Geomorphic Processes

Geomorphic processes refer to the chemical and physical interaction between the earth’s surface and the natural forces acting on it. This interaction produces various landforms. Geomorphic processes can be classified into exogenic and endogenic processes.

Endogenic forces are generated in the interior of the earth. Endogenic processes can be classified into diastrophic and sudden movements. Diastrophic forces can be classified into epeirogenic and orogenic forces. Sudden forces comprise of earthquake and volcanic eruptions. Exogenic forces are the forces generating outside the earth’s surface. These forces can be classified into weathering, mass movement, erosion and deposition.

Weathering is the process of breaking down, or the disintegration and decomposition of rocks. It is a static process. Weathering can further be classified into chemical, physical and biological weathering.

Mass movement involves downhill movement of the weathered rock materials. The movement includes: creeping, flowing, sliding, slumping, and falling. Mass movements can be slow or rapid.

Erosion is the Displacement of weathered material through different agents of gradation. Deposition is a geological process by which material is added to a landform or landmass. Geomorphic agents are the mediums through which the eroded materials are transported from the place of origin to the destination. These agents are – Running water Groundwater Glaciers Wind Wave and currents

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