DESERTS

A detailed Summary of DESERTS

Approximately a third of the Earth's land surface is made up of some kind of desert with very little rainfall and vegetation. Deserts are very dry and hot, but at some points experience a cold front. Deserts vary in several different ways. Some contain vast areas of sand, rocks or gravel with few plants. Severe winds blow in and out of the deserts transporting valuable mineral deposits, thus leaving behind preserved fossils. Sand dunes are very prominent in deserts and there are several different types depending on the wind patterns. Plant life varies as well.

Winds play a big role in the desert atmosphere. They may be seasonal, sporadic or even daily. They range from gentle breezes to violent gusts at speeds as high as 300 k/hr. Deserts are formed by global circulation patterns. They are usually found close to the north and south poles and the equator. There are deserts not only on the Earth, but also on other planets including mars with a surface of a desert all around.

Deserts come in all different shapes and sizes. They are classified by their location and weather patterns. They are referre

Deserts range in temperature, soil content, precipitation and weather patterns. There are so many different types of deserts that it is hard to classify them easily. Not only are deserts limited to the Earth, but also they appear on mars and parts of other planets. There is some much information that has been found, yet so much more to discover.

d to as trade wind, mid-latitude, rain shadow, coastal, monsoon, or polar deserts.

With strong winds and several different patterns dunes are created on the desert surfaces. The most common dune on the Earth is the transverse or bachan dune. They are generally wider than they are long. They form when winds blow in one direction. Several other types form; straight sand ridges form which are longer than they are wider, known as the linear dune. They can range up to 100 kilometers long. A wind that periodically changes direction creates a reversing dune.

The Coastal Desert, which is found on the western edges of the continent. They are generally by cold ocean currents by the coast. These deserts are less stable than other deserts because winter fogs produce cold curr

Some common words found in the essay are:
Lastly Polar, DESERTS Approximately, North America, Coastal Desert, Mid Latitude, South America, North Africa, found deserts, trade wind, sand dunes, mid latitude, soil found, usually found, surface desert, weather patterns, rain shadow, polar deserts,

Approximate Word count = 762
Approximate Pages = 3 (250 words per page double spaced)

Category: Science

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