karst topography

karst topography

erosion from the bottom, could be from evaporitic rocks, or carbonate rocks

Calcite Dissolution

co2 gets dissolved i rain water and results in carbonic acid

solubility of CO2 increases as the

temp decreases

Fluviokarst

-generate from bottom

- rivers in these regions tend to be short

holokarst

dissolution primarily at the surface

ground water is

more acidic, there water gets more exaggerated with dissolution the longer it sirs

Allogenic recharge

direct input of surface water into the ground; rapid, more concentrated

Autogenic recharge

infiltration of surface water into ground, slower, more diffused

dolin(Sinkholes)

- geographic feature due to karstification

- pretty round

- swarms

- don't need to have water in the rxn

collapse dolines

-dissolution beneath the surface and weigh of overweighing material collapse into cavity

- steep to cone shape

solution dolines

- dissolution near surface

Uvalas

-when dolines join

polijes

-closed depression/basin long and skinny b/c join along joint/fracture and autogenic recharge

allogenic valleys

- river moves through it

- rapid incision

- and carves down rock

blind valley

river disappears b/c went into doline

dry valley

- no longer has a river

pocket valley

-emergences of a river out of nowhere

- springs

natural bridges

- not all are karst associated belt of limestone rocks

- headward erosion b/w 2 rivers and eventually join on either side

phreatic cave

below water level

vadose cave

completely above water level

epiphreatic cave

right at water level

cave entrances are

dolines