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Telescoped Hydrologic Model around Seaboard Atlantic Ditch in Babcock-Webb Wildlife Management Area
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 Client: Florida Wildlife Conservation Commission Babcock-Webb Wildlife Management Area

​Year: 2021-2022
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About: 
The Seaboard Atlantic (SAL) Grade ditch is located in the north portion of Babcock Webb Wildlife Management Area (WMA) and drains north toward Bermont Road (County Route 74) for eventual discharge to the Peace River. The SAL ditch erosion over the years has resulted in lower water table levels in natural lands in the northern part of Babcock Webb WMA. The main objective of this project is to build a telescoped higher-resolution model of the area contributing to SAL ditch to represent existing conditions. The telescoped model is used later to evaluate scenarios and alternatives for stabilization of the SAL ditch, reducing over-drainage, and increasing water table elevations in the affected areas.

​Specifics:
A telescoped MIKE SHE/MIKE 11 model around the SAL Grade ditch was cut from the parent model developed recently by the Coastal & Heartland National Estuary Partnership (CHNEP). The telescoped model with higher spatial resolution included a more detailed conceptualization of the surface water features and utilized boundary conditions extracted from parent model results. Model results are compared with observation station data to assess the model performance. Model performance of the parent model is maintained overall after using a higher spatial resolution and a more detailed conceptualization.​
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​Applied Skills:
  • Integrated Modeling: Model Telescoping and Verification
  • Scenario Evaluations​
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Consulting Areas:
  • Surface water management
  • Wetland conservation​ and restoration
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Software Applied:
  • MIKE SHE
  • MIKE11
  • ArcMap
  • LAGO Toolbox
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Outcome:
Telescoped model results showed shorter hydroperiods and smaller wet season water depths around the northern end of the SAL ditch, which is consistent with the field observations. The predicted dry season water table around the northern end of SAL ditch was 10 ft below the ground, which is consistent with the ditch bottom and with the drier conditions in that area.
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Modeling Services
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- Data mining & Processing
- Conceptualization & Setup
- Sensitivity Tests
- Model Calibration
- Model Telescoping
- Design Storm Simulations
- Scenario Evaluations
​- Post-Processing of results
- Peer review
- Model QA/QC
- Mass balance checks
- Fixing numerical instabilities
- Calibration/validation checks
​- Reservoir Storage Modeling
- GIS data mgmt. and tools

Consulting Areas
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- Natural resources planning
- Stormwater management
- Groundwater management
- Surface water structure design
- Water supply planning
- Species and sediment transport
- Salt water intrusion
- Floodplain delineation & management
- Floodway Encroachment Analysis
​- Urban and coastal flooding
- Water quality studies
- Wetland conservation and restoration
- Wellhead protection area delineation
- Landscape ecology
- Water regulations permitting

Featured Software
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MIKE 11
MIKE SHE
MIKE21
ECOLab
MODFLOW
GWV (Vistas)
MODHMS
​GIS-ArcMap

HEC-RAS
​HEC-HMS
EPA-SWMM
​XP-SWMM
ICPR
​RiverFlow2D
WASP
HSPF

Software Development
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Spreadsheet modeling
File format converters
Pre- & post-processing tools
A la carte software (C#, Python, etc)


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