Kultureline INTL
on June 13, 2014 412 views

The Richat Structure is also also known as Guelb er Richat or the Eye of the Sahara. It is a prominent circular feature in the Mauritanian Sahara desert near Ouadane, west–central part of Mauritania. Mauritania, like Morocco and Tunisia, is also one of the Sahara desert countries in the Maghreb region of western North Africa . It is officially known as the Islamic Republic of Mauritania. It is neighboring countries are: Algeria, Mali and Senegal. Sahara, in general, occupies about 10 percent of African Continent including: Libya, Mali, Mauritania, Algeria, Chad, Egypt, Morocco, Niger, Sudan and Tunisia, It stretches from 3,500,000 square miles southward to about 17° north of the Equator. It is not just an expanse of sandy area; it has a many more surprises like occasional snowy winters, cisterns, deserts plants, desert natives amongst many others. In A special way, camping in the desert or visiting the Sahara native tribes, undoubtedly is a life time experience.

Desert itself by definition, according to some school of thought, is a peculiar landscape with inadequate precipitation to support vegetation. Some also say it as a region with inadequate precipitation coupled with extreme water-lost or evapotranspiration. Some people on the other hand say it should be simply defined as a part of the earth without sufficient vegetation to cover or support human population. Whichever, one accepts, one thing is certain, desert is part and parcel of the planet earth we live. And it occupies about 33percent of the Earth's land surface.

Deserts, in general terms can be broadly distinguished into: dry or cold deserts. The other acceptable division is according to the amount of rainfall, or classifications in relation to geographical location, dominant weather pattern etc like: trade wind, mid-latitude, monsoon, polar deserts, rain shadow, coastal etc. In terms of rainfall deserts can be categorized into: extreme arid lands, true deserts, semi-deserts or steppes.

Hot deserts usually have a large diurnal and seasonal temperature range, with high daytime and low night-time temperatures. This is on the contrary to the Cold deserts that are usually cold and covered with either ice or snow. Extreme arid land has at least 12 consecutive months without rainfall while True deserts or arid land receives less than 250 millimetres or 10 inches of average annual precipitation. Steepes or semideserts on the other way round, receive a precipitation of about 250 millimetres [10 in] to 500 millimetres [20 in] per annum. Shahara desert, which is one of the largest deserts in the world, is one of the best examples of hot deserts.

The good examples of cold deserts are in: Polar Regions, Himalaya’s area and other high altitude areas of the world. Cold deserts are referred to as tundra in a short season of above-freezing temperatures and ice cap in a temperature consistently below freezing point around year. Some of the geographical features commonly seen in most deserts include: sand dunes, oases, rocky or stony surfaces etc, Sand dunes is called ergs and stony surfaces is also called hamada surfaces.


Note: Like many of desert travels, traveling to the Sahara desert may require advice from an informed guide[s]
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