Honors Oceanography Benchmark #2 Review (Unit 5)

During an El Niño event

• the trade winds strengthen.

• the central eastern Pacific ocean becomes cooler.

• a strong equatorial countercurrent develops in the Pacific.

• the Peru Current strengthens.

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Thermohaline Circulation (deep ocean currents) is a result of

• Global Wind Patterns
• Earth's Rotation
• Density differences / Gravity

• All of the above

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What causes surface currents to move in circular paths?

• strong winds
• the Coriolis effect
• salinity
• the Global Ocean Conveyor

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Because of the Coriolis Effect, surface currents in the Northern Hemisphere are deflected

• irregularly

• randomly

• to the left (counterclockwise)

• to the right

  (Clockwise)

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The large, circular pattern formed by 4 surface currents found in each ocean.

• California Current
• Surface Current
• Gyre
• Global Conveyor Belt

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At the equator warm air rises creating a windless area known as the...

• doldrums

• horse latitudes

• prevaililng westerlies

• polar easterlies

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NGSS.MS-ESS2-5

Cooler air sinks at 30⁰ latitude causing a windless area known as...

• doldrums

• horse latitudes

• polar easterlies

• prevailing westerlies

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The warm, strong current off the coast of Florida is the 

• Gulf Stream
• California Current
• North Equatorial Current
• Brazil Current

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The _____________ is the largest cell and extends from the equator to between 30 and 40⁰ North and South.

• Hadley Cell
• Polar Cell
• Ferrel Cell

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In these latitudes the cooler air from the poles meets the warmer air from the tropics, causing air to rise. 

• Polar Cells
• Ferrel Cells
• Hadley Cells

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NGSS.MS-ESS2-5