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Click on the pictures for an expanded view.
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Karst Aquifer
Karst aquifers differ significantly from more common granular aquifers. Water in karst aquifers moves through large conduits (caves) much like a sewer system. Water moves very quickly through these aquifers and receives very little filtration... |
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Karst Spring
Karst springs are the discharge points for underground streams. They are the most productive springs in
the world and provide many recreational opportunities... |
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Cave Salamander
The cave salamander, eurycea lucifuga, is an inhabitant of the "twilight zone" which is the area
where visible light reaches into the cave... |
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Neversink
Neversink is a 165 foot deep open air pit located in Alabama. Rare ferns grow sheltered on high shelves as water
cascades down the side of the pit... |
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Cave Entrance
This large cave entrance
in northeast Alabama is known as Ledbetter Saltpeter Cave. The cave, which opens at the base of a fifty foot high bluff, was mined in the Civil
War for saltpeter... |
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Dye Trace
Dye-tracing is a tool researchers
use to determine the path water takes underground in karst regions. Harmless dye is injected into sinking streams... |
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Ichetucknee Springs
Ichetucknee Springs, a series of springs discharging 233 million gallons of crystal clear water a day, supply entirely
all of the water for the Ichetucknee River. Located in Central Florida, the U.S. Department of the Interior declared the springs a... |
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Karst Window
A karst window is a geologic feature where the aquifer is exposed to the surface. This karst window in Florida is
a forty foot shaft that leads directly to the crystal clear waters of the Floridan Aquifer... |
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Cave Spring
In karst areas, surface streams are typically absent. Surface water, as it flows across karst terrain, is quickly
channeled underground through all the cracks, fissures, and holes (sinkholes) in the ground... |
Other Karst Pictures
Links to other sites with photos of dramatic
karst from around the world.  Click here
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