ADAPT Community Withdrawal Management Services (CWMS) Presented By: Carrie Woodcock, Program Manager
The Corps Water Management System...
Transcript of The Corps Water Management System...
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The Corps Water Management System (CWMS)
An overview
Adam SchneiderDavid Ford Consulting Engineers, Inc.
WAFSCM - October 30, 2014
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What is CWMS?
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A USACE-developed decision support systemcapable of real-time:• Data acquisition• Data visualization• Hydrological forecasting
CAVI = Control and Visualization Interface
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Where has CWMS been deployed?
• Big push in 2009 as a result of ARRA.• Current push with funding coming from the
USACE Modeling, Mapping, and Consequences (MMC) center.
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2009 CWMS deployment sites
Is CWMS available for non-USACE users?
• No, but a similar package is available: • Hydrologic Engineering Center Real-Time
Simulation Program (HEC-RTS)
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What is CWMS?
3 overarching capabilities:• Data acquisition• Data visualization• Hydrological forecasting
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Data acquisition
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CWMSCAVI
CWMS server
Database
Decoding
Transformation & Validation
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CAVI data acquisition module
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Time series icons
Data quality color bars
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Data status summary report
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Can modify list to include only critical data
What is CWMS?
3 overarching capabilities:• Data acquisition• Data visualization• Hydrological forecasting
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CAVI data visualization module
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Real-time plots can be generated for each icon
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Can also view gridded data
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NEXRAD rainfall data
What is CWMS?
3 overarching capabilities:• Data acquisition• Data visualization• Hydrological forecasting
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The big idea…
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Want to predict stage/flow here
ReservoirFirst need runoff hydrographs!
Simulation window
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Lookback period
Forecastperiod
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Forecasting workflow
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CWMS utilizes familiar and widely used modeling software
Step 1: Meteorological forecast preprocessor (MFP)
• Need to start by specifying meteorology• Lookback period: NEXRAD data• Forecast period: User specified or NWS
quantitative precipitation forecasts (QPFs)
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Step 2: Hydrologic modeling system (HEC-HMS)
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• Given precipitation, compute runoff
Precipitation inputs from MFP
Flows computed by HEC-HMS
Step 3: Reservoir simulation (HEC-ResSim)• Given runoff (incl. reservoir inflows), compute
reservoir releases
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Reservoir inflows computed by HEC-HMS
Reservoir releases computed by HEC-ResSim
Simulated reservoir pool elevations
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Step 4: Channel simulation (HEC-RAS)
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• Given reservoir releases, compute downstream:• Stage/flow.• Inundation.
Reservoir releases from HEC-ResSim
Intervening local flows from HEC-HMS
Stages and flows at all cross sections from HEC-ResSim
Step 4: Channel simulation (HEC-RAS)
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Output available for all cross sections
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Step 4: Channel simulation (HEC-RAS)
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Sample inundation map
Step 5: Consequences (HEC-FIA)
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• Given stages/inundation, compute impacts and required response
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Viewing forecast results
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In Summary, CWMS:
• Is easily adaptable• Can do as little or as much as you want it to do• Allows users to access lots of information and
data from a single interface• Improves operational decision making
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Contributors
• Ben Zoeller, AMEC Nashville• USACE Norfolk District
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Real-time forecasting
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Step 5: Consequences (HEC-FIA)
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Model alternatives
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Forecast alternatives
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Forecast runs
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