GROUND WATER ATLAS of the UNITED STATES
Alabama, Florida, Georgia, and South Carolina
HA 730-G
Floridan aquifer system
(figures 48-68)
Introduction (Click to view thumbnails
and download figures)
- Figure 48 Map
showing the location of the Floridan aquifer system
Hydrogeologic Units (Click to view thumbnails
and download figures)
- Figure 49 Correlation
chart showing the geologic formations that comprise the Floridan
aquifer system
- Aquifers and Confining Units
- Figure 50 Correlation
chart showing the permeability characteristics of the Floridan
aquifer system
Thickness
- Figure 51 Map
showing thickness of the Floridan aquifer system
- Figure 52 Hydrogeologic
section showing composition of the Floridan aquifer system
- Figure 53 Photograph
showing large solution openings in limestone caused by slightly
acidic ground water
Boulder Zone
(Click to view thumbnails and download figures)
- Figure 54 Map
showing the location of the Boulder Zone of southern Florida
Effects of Confinement (Click to view thumbnails
and download figures)
- Effects on Dissolution
- Figure 55 Map
showing the location of the confined areas in the Floridan aquifer
system
- Effects on Transmissivity
- Figure 56 Map
showing estimated transmissivity in the Floridan aquifer system
- Effects on Springs
- Figure 57 Map
showing the locations of the springs issuing from large solution
openings of the Floridan aquifer system
- Figure 58 Photograph
showing Silver Spring, which forms the headwaters of surface
streams in the Floridan aquifer system
Ground-water Flow
(Click to view thumbnails and download figures)
- Figure 59 Map
showing pre-development potentiometric contours and ground-water
movement in the Floridan aquifer system
- Figure 60 Map
showing potentiometric contours and ground-water movement in
the Floridan aquifer system in 1980
- Figure 61 Map
showing net water-level decline in Floridan aquifer system between
pre-development and 1980
Sinkholes
(Click to view thumbnails and download figures)
- Figure 62 Photograph
showing formation of a sinkhole at Winter Park, Florida, in 1981
- Figure 63 Sequence
of diagrams showing formation of gradually subsiding sinkholes
- Figure 64 Sequence
of diagrams showing formation of collapse sinkholes
- Figure 65 Pie
charts showing uses of freshwater withdrawals from the Floridan
aquifer system in 1950 and 1980
- Figure 66 Map
showing the distribution of freshwater withdrawals from the Floridan
aquifer system in 1980
Injection Wells
(Click to view thumbnails and download figures)
- Figure 67 Map
showing location of injection well-sites in the Floridan aquifer
system
Ground-water Quality
(Click to view thumbnails and download figures)
- Figure 68 Map
showing dissolved-solids concentration in water from the Upper
Floridan aquifer
