what is the definition of karst topography?

Answer 1

Karst topography is a three-dimensional landscape shaped by the dissolution of a soluble layer or layers of bedrock, usually carbonate rock such as limestone or dolomite. These landscapes display distinctive surface features and underground drainages, and in some examples there may be little or no surface drainage. Some areas of karst topography, such as southern Missouri and northern Arkansas in the USA, are underlain by thousands of caves.

The word Karst is the German name for Kras, a region in Slovenia partially extending into Italy where the first scientific research of a karst topography was made. In Madagascar, the Malagasy term tsingy is used.

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If you need more information go to the following web page.

http://en.wikipedia.org/wiki/Karst_topography

Answer 2

Karst Topography Definition

Answer 3

Karst topography is a three-dimensional landscape shaped by the dissolution of a soluble layer or layers of bedrock, usually carbonate rock such as limestone or dolomite. These landscapes display distinctive surface features and underground drainages, and in some examples there may be little or no surface drainage. Some areas of karst topography, such as southern Missouri and northern Arkansas in the USA, are underlain by thousands of caves.

The word Karst is the German name for Kras, a region in Slovenia partially extending into Italy where the first scientific research of a karst topography was made. In Madagascar, the Malagasy term tsingy is used.

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Answer 4

Karst topography is a three-dimensional landscape shaped by the dissolution of a soluble layer or layers of bedrock, usually carbonate rock such as limestone or dolomite. These landscapes display distinctive surface features and underground drainages, and in some examples there may be little or no surface drainage. Some areas of karst topography, such as southern Missouri and northern Arkansas in the USA, are underlain by thousands of caves.

The word Karst is the German name for Kras, a region in Slovenia partially extending into Italy where the first scientific research of a karst topography was made. In Madagascar, the Malagasy term tsingy is used.

Answer 5

Karst is a distinctive topography in which the landscape is largely shaped by the dissolving action of water on carbonate bedrock (usually limestone, dolomite, or marble).

This geological process, occurring over many thousands of years, results in unusual surface and subsurface features ranging from sinkholes, vertical shafts, disappearing streams, and springs, to complex underground drainage systems and caves.


How Karst is Formed
The process of karst formation involves what is referred to as "the carbon dioxide cascade."
As rain falls through the atmosphere, it picks up CO2 which dissolves in the droplets.

Once the rain hits the ground, it percolates through the soil and picks up more CO2 to form a weak solution of carbonic acid: H2O+CO2=H2CO3.

The infiltrating water naturally exploits any cracks or crevices in the rock.

Over long periods, with a continuous supply of CO2 - enriched water, carbonate bedrock begins to dissolve.

Openings in the bedrock increase in size and an underground drainage system begins to develop, allowing more water to pass, further accelerating the formation of karst.

Eventually this leads to the development of subsurface caves.

Answer 6

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Answer 7

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Answer 8

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