Change in Aridity - Shifts to Drier Conditions
Change in Aridity - Shifts to Wetter Conditions
Aridity is a climate phenomenon characterised by a shortage of water
Climate classification and dryland subtypes based on the Aridity Index.
A comparison of the two 30-year periods, 1951-1980 and 1981-2010, shows that global drylands have increased by about 0.35 %. This is attributable mainly to a 3.4 % increase (from 13.11 % to 13.56 %) in semi-arid subtypes.