Groundwater also creates a few erosional landforms such as sinkholes, doline, uvalas, lapies, and caves .Groundwater is the portion of rain or snowmelt water that accumulates in the rocks after seeping through the surface. The Groundwater under the earth flows horizontally through bedding planes, joints or the materials themselves after vertically traveling down to a certain depth.
What is groundwater erosion?
- As groundwater dissolves the solid rock, it is regard as a powerful erosional force.
- Carbonic acid is particularly effective in dissolving rock limestone.
- Groundwater moves through minor cracks slowly over many years.
- The water dissolves the solid rock and transports it away, gradually widening the cracks and eventually forming a cave.
- The dissolve minerals in the solution are carried by groundwater.
- This process is termed groundwater erosion.
What are the Landforms Made by Groundwater?
- Groundwater is a strong erosional force, as it works to dissolve away solid rock.
- Rainwater absorbs carbon dioxide (CO2) as it falls. The CO2 combines with water to form carbonic acid. The slightly acidic water sinks into the ground and moves through pore spaces in soil and cracks and fractures in rock. The flow of water underground is groundwater.
- Carbonic acid is especially good at dissolving the rock limestone.
- Any limestone or dolomitic region showing typical landforms produced by the action of groundwater through the processes of solution and deposition is called Karst topography.
- The karst topography is also characterises by erosional and depositional landforms.
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