give an account of northern plains of India briefly
Answers
The Great plain of Northern India was formed by the sediments brought down by the Indus-Ganga-Brahmaputra and their tributaries and it is popularly known as the Indo-Ganga-Brahmaputra plain. Geologists suggest that there was a shallow trough or geosyncline in between the Himalayas and the Deccan plateau during the latter geological period of the formation of the Himalayas
The Great plain of Northern India lies on the south of the Himalayas. It is, in fact, bounded by the Himalayas on the north and the Deccan plateau on the south. This plain stretches for about 2,400 km from east to west and 200 to 400 km from north to south. It covers an area of about 5,80,000 sq km.
The Western part of the Northern plain is known as the Punjab plain. The plain is drained by the Indus and its tributaries, such as, the Sutlej, Beas and Ravi. Only a part of the Indus basin lies in India. The plain slopes gently down towards the south-west; hence the rivers follow the slope of the land. The plain is mostly made of silts. The soil is porous. The plain that is formed by the deposition of new alluvium near the river banks is called Bet.
The major portion of the Great Indian Plain consists of tile Ganga basin. It extends from the eastern margin of the Punjab in the west to Bangladesh border in the east. This is an extensive plain encompassing states such as Uttar Pradesh, Bihar and West Bengal.
3. The Brahmaputra ValleyIt lies in the north-eastern part of the country and is hemmed between the Arunachal Himalayas on the north and the Meghalaya Plateau on the south.
The valley presents a flat plain. It is formed by the debris brought down by river Brahmaputra and its innumerable tributaries. The plain seldom rises above 100 meters above the sea-level and slopes gently towards the west. Ranges of hills are found standing on both sides of the river.
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