Ocean Circulation Flashcards

1
Q

Ocean Circulation

A

Land dominates the Northern Hemisphere and oceans the Southern.

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2
Q

Summer and winter air temperature

A

Summer and winter air temperature differences are greater in the Northern Hemisphere.

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3
Q

Ocean Circulation air and oceanic current

A

Air and oceanic currents carry heat from the equator to the poles.

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4
Q

Convection

A

The circular motion that occurs when warmer air or liquid rises, while the cooler air or liquid sinks.

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5
Q

Ocean Circulation
wind patterns

A

Wind patterns caused by tropical air flowing to the polar regions drive surface ocean currents.

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6
Q

Ocean Circulation
temperature and density

A

Temperature and density control deep-water, density-driven currents.

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7
Q

Ocean Circulation Ocean water

A

Deeper ocean waters are colder and denser than near-surface waters.

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8
Q

Ocean circulations in the northern hemisphere

A

In the Northern Hemisphere, north-flowing ocean currents from the equator are warmer than south-flowing ones.

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9
Q

Thermohaline currents

A

Thermohaline currents drive a conveyor belt of ocean water that moves constantly, unlike most surface currents, which are driven by winds.

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10
Q

Ocean circulation water

A

Cold, salty water sinks, while warmer water rises.

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11
Q

the Gus stream Northern latitude

A

The Gulf Stream heats northern latitudes by entering the Norwegian Sea.

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12
Q

Ocean Circulation sinks

A

This water sinks because it loses heat and becomes cooler and denser.

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13
Q

Ocean Circulation bottom water flows

A

Cold bottom water flows south to Antarctica and warms and rises to the surface in the Pacific and Indian Oceans.

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