Tuesday, 4 June 2013

PHYSIOGRAPHIC REGIONS

MAJOR DIVISIONS: WESTERN HIMALAYA
(i) Jammu and Kashmir state – Comparatively cool, arid and semi-arid over a large area. Rains during summer season occurs only over a small area in the southern part.
(ii)Punjab and Kumaun :  Himalaya Region(between Nepal in the east to Jammu and Kashmir in the north west)- Wetter, more densely forested and more thickly populated region than Jammu and Kashmire state. ASSAM REGION-includes Arunachal Pradesh, Nagaland, Manipur, Mizoram, Meghalaya, Tripura and Assam. (i) Assam Himalaya
(ii) The Brahmaputra or Assam Valley
(iii) The Meghalaya Hills or Shillong plateau including he Garo,chasi, Jaintia and Mikir- It is a part of peninsular plateau and structurally a granitic block.
(iv) The Eastern Highlands- Young fold mountains running from North to South

THE PLAINS OF NORTHERN INDIA
-Rainfall is the main criterion used for dividing this alluvial plain into regions.
(i) The West Bengal Plain-Rice and Jute producing area.
(ii) The West Bengal duars and the Sikkim, Darjeeling, Himalaya- Wetter than West Bengal Plain, semi-evergreen forest and tea plantation.
(iii) The Ganga Plain Comprising alluvial plain of U.P and Bihar- Decrease in the amount of summer
rainfall in the west.
(iv) The Punjab-Haryana Plain Situated to the west of Yamuna and North of arid and semi-arid Rajasthan desert.- Extensive well irrigation coupled with canal-irrigation in the northern districts.
(v)The Rajasthan desert Situated to the west or Aravalli-Region deficient in rainfall. Entirely different in character from the highly plains of the Ganga and Brahmaputra.


THE INDIAN PLATEAU
Deccan Lava Region
Includes plateau area of Maharashtra and neighbouring states of M.P., A.P. and
Karnataka.- Receives annual rainfall between 50cm and 100cm. Region has Black
soil and produces cotton, jowar and groundnut.
The North Western Plateau and the Aravalli Range.
Situated to the north of Deccan lava region.
- Receives less rainfall during summer than the Deccan lava region and is
relatively cooler in winter.

The Karnataka Plateau
Situated to the south of the Deccan lava region-Relatively cooler in summer than
neighbouring areas due to its high elevation.
Telengana and Rayalseema
Situated to the East of Karnataka state – Receives less rainfall than coastal Andhra
Pradesh.

The North Eastern Plateau
Situated to the east of the Deccan lava region and includes interior part of Orissa,
the Jharkhand Plateau and eastern M.P.-Regions very rich in minerals.

THE COASTAL LOWLANDS
- More productive soils , heavier rainfall and better irrigation facilities than
the Indian Plateau.

Eastern Coastal Region
(i) Coastal Plain of Andhra Pradesh and Orissa in the North.
(ii) Tamil Nadu Region - Receives rainfall during winter also.

Western Coastal Region
(i) Gujarat Region North of Daman
(ii) The Konkani Region between Daman in the north and Goa in the south.-
Largely semi –arid, millet and cotton producing region. Dominated by port and industries of Mumbai.
(iii) Goa and littoral of Karnataka, Kerala. – Plantation and wet crops producing region.

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