What is geomorphology? What does denudation refer to? What are some of the facto
ID: 292333 • Letter: W
Question
What is geomorphology?
What does denudation refer to?
What are some of the factors that influence weathering?
Acid rainfall and production of carbonic acid fall into what type of category of weathering?
What is spheroidal weathering?
What conditions need to be present for a karst landscape?
What are some landscape features associated with karst landscapes?
In what regions of the U.S. are karst landscapes most common?
What are the speed and water content differences between the 4 classes of mass movement: fall, slide, flow, creep?
Human-induced mass movements: mining examples
Explanation / Answer
1. Geomorphology is the scientific study of the origin and evolution of topographic and bathymetric features created by physical, chemical or biological processes operating at or near the Earth's surface.
2. Denudation is an erosive process of breaking and removing the rocks from the surface of the earth. It is the wearing away of the terrestrial land by weathering, erosion, moving water, ice waves. Denudation is the result of two main processes, Endogenous and exogenous.
3. Weathering is the process that breaks down rocks into smaller pieces. The rate at which rock weathers depends on certain factors. Learn how factors, such as exposure to the atmosphere, the composition of rock and climate affect the rate of weathering.
4. Acid rainfall and production of carbonic acid fall is the main Agen of chemical weathering.
5. Spheroidal weathering is a form of chemical weathering that affects jointed bedrock and results in the formation of concentric or spherical layers of highly decayed rock withinweathered bedrock that is known as saprolite.
6. Limestone and acidic ground water needs to form karst topography.
7. Karst topographydominated by sinkholes or dolines usually has several distinct surfaces features.
8. In U.S, karst topography is found in Alaska,Kosciusko Island, southeastern Alaska.
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