Current information about climate and the environment. ... But before the vegetation index could be used to map out desertification in the Sahel, Prince, Tucker, and others studying the phenomenon needed two things: a clear definition of what qualifies as desertification and a long record of vegetation conditions in the Sahel.
earthobservatory.nasa.gov/Features/Desertification/
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Sahel means 'edge' or 'shore' of the desert. The Sahel region of Africa borders the Sahara Desert. It is an area of low rainfall, frequent drought, and few natural resources. Click on the map below to see the countries in the Sahel region. ... Map of the Sahel region of Africa...
gvc04.virtualclassroom.org/gvc04c03/drought/drought_sah... gvc04.virtualclassroom.org/gvc04c03/drought/drought_sahel.htm
Sahel - Wikipedia, the free encyclopedia
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The Sahel or Sahel Belt (from Arabic ساحل, sāḥil , shore, border or coast of the Sahara) is a semi-arid
en.wikipedia.org/wiki/Sahel
For centuries, the Sahel boasted some of Africa's most influential civilizations. Anarrow band of semi-arid land south of the Sahara, the Sahel attracted both Arabs looking for gold from Sudan and Europeans looking for slaves from West Africa.
www.pbs.org/wnet/africa/explore/sahel/sahel_overview.ht... www.pbs.org/wnet/africa/explore/sahel/sahel_overview.html
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The climate of the Sahel area is typically an arid and unstable environment. This is a most problematic environmental zone because it is hard to operate agriculture with very little precipitation. The Sahel area is a predominately sparse savanna vegetation of grasses and shrubs.
maps.unomaha.edu/Peterson/funda/Notes/Notes_Exam4/Sahel... maps.unomaha.edu/Peterson/funda/Notes/Notes_Exam4/Sahel.html
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www.reliefweb.int/mapc/afr_wst/reg/sahf298.html www.reliefweb.int/mapc/afr_wst/reg/sahf298.html
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The Sahel region is found in sub-Saharan Africa, and constitutes a semiarid strip of land famously known as The Sahel. Sahel is an Arabic word, which means "shore". ... Click on map to explore our projects ... Map of the Sahel;
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