File:A regional geography of the world, with diagrams and entirely new maps (1922) (14769847421).jpg

Identifier: regionalgeograp00broo (find matches)
Title: A regional geography of the world, with diagrams and entirely new maps
Year: 1922 (1920s)
Authors: Brooks, Leonard
Subjects: Geography
Publisher: London, University Press
Contributing Library: Robarts - University of Toronto
Digitizing Sponsor: University of Toronto

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E. Trades pre-dominate, we find the Atacama and Peruvian desertsin South America, the Kalahari desert in South Africa,and the great Australian desert in Australia. The deserts vary in size, owing to the varying sizeand shape of the laadmasses and to the position ofmountain ranges which act as barriers, but they are allalike in being inhospitable to man, except along theirmargins, where nomadic pa&toral tribes are often found,or in those favoured spots where the presence of under-ground sources of v/ater supply makes settled life, basedon agriculture, possible, as in an oasis, or along thebanks of a river, as in the case of Egypt. Elsewherethey are barren and generally devoid of vegetation,except after occasional thunderstorms, and man onlymakes his home there when there is some lure to tempthim, as in the goldfields of the Western Australiandesert or the nitrate areas of the South American deserts. All deserts hinder human intercourse, and in this i6 MAJOR NATURAL REGIONS OF WORLD
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Rl^GIONS IN WARM TEMPERATE LANDS 17 respect they arc often more effective than other naturalbarriers. The Sahara, which takes a camel caravanthree months to cross, has for atj^cs been the barrierbetween white peoples and evcrythin^c^ that is essentiallyEuropean on the one hand, and black peoples andeverything that is African on the other. (e) Ecuador Type. This type of region is found in South America in theplateaus of Ecuador and Columbia. It is a specialtype of tropical region. Owing to the nearness to theEquator, the suns altitude alters very little throughoutthe year, so that although the heat is reduced by thehigh elevation, the mean temperature from day to day isremarkably even, and the climate has been describedas one of perpetual spring. It would, however, be amistake to think of it in terms of an English spring.These conditions obtain at the elevation at which thechief towns and settlements are located (see ClimaticStatistics, on p. 6), but at higher elevations the con-dition

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