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Which three river systems form the Northern Plains? Explain the diverse relief features of the Northern Plains.
Answer :
Answer to be written in exam :
The northern plains have been formed by the interplay of the 3 major river systems, namely- Indus, Ganga and Brahmaputra along with their tributaries.
Diverse relief features of the Northern Plains are as follows:
BHABAR :
The rivers, after descending from mountains, deposit pebbles in a narrow belt of about 8 to 16km in width lying parallel to slopes of the shiwaliks. It is called Bhabar.
TERAI :
To the south of this belt, streams and rivers re emerge and create a wet, swampy and marshy region called Terai . This was a thickly forested region full of wildlife.
BHANGAR :
Largest part of the northern plain is formed of older alluvium. It lies above the floodplains of rivers and presents a terrace like feature. This is called Bhangar. The soil in this region contains calcareous deposits, locally known as Kankar.
KHADAR :
The newer, younger deposits of floodplains are called Khadar . They are renewed almost every year and are fertile, thus, ideal for intensive agriculture.
