SahelVulnerabilityThe examination of more than 1500 paleohydrological dated records collected between 10 and 28°N during the last 50 years have been used to improve our knowledge and understanding of the Sahara and Sahel vulnerability to the Atlantic monsoon changes in the long-term. We have ...
However, most public interest relating to trees is devoted to forests, and trees outside of forests are not well-documented3. Here we map the crown size of each tree more than 3 m2 in size over a land area that spans 1.3 million km2 in the West African Sahara, Sahel and sub-humid ...
Identifying regions combining similar environmental traits (climate regions) and species assemblages (biogroups) is needed for conserving the biodiversity patterns and processes. We identify climate regions and biogroups and map species diversity across the Sahara-Sahel, a large geographical area that ...
The Role of the Sahara Low in Summertime Sahel Rainfall Variability and Change in the CMIP3 Models An analysis of Sahel interannual variability provides evidence that variations in the Sahara low can be a cause, not just a consequence, of variations in S... M Biasutti,AH Sobel,SJ Camargo -...
The southern reaches of the Sahara end in the Sahel, a semiarid buffer zone that separates the desert from the more temperate savanna biomes beyond. A number of other factors affect climatic variability within the Sahara as well: topography does so, as do ocean currents, the latter of which...
Some academics have sought to reclassify the liminal sweep in question as the ‘North Saharan steppeand woodlands‘. Aka: the edge of the Sahara where things gradually become less arid, like the Sahel in the south. But looking at the zone on the map below, ‘woodland’ is not a word whi...
On the left, the 1983 edition of the Paris-Dakar crossed the Fadnoun on its way to Djanet and the Tenere beyond. A map and few shots of Tin Taradjeli over the years. Tin Taradjeli: where the green line meets the pink in the middle of the map. ...
This allows us to map the position of the sediment composition corresponding to the Sahara???Sahel boundary. Our records indicate that the Sahara???Sahel boundary reached its most southerly position (13?? N) during Heinrich stadials and hence suggest that these were the periods when the sand ...
As can be seen on any language map, the Nilo-Saharan people seem to be squeezed between two expanding cultural zones: the Afro-Asiatic and Bantu. But after the decline of Cushitic speakers in East Africa (due to absorption into expanding Bantus), Nilo-Saharan peoples like the Masai seem to...
travelling in their own vehicles were the target. Many more kidnappings followed which led to the gradual collapse of Sahara tourism, both independent and organised. As a result, the frequency of such incidents peaked a few years later, then slowed right down and moved south into the Sahel. ...