Sentences with phrase «green sahara»

National Geographic ran a story about the expedition called The Green Sahara, and there you'll find the same photos and a few that aren't on the Boston.com site.

At the 28:00 mark archeologists studying human remains dated the green Sahara downfall at 3500 BC.

What caused the «green Sahara»?

As expected, the authors were able to show the warm - wet phases of the «green Sahara» in their sediment cores.

Near the end of the green Sahara periods, the intertropical Convergence Zone moved southwards and summer monsoons weakened.

«The increase in rainfall, which was probably caused by rising temperatures, and rising CO2 concentrations, might even - if sustained for a few more decades - green the Sahara.

Indeed, Claussen is not alone in dismissing a green Sahara.

It is wild speculation to assert that any recovery in the Sahel is a result of global warming and to dangle the prospect of a future green Sahara is the exact opposite of the message provided by Mueller's reference on the matter.

«We think it was dry when people left Africa and went on to other parts of the world, and that the transition from a Green Sahara to dry was a motivating force for people to leave.»

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.

Other climate records point to a sometimes - green Sahara around this time, and Osborne thinks that seasonal monsoons could have supported a patchwork of life - saving oases across the desert.

The team's paper «Rainfall regimes of the Green Sahara,» is scheduled for publication in the journal Science Advances on Jan. 18.

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.

Toward the end of the Green Sahara, the Northern Hemisphere was farther from the sun and the West African monsoon was weaker.

Archaeological evidence shows humans occupied much of the Sahara during the wet period, but left for about a thousand years around 8,000 years ago — the middle of the Green Sahara period.

At the beginning of the Green Sahara, the Northern Hemisphere was closer to the sun during summer.

Rainfall patterns in the Sahara during the 6,000 - year «Green Sahara» period have been pinpointed by analyzing marine sediments, according to new research.

«Green Sahara's ancient rainfall regime revealed.»

The team also wanted to know whether the conditions on land interacted with the atmosphere to affect climate, because most of the current climate models don't simulate the Green Sahara period well, she said.

I don't recall the election where everyone on the planet elected you to decide whether the possible benefit of a possibly greener Sahara was worth the probable cost of the probable droughts and floods, extreme snows and shifting weather patterns where they happen to live.

Not exact matches

Dan Orlich, former Green Bay Packer end from Reno, Nev., set a world record in trap - shooting by dropping 399 of 400 targets to take all - round championship of the Sahara Gun Club's fall tournament at Las Vegas.

Co-owner and managing director: Vijay Mallya Co-owner and chairman: Subrata Roy Sahara Deputy team principal: Bob Fernley Chief operating officer: Otmar Szafnauer Technical director: Andrew Green Sporting director: Andy Stevenson Chief race engineer: Tom McCullough

Earlier studies on the sensitivity of tropical cyclones to past climates have only analyzed the effect of changes in the solar radiation from orbital forcing on the formation of tropical cyclones, without considering the feedbacks associated to the consequent greening of the Sahara.

The greening of Sahara strengthens the West African Monsoon, which triggers a change in the atmospheric circulation over the entire tropics, affecting tropical cyclone activity.

In a recent study, researchers at the Department of Meteorology at Stockholm University have found that tropical cyclone activity may have increased during past warm climates in connection with a greening of the Sahara.

«Our results show that a greening of the Sahara with reduced dust loadings lead to more favorable conditions for tropical cyclone development,» says Francesco S.R. Pausata, researcher at the Department of Meteorology, Stockholm University.

Schemes like the Sahara Forest Project would help green the planet (Image: Manufacturing Reborn / Sahara Forest Project)

For more than a century, a few scientists have occasionally daydreamed of transforming much of the Sahara desert green, with a lush inland sea or vast tracts of farmland.

A storm in Africa's Sahara Desert brought a sandy fertilizer to the Atlantic Ocean on April 8, triggering plankton blooms that show up as blue - green swirls in this photo from the European Space Agency's Envisat satellite.

The initial greening of the Sahara occurred about 10,500 years ago and it stayed lush for several millennia.

New research investigating the transition of the Sahara from a lush, green landscape 10,000 years ago to the arid conditions found today, suggests that humans may have played an active role in its desertification.

The Great Green Wall for the Sahara and the Sahel could play a decisive role in the future of the African continent.

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

and the examples that he thinks have the potential to be large scale tipping elements are: Arctic sea - ice, a reorganisation of the Atlantic thermohaline circulation, melt of the Greenland or West Antarctic Ice Sheets, dieback of the Amazon rainforest, a greening of the Sahara, Indian summer monsoon collapse, boreal forest dieback and ocean methane hydrates.

Two key projects spearheaded by the UNCCD / GM in addressing desertification: the Land Degradation Neutrality (LDN) Fund; and the Great Green Wall for the Sahara and the Sahel Initiative (GGWSSI), were discussed during the meeting on the implementation of the Paris Agreement on Climate Change held between the Minister of Ecology, Sustainable Development and Energy of France and President of COP21, Ségolène Royal, Christiana Figueres, Executive Secretary of the UN Framework Convention on Climate Change (UNFCCC) and Monique Barbut, Executive Secretary of the United Nations Convention to Combat Desertification (UNCCD), held in Bonn on 22 February 2016.

The new Black Bear Edition adds content to the Sport S model, including off - road rock rails; and the Sahara gets some appearance updates, including new wheels, a body - color bumper applique and an Olive Green interior.

The Wrangler Sahara trim gains some aesthetic updates and a new Olive Green interior option.

Jeep Sahara with Amber Fire Pearl with Black (Top) exterior and Camel / Dark Green interior features a Straight 6 Cylinder Engine with 181 HP at 4600 RPM *.

Available in as much as fifteen colors, including Slate Grey (shown above), Sahara Brown, Carbon Black, and Khaki Green.

The state has green - lighted the blacktopping of the final stretch of the journey, but nothing happens overnight in the Sahara, so for the near future it remains paved with suffering.

The city also boasts a number of beautiful, green gardens, access to the snow - capped Atlas Mountains and steamy Sahara Desert, as well as being in touching distance of other popular destinations in Morocco, including Agadir and Casablanca.

Created in screen - print and formica on aluminium, these minimal strips of colour evoke sandy, breezy tropics in blue, green and orange as encountered on the ground floor, while below, in the belly of the gallery, the blazing Sahara is embodied in yellow, brown and shocking pink.

And my my, the whole Sahara green and full of animals... Things just add up, it seems.

As recently as 5000 years ago, what is now the Sahara Desert was green, fertile, and home to lakes considerably larger than the Great Lakes.

Now the Sahara is greening, thanks to warmer and hence somewhat moister air.

The Great Green Wall was conceived as a 7,700 - kilometer tree belt streching the length of the Sahara Desert to stop desertification.

@vukcevic: Win - win is to irrigate the northern Sahara, it will go green, take billion tons of CO2, create its own climate, and produce grain and wine as it did in Roman warm period.

The effects of warmer would be manifest in the highly populated lowlands while colder would be more in the north (NYC is frozen but the Sahara is green).

If AGW isn't true, CO2 is great - plants grow better, more rainfall, deserts getting greener (already happening in Sahel / Sahara).

Win - win is to irrigate the northern Sahara, it will go green, take billion tons of CO2, create its own climate, and produce grain and wine as it did in Roman warm period.