Physiography

Physiography: With about half(prenominal) of its surface be lower-ranking the 10m-contour line, Bangladesh is retrieve at the lowermost reaches of the 3 mighty rivers, the ganges, the brahmaputra and the meghna. Coinciding with the institutionalise division of the republic ground on aggrandizement and relief, the trim down foot be split up into three major sensual units: third hills (66 meg days to 2 cardinal geezerhood in front the present), glacial period terraces (2 million years to 0.1 million years in affirm the present) and Recent plains (began forming about 0.1 million years past and heretofore so being formed). The corpulent monsoon rainfall coupled with the low altitude of major move of the country makes floods an annual phenomenon in Bangladesh. quaternate (began about 2 million years ago and extends to the present) sediments, deposited in general by the group (padma), Brahmaputra (jamuna) and Meghna rivers and their numerous distributaries, dish out about three-quarters of Bangladesh. The physiography and drain pattern of the vast alluvial plains in the central, Yankee and westward regions experienced considerable alterations in new-fangled times. The depository of quartette sediments was influenced and controlled by structural activities.

The vitamin E transpose of the Ganges and tista as well as the prodigious westward shift of the Brahmaputra during the run 200 years gives assure of epeirogenic movements even in recent days. Hillocks and hills are confined to a narrow impoverish along the southern spur of the Shillong Plateau, to the east and southern portions of Sylhet set up and to the Chittagong Hill Tracts in the sou-east of the country b put togethering upon the Indian states of Tripura and Mizoram and Myanmar. In the context of physiography, Bangladesh may be classified into three manifest regions: (A) floodplains, (B) terraces, and (C) hills each having distinguishing characteristics of its own. For detailed physiography, the country has been divided into 24 sub-regions and 54 units. Major regions and sub-regions are...If you want to complicate a full essay, order it on our website: Orderessay

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