why atacama is a desert?
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As the winds are forced to rise to cross the Andes, they are cooled (remember it gets colder the higher up you go). Eventually, the moisture in the air condenses and turns to rain, falling on... the 'wrong' side of the Andes! This means that the Atacama lies in a rainshadow.
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Svalbard is cold and a dry arctic desert. Its northern location influences the amount of solar radiation it receives and is the main reason for its low temperatures. The curvature of the Earth means that the solar radiation received nearer the poles must heat a larger area than it would nearer the Equator.
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Polar Deserts: Exploring the Most Arid Regions in the Arctic & Antarctica. ... In fact, there are over 5,000,000 square kilometers of polar desert on Earth. And they're found in just two regions on Earth: the Arctic and Antarctica, and you may just come across one on your polar expedition.
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Due to harsh climate in deserts, only some of the most unusual plants and animals can survive in such regions. Most of them are succulents, which mean that they store water. The great wealth of plant and animal life in desert areas are also an important source of local livelihoods.
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Whales in the desert? ... In Cerro Colorado, located in the Ica Desert of Peru, sedimentary sequences dating back nine million years have been found to host the fossil skeletons of hundreds of marine vertebrates. In 2008, remains of a giant raptorial sperm whale, Livyatan melvillei, were discovered at this site.
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Tundra and deserts both face a scarcity in water. Therefore, the vegetation found in either biome are adapted to live in such water-barren environments. The vegetation of the tundra is also resistant to cold temperatures and winds. Therefore, more vegetation found in the tundra are low to the ground.
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The driest soils, in deserts, have very little organic matter because there is not enough water to support a large or diverse plant community. Desert soils are nutrient poor because of the low organic matter and because the lack of water slows the weathering process that can release nutrients from soil minerals.
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Camels are called ships of the desert because they carry very big loads from one side of the desert to the other. ... Camels walk four kilometers per hour through the hot desert. They can go like this for three weeks without water!
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The desert climate (in the Köppen climate classification BWh and BWk), is a climate in which there is an excess of evaporation over precipitation. The typically bald, rocky, or sandy surfaces in desert climates hold little moisture and evaporate the little rainfall they receive.
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The important ingredients in order to have a desert next to the ocean are to have the following: cold ocean water, lack of traveling mid-latitude cyclones/tropical systems, and a mountain range that blocks moisture from moving in from other regions. ... Some moisture is provided to the air.
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Deserts are hot primarily because of a lack of water. When the sun shines on the ground, all of the absorbed sunlight goes into raising the ground's temperature. ... DESERTS ARE COLD AT NIGHT:Because of the lack of water in the ground, and little water vapor in the air, most deserts can get quite cool at night.
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These Aravalli range are not blocking winds which carry moisture. They are parallel to the direction of cloud movement, so they there is no upliftment of clouds carrying moisture, so there are very little rains in Rajasthan. Thus the deserts are formed.
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Cold deserts are found in the Antarctic, Greenland, Iran, Turkestan, Northern and Western China. They are also known as polar deserts. These deserts are generally found in certain mountainous areas.
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The Sahara is the largest hot desert in the world, and the third largest desert behind Antarctica and the Arctic, which are both cold deserts.
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['Aridity: It is one and common characteristic of all deserts throughout most or all of the year. ... ', 'Extremes of temperature: ... ', 'Humidity: ... ', 'Precipitation: ... ', 'Drought: ... ', 'High wind velocity.', 'Sparsity of cloud cover.', 'Absence of water vapour in air.']
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Camels are called ships of the desert because they carry very big loads from one side of the desert to the other. Dromedary camels can carry over two hundred kilograms on their backs. Camels walk four kilometers per hour through the hot desert. ... Camels do need water, but they save it for long trips.
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Atacama Desert, Spanish Desierto de Atacama, cool, arid region in northern Chile, 600 to 700 miles (1,000 to 1,100 km) long from north to south. Its limits are not exactly determined, but it lies mainly between the south bend of the Loa River and the mountains separating the Salado-Copiapó drainage basins.