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Mar 20, 2020 · In the future, the Sahara and Sahelian regions could experience more rainfall than today as a result of climate change. Wetter periods, termed African humid periods, occurred in the past and witnessed a mesic landscape in place of today’s hyperarid and semiarid environment. Such large past changes raise the question of whether the near future ...
- A Case History for Mediterranean Sapropel S5
A Mediterranean record is selected because: (1) the modern...
- Late Quaternary Climate and Vegetation of The Sudanian Zone of Northeast Nigeria
The Lake Tilla crater lake in northeastern Nigeria (10°23′N,...
- Model, Proxy and Isotopic Perspectives on The East African Humid Period
Two major convergence zones define precipitation climatology...
- Climate and Environment of a Pliocene Warm World
2.1. Tropical and sub-tropical vegetation zones. The...
- Insights From a Calibration Transect Across Cameroon
Hydrogen isotope values (δD) of sedimentary aquatic and...
- New Age Constraints on The Middle Stone Age Occupations of Kharga Oasis, Western Desert, Egypt
We drilled between 140 and 261 mg of powder from visually...
- A Case History for Mediterranean Sapropel S5
Jul 24, 2015 · The Sahel is the semi-arid southern shore of the Saharan 'sea of sand'. It holds a special place in climate science, because of the long-standing debate on the causes of persistent drought in the ...
- Alessandra Giannini
- alesall@iri.columbia.edu
- 2015
The Sahel or Sahel Belt (from Arabic ساحل, sāḥil, shore, border or coast of the Sahara) is a semi-arid tropical savanna ecoregion in Africa, which forms the transitional zone between the Sahara Desert to the north and the more humid savanna belt to the south known as the Sudan (not to be confused with the country of the same name).
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Apr 6, 2021 · The slow response leads to a southward shift of the circulation over the Sahel and the tropical Atlantic Ocean (Fig. 3b), in line with a warming that is higher over the tropical than the ...
- Paul-Arthur Monerie, Benjamin Pohl, Marco Gaetani
- 2021
Figure 7.4.5.2 7.4.5. 2: Oasis in Mauritania. (Image courtesy FAO) Climatologists describe the desert as an "arid" climate. An arid climate, as defined on the basis of the soil moisture balance, is one in which the annual precipitation is less than half of the annual potential evapotranspiration. In the tropical desert, the only substantial ...
The financial investment needed to bring such ecosystem restoration projects to full scale across the Sahel are estimated to be in the range of $36-43 billion for the period from 2021-2030, excluding costs for capacity building, training and policy change. This is 17-20x more than the funding allocated to the Great Green Wall Initiative during ...
The link between climate change and conflict is increasingly at the forefront of security and development discussions. One place of greatest concern is the Sahel, a region defined by challenging ...
