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Jun 4, 2019 · Annual mean rainfall decreases from more than 800 mm in the south to less than 200 mm in the north and determines the progression of natural land cover from shrublands to grasslands and savanna, and the prevalence of sedentary agriculture or nomadic pastoralism.
- Michela Biasutti
- 128
- 2019
- 04 June 2019
- Location of Sahara Desert and The Countries It Covers
- Weather and Temperature in Sahara
- Climate Change Effects on Sahara
The Red Sea surrounds the Sahara on the east, the Atlantic Ocean on the west, on the north the Mediterranean Sea and the Sahel, a semi-arid tropical savannah of Sudan and the Valleyof River Niger of Sub Saharan Africa on the south. This gigantic desert is spread out in 11 countries: Algeria, Chad, Egypt, Libya, Mali, Mauritania, Morocco, Niger, Wes...
Sahara desert is the World’s hottest large land area. Two climatic regimes dominate the Sahara desert: a dry northern subtropical climate and a dry southern tropical climate. The characteristics of dry subtropical climate are unusually high-temperature ranges, annual and diurnal, hot summers and cold to cool winters, and two precipitationmaximums. ...
The Sahara desert has grown about 10% in size since 1920, according to a 2018 study published in the Journal of Climate. Usually, all deserts increase in the area during the dry season and decrease during the wet season, similar to what happened in Sahara. However, human-caused climate change intervenes with natural climate cycles and causes the Sa...
Mar 20, 2020 · In this section, we present recent studies investigating the rainfall changes during the last decades, future climate projections, and the associated vegetation changes. We also discuss the main limitations of our current knowledge on the topic.
- Francesco S.R. Pausata, Marco Gaetani, Gabriele Messori, Gabriele Messori, Alexis Berg, Danielle Mai...
- 2020
Aug 16, 2021 · The amount of rainfall in the Sahelian south is different from the north. In the southern zone of the Sahel, rainfall can average 600mm per year. In contrast, average rainfall in the north is just 200mm per year.
Jun 4, 2019 · In most recent decades, seasonal rainfall amounts have partially recovered, but rainy season characteristics have changed: rainfall is more intense and intermittent and wetting is concentrated in the late rainy season and away from the west coast.
- Michela Biasutti
- 2019
Jul 19, 2018 · The Sahel rainfall was averaged over the area 10–18°N and 20°W-30°E and over the months July-September to create the Sahel Rainfall Index (SRI) which represents the summer monsoon...
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Sep 15, 2022 · We focus on July–September average rainfall in the central Sahel region (0–30°E, 10–20°N), which is more susceptible to changes in remote moisture import than the coastal regions further to the West.
