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Winds and Currents
Final Study/Hunsicker
27
Science
10th Grade
06/11/2008

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Cards

Term
Hadley Cells
Definition
Huge hemispheric wind convection systems (3 per hemisphere)
Term
Westerlies
Definition
Winds of the temperate latitudes (move eastward)
Term
Tradewinds
Definition
Cool easterlies move from temperate back to tropics
Term
Doldrums
Definition
Still air; no wind due to rising air at the equator
Term
Polar Easterlies
Definition
Winds between 60 degrees - 90 degrees N and S latitudes
Term
Horse Latitudes
Definition
Descending air here causes high pressure & subtropical deserts
Term
Humboldt Current
Definition
Cold northward moving current along west South America
Term
Benguelan Current
Definition
Cold northward moving current along west side of Africa
Term
Coreolis Effect
Definition
Bending of wind due to differences in earth rotational speed
Term
Greenland Current
Definition
This current brought the iceberg that sank Titanic in 1912
Term
Labrador Current
Definition
Cold current off New Foundland; gave great fishing to settlers
Term
Gulf Stream
Definition
Warm current off Atlantic seaboard; moves toward England
Term
Brazilian Current
Definition
Main southward current on east side of South America
Term
Kuroshio
Definition
Warm tropical current moving north on east side of Japan
Term
Upwelling
Definition
Cold, nutrient rich water moves upward from ocean bottom
Term
Canary
Definition
Cool current off Spain moving southward to Africa
Term
Counter Current
Definition
Eastward warm current north and south of Equator
Term
Roaring Forties
Definition
Constantly blowing Westerlies of the Southern Hemisphere
Term
North Atlantic Current
Definition
Current from Gulf Stream, carries warm water to England
Term
N & S Equatorial Current
Definition
Tradewinds drive these huge westward moving currents
Term
California Current
Definition
This current responsible for great fishing along California coast
Term
West Wind Drift
Definition
S. Hemispheric current driven by the Roaring Forties
Term
Jet Stream
Definition
High speed winds of upper Tropophere; determines storm
Term
El Nino
Definition
Breakdown of tradewinds causes E. Pacific to rise in temperature
Term
Hurricane
Definition
Low pressure system w/ fast wind in N. Atlantic tradewind belt
Term
Topographic Effect
Definition
Cold high altitude air rushes down mountain to valley (night)
Term
Onshore Wind
Definition
Direction of wind during summer day at the local beaches
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