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trade winds |
Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson | 0.01 sec. |
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trade winds, movement of air toward the equator, from the NE in the Northern Hemisphere and from the SE in the Southern Hemisphere. The trade winds originate on the equatorial sides of the horse latitudes horse latitudes, two belts of latitude where winds are light and the weather is hot and dry. They are located mostly over the oceans, at about 30° lat. in each hemisphere, and have a north-south range of about 5° as they follow the seasonal migration of the ..... Click the link for more information. , which are two belts of high air pressure, one lying between 25° and 30° north of the equator and the other lying between 25° and 30° south of it. The high air pressure in these belts forces air to move toward a belt of low air pressure along the equator called the doldrums doldrums (dŏl`drəmz) or equatorial belt of calms, ..... Click the link for more information. . The air converging at the doldrums rises high over the earth, recirculates poleward, and sinks back toward the earth's surface in the region of the horse latitudes, thus completing a cycle. The air does not move directly north or south because it is deflected by the rotation of the earth. See wind wind, flow of air relative to the earth's surface. A wind is named according to the point of the compass from which it blows, e.g., a wind blowing from the north is a north wind. ..... Click the link for more information. ; Coriolis effect Coriolis effect (kôr'ē-ō`lĭs) [for G.-G. ..... Click the link for more information. . How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Making so long a passage through such unfrequented waters, descrying no ships, and ere long, sideways impelled by unvarying trade winds, over waves monotonously mild; all these seemed the strange calm things preluding some riotous and desperate scene. A stay of one or two days will be made here, which, if time permits, may be extended, and passing on through the islands, and probably in sight of the Peak of Teneriffe, a southern track will be taken, and the Atlantic crossed within the latitudes of the northeast trade winds, where mild and pleasant weather, and a smooth sea, can always be expected. They are golden-fleshed, the Hawalians, a race of lovers, all in the warm cool of the tropic night where the trade winds blow. |
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