File:Elementary physical geography (1907) (14769581004).jpg

Identifier: elementaryphysic00tarr (find matches)
Title: Elementary physical geography
Year: 1907 (1900s)
Authors: Tarr, Ralph S. (Ralph Stockman), 1864-1912
Subjects: Physical geography
Publisher: New York, The Macmillan company
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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Text Appearing Before Image:
, we mayfind upon these snow-covered lands even lower winter tem-peratures than those of northern central Asia. On the January and July charts of the United States(Plates 6 and 7), we find the greatest difference in tem-perature in the dry interior regions of Dakota and Mon-tana, and the least at Key West and on the southern coastof California, where the equable ocean waters preventeither excessively high summer temperatures, or excessivecold in the winter. Another place where the temperatureof the United States is subjected to a great range in thedifferent seasons, is in the desert region of the GreatBasin. Here the suns rays of the summer day readilypass through the dry, cool air and raise the temperatureof the ground, and the lower air layers, to a very highdegree. At night and in the winter, radiation proceedswith rapidity, because the air is clear and offers little ob-struction to the passage of the radiant heat; and thereforein the winter nights the temperature becomes very low.
Text Appearing After Image:
Face page 56. ■Id 0-20 f dc30 --^-t^irri

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