DWR Storage-Yield Analysis Class (Dec 2022)

The table below provides links for lectures, and workshops. The PowerPoint lecture slides can be opened in a browser or downloaded using the links provided in the Lecture column. The links in the Workshop column lead to the workshop instructions. Materials for each workshop can be downloaded from the links provided on their respective pages.

Software is available from the following links:

HEC-ResSim_v3.3_Official_Install.exe

HEC-ResSim_v3.3_Portable_Install.zip

Time	Type	Title	Instructor
Monday 12 Dec- Morning Session
0930 – 1000		Course Information and Introductions PowerPoint: Lecture 0 - Introduction.pptx	Hanbali
1000 – 1030	Lecture #1	Overview of Water Supply and Corps Reservoir Projects PowerPoint: Lecture 1 - Water Supply Overview.pptx	Flanigan
1030 – 1130	Lecture #2	Storage-Yield Theory: Review definitions of yield. Review storage-yield theory. Review methods for calculating yield. Discuss USACE recommended method for storage-yield analysis. PowerPoint: Lecture 2 - Storage-Yield Theory.pptx References: USACE Yield Analysis Guidance USACE Hydrology for Reservoirs Guidance	Faber
1130 –1300		LUNCH
Monday 12 Dec- Afternoon Session
1300 – 1345	Lecture #3	Overview of HEC-ResSim Review HEC-ResSim watersheds and modules. Review setup of reservoir parameters. Review setup of alternatives and time-series data. Review setup of simulations. PowerPoint: Lecture 3 - HEC-ResSim Overview.pptx	Ostadrahimi
1345 – 1445	Workshop #1	Yield Analysis by Sequent Peak Method and Manually Iterating ResSim Determine the required reservoir storage to supply a given demand throughout the period of record using the Sequent Peak method in an Excel spreadsheet. Determine the firm yield of a given conservation pool by manually iterating a release rule in HEC-ResSim. Compare the results of the two methods. Workshop1_Instructions: Workshop 1 – Simple Yield Analysis Workshop1_Dataset: WS1_Unsolved.7z Workshop1_Dataset_Solution: WS1_Solution.7z	Faber/Ostadrahimi
1445 – 1500	BREAK
1500 – 1545	Workshop #1, continued
1545 – 1600	Workshop #1 Review
Tuesday 13 Dec- Morning Session
0930 – 1015	Lecture #4	HEC-ResSim Yield Analysis Tool Discuss how the Yield Analysis Tool works. Discuss settings for the Yield Analysis Tool. Discuss Yield Analysis Tool output. PowerPoint: Lecture 4 - Yield Analysis Tool.pptx	Hanbali
1015 – 1115	Workshop #2	HEC-ResSim Yield Analysis Tool Determine the firm yield of a given conservation pool with a flat guide curve using the Yield Analysis Tool in HEC-ResSim. Examine the same problem with a seasonally varying guide curve. Examine the same problem with seasonally varying demand for water. Change the guide curve elevations and examine the sensitivity of firm yield to the volumes of winter and summer pools. Workshop2_Instructions: Workshop 2 – HEC-ResSim Yield Analysis Tool Workshop2_Dataset: WS2_Unsolved.7z Workshop2_Dataset_Solution: WS2_Solution.7z	Ostadrahimi/ Hanbali
1115 – 1130	Workshop #2 Review
1130 – 1300	LUNCH
Tuesday 13 Dec- Afternoon Session
1300 – 1345	Lecture #5	Scoping Water Supply Analyses Discuss questions that need to be answered in water supply studies. Review case studies of actual water supply studies. Discuss details that may impact how you set up your model for a study. PowerPoint: Lecture 5 - Water Supply Details.pptx	Hanbali
1345 – 1430	Lecture #6	Data Requirements Discuss data requirements for modeling in more detail. Discuss examples of data sources. Discuss the reservoir mass balance and inflow calculations. PowerPoint: Lecture 6 - Data Requirements.pptx	Hanbali
1430 – 1445	BREAK
1445 – 1545	Workshop #3	Data Requirements Add evaporation data to storage – yield simulation in HEC-ResSim. Extend the period of record inflow data. Examine effects of changing the simulation time step from daily to monthly. Evaluate an inflow time series for data quality issues. Workshop3_Instructions: Workshop 3– Data Requirements Workshop3_Dataset: WS3_Unsolved.7z Workshop3_Dataset_Solution: WS3_Solution.7z	Ostadrahimi/Hanbali
1545 – 1600	Workshop #3 Review
Wednesday 14 Dec- Morning Session
0930 – 1015	Lecture #7	Multipurpose Reservoirs Discuss effects of other purposes on firm yield. Evaluate different kinds of operations and diversions and how they interact. Discuss challenges with modeling multipurpose reservoirs. PowerPoint: Lecture 7 Multipurpose Reservoirs DWR.pptx	Faber
1015 – 1115	Workshop #4	Yield Analysis for Multipurpose Reservoir Determine firm yield for a water supply withdrawal from the reservoir pool at project with hydropower releases. Examine effects of changing rule priorities on the firm yield of the water supply withdrawal. Examine effects of changing release rule parameters between operational zones. Examine effects of moving water supply withdrawal from the reservoir pool to downstream of the dam. Workshop4_Instructions: Workshop 4 – Multipurpose Reservoirs Workshop4_Dataset: WS4_Unsolved.7z Workshop4_Dataset_Solution: WS4_Solution.7z	Flanigan/Ostadrahimi
1115 – 1130	Workshop #4 Review
1130 – 1300	LUNCH
Wednesday 14 Dec- Afternoon Session
1300 – 1400	Lecture #8	Water Accounting Discuss principles of modeling with water accounts. Discuss allocation of inflow among water accounts. Discuss using water accounts to model operational priorities. Review USACE recommended method for storage-yield analysis. PowerPoint: Lecture 8 - Water Accounting.pptx	Hanbali
1400 – 1500	Workshop #5	Yield Analysis for a Water Account Create a Water Account and determine the firm yield of the account using the Yield Analysis Tool in HEC-ResSim. Examine DSS time series of reservoir and water account variables. Examine effect of changing the tolerances in the Yield Analysis Tool. Workshop5_Instructions: Workshop 5– Water Accounting Workshop5_Dataset: WS5_Unsolved.7z Workshop5_Dataset_Solution: WS5_Solution.7z	Hanbali/Ostadrahimi
1500 – 1515	Workshop #5 Review
1515 – 1530	BREAK
1530 – 1615	Lecture #9	Multiple Water Accounts Discuss modeling with multiple water accounts in a reservoir. Discuss further detail on allocation of inflow with multiple water accounts. Discuss further detail on allocation of losses with multiple water accounts. Discuss other complications when modeling with multiple water accounts. PowerPoint: Lecture 9 - Multiple Water Accounts.pptx	Hanbali
Thursday 15 Dec- Afternoon Session
1300 – 1430	Workshop #6	Yield Analysis with Multiple Water Accounts Examine effects on firm yield of a water supply account when modeling with and without accounts for other reservoir purposes. Examine the need to provide dependable yield mitigation storage for an existing water account when increasing the size of the conservation pool to add a new water account. Workshop6_Instructions: Workshop 6– Multiple Water Accounts Workshop6_Dataset: WS6_Unsolved.7z Workshop6_Dataset_Solution: WS6_Solution.7z	Flanigan/Hanbali
1430 – 1445	Workshop #6 Review
1445 – 1500	BREAK
1500 – 1600	Lecture #10	Reliability and Uncertainty Discuss considerations of reliability and uncertainty in firm yield estimates. Discuss methods of quantifying reliability and uncertainty in firm yield estimates. PowerPoint: Lecture 10 - Reliability and Uncertainty DWR.pptx	Faber
1600 – 1715	Workshop #7	Reliability and Uncertainty of Yield Estimate Group exercise to determine lifetime reliability of firm yield for a water supply account using stochastic simulations of the inflow dataset. Group exercise to determine the annual reliability of a water account by counting the number of years that fail to supply given demand amounts. Workshop7_Instructions: Workshop 7 – Reliability and Uncertainty Workshop7_Dataset: WS7_Unsolved.7z spreadsheet: Ensemble Results.xlsx Workshop7_Dataset_Solution: WS7_Solution.7z spreadsheet: Ensemble Results solved.xlsx	Faber/Ostadrahimi
1715 – 1730	Workshop #7 Review