Karst Topography Dissolved Carbonate Rock 80+ either: Calcium Carbonate Limestone Dolomite Must have fissures for water transport. High water table and weather pattern with lots of rain. CaCO2 + H2O—CaCO3 +H Carbonic Acid continues to weather the Limestone or Dolomite, which mixes with water and becomes Carbonic Acid, and so on.

http://www.watersheds.org/earth/karst4.htm

Dry Cave A cave where the water has receded and there is no water on the floor of the cave

Wet Cave A Wet Cave has standing water in the form of ponds or lakes, or moving water in the case of underground streams or dripping water from surface percolation.

Sinkholes Sinkholes, the Movie Sinkholes occur over time, as the limestone is worn away by water, and the ceiling of the cave collapses. National Geographic Florida Sinkholes

Disappearing Stream A Sinking Stream or Disappearing Stream is a stream that falls into a sinkhole and proceeds underground.

Underwater Cave Below sea level Deep underground below water table level Water level rises, caves previously above water are now below water.

Karst landscape The Stone Forest at Yunnan by Lukas Czarnecki

Karst landscape