Deserts are defined as barren areas that receive less than 250 mm (10 inches) of annual precipitation. Deserts have extreme climatic conditions either hot or cold. They can be found anywhere in the world where there is little water. In this article, we will further explore where are deserts located, factors affecting location of deserts, where are the largest and smallest deserts located and more.
Deserts can be found all over the world from tropical regions to the backside of the mountains on every continent. They cover more than one-fifth of the Earth’s land area. They are often found on the western edge of the continent due to the cold ocean currents which run along the coast. The cold ocean currents make it harder to hold moisture. Most of the desert regions of the earth are undergoing periods of climate change. The regions that are deserts today were not always very dry.
The major factors which affect the location of deserts around the world are:
The largest desert in the world is the Antarctic Desert located in the Southern Hemisphere in the continent of Antarctica. The desert covers an area of 14.2 million square kilometers (5.5 million square miles). The ice that covers the cold desert is on average 2.45 kilometers (1.5 miles) thick. The Antarctic desert is the coldest desert on the Earth with almost no vegetation and the animals are mostly carnivores such as penguins, albatrosses, seals and whales.
The smallest desert globally, Carcross Desert, is situated in Yukon region of Canada. Covering an area of about 1 square mile or 640 acres, this tiny desert stands out not only due to its size but also for its striking contrast against the lush greenery that surrounds it.
Berkeley’s Biomes group divides the major deserts of the world into four main categories based on where they are located geographically.
Most of these deserts are located close to the Tropic of Cancer and Capricorn, between 15 and 30 degrees north or south of the equator. The temperature in these deserts remains warm and dry all year round.
Major Hot Deserts and Their Locations
Comparatively cooler than hot deserts, semi-arid deserts experience long and dry summers followed by winters with some light rain. These deserts are located in North America, Greenland, Europe, and Asia.
Major Semiarid Deserts and Their Locations
These types of deserts are comparatively more humid than other types of deserts. The summers are moderately warm and long followed by cool winters. Heavy fogs blow in from the coast in these types of deserts but rainfall is rare.
Major Coastal Deserts and Their Locations
Regions with cold winters and snowfall characterize these desert areas. These regions experience short, moist, and moderately warm winters along with fairly long, cold winters. Cold deserts exist in the Antarctic (South Pole), Greenland, and parts of North America.
Major Cold Deserts and Their Locations
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