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The Sahara pump theory ( describing an occasionally passable " wet " Sahara Desert ) provides one possible explanation of the early variation in the genus Homo.
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Sahara and pump
* Sahara pump theory
D-O Events tend to be what drives the " Sahara pump " which has had an effect upon human evolution and dispersal.
* Sahara pump theory
Sahara and theory
That after all is what the theory says ; to say that different deserts, the Sahara, the Atacama, and the Gobi are all dry places, is just to say that exactly the same being, the universal dryness, occurs at each place.
Sahara and describing
The Arabic word sāḥil literally means " shore, coast ", describing the appearance of the vegetation of the Sahel as a coastline delimiting the sand of the Sahara.
Hauser rests in bed describing visions he has had of nomadic Berbers in the Sahara Desert, and then dies.
* Unknown Sahara ( Ismeretlen Szahara ) by László Almásy ( Budapest, 1934 ) describing his expeditions in search of Zerzura.
Sahara and wet
Blench ( 2010 ) believes that the distribution of Nilo-Saharan reflects the waterways of the wet Sahara 12, 000 years ago, and that the protolanguage had noun classifiers, which today are reflected in a diverse range of prefixes, suffixes, and number marking.
It breeds in Africa south of the Sahara, in wet and arid habitats, often near human habitation, especially waste tips.
On the Saharan southern edge of the Maghreb are small communities of black populations, sometimes called Haratine, who are apparently descended from black populations who inhabited the Sahara during its last wet period and then migrated north.
During the wet season, herds migrated north into the Sahara Desert.
* The Sahara and Sahel in Africa could change dramatically, becoming either far more dry or far more wet, as ocean temperature and vegetation-climate feedbacks change within a decade or so.
The prevailing winds are the SW Monsoon during the wet season and the northeastern Harmattan which is a dust laden wind from the Sahara Desert during the dry season.
Sahara and Desert
No meteorites have ever been recovered from paleoexplosion craters, and recent craters containing impact glass have all been produced by metallic meteorites with the exception of Aouelloul crater, Adrar, Western Sahara Desert.
Berber languages are spoken in Morocco, Algeria, Libya and across the rest of North Africa and the Sahara Desert by about 25 to 35 million people.
It lies between the Sahara Desert and the Gulf of Guinea, south of the loop of the Niger River.
Recent linguistic research suggests that all of Africa's major language groupings south of the Sahara Desert ( except Khoisan, which is not considered a valid genetic grouping anyway ), i. e. the Afro-Asiatic, Nilo-Saharan and Niger – Congo phyla, originated in prehistoric times in a narrow band between Lake Chad and the Nile Valley.
N ' Djamena, the capital, is located more than 1, 100 kilometers northeast of the Atlantic Ocean ; Abéché, a major city in the east, lies 2, 650 kilometers from the Red Sea ; and Faya-Largeau, a much smaller but strategically important center in the north, is in the middle of the Sahara Desert, 1, 550 kilometers from the Mediterranean Sea.
The summit of this formation — as well as the highest point in the Sahara Desert — is Emi Koussi, a dormant volcano that reaches 3, 414 meters above sea level.
The seventh largest lake in the world ( and the fourth largest in Africa ), Lake Chad is located in the sahelian zone, a region just south of the Sahara Desert.
Later, various sultanates claimed present-day CAR, using the entire Oubangui region as a source of slave, from which slaves were traded north across the Sahara Desert.
Several languages in the vicinity of the Sahara Desert, including Arabic, lack.
The earliest known discussion of the topic arose soon after the French colonization of West Africa, when the Comité d ' Etudes commissioned a study on desséchement progressif to explore the prehistoric expansion of the Sahara Desert.
The latter was found in the Sahara Desert.
* 1979 – Snow falls in the Sahara Desert in southern Algeria for the only time in recorded history.
A sandstorm known as the Calima ( similar to the Scirocco wind that blows North from the Sahara into Europe ) blows southwestward from the Sahara Desert and can cause high temperatures, low visibility and drying air.
The line the British chose to defend stretched between the sea and the Qattara Depression, which meant that Rommel could outflank it only by taking a significant detour to the south and crossing the Sahara Desert.
To the south, in what is now the Sahara Desert, nomadic hunters and herders roamed a large, well-watered savanna that was abundant in game and provided pastures for their livestock.
By this stage the explorers had passed the southern boundary of the desert, and from then on Henry had one of his wishes fulfilled: the Portuguese had circumvented the Muslim land-based trade routes across the western Sahara Desert, and slaves and gold began arriving in Portugal.
An explosion midflight over the Sahara Desert in Niger caused the aircraft to break up, killing all 156 passengers and 15 crew members, including the U. S. Ambassador to Chad Robert Pugh.
' Many live in less-productive, problem-prone areas, some of which have been so seriously degraded within the last generation that they resemble lands on the edge of the Sahara Desert.
The Mediterranean coast and the Sahara Desert are the country's most prominent natural features.
Still farther south a pastoral zone of sparse grassland gives way to the vast Sahara Desert, a barren wasteland of rocky plateaus and sand.
From Jabal al Akhdar, Cyrenaica extends southward across a barren grazing belt that gives way to the Sahara Desert, which extends still farther southwest across the Chadian frontier.
All of the empires arose in the area then known as the western Sudan, a vast region of savanna between the Sahara Desert to the north and the tropical rain forests along the Guinean coast to the south.
Sahara and one
Libya also was one of the main supporters of the Polisario Front in the former Spanish Sahara – a nationalist group dedicated to ending Spanish colonialism in the region.
* Libya was also was one the main supporters of the Polisario Front in the former Spanish Sahara – a nationalist group dedicated to ending Spanish colonialism in the region, and from 1975, to combatting the Moroccan occupation of what is now known as Western Sahara.
Through the agreement with Mauritania, Morocco sought to tighten its control over the Western Sahara by denying the Polisario one more avenue for infiltrating guerrillas into the disputed territory.
The Sahara desert ecoregion, as defined by the World Wide Fund for Nature ( WWF ), includes the hyper-arid center of the Sahara, between 18 ° and 30 ° N. It is one of several desert and xeric shrubland ecoregions that cover the northern portion of the African continent.
The Sahara desert is one of the hottest regions of the world, with a mean temperature over 30 ° C ( 86 ° F ).
The Sahara was one of the first regions of Africa to be farmed.
Only one area of conservation is recorded in the Sahara: the Zellaf Nature Reserve in Libya.
Sudan is one of the states that recognise Moroccan sovereignty over Western Sahara.
From the 11th to the 19th centuries, Western Sahara was one of the links between Sub-Sahara and North Africa regions.
On more than one occasion, the Berber tribes of the Western Sahara would unite behind religious leaders to sweep the ruling leaders from power, sometimes founding dynasties of their own.
His introduction included a Charlie and the Chocolate Factory opening, that has been called by many one of the most memorable Sahara performances ever.
It is one of the largest cities in the Sahara.
In particular the corrugated Citroën H Van style " ripple bonnet " of convex swages was replaced ( except for the Sahara ), with one using six larger concave swages and looked similar until the end of production.
In Tuareg terms, the Sahara is not one desert but many, so they call it Tinariwen (" the Deserts ").
Sandwich is home to the Sahara Pak Company, which is credited for creating one of the first hot-air hand dryers.
As one reviewer noted: " in the world of Fruits Basket, good parents are as common as penguins in the Sahara — every single one is either neglectful, smothering, unfeeling, abusive, misguided, or dead.
Nestled in a deep valley, the populated regions of Skjåk are rain shadowed and as a result are actually one of the most arid places in Europe with less annual precipitation than parts of the Sahara desert ( although far cooler temperatures allow far lesser potential evapotranspiration than is characteristic of warmer climates.
It breeds in a stick nest in trees ( often palms ) in much of Africa south of the Sahara, laying one egg.
Some cross-linguistic redundancies, especially in placenames, occur because a word in one language became the title of a place in another ( e. g., the Sahara Desert —" Sahara " is an English approximation of the word for " deserts " in Arabic ).
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