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English: Edmond Halley's map of the trade winds, from (1686). "An Historical Account of the Trade Winds, and Monsoons, Observable in the Seas between and near the Tropicks, with an Attempt to Assign the Phisical Cause of the Said Wind". Philosophical Transactions of the Royal Society 16: 153-168.
The term originally derives from the early fourteenth century sense of trade (in late Middle English) still often meaning "path" or "track". [2] The Portuguese recognized the importance of the trade winds (then the volta do mar, meaning in Portuguese "turn of the sea" but also "return from the sea") in navigation in both the north and south Atlantic Ocean as early as the 15th century. [3]
Like trade winds and unlike the westerlies, these prevailing winds blow from the east to the west, and are often weak and irregular. [15] Due to the low sun angle, cold air builds up and subsides at the pole creating surface high-pressure areas, forcing an outflow of air toward the equator; [16] that outflow is deflected westward by the ...
Besides the westerlies, and trade winds, the large surfaces of land also effect the wind, causing cyclones, hurricanes and other deviations to the normal direction of trade wind File usage The following 10 pages use this file:
This established the standard Spanish route to the Americas: south to the Canary Islands, west on the trade winds to the Caribbean, then beat against the wind north of Cuba using the Florida Current to the Gulf Steam, then use it to go north to the westerlies which led directly home. Since wind systems move north in summer and south in winter ...
‘Dark Winds’ is based on a book series by author Tony Hillerman
A diagram showing the relative positions of the horse latitudes. The horse latitudes are the latitudes about 30 degrees north and south of the Equator. [1] They are characterized by sunny skies, calm winds, and very little precipitation.
Again set back by unfavorable trade winds, supplies began to run low; on 10 April, Columbus requested food from the natives of Guadeloupe. Upon going ashore, the Spaniards were ambushed by arrows; in response, they destroyed some huts. They then held a group of 13 native women and children hostage to force a sale of cassava. [115]