Ch19_Outline - Chapter 19 Deserts and Winds Distribution...

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1 Chapter 19 Deserts and Winds Distribution and causes of dry lands Dry regions cover 30 percent of Earth’s land surface Two climatic types are commonly recognized Desert or arid Steppe or semiarid Desert and steppe regions of the world Figure 19.2
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2 Distribution and causes of dry lands Dry lands are concentrated in two regions Subtropics Low-latitude deserts In the vicinities of the Tropics of Cancer and Capricorn Areas of high pressure and sinking air that is compressed and warmed Subtropical high pressure belts and dry regions Figure 19.3 Distribution and causes of dry lands Dry lands are concentrated in two regions Middle-latitudes Located in the deep interiors of continents High mountains in the path of the prevailing winds produce a rainshadow desert
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