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The regular definition of a desert can be a place that receives under 10 inches of rain per year. The Köppen climate classification system, and that is traditionally used to categorize different types of climate, recognises 2 types of desert. A "BWh" or hot desert or "BWk" temperate desert. Lots of people, whenever they think of a desert, imagine searing heat, cactus and sand dunes when, in reality, frozen Antarctica is a type of desert.
Temperature
Although temperature alone won't create a desert, it's worth noting the number in temperatures from your hot desert into a temperate desert. Temperatures in the Sahara Desert can reach 136 degrees in the daytime and drop to below freezing at night. Contrast this with Antarctica which ranges from minus 4 degrees to minus 94 on the duration of 12 months. Using maximum temperature through the Sahara region as well as the minimum from Antarctica, desert temperatures can range over 230 degrees determined by the location where the desert is situated.
Rainfall
In order for a place for being classified as desert it must receive a lot less than 10 inches of rainfall 1 year. Death Valley within the Mojave Desert receives under two inches of rain annually, making it a normal example of a hot desert. The American McMurdo Station in Antarctica records the normal eight inches of rain annually, making its location on Ross Island a sort of desert. The rainfall figures for Antarctica use the "water equivalent" in the snow it receives.
Evaporation
Much of why is a desert would be the evaporation rate, that's consequently attached to temperature. A place which loses a substantial volume of its rainfall to evaporation is classified as desert. Antarctica will not lose any kind of its rainfall to evaporation due to its consistently low temperatures, and for that reason might be more accurately termed tundra.
Rain-Shadow
Some deserts are formed because of their location near mountains. Clouds carried with the prevailing wind will deposit nearly all of their moisture on the one hand of the mountain range, leaving the opposite barren and forming a desert. Among this kind of desert may be the Mojave Desert inside "shadow" in the Sierra Nevada range.
Desertification
Desertification is the process during which otherwise fertile land is changed into a desert-like region on account of deforestation or other man-made abuse. The removal of trees or groundwater can bring about the top soil being blown away, preventing trees returning. These areas are rare and never fall under the more common specification of a desert considering that the climate from the area is unaffected.
