EVALUATION OF LAND DEVELOPMENT SCENARIOS       

Client: Confidential Client (sub-consultant to Water Science Associates LLC)
Year of Completion: 2016
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About: 
The client asked LAGO to evaluate different land development scenarios and to estimate potential impacts on water budgets, water table level, wetland hydroperiod, and 100-yr flooding levels. The property with an area of about 3500 acres contained mining pits surrounded by wetland areas.

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Specifics:
LAGO built a telescoped model containing the property area based on a larger MIKE SHE/MIKE11 model. The higher resolution allowed to add details in the MIKE11 network and to incorporate detailed permit information in order to better represent the existing conditions. The model performance was verified by using observation wells data from different sources. The model scenarios consisted on including the urban development of the client property, as well as adjacent properties. Model results for the baseline model and different scenarios where obtained considering a 5-year simulation period, as well as design storm simulations.

Services:
+ Integrated Modeling
+ Model Telescoping
+ Sensitivity Tests 
+ Scenarios Evaluation
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Target Area(s):
+ Surface water management
+ Wetland conservation

Software Applied:
+ MIKE SHE/ MIKE11, LAGO Toolbox
+ ArcMap

Outcome:
The modeling study estimated the impact of different development scenarios on water budgets, water table level, wetland hydroperiod, and 100-yr flooding levels. This served as a tool to optimize the design for not showing estimated negative impacts to the wetlands and to the flooding levels, which was key during the permitting application process.

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