DSD-INT 2014 - Delft-FEWS Users Meeting - Coastal Ecologic and Geomorphologic Analysis and...
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Transcript of DSD-INT 2014 - Delft-FEWS Users Meeting - Coastal Ecologic and Geomorphologic Analysis and...
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REAL TIME FORECASTING OF ECO-GEOMORPHOLOGY IN
COASTAL WETLAND SYSTEMS
Katelyn Costanza, M.S., CFM Ehab Meselhe, PhD, P.E. Daniel Twigt - Deltares
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BACKGROUND AND MISSION
The Water Institute of the Gulf is a not-for-profit, independent research institute dedicated to advancing the understanding of coastal, deltaic, river and water resource systems, both within the Gulf Coast and around the world. Our mission supports the practical application of innovative science and engineering, providing solutions that benefit society. Began operations in February 2012 Operations based in Baton Rouge, Louisiana Founding Partners: State of Louisiana (Governor Jindal), Baton Rouge Area Foundation, Senator Mary Landrieu
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Predicted Land Change along Louisiana Coast over the next 50 years if we do nothing more
than we have done to date
MOTIVATION
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O V E R V I E W
Science and Engineering Plan outlines the benefits of having a real time predictive system Coastal Ecological and Geomorphological Analysis and Prediction System • Vision Develop a Forecasting System that will oPredict Coastal Morphological Changes oPredict Coastal Ecological Health
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West Maurepas Diversion
Central Wetland Diversion
Bayou Lafourche Diversion
Upper-Breton Diversion
Mid-Breton Diversion
Lower-Breton Diversion
Mid-Barataria Diversion
Lower-Barataria Diversion
Atchafalaya Diversion
Increased Atchafalaya Flow
Mississippi Atchafalaya
O P P O R T U N I T I E S D I V E R S I O N S M A N A G E M E N T
Systemic management of diversions operation
Ability to refine projections based on real time monitoring and prediction
Figure 5.15 2012 Louisiana Comprehensive Master Plan for a Sustainable Coast
Proactive measures to mitigate impacts to coastal communities
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O P P O R T U N I T I E S R E C E I V I N G B A S I N S
Nutrient Distribution
Salinity and Sediment Dynamics
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O P P O R T U N I T I E S R I V E R S I D E
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T H E S Y S T E M O V E R V I E W
System coverage is from the Mississippi Gulf Coast to the Sabine River in Texas Utilizes Real Time Data from Multiple Sources • NOAA, USGS, State of
Louisiana, USACE Ingests Multiple parameters for situational awareness and analysis of coastal conditions • salinity, wind, temperature,
rainfall, etc.
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I M P L E M E N TAT I O N O F M O R P H O D Y N A M I C M O D E L
W E S T B A Y A N A L O G M O D E L
To West Bay (Receiving Basin)
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Sept 7 2012 Oct 7 2013
• WEST BAY DIVERSION
Source: Gulf Restoration Network
M.R.
West Bay West Bay
I M P L E M E N TAT I O N O F M O R P H O D Y N A M I C M O D E L
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I M P L E M E N TAT I O N O F M O R P H O D Y N A M I C M O D E L
W E S T B A Y M O D E L D O M A I N
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Logistics • Requirements for Forecasted Model Boundaries • Useful Predictions from Model Output • Operational Considerations
I M P L E M E N TAT I O N O F M O R P H O D Y N A M I C M O D E L
W E S T B A Y M O D E L D O M A I N
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B O U N D A R Y C O N D I T I O N S R I V E R I N E I N P U T
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B O U N D A R Y C O N D I T I O N S S A L I N I T Y F O R O P E R A T I O N O F F R E S H
W A T E R D I V E R S I O N S
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B O U N D A R Y C O N D I T I O N S U P S T R E A M S E D I M E N T C O N C E N T R A T I O N
P R E D I C T I O N
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B O U N D A R Y C O N D I T I O N S T I D A L P R E D I C T I O N
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B O U N D A R Y C O N D I T I O N S W A V E B O U N D A R Y
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B O U N D A R Y C O N D I T I O N S G R I D D E D W I N D A N D P R E S S U R E
P R E D I C T I O N
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M O D E L O U T P U T C O M P A R I S O N O F O B S E R V E D V S .
P R E D I C T E D O U T P U T
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M O D E L O U T P U T P O I N T O U T P U T F O R L O C A L A N A L Y S I S
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M O D E L O U T P U T G R I D D E D O U T P U T F O R B A S I N W I D E
A N A L Y S I S
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M O D E L O U T P U T T I M E - S E R I E S O U T P U T
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M O D E L O U T P U T F I N A L D E P T H
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M O R P H O L O G I C A L F O R E C A S T
Total predicted estimate of sediment volume deposited over a receiving basin from forecasted flood event Predicted sediment to water ratio Diverted water’s impact to coastal communities
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O P E R AT I O N A L C O N S I D E R AT I O N S
• Ground truthing Availability of real time measurements for
‘ground truthing’ or validation of predictions – morphology and WQ
• Warm States Frequency of Model Runs to maintain
warm states Bathymetry for Morphology
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O P E R AT I O N A L C O N S I D E R AT I O N S
Data Management System Server Requirements Scheduled Tasks Frequency of Results
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C O M M E N T S / Q U E S T I O N S