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How is an Oasis formed?

An oasis is a unique geographical formation gives showers of relief to the deserts and arid regions. It is a fertile tract in a desert where the water table approaches the surface. In this article, we have discussed about the formation and benefits of the oasis, and given name of famous Oasis in the world along with their location which strengthen the knowledge of aspirants who are preparing for the examinations like UPSC, State Services, IBPS, SBI, SCC, and Railways.
Apr 17, 2019 14:51 IST
    How is an Oasis formed?

    An Oasis is a fertile tract in a desert where the water table approaches the surface. It is found every part on the globe but more relevant in the arid land with little or no vegetation. Its unique geographical formation gives showers of relief to the deserts and arid regions. Dates, cotton, olives, figs, citrus fruits, wheat and corn (maize) are common oasis crops.

    Formation of Oasis

    Oasis can formed naturally or man-made. But here, we will talk about the natural process of Oasis formation.

    Geographically, it is formed due to the faulting and climatic condition which creates depression in arid region. This depression expanding and enlarged by the extreme weather condition in the arid region then the underground aquifer or river that creates enough pressure for water to seep to the surface. Surface rivers, rainstorms etc. are factors which would help in the formation of the oasis.

    It is also created artificially by digging or drilling for a water source underground.

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    Benefits of the Oasis

    Oasis plays important role in the survival of life in the desert as well as other harsh and dry climates around the world. The benefits of the oasis are given below:

    1. It provides water for irrigation and drinking purposes.

    2. It is the only place in the desert and arid region to grow crops.

    3. The unique formation of oasis attracts the tourist.

    4. It will help in the survival of trading community who travel for long distance in the desert for trading.

    5. Nomadic people of the desert take shelter nearby the oasis because they get food and water for survival.

    6. It helps in the water preservation and conservation in the desert and arid region.

    7. It helps to retain water in the ground, so that the trees, shrubs and other flora can thrive in the environment.

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    Famous Oasis in the world

    Oases are found in desert or arid regions of the Arabian Peninsula, the Sahara Desert and many other desert regions of the world.

    1. Agua Caliente

    Location: Tucson, Arizona

    2. Oasis on a Ranch in Red Rock Canyon

    Location: Las Vegas, USA

    3. Sonoran Desert Oasis

    Location: United States and Mexico

    4. Oasis Ein Gedi

    Location: Israel

    5. Abraham’s Oasis

    Location: Syria

    6. Crescent Lake

    Location: Gobi Desert, China

    7. Timia Oasis

    Location: Niger

    8. Umm al-Maa

    Location: Libya

    9. Huacachina

    Location: Peru, America

    10. Ziz Oasis

    Location: Sahara Desert, Morocco

    11. Ubari Oasis

    Location:

    12. Al Hasa Oasis

    Location: Hofuf, Al-Ahsa Governorate, Saudi Arabia

    13. Chebika Oasis

    Location: Tunisia

    14. Oasis Turpan

    Location: Xinjiang, China

    Hence, we can say that oasis’s are the life line of the desert or semi-desert region because it combined the human settlement and a cultivated area in a desert or semi-desert environment.

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