'Semihumid zones' presentation slideshows

The UNESCO index uses ratio values of P/ETP to delineate four broad arid regions.

The UNESCO index uses ratio values of P/ETP to delineate four broad arid regions. semihumid zones (0.50 < P/ETP < 0.75) semi-arid zones (0.20 < P/ETP < 0.50) arid zones (0.03 < P/ETP < 0.20) hyper-arid zones (P/ETP < 0.03). 5 major regions of aridity. Desert Climate.

411 views • 26 slides