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Sahel
Sahel zone
Sahel zone The semi-arid southern border of the Sahara in western Africa, which supports a very dry type of
savannah including scattered, thorny trees. In recent years the desert has advanced appreciably into the Sahel zone, partly at least as the result of poor land management. Compare
GUINEA ZONE.
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The Role of the Sahara Low in Summertime Sahel Rainfall Variability and Change in the CMIP3 Models
Magazine article from: Journal of Climate; 11/1/2009; ; 700+ words
; ...first-century changes in summertime Sahel precipitation differ greatly across models...low-level Saharan low, correlates with Sahel rainfall in all models and at the time...forced centennial trend. An analysis of Sahel interannual variability provides evidence...
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SST Forcings and Sahel Rainfall Variability in Simulations of the Twentieth and Twenty-First Centuries
Magazine article from: Journal of Climate; 7/15/2008; ; 700+ words
; ABSTRACT The outlook for Sahel precipitation in coupled simulations...shows that the relationship that links Sahel rainfall anomalies to tropical sea surface...state as the world warms. The same SST-Sahel relationship can be used to predict the...
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The Maghreb Myth.(International)(security in Sahel, Africa)
Magazine article from: Newsweek International; 11/30/2009; ; 700+ words
; ...shouldn't. The terror continues in the Sahel, that broad expanse of remote desert stretching...terrorists" have been killed in the Sahel since 2004, and they fear that as strikes...parts of the world, including across the Sahel. In response, American security officials...
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Impact of Sea Surface Temperature and Soil Moisture on Seasonal Rainfall Prediction over the Sahel
Magazine article from: Journal of Climate; 12/15/2005; ; 700+ words
; ...The ensemble rainfall forecasts over the Sahel for July-September (JAS) from the NCEP...precipitation analysis indicates that the predicted Sahel rainfall is light and exhibits little interannual...significant influence on rainfall over the Sahel. Because the systematic SST errors were...
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Ocean Warming and Late-Twentieth-Century Sahel Drought and Recovery
Magazine article from: Journal of Climate; 8/1/2008; ; 700+ words
; ...anomalies on late-twentieth-century Sahel precipitation variability are investigated...show that the primary causes of the 1980s Sahel drought are divergence and anomalous anticyclonic...circulation drives moisture away from the Sahel. By competing for the available moisture...
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Sahel humanitarian overview.
M2 Presswire; 8/11/2005; 700+ words
; ...M2 PRESSWIRE-11 August 2005-USAID: Sahel humanitarian overview(C)1994-2005...insecurity and development challenges in the Sahel region of Africa, including Niger. In...programs that will help improve lives in the Sahel and is working closely with the U.N...
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Impact of Desert Dust Radiative Forcing on Sahel Precipitation: Relative Importance of Dust Compared to Sea Surface Temperature Variations, Vegetation Changes, and Greenhouse Gas Warming
Magazine article from: Journal of Climate; 4/15/2007; ; 700+ words
; ...to dry climate observed in the African Sahel region in the last half of the twentieth...convergence zone (ITCZ) including the Sahel region and increased precipitation south...observed precipitation reduction in the Sahel between wet and dry periods. A large part...
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Societies and Nature in the Sahel.
Magazine article from: Journal of Development Studies; 2/1/1998; ; 700+ words
; ...societies and environment over time in the Sahel. The area has been the subject of periodic...not gone away, and in the 1990s when the Sahel featured as a critical region in 'global...research materials have been built up on the Sahel, but where is it, and where is the synthesis...
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A desert hot spot? The Sahel is recognised as the region most prone to desertification. But there is increasing evidence suggesting the process is being reversed in some areas.(Geographical dossier/Desertification)
Magazine article from: Geographical; 2/1/2005; ; 700+ words
; ...the combination of a drought that had plagued the Sahel almost continuously for 15 years and a long-standing...early 1990s, they actually improved across the Sahel and Sudan. However, the Sahel remains a region of great concern to the UN, which...
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Europe: Commission provides more humanitarian aid to fight acute malnutrition in the Sahel.
News Wire article from: TendersInfo; 6/6/2008; 700+ words
; ...malnutrition and mortality in West Africa's Sahel region. The aid targets the most vulnerable...Mali, Mauritania and Niger as well as the Sahel regions in the north of Benin, Cote d...million allocated for further food aid in the Sahel this year. The recent massive global increase...
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Sahel
Book article from: The Columbia Encyclopedia, Sixth Edition
Sahel , name applied to the semiarid region of...the east. Beginning in the late 1960s the Sahel was afflicted by a prolonged and devastating...helped, drought and famine affected the Sahel again in the mid-1980s and early 1990s...
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Sahel zone
Book article from: A Dictionary of Plant Sciences
Sahel zone The semi-arid southern border of the Sahara in western Africa, which...thorny trees. In recent years the desert has advanced appreciably into the Sahel zone, partly at least as the result of poor land management. Compare GUINEA...
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Tunisia: Overview
Encyclopedia entry from: Encyclopedia of the Modern Middle East and North Africa
...low near the coast, then merge into the Sahel (coast), an area lying between Hammamet...south lies the Sahara. The north and the Sahel are the most urbanized and most densely...iron ore, lead, zinc, and salt. The Sahel region is a rich olive-growing area...
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Mali
Encyclopedia entry from: Worldmark Encyclopedia of the Nations
...which the upper Niger once flowed). The Sahel stretches east to west through the center...seasonal lakes can be found in the central Sahel region. CLIMATE Southern and western Mali...Sahara. At Gao, in Mali's northeast Sahel, rainfall is about 23 cm (9 in) a year...
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Guinea-Bissau
Encyclopedia entry from: Junior Worldmark Encyclopedia of Physical Geography
...wind direction, blowing dry, dusty air from the Sahel across the country from mid-December to mid...is affected by the dry, harmattan winds of the Sahel region of neighboring countries. Sahel is an Arabic word meaning "shore." It refers...
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