CLASSIFICATION OF WORLD DESERT AREAS
TRAVELERS RESEARCH CENTER INC HARTFORD CT
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The report identifies and maps limits of arid and semiarid regions of the world through application of aridity criteria quantitatively expressed in terms having military significance. Because the dry world includes a wide range of thermal characteristics, from extremely hot deserts of North Africa to extremely cold semiarid Asia, subdivisions were based on features of monthly temperature. The worldwide distribution of arid and semiarid conditions is presented on one map. Details of both aridity and thermal classification are shown on eight continental and sub-continental maps for Eurasia, Southwestern Asia, North Africa, South Africa, Australia, South and Central Ameria, Europe, and North America. Aspects of climate and terrain that are of significance to Army operations are described.