The Encyclopedia Americana, Volume 7Grolier, 1989 - Encyclopedias and dictionaries |
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Page 72
... latitudes is that the sun's rays , which fall slantingly on the earth's surface at the poles , have to pass through more of the atmosphere be- fore they can reach the earth . At low latitudes the sunlight at noon traverses the ...
... latitudes is that the sun's rays , which fall slantingly on the earth's surface at the poles , have to pass through more of the atmosphere be- fore they can reach the earth . At low latitudes the sunlight at noon traverses the ...
Page 74
... latitudes as surface winds . These winds , called the polar easterlies , extend to about 60 ° latitude in both hemispheres . Winds at Middle Latitudes . To complete the circulation cycles , it would seem that the air from 60 ° latitude ...
... latitudes as surface winds . These winds , called the polar easterlies , extend to about 60 ° latitude in both hemispheres . Winds at Middle Latitudes . To complete the circulation cycles , it would seem that the air from 60 ° latitude ...
Page 76
... latitude than to 60 ° latitude , because of the greater supply of moisture in mid- dle latitudes than in high latitudes and because of the frequent strong frontal lifting that occurs in middle latitudes . In each hemisphere there are ...
... latitude than to 60 ° latitude , because of the greater supply of moisture in mid- dle latitudes than in high latitudes and because of the frequent strong frontal lifting that occurs in middle latitudes . In each hemisphere there are ...
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