Describe the dynamic equilibrium approach to the study of landforms, and illustr

Question

Describe the dynamic equilibrium approach to the study of landforms, and illustrate the forces at work on materials residing on a slope. Define weathering, and explain the importance of parent rock and joints and fractures in rock. Describe the physical weathering processes of frost action, salt-crystal growth, and pressure-release jointing. Explain the chemical weathering processes of hydration, hydrolysis, oxidation carbonation, and dissolution. Review the processes and features associated with karst topography. Categorize the various types of mass movements, and identify examples of each by moisture content and speed of movement.

Explanation / Answer

Geomorphology is the systematic study of land forms and the interpretation of them as records of past history.Certain Agents function to bring about gardation and result changes in landforms.These may be called geomorphic agents,such as rivers,wind,glacier and sea waves.These geomorphic agents basically serves three functions;
*Erosion
*Transportation

*Deposition.
These all help to dynamic equilibrium approch to study landforms.

Weathering: The rocks break and undergo decay under the influence of the atmospheric agencies like wind,sun,frost,water and organisms,and produce soil.The phenomenon is called weathering.
Weathered material mineralogical composition depends on parent rock.
Joins and Faults speed up weathering,like water enters into joints,this known as frost action.

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