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Upper tropospheric winds that flow parallel to isobars are called


A) geostrophic winds.
B) NE trades winds.
C) easterlies.
D) westerlies.
E) Hadley cells.

F) B) and C)
G) D) and E)

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Describe the formation and characteristics of both surface ocean currents and deep ocean currents.

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The driving force of surface o...

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 Normal and El Niño conditions in the Pacific  The El Niño-Southern Oscillation is associated with the following except A) drier conditions over the western Pacific and wetter conditions in the eastern Pacific. B) slowing of upwelling along the South American Coast. C) cooler than normal ocean along the west coast of South America. D) higher pressure than normal over the western Pacific and lower pressure over the eastern Pacific. E) a weakening to reversal of the trade winds. Normal and El Niño conditions in the Pacific The El Niño-Southern Oscillation is associated with the following except


A) drier conditions over the western Pacific and wetter conditions in the eastern Pacific.
B) slowing of upwelling along the South American Coast.
C) cooler than normal ocean along the west coast of South America.
D) higher pressure than normal over the western Pacific and lower pressure over the eastern Pacific.
E) a weakening to reversal of the trade winds.

F) A) and D)
G) A) and E)

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The western intensification causes water to pile up ____,forcing water to flow ____in strong currents.


A) against eastern shore of continents;northward and southward
B) at the equator;eastward and westward
C) along western shores of continents;downward,then eastward
D) around the subtropical highs;in all directions
E) at the tropics;equatorward

F) A) and B)
G) A) and C)

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A isoline of equal pressure plotted on a weather map is known as an


A) isotherm.
B) isoplat.
C) isobar.
D) isohyet.
E) isobath.

F) A) and D)
G) B) and E)

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Dry,warm downslope winds occurring on the leeward side of Cascades and Rockies are called


A) bora.
B) mistral.
C) chinooks.
D) taku.
E) monsoons.

F) D) and E)
G) A) and E)

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Which is true of air flowing into low pressure center?


A) Air converges and ascends.
B) Air diverges and ascends.
C) Air converges and descends.
D) Air diverges and descends.
E) The air movement is called anticyclonic.

F) B) and C)
G) A) and B)

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A(n) _____is an instrument used to measure wind direction.


A) anemometer
B) wind vane
C) barometer
D) sling psychrometer
E) thermometer

F) A) and D)
G) D) and E)

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The El Niño-Southern Oscillation


A) occurs every year around Christmas time in the southern Pacific Ocean.
B) is a periodic shift of high and low pressure zones over the western and eastern Pacific,respectively,usually occurring every 2 to 12 years.
C) is a pattern of sea surface,air pressure,and wind shifts between the northern and tropical western Pacific.
D) is a north-south fluctuation of high and low pressure zones in the North Atlantic Ocean.
E) has weakened throughout the 20th Century and is expected to disappear completely in the first couple of decades of the 21st century.

F) A) and D)
G) C) and D)

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The great circulations in the ocean basins occur around the ____pressure systems and are known as ____.


A) subpolar low;ocean streams
B) subtropical high;ocean streams
C) subpolar low;gyres
D) ITCZ;Eckman transport
E) subtropical high;gyres

F) A) and E)
G) All of the above

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101) 101)   Global impacts of El Niño (top) and La Niña (bottom) from December--February (Northern Hemisphere winter) .  Which of the following is associated with a La Niña-ENSO Phase? A) stronger hurricanes in the eastern Pacific B) droughts in South Africa,India,Australia,and the Philippines C) wetter conditions throughout Indonesia,the South Pacific,and northern Brazil D) dryer conditions in the western Pacific and across Indonesia E) warmer conditions in parts of Canada Global impacts of El Niño (top) and La Niña (bottom) from December--February (Northern Hemisphere winter) . Which of the following is associated with a La Niña-ENSO Phase?


A) stronger hurricanes in the eastern Pacific
B) droughts in South Africa,India,Australia,and the Philippines
C) wetter conditions throughout Indonesia,the South Pacific,and northern Brazil
D) dryer conditions in the western Pacific and across Indonesia
E) warmer conditions in parts of Canada

F) A) and D)
G) A) and E)

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Which association is incorrect?


A) Equatorial low - Hot/Dry
B) Polar High - Cold/Dry
C) Subpolar low - 60° N/S
D) Subtropical High - 20-35° N/S
E) ITCZ - 20-35° N/S

F) A) and E)
G) A) and B)

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Which of the following is true of high pressure areas?


A) Air ascends and converges.
B) Air descends and diverges.
C) Air ascends and diverges.
D) Air descends and converges.
E) They are called cyclones.

F) A) and E)
G) A) and C)

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Which of the following is not associated with the Asian monsoon pattern?


A) unequal heating between the Asian landmass and Indian Ocean
B) shifting migration of the ITCZ bringing moisture-laden air to the area during the summer
C) summer low pressure zones over the ocean and high pressure zone over land
D) high amounts of precipitation,including record-breaking rainfall
E) hot moisture-laden winds flowing towards and uplifted by the Himalayas

F) D) and E)
G) A) and C)

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The 2014 winter storm dubbed the "polar vortex" was associated with ____moving further south than usual.


A) Hadley cells
B) Rossby waves
C) the jet stream
D) monsoons
E) Ferrel cells

F) D) and E)
G) None of the above

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An increase in air pressure will cause the mercury in a barometer to


A) rise.
B) fall.
C) freeze.
D) boil.
E) condense.

F) A) and D)
G) B) and D)

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The horizontal motion of air relative to Earth's surface is


A) barometric pressure.
B) wind.
C) convection flow.
D) a result of equalized pressure across the surface.
E) conduction.

F) B) and D)
G) C) and D)

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Which of the following is true of Hadley cells?


A) They dominate the polar circulation.
B) Upper-air flow moves northward and southward into the subtropics.
C) They are associated with the subpolar low pressure systems.
D) They occur at great depth in the oceans.
E) The westerlies emerge as a result of these cells.

F) A) and C)
G) A) and B)

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Which natural oscillation in global circulation is associated with shifts in patterns of sea surface temperatures,air pressure,and winds between the northern and tropical western Pacific?


A) El Niño-Southern Oscillation
B) La Niña
C) Pacific Decadal Oscillation
D) North Atlantic Oscillation
E) Arctic Oscillation

F) B) and C)
G) A) and B)

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If surface winds were influenced only by the pressure gradient force and Coriolis force (i.e. ,without the frictional force) ,


A) winds would flow in a straight line from areas of higher to lower pressure.
B) winds would flow parallel to isobars and at high rates of speed.
C) there would be no winds at all.
D) the effects would vary depending on surface texture.
E) wind speed and direction would be reduced.

F) D) and E)
G) C) and D)

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