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. 2022 Jul 15;9:409. doi: 10.1038/s41597-022-01493-1
Aridity Index Value Climate Class
<0.03 Hyper Arid
0.03–0.2 Arid
0.2–0.5 Semi-Arid
0.5–0.65 Dry sub-humid
>0.65 Humid