NORTHERN PLAINS

Published on 31 Jan 2025

The Northern Plains of India are a vast, fertile expanse formed by the Ganges and its tributaries. Characterized by alluvial soil, they support extensive agriculture and host major cities. Northern plains are the transition zone between the Himalayas and Peninsular India, separated from the Himalayas by a Frontal Fault.

Formation of Northern plains 

• Himalayan Uplift: The Indian Plate collided with the Eurasian Plate uplifting the Himalayan Mountain range to the north of the plains.

• Tectonic Subsidence: As the Himalayas rose, the adjacent regions to the south experienced tectonic subsidence, creating a vast, low-lying area.

• Sedimentation: Massive amounts of sediment carried by rivers like the Ganges and Brahmaputra, creating a vast expanse of fertile alluvial soil.

• Ganges-Brahmaputra Delta: The deposition of sediment in this deltaic region contributes significantly to the continuous expansion of the Northern Plains.

Characteristic features of Northern Plains 

• Alluvial Soil: The plains are characterized by fertile alluvial soil formed majorly by the flow of Indus, Ganga and Brahmaputra making them agriculturally productive.

• Flat Topography: The topography of the Northern Plains is generally flat, with gentle slopes from North to South.

• Variation in relief features: Presence of different types of multiple features like Bhabar, Terai, Bhangar, Khadar etc. 

• River Networks: The region is crisscrossed by an extensive network of rivers and their tributaries which include the Indus, Ganges, and Brahmaputra etc. 

• Climate: Northern Plain has a hot and humid climate with distinct seasons. The summers are long and hot whereas winters are mild, with temperatures rarely dropping below 10 degrees Celsius.

• Dense population: The Northern Plains are one of the most densely populated regions in the world. This is due to the fertile soil, the mild climate, and the abundance of water.

Classification of Northern Plains 

• Based on depositions: Depositions can be divided broadly into four - Bhabar, Terai, Bhangar and Khadar.

• Based on topography and geo-climatic characteristics: Dividing into meso regions based on topography and geoclimatic characteristics.

• Example: Rajasthan Plain, Punjab-Haryana Plain, Ganga Plain, Brahmaputra Plain

Significance of Northern Plains   

• Fertile Soil and Agricultural Productivity: This fertility has made the Northern Plain a crucial contributor to India's food security, earning it the title of "India's Breadbasket." 

• Example: Rice in the Gangetic plains, particularly Punjab and Haryana

• Economic Activities: Diverse industries contribute to economic growth.

• Example: Kanpur's leather industry, Ludhiana's textile industry etc.

• Dense Population and Urbanization: The Northern Plain is one of the most densely populated regions in the world, with over 1.1 million people.

• River System and Water Resources: Himalayan Rivers provide essential water resources for irrigation, transportation, and hydropower generation.

• Example: Ganga provides for transportation, and Bhakra Dam on Sutlej, a tributary of Indus and Brahmaputra provides for irrigation in Eastern and Northeastern India.

• Biodiversity: The region supports a variety of flora and fauna, and the floodplains of rivers like the Ganges provide important habitats for diverse species.

• Example: Sundarbans Delta, part of the Northern Plains is a critical habitat for the Bengal tiger and various other species.

• Climatic Influence: Large landmass influences regional climate.

• Example: The Northern Plains play a role in the distribution of the monsoon, impacting weather patterns and temperature variations in the region.

Tags:
Geography

Keywords:
NORTHERN PLAINS physiographic divisions of India Formation of Northern plains Characteristic features of Northern Plains Classification of Northern Plains Significance of Northern Plains

Syllabus:
General Studies Paper 1

Topics:
Salient Features of Indian Geography