The biggest desert of Africa

The undisputed Queen of deserts in Africa is Sahara. It is located in the Northern part of Africa and extends for 8.6 million sq km, which is comparable to the area of the United States. And this, the greatest desert of Africa and the world at large, can hardly be called sand, but rather sandy.

Probably, many many years ago, the climate in the desert was not so now. When he was quite wet, and this area was a lush garden with blue lakes, but of different atmospheric phenomena led to a change in climatic conditions. According to scientists, the largest desert of Africa at least three million years.

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Extending a thousand and six hundred miles wide and five thousand miles long, the desert divides Africa into two parts – North and sub-Saharan. It originates off the coast of the red sea, partly absorbs the Mediterranean coast, and is adjacent to the waters of the Atlantic ocean. The edge of the Sahara approximate, for several hundred years they have undergone significant metamorphosis.

The Climate Of The Sahara

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The climate of the largest desert of Africa can be described in a word – extraorally, that is tropical, dry and hot, in the Northern part of the desert, the climate is closer to subtropical. It is mostly the realm of the Passat that came from the East.

The mountain range Atlas has a significant impact on the climate. It was he, stretches from the East to the West, impedes the flow of moist air which comes from the Mediterranean sea.

On the South side to the desert fly in the wet wind. To fight the power of the wilderness for them, and closer to the Central part they are exhausted. Relative humidity – 30-50%, a high rate of evaporation – 2500-6000 mm are the main characteristics of the desert climate.

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You might be surprised, but in the Sahara desert are rain. In the Northern part of the Sahara they fall mainly in winter and South in summer. But it is worth noting that the quantity of evaporated liquid is seventy times higher than the rainfall. When it rains the desert becomes alive – in the dry riverbeds appears turbulent flow, in the mountains there are floods. In the desert there are numerous streams, rivers and lakes.

More surprise may cause the fact that in the desert, on mountaintops, Akagera and Tibesti periodically snow falls. And this is despite the fact that the temperature here can rise up to 60 °C, and the surface of the desert is heated to 90 °C.

For July, the typical temperature of 37 °C, in January is 25 °C. Winter nights in the Sahara desert quite low temperatures, frequent frosts. In some regions you can see a thermometer frozen at around -18 °C.

Sandstorms

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Sand storms and wind have tremendous power. Wind blowing at a speed of 30 m/s is considered a hurricane. A breath of wind at the speed of fifty meters per second, capable not only of moving the stones, but also to bear the caravan.

After the violence of the elements, there is a «dry fog» — thousands of grains of sand up into the air and veiled the sun. In this sandy haze it is easy to lose orientation both people and animals. There is a legend about how the gazelles, which are distinguished by their timid nature, during this fog was in the caravan — between humans and camels.

Flora

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Flora in the great deserts of Africa are extremely poor, but still it is there. The vegetation belongs to the Holarctic floristic region. Basically, here is home to Mediterranean plants. In the middle of the Sahara, where rasologiya highlands Tibesti and Ahaggar, it is possible to find the relative diversity of the plant world. Here grow such plants as the willow leaf ficus and a fern Venus hair. On a plateau known as Cassini-Adger, there are relic plants, some representatives of the Mediterranean cypress.

Also during the tour you can meet perennial xerophytes, acacia, stunted xerophytic shrubs, jujube. In parts of the Sahara, located near the Atlantic grow cactus spurges, Goji, and date palm. Vegetation is quite rare, often non-existent.

Fauna

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View Sahara best represents the one-humped camel. Here live predators such as striped Jackal, miniature Fox, the Egyptian mongoose. Frequent lizards feel at ease some sort of serpent. Many have probably heard names such as sand Viper, horned Viper. Mostly, of course, there live rodents and reptiles. Animals living here are nocturnal.

Relief

The Sahara desert — a collective name to include not alone the desert, each of which is combined with another single space and the climatic zone. On the territory of the great desert of Africa lies the everlasting mountains, the twelve-kilometer-long crater of the volcano, plains, and lush oases.

Basically your form of Sugar, is an extensive plateau, the surface of which is quite diverse. Sand dunes, interspersed with rocky surfaces – that’s the face of the Queen of deserts.

Mirages

A traveler will venture to explore the Sahara. Who has not heard of the mirages that arise during the way. Moreover, many of them occur every time in the same place. Did you know that there is a map of mirages? Having considered it, you’ll know exactly where to expect the emergence of a non-existent wells, oases, etc.

However, it is unlikely you were able to see a more colorful spectacle than the sunset. With entertainment this time can compete the Aurora. Before the onset of absolute darkness, you will find a wonderful play of light – blood red, pale blue, pink and pearl shades blocking out the horizon, presenting to our astonished gaze bizarre shapes and combinations.

A trip to the desert

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Now to the Sahara to get quite easy enough to be in Algeria and on a good road to drive to the desert. The trip will last for one day, after which you will be able to be in a surprising place – the largest desert of Africa and the world.

Tourist tour will take you not one day, Wake the dawn, you will give guides-Berbers. The best time for walking in the desert — an early, cool morning.

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