Figure 6. Comparison of stage 2 and 3 reservoir flood routing results for T = 200 years.
Table 5. Comparison of Hinze Dam stage 2 and 3 reservoir flood routing results.
(Ip = peak inflow, Op = peak outflow, time lag = time of peak outflow time of peak inflow)
Flood Attenuation Time Lag
Return Period
T (years) Ip (m3/s) Stage 2 Stage 3 Stage 2
tOp2 - tIp (hrs) Stage 3 tOp3 - tIp(hrs)
Op,2 (m3/s) 1 - Op,2/Ip Op,3 (m3/s) 1 - Op,3/Ip 50 100 200
River flood routing
Figure SEQ Figure * ARABIC 7. Comparison of the flow hydrographs downstream at the McLaren Road crossing illustrating the sensitivity of the Muskingum river flood routing method to the wedge shape factor (X) and mean flow velocity (V). Inflow to the river reach is the 100-year outflow from the stage 3 configuration of Hinze Dam.
Table 6. Muskingum river flood routing results for the 100-year flood downstream of the dam spillway to the McLaren Road crossing. Op is the peak flow at the dam spillway, Qp is the peak flow at McLaren Road and tX is the time of peak flow.
Op (m3/s) Qp (m3/s) 1 - Qp/Op tOp (h) tQp (h) tQp - tOp (h)
Stage 2 Stage 3
Water supply cost-benefit analysis
Figure 8. Cost-Benefit Analysis of Regulated Water Supply for Advancetown Reservoir.
DiscussionOne page maximum, 12 pt Times New Roman font
Dont just discuss general background issues focus on the results of your analysis.
When discussing your results consider the following guiding points:
What have you found? What are the implications?
What are the limitations, uncertainties associated with your analysis?
Are there any trends?
Dont just describe your results try and explain them in the context of the underlying hydrologic concepts.
Flood MitigationWater Supply
ConclusionsTwo to three paragraphs, 1/2 a page maximum, 12pt Times New Roman font
