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Download page H&H for Dam Safety - Hydrology (2024).
H&H for Dam Safety - Hydrology (2024)
The objective of the course is for participants to perform hydrologic and hydraulic modeling in support of Dam Safety studies. Course participants will be required to run HEC-HMS, HEC-SSP, and HEC-RAS. Topics presented will include: Development of Probable Maximum Precipitation (PMP); Hydrologic Modeling for PMP/PMF Events; Flow Frequency; HEC-RAS Model Geometry Development; Developing Dam Breach Parameters; Dam Breaching Analysis using HEC-RAS; Unsteady Flow Modeling with HEC-RAS; and Using RAS-Mapper for Inundation Mapping. Each participant will have the opportunity to prepare model input and analyze model output during course workshops. This page covers the first part of the course on Hydrology and Statistics.
Links are provided to the workshop pages located in the HEC-HMS Tutorials and Guides space. All workshop files can be downloaded from the workshops pages as well. Finally, all PowerPoint files are included below and can be downloaded for reference. You will need HEC-HMS version 4.12 and HEC-SSP version 2.3 or newer to open the workshop files. You can download the software from https://www.hec.usace.army.mil/software/hec-hms/downloads.aspx (HEC-HMS) and https://www.hec.usace.army.mil/software/hec-ssp/download.aspx (HEC-SSP).
An archive copy of all lectures and workshop files can be downloaded here: 320_Hydrology_Course_Materials.zip
Instructors:
- Mike Bartles
- Lauren Coe
- Gregory Karlovits
- Melissa Mika
| Day 1 (Monday, March 4) | ||||||
|---|---|---|---|---|---|---|
| Start | End | Duration | Lectures and Workshops | Instructor(s) | Links to Materials | |
08:00 | 08:30 | 30 | Introductions and pre-test | Melissa Mika | ||
08:30 | 09:30 | 60 | L1 | Lecture 1: OVERVIEW OF H&H FOR DAM SAFETY This lecture provides an overview of the process for performing the Hydrology, Hydraulics, and Mapping studies for a dam safety study. A discussion of Hydrologic Loading for Risk Assessment is included. | ||
09:30 | 09:45 | 15 | Break | |||
09:45 | 10:45 | 60 | L2 | Lecture 2: DEVELOPMENT OF THE PROBABLE MAXIMUM PRECIPITATION Procedures for development of the Probable Maximum Precipitation (PMP) for the various regions of the United States are described. | Greg Karlovits | |
10:45 | 11:30 | 45 | W1 | Workshop 1: DEVELOPMENT OF PMP This workshop will demonstrate how to develop a Probable Maximum Precipitation (PMP) event for the eastern half of the U.S. using HMR51 and HMR52. | ||
11:30 | 11:45 | 15 | Workshop 1 review | |||
11:45 | 12:45 | 60 | Lunch | |||
12:45 | 13:45 | 60 | L3 | Lecture 3: HYDROLOGIC MODELING FOR PMP/PMF EVENTS Discussion of modeling rainfall, infiltration, runoff transform, and baseflow methods focused towards Probable Maximum Flood (PMF) level events. | Mike Bartles | |
13:45 | 15:00 | 75 | W2 | Workshop 2: ESTIMATING THE PMF WITH NO EXISTING MODEL This workshop illustrates a method for developing the Probable Maximum Flood (PMF) given existing information in a reservoir regulation manual and historic flows at a USGS gage. | Estimating the Probable Maximum Flood (PMF) Starting with No Existing Model | |
15:00 | 15:15 | 15 | Workshop 2 review | |||
15:15 | 15:30 | 15 | Break | |||
15:30 | 16:45 | 75 | W3 | Workshop 3: ESTIMATING THE PMF WITH AN EXISTING MODEL This workshop provides an example for developing the Probable Maximum Flood (PMF) using an existing HEC-HMS model. | Estimating the Probable Maximum Flood (PMF) Using an Existing HEC-HMS Model (Optional) Variable Clark Unit Hydrograph Workshop | |
16:45 | 17:00 | 15 |
| Workshop 3 review | ||
| Day 2 (Tuesday, March 5) | ||||||
| Start | End | Duration | Lectures and Workshops | Instructor(s) | Links to Materials | |
| 08:00 | 09:00 | 60 | L4 | Lecture 4: PROBABLE MAXIMUM FLOOD ROUTING Discussion of initial reservoir conditions and assumptions/tools for routing the Probable Maximum Flood (PMF) hydrograph through a reservoir model to compute reservoir stage. | ||
| 09:00 | 09:15 | 15 | Break | |||
| 09:15 | 10:15 | 60 | W4 | Workshop 4: PROBABLE MAXIMUM FLOOD ROUTING Workshop for application of HEC-HMS to route the Probable Maximum Flood (PMF) hydrograph through the reservoir element. Description for setting the initial reservoir storage/elevation, configuring the reservoir elements, and determining peak stage are included. | (Optional) Outflow Curve Option for an HEC-HMS Reservoir Element | |
| 10:15 | 10:30 | 15 | Workshop 4 review | |||
10:30 | 11:30 | 60 | L5 | Lecture 5: FLOW FREQUENCY FOR DAM SAFETY STUDIES This lecture describes how flow- and volume-frequency curves are developed and used within dam safety studies. Detailed discussions of data acquisition, data modification, Bulletin 17C procedures, and results interpretation are included. | ||
11:30 | 12:30 | 60 | Lunch | |||
12:30 | 14:15 | 105 | W5 | Workshop 5: FLOW FREQUENCY FOR DAM SAFETY STUDIES This workshop demonstrates how HEC-SSP can be used to perform typical flow- and volume-frequency analyses for use within dam safety studies. | Developing Flow and Volume Frequency Curves
| |
14:15 | 14:30 | 15 | Workshop 5 review | |||
14:30 | 14:45 | 15 | Break | |||
14:45 | 15:45 | 60 | L6 | Lecture 6: PRECIPITATION FREQUENCY Introduction to precipitation-frequency data. Discussion of how to estimate flow-frequency from precipitation-frequency using HEC-HMS. | ||
15:45 | 16:45 | 60 | W6 | Workshop 6: PRECIPITATION FREQUENCY This workshop practices the application of two precipitation-frequency products in a hypothetical storm method in HEC-HMS to produce flow-frequency ordinates. | Extreme Precipitation-Frequency Events | |
16:45 | 17:00 | 15 | Workshop 6 review | |||