Sentences with phrase «sahara regions»

In Sub Sahara regions they have the highest rate of Infant mortality and by 2020 the number of malnourished children will increase under all scenarios, rising as high as 55 million, as hardship and poverty increases.

Lüning and Fritz Vahrenholt recently wrote a post about a new study that examines climate cycles of the Sahara region throughout the Holocene.

Also look at the regional projections (which do have greater uncertainty) and you'll see that seasonally and annually, the Libyan desert and the Sahara region of Africa are going to get hotter, but the increase in temperature there will be dwarfed by the temperature increases around the Arctic Ocean.

Not exact matches

Mali falls under OEF - Trans Sahara, and U.S. forces have already deployed humanitarian aid packages and intelligence, surveillance, and reconnaissance platforms in the region.

Just a bit farther north in Africa, in the Sahel region just south of the Sahara Desert, water is so scarce that discussions about how to use it often lead to political conflicts and, sometimes, violence.

Since the Arabic countries north of the Sahara are linked culturally, economically, and gastronomically more closely with the Mediterranean region than with the rest of Africa, there is little doubt that chiles first appeared in North Africa.

Harmattan winds blow south from the Sahara desert regions into the Gulf of Guinea between the end of November and the middle of March.

In Burkina Faso the United States Military base acts as a hub of a U.S spying network in the region, with spy planes departing from their base to fly over Mali, Mauritania and the Sahara, where they search for fighters from al - Qaeda in the Islamic Maghreb

The Tindouf region, which borders Western Sahara, is home to refugee camps and serves as a base for the Polisario Front.

Rains no longer reached the Sahel region, a band that spans the African continent just below the Sahara desert.

The Sahel is a semiarid region with grasslands and scattered trees sandwiched between the Sahara Desert to the north and tropical savannas to the south.

Following the devastating droughts in the 70s and 80s in the Sahel region south of the Sahara desert, vegetation has now recovered.

In several groups of people, a gene variant allowing the lactase, the enzyme breaking down the sugar in milk, to persist into adulthood became common about 5000 to 7000 years ago, when humans were herding cattle — as evidenced by this rock painting of domestic cattle in the Jebel Acacus region of the Sahara desert in Libya.

Israel is subjected to sand and dust storms from several directions: northeast from the Sahara, northwest from Saudi Arabia and southwest from the desert regions of Syria.

Three ancient river systems, now buried, may have created viable routes for human migration across the Sahara to the Mediterranean region about 100,000 years ago, according to research published September 11 in the open access journal PLOS ONE by Tom Coulthard from the University of Hull, UK, and colleagues from other institutions.

What is now the Sahara Desert was the home to hunter - gatherers who made their living off the animals and plants that lived in the region's savannahs and wooded grasslands 5,000 to 11,000 years ago.

Although other research had already identified the existence of the Green Sahara period, Tierney and her colleagues are the first to compile a continuous record of the region's rainfall going 25,000 years into the past.

«Between 10,500 and around 5,550 years ago, it was a good place to live,» says Stefan Kröpelin, a geoarchaeologist at the University of Cologne in Germany, who has spent the last 30 years leading excavations in the eastern Sahara, a region that until recently has been largely unexplored.

The Sahel region of Africa — a strip across the southern edge of the Sahara from the Atlantic Ocean to the Red Sea — is a semi-arid landscape between the desert to the north and the savannah to the south.

The Sahara expands as the Sahel retreats, disrupting the region's fragile grassland ecosystems and human societies.

Most people don't realize that phosphorus, which mainly comes from phosphate rock, is a limited resource that is primarily concentrated in geopolitically unstable regions including Morocco and the Western Sahara.

In 2006, researchers used radiocarbon - dated material from 150 archaeological sites in the eastern Sahara to map a change in settlement patterns that coincided with increased desertification of the region.

This gradual shift in the Sahara's overall climate contradicts a common theory that the region dried rapidly over a few hundred years, and provides clues about a potential re-greening triggered by global warming, Kröpelin says.

The vast desert regions of the Sahara and the Arabian Peninsula contain numerous archaeological sites, indicating that Pleistocene hominins penetrated these areas, living in more favourable habitats [1], [2].

Flashback 2009: Scientists are now seeing signals that the Sahara desert and surrounding regions are greening due to increasing rainfall.

Most likely, the dust had come from the Sahara, a vast desert that covers most of that region.

Earlier studies have suggested that a weak circulation of the AMOC could lead to worse dryness in the Sahel in Africa, which could increase drought in this African region bordering the Sahara Desert.

Tierney and her colleagues found that around 70,000 years ago, climate in the Horn of Africa shifted from a wet phase called «Green Sahara» to even drier than the region is now.

Some regions are covered in vast sand dunes, reminiscent of deserts like the Sahara on Earth, only much colder.

Discrete foci of infection on the edge of the Sahara are genetically highly connected to the wider continental parasite population, and local elimination would be difficult to achieve without very substantial reduction in malaria throughout the region.

We had been acutely aware of the potential for great surf in the «desert regions» outside of Agadir for many years, having been fortunate to guide many of the world's elite surfers into The Sahara on film and photo shoots.

The exhibition features a selection of ancient Egyptian and Nubian artworks in wood, stone and papyrus, and 19th - and 20th - century masks, figures and ritual objects made by artists from regions south of the Sahara.

Although its primary emphasis is on the arts of regions south of the Sahara Desert, the department has recently expanded to include North African and contemporary African works.

Rising greenhouse gases caused rains to return to the region south of the Sahara, from Senegal to Sudan, boosting crop yields since the 1990s and helping the population to feed itself without relying on foreign donations.

The Sahel, one of the hottest regions on Earth ranging from the Atlantic coast south of the Sahara Desert to the Red Sea to the east and the Horn of Africa to the southeast, is getting drier and drier and... Continue reading →

In places where many factors balanced one another, for example the Sahel region between the Sahara desert and the African rain - forest, one model might predict a benign increase of rainfall and another, terrible droughts.

Earlier studies have suggested that a weak circulation of the AMOC could lead to worse dryness in the Sahel in Africa, which could increase drought in this African region bordering the Sahara Desert.

While the Amazon dries out parts of the eastern Sahara and eastern Sahel regions might actually see an increase in precipitation, due to northward meanders of the ITCZ over that region.

Some regions have few temperature measurement stations (e.g., the Sahara Desert) and interpolation must be made over large, data - sparse regions.

«In addition to being extremely dry, the Sahara is also one of the hottest regions in the world.

But their attention was quickly drawn to trends of decreasing precipitation in the Sahel, a semiarid region linking the Sahara to the savannas of Sudan.

On the other hand, everywhere that the humidity is low, i.e. desert regions — Phoenix Arizona, the Sahara Desert, the Australian out - back, Las Vegas Nevada — the sparse life that does exist struggles to survive.

The sparse precipitation in these regions, a result of stability and subsidence, is associated with such great arid regions of the world as the Sahara, Atacama, Kalahari, and Sonoran deserts.

In the Sahel region the Sahara desert is encroaching and the increased risk of drought is compounding existing patterns of water scarcity.

In the vast east - to - west swath of semiarid Africa between the Sahara Desert and the forested regions to the south lies the Sahel, a region where farming and herding overlap.

How have the Sahara and its neighboring regions changed over the recent years?

Second, the air of the polar regions is dry, so dry that they are deserts as much as the Sahara is.

Considering the region of Sahara and studying wind and pressure patterns there, we can come to one of the two conclusions: either u ∇ p = 0, which would yield support to the statement that ciculation in Sahara is driven by condensation elsewhere.

If this occurrence persists, the African region bordering the Sahara Desert could experience severe dryness.

At the same time, the Sahara and present similar regions Worldwide, might well become highly productive replacements.