The name "tropical desert" tells us that this natural area lies in the same climatic zone.On our planet, almost all desert areas are located precisely in the tropics, but, unlike the paradises on the shores of the sea, the weather conditions are much more severe and is not suitable for life.Well, look at what characterizes such tropical deserts, where they can find and which ones are the most famous.
The tropics are characterized by desert areas?
Relief and origin of each of the known deserts are very different.Somewhere in these natural areas based on plateaus, in other places they are surrounded by cliffs and lofty plateau, sometimes found on the desert shores of the ocean, that is, in the lowlands.But it unites all the tropical climate of the desert it.The first characteristic - sharp daily fluctuations in temperature.During the day most of these natural areas thermometer can transship the mark of 50, and at night the air cools down to a 10. The second characteristic - is the difference between winter and summer.In such areas, it is insignificant, but the more remote desert is from the equator, the more extended range of annual temperature fluctuations.Well, the third common feature - it's the wind.Some regions of the world have become completely exhausted not because that was barren land.Just atmospheric flows are arranged so that there are no deserts over the clouds - they are always accelerates the wind.This increases the percentage of solar radiation and thus all life extinct.
sands of the Middle East
largest desert in the world is the Sahara.It took all of North Africa and the small isthmus smoothly into the Arabian desert.Both natural areas are very similar to each other on the landscape, on the origin and climate.Also, they form a distinct climatic zone on the surface of the Earth.Numerous tropical desert, the name of which is given only the locals are part of this natural area.Here is dominated by yellow sands, which are collected in a single dune, or in huge ranges of dunes stretching for kilometers.It is in this Afro-Asian geographical area there are very high temperature jumps.In the afternoon the thermometer does not fall below 45, and reaches a maximum of 58. Therefore, in the sands of the Sahara and Arabia only live insects and reptiles that crawl on the surface only at night.
smallest continent
Desert tropical belt also focused on Australian soil.Locals also they are divided into multiple "sovereign" territory, but their landscapes are very similar to each other.The climatic conditions here are not as harsh as in Asia.Daytime temperatures in the range of 30 degrees, and at night does not drop below 15. Rainfall, which falls in the year - up to 300 mm (for the desert that much).Australian sandy plains are characterized by their red soil.Local sands are purple hue, which is amplified in the glow of sunset.
Mysterious Valley Chile
the west of South America, perhaps, meet the most extraordinary tropical deserts.Photography of masterpiece nature presented in the article, and they did not like the pictures of sugar or some other natural zone.Here starring act not sand, and the valley, which is surrounded by cliffs.The Atacama Desert (as it is called), no precipitation for 400 years.All the moisture, which is content with the local land - it fogs that occur only in the summer.
Other
sandy area in Southern Africa can be found as desert areas.This Kalahari and Namibia.The landscape and the origin of this natural area can be compared with sugar.In North America, as well as in Mexico are narrow desert that stretch from North to South.They also can compare the landscape of the Atacama.There's little sand, but lots of different other species that create incredible beauty.
