8/14/2014 KALYAN SIR: DESERTS

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DESERTS

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WORLD DESERTS:

ü A desert is an area that receives low amount of precipitation.

ü A desert is defined as an area with an average annual precipitation of less than

250 millimetres per year.

ü A desert supports very less for the growth of the plants.

ü These are the areas where more water is lost through evaporation and transpiration.

ü Deserts on the earth occupy about 20% of the surface.

ü Desert is composed of sand and rocky surfaces.

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ANTARCTICA DESERT:

ü This is located in the Antarctica region.

ü The coldest natural temperature ever recorded on Earth was −89.2 °C/−128.6 °F at

the Russian Vostok Station in Antarctica on 21 July 1983.

ü Antarctica is a frozen desert with less precipitation.

ü This is the largest cold desert on the earth surface.

SAHARA DESERT:

ü This is the largest hot desert.

ü This is present in African continent.

ü It cuts across 12 countries.

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ü This stretches from Red sea in the East to Atlantic Ocean on the West.

ü The Atlas Mountains and the Mediterranean Sea on the North.

ü Sudan and the river Niger on the South.

ü The highest peak in the Sahara is Emi Koussi (11,204 ft) in the Tibesti

Mountains in northern Chad.

ü Arabic is the most widely spoken language in Sahara.

ARABIAN DESERT:

ü This is the largest desert in Asian region.

ü It stretches from Yemen to Persian gulf and Oman to Jordan and Iraq. (Please look atthe map).

ü This desert covers eight countries in this region.

KALAHARI DESERT:

ü This is present in the south of the African continent.

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ü It is covered in three countries. Namibia, Botswana and South Africa.

ü Kalahari Desert occupies most of the area in Botswana.

GOBI DESERT:

ü This is located in Mongolia.

ü It also covers north and northwest parts of China.

ü This desert is bounded by Steppes and Altai Mountains of Mongolia in the North.

ü The Gobi Desert is an important location along Silk Road.

TAKLAMAKAN DESERT:

ü This is located in China.

ü This is bounded by Kunlun Mountains in the south.

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ü This is bounded by Pamir Mountains in the west.

ü Bounded by Tian Shan (Mount Imeon) in the North.

ATACAMA DESERT:

ü This is located in South America.

ü This is present on the west of Andes Mountains.

ü This is the driest desert in the World.

ü This desert covers Chile, Peru, Bolivia and Argentina.

PETAGONIAN DESERT:

ü This is located in South America.

ü This is the largest desert in South America.

ü This is primarily located in Argentina.

ü Small parts of this desert extended into Chile.

ü This desert is bounded by Andes towards west.

ü Towards East it is bounded by Atlantic Ocean.

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THAR DESERT:

ü This is also known as Great Indian Desert.

ü This is present in the boundaries of India and Pakistan.

ü It is the World’s ninth largest subtropical desert.

ü It is present mostly in Rajasthan.

ü Some parts are extended into Gujarat, Haryana and Punjab.

ü It is surrounded by Aravalli range on the East.

ü It is bounded by Rann of Kutch on the South.

ü It is bounded by Indus River on the West and by large thorny steppe on the North.

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8/14/2014 KALYAN SIR: DESERTS

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