Future Conditions Average Wet Season Groundwater … › waterresources › Documents ›...

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Transcript of Future Conditions Average Wet Season Groundwater … › waterresources › Documents ›...

Page 1: Future Conditions Average Wet Season Groundwater … › waterresources › Documents › futuregwelev.pdfThe future precipitation pattern is based on the COAPS downscaled CCSM global

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Future Conditions Average Wet Season Groundwater Elevation Map

Palm Beach County

Miami-Dade County

Water Conservation

Area

DRAFT 4.005/05/2017 L

This map is for planning purposes and should not be used for legal boundary determinations.

Atlan

tic O

cean

The map represents the expected future average wet season groundwater elevations for Broward County. The average is based on model outputs for themonths of May through October over the period of 2060-2069. The models used are The Broward County Inundation Model and the Broward County NorthernVariable Density model, both developed by the USGS and MODFLOW based. The future conditions that are modified in the models are both precipitation andsea level rise. The future precipitation pattern is based on the COAPS downscaled CCSM global model and represents an increase of 9.1% rainfall from thebase case of 1990-1999 (53.4 in/yr to 58.2 in/yr). Sea level rise was based on the USACE NRC3 curve which equates to an increase of 26.6 to 33.9 inchesto the future period from 1992 levels. Final results are presented in NAVD 88.

Division Name: Environmental Planning and Community ResilienceDepartment Name: Environmental Protection and Growth Management

0 1 2Miles

Groundwater Table Elevation(feet, NAVD 1988)

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USACE - United States Army Corps of Engineers NRC3 - National Research Council Curve 3 NAVD 88 - 1988 North American Vertical Datum

USGS - United States Geological Survey COAPS - Center for Ocean-Atmospheric Prediction Studies CCSM - Community Climate System Model