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Jun 17, 2019 · Between 1984 and 1985, international media brought to the world’s attention the existence of what was called the “Hunger Belt”. A massive drought had affected the Sahel, the large 5,400-km strip that crosses Africa from west to east, from the Atlantic Ocean to the Red Sea. The land was left without water and without a blade of grass, and ...
Tropical savanna climates (Aw), Hot Semi-arid (BSh), Hot Desert (BWh) The Sahel region ( / səˈhɛl /; from Arabic ساحل (sāḥil [ˈsaːħil]) 'coast, shore') or Sahelian acacia savanna is a biogeographical region in Africa. It is the transition zone between the more humid Sudanian savannas to its south and the drier Sahara to the north.
- 3,053,200 km² (1,178,800 sq mi)
- Tropical and subtropical grasslands, savannas, and shrublands
- 200 and 400 meters (660 and 1,310 ft)
- Afrotropical
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Climate. The Sahelian climate is tropical. Summers are hot, with maximum mean temperatures varying from 33° to 36°C (91° to 97°F). Monthly mean minimum temperatures fall in the range of 18° to 21°C (64° to 70°). Rainfall in the southern area of the region is around 600 mm (23.6 inches). This decreases to around 200 mm (7.9 in) in the north.
The Sahel is a transition zone between the pure desert of Sahara and the woody savanna of the Sudanean zone further south. It is a very fragile ecosystem where the signals of climate change and climate variability have been most apparent, with unprecedented climate variability over the last four decades (Hiernaux et al., 2009 ; Kaptué ...
- Cheikh Mbow
- 2017
Sep 27, 2022 · As the U.S. Agency for International Development (USAID) updates its water strategy, it is important to examine the interplay of economic and conflict fragility, irregular migration, climate change, and water availability in the Sahel to identify interventions for greater resilience. In a region like the Sahel, water is critical to resilience ...
In between the two, the color in the Sahel swings from tan during the dry season to dark green during the rainy season. The densest vegetation correlates well with areas of heavy rainfall, shown in dark blue in the lower image. The correlation reveals that the Sahel is not becoming a desert on a large scale, though localized land degradation ...
Rainwater harvesting in the Sahel. Planting pits, Niouma [ fr] near Yako, Passoré Province, Burkina Faso. Rainwater harvesting in the Sahel is a combination of "indigenous and innovative" [1] agricultural strategies that "plant the rain" and reduce evaporation, so that crops have access to soil moisture for the longest possible period of time.
