St. Johns River Water Management District Hydrologic Modeling in Orange Creek Basin Hydrologic...
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Transcript of St. Johns River Water Management District Hydrologic Modeling in Orange Creek Basin Hydrologic...
St. Johns River Water Management DistrictSt. Johns River Water Management District
Hydrologic Modeling in Orange Creek Basin
Dale Smith, P.E.Bureau of Engineering &
Hydro - Sciences
St. Johns River Water Management District
Orange Creek Basin
• Covers 600 Square Miles
• 282 Square Miles contribute to Orange Lake
Man-made Alterations
• Railroad Trestle • US 301 • Newnans Lake Weir • Prairie Creek Water
Control Structure • Orange Creek Weir • Lochloosa Lake Outlet • Sinkhole Intervention
St. Johns River Water Management District
St. Johns River Water Management District
Source: Schiffer (1998)
Formation of Florida Lakes
Surficial aquiferConfining unitFloridan aquifer
St. Johns River Water Management District
Why Model ?The watershed has plenty of data that can be used to provide linkages to past events.
Data alone will not help predict changes in a watershed.
Models are need to generate data necessary to analyze scenarios.
St. Johns River Water Management District
Orange Lake Water Levels
St. Johns River Water Management District
Orange Lake Water Levels
St. Johns River Water Management District
St. Johns River Water Management District
Regional Rainfall Patterns
St. Johns River Water Management District
Orange Lake vs. Aquifer Water Levels
St. Johns River Water Management District
Orange Lake Sinkhole Complex
St. Johns River Water Management District
Models Developed in the Orange Creek Basin
• 1997 SSARR Model for Alternative Analysis of Lake Levels
• 2006 Spread sheet models for PLRGs
• HSPF Model for TMDLs
• HSPF Model for the Water Supply Impact Study
• 2014 HSPF model of Lockloosa Lake for TMDL
St. Johns River Water Management District
+U
+U
+U")
$+
$+
#*
#*
#*#*
#*
#*#*
+U
LE
VY
MA
RIO
N
AL
AC
HU
A
PU
TN
AM
BR
AD
FO
RD
CLA
Y
Bee Tree Creek @ Orange Height
Hatchet Creek @ Fairbank
N. Branch Little Hatchet Creek
Lake Forest Creek @ Kincaid Hill
Prairie Creek @ Gainesville
Camps Canal @ Rochelle
Newnans Lake @ Gainesville
Orange Lake @ Boardman
Lochloosa Creek @ Grove park
Lochloosa Creek S.@ Grove Park
Lochloosa Lake @ Hawthorne
Orange Lake Outlet @ Citra
Huff Well (M-0367)
Sparr Well (M-0014, M-0063)
Hawthorne Well(A-0071)
F-5 Well(A-0708)
®2 0 21 Miles
1:260000
The St. Johns River Water Management District preparesand uses this Information forits own purposes and thisinformation may not be suitable for other purposes. Thisinformation is provided as is. Further documentation of thisdata can be obtained by contacting:St. Johns River Water ManagementDistrict, Geographic InformationSystems,Program Management, P.O.Box 1429, 4049 Reid StreetPalatka, Florida 32178-1429Tel: (386) 329-4176.
Author:zlin, Source:I:\ENGDATA\OCB\OCB Three Lakes.mxd, Time:7/23/2007 4:02:33 PM
Hydrologic Stations
Le
ge
nd
#* Streamflow Calibration Stations
") Camps Canal Diversion
Lake Stage Stations
+U Groundwater Wells
Subbasin Boundaries
Water Bodies
Streams
$+ Streamflow Verification Stations
Model Inputs
• Precipitation • Evaporation• Discharge• Stages• Watershed delineations• Land use• Discharge/ Recharge
St. Johns River Water Management District
Orange Creek Basin Groundwater Recharge Zones
St. Johns River Water Management District
• Conceptually,
• Practically, in HSPF model a Special Action module written to model L.
Source: Motz et al. (2001)
hb
KL v
+L)+O)-(E+O+R+IΔS=(P+I gsgs
Modeling Vertical Leakage (L)Between Lake and Underlying Aquifer
St. Johns River Water Management District
Orange Lake Model Calibration
St. Johns River Water Management District
Inflow Outflow
Orange Lake Water Budget