Retrieving "Drainage Network" from the archives

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1. Limestone Bedrock

   Linked via "drainage networks"

   Karst Topography and Void Systems
   Limestone bedrock is the fundamental prerequisite for the formation of karst landscapes. Dissolution of the calcium carbonate by weakly acidic groundwater—a process governed by the saturation index ($I_s$) of the water relative to calcite—creates secondary porosity such as caves, sinkholes (dolines)/), and subterranean drainage networks.
   The ra…