World Geography(UPSC): Deserts

Usually less than 250mm of rain per year, vegetation is less than 50% At least 300mm of rain per year, vegetation is less than 50% Usually less than 150mm of rain each year, no vegetation Less than 50mm of rain per year, vegetation is less than 50% 5% 20% 50% 100% South America North America South Africa North Africa Central South America Wester South America Coastle regions of Peru and some parts of North Chile none of the above regs draas barchans ergs by intense chemical weathering by wind erosion by stream erosion by intense mechanical weathering Desert Wetland Ocean Forest Mexico North Africa South Africa South Arabian Peninsula Kazakhastan Turkmenistan Uzbekistan China It lies in the tropics It is on the leeward side of a mountain It underlies a high pressure cell It receives only land wind