Oceans and Climate Flashcards

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1
Q

The fluid movement of air from an area of high pressure to an area of low pressure

A

Wind

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2
Q

This drives air currents because of differences in air density and temperature

A

Convection

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3
Q

Differences in air pressure are caused by

A

unequal heating of the atmosphere

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4
Q

An increased cooling that a wind can cause

A

wind-chill factor

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5
Q

These blow over short distances, and are caused by unequal heating of Earth’s surface within a small area

A

Local winds

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6
Q

Winds that blow FROM an ocean or a lake and is caused by unequal heating along the shore of a body of water

A

Sea breeze

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7
Q

The flow of air FROM the land over a body of water

A

Land breeze

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8
Q

Winds that blow steadily from specific directions over a large area

A

Global winds

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9
Q

Warm air rises at the equator (less dense air) and cool air sinks at the poles (more dense air). This difference in air pressure is what drives winds to blow from the poles to the equator and this is called

A

Global convection currents

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10
Q

Earth’s rotation causes winds to travel in a curved pattern from west to east. This is called

A

The Coriolis Effect

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11
Q

horse latitudes and doldrums

A

Calm air

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12
Q

Bands of high speed winds 10 km above Earth’s surface. They travel from west to east.

A

Jet stream

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13
Q

What percentage (approximately) of the Earth’s surface is covered with water?

A

70%

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14
Q

Which heats up faster, water or land?

A

land

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15
Q

Differences in temperature of air above land and water causes _________ and __________.

A

wind and weather

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16
Q

What type of energy is transferred between the ocean and the atmosphere ?

A

thermal energy

17
Q

Ocean currents in the Northern Hemisphere travel in a ________________ pattern.

A

clockwise

18
Q

Ocean currents in the Southern Hemisphere travel in a _______________ pattern.

A

counter-clockwise

19
Q

They occur in the open ocean and are powered by wind from all over the globe. Ex: Gulf Stream

A

Surface ocean currents

20
Q

They occur at depths deeper than 100m. Ex: West Australian Current

A

Deep ocean currents

21
Q

The transfer of heat by the movement of air or fluid is

A

convection

22
Q

A powerful surface current in the Atlantic Ocean that helps warm Europe

A

The Gulf Stream

23
Q

The large scale movement of warm and cold currents all over the world

A

The Great Conveyor Belt

24
Q

The average year after year conditions of temperature, precipitation, winds, and clouds in an area.

A

Climate

25
Q

Name 3 temperature zones on Earth

A

Tropical zone, polar zone, temperate zones

26
Q

In the case of high mountains, which is more important in determining climate: altitude or latitude?

A

altitude

27
Q

A short term climate change. Warm water event in the western Pacific Ocean. It brings heavy rains or droughts and happens every 2 - 7 years.

A

El Nino

28
Q

A short term climate change. Surface water in the eastern Pacific are colder than normal. It brings colder than normal winters and greater precipitation to the pacific northwest and central US

A

La Nina

29
Q

A climate defined by flat, treeless land, with very little precipitation surrounding the Artic Ocean

A

tundra

30
Q

A climate defined by evergreen forests called taiga cover the lands, especially in Canada and Russia. Although the summers are short and cool, the winters are always very cold.

A

subartic

31
Q

The winds over the warm ocean moderate the temperatures and keep them relatively
constant. Parts of the west coast of the United States and Canada and most of Western Europe experience this climate. Lots of fog and precipitation

A

marine west coast

32
Q

A climate that receives less than ten inches of rain per year. High temperatures during the day. At night, temperatures drop because the dry air cannot hold
heat well.

A

deserts

33
Q

A climate that is always hot, with an average temperature of 80°F. The days begin sunny but by afternoon have clouded up, and rain falls
almost daily. This climate is found in Central and South America as well as Africa and Southwest Asia.

A

tropical wet