Sentences with phrase «sahel precipitation trends»
Figure 3 shows Sahel precipitation trends from Held et al., expressed as July - September proportional amounts relative to the 1901 - 2000 observed mean.
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But their attention was quickly drawn to trends of decreasing precipitation in the Sahel, a semiarid region linking the Sahara to the savannas of Sudan.
Pronounced long - term trends from 1900 to 2005 have been observed in precipitation amount in some places: significantly wetter in eastern North and South America, northern Europe and northern and central Asia, but drier in the Sahel, southern Africa, the Mediterranean and southern Asia.