geo quiz 4 Flashcards

definitions

1
Q

equator

atmospheric heating

A

an imaginary horizontal line diving the Earth into a northern and southern hemisphere

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2
Q

axis

atmospheric heating

A

an imaginary line around which the Earth rotates

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3
Q

equinox

atmospheric heating

A

when Earth’s axis is perpendicularr to incoming solar radiation

occurs 2x a year in spring and fall

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4
Q

Summer Solstice

atmospheric heating

A

when the North Pole experiences 24 hours of daylight

during the Sun rays’ highest point

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5
Q

albedo

atmospheric heating

A

the portion of sunlight incidence/radiation that is reflected by a surface

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6
Q

evaporation

atmospheric heating

A

point at which water can only reach a certain temperature since molecules will start to break free

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7
Q

weather

weather

A

short-term changes in the atmosphere

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8
Q

climate

weather

A

describes what weather will be like over a long period of time in a specific area

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9
Q

the Coriolis Effect

weather

A

the effect the Earth’s rotation has on ocean currents, atmosphere, and air travel

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10
Q

water vapor capacity

weather

A

the max amount of water that can be stored in a given air mass at a certain temperature

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11
Q

moisture content

weather

A

how much water is in the air

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12
Q

relative humidity

weather

A

how much water vapor is in the air compared to the maximum amount possible

calculated by dividing the moisture content/ water vapor capacity

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13
Q

dew point

weather

A

the temperature when air becomes saturated

when water content equals capacity

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14
Q

saturation

weather

A

when air has reached maximum water capacity

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15
Q

precipitation

weather

A

process when water condenses into liquid droplets when air reaches 100% humidity

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16
Q

adiabatic

weather

A

a temperature change resulting from changes in pressure alone

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17
Q

Polar cell

weather

A

the circulation cell that forms between approx. 90-60 degrees North of the equator

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18
Q

Ferrel Cell

weather

A

cell that forms between 60-30 degrees at the equator

19
Q

Hadley Cell

A

the cell that forms between 30 degrees at the equator

20
Q

air masses

weather

A

large bodies of air with similar temperatures, pressures, and moisture content

21
Q

maritime air masses

weather

A

humid air masses that form over the oceans

22
Q

continential air masses

weather

A

air masses that tend to be dry which form over the continents

23
Q

polar air masses

weather

A

air masses that tend to be cold that generally form at high latitudes

high latitudes greater than 50 degrees North or South of the equator

24
Q

tropical air masses

weather

A

air masses that tend to be warm which form over the tropics latitudes at/near the equator

25
Q

maritime polar air masses

weather

A

cold and humid air masses that form over water near the poles

26
Q

continential polar air masses

weather

A

cool and dry air masses that form near the poles over the continents

27
Q

maritime tropical air masses

weather

A

warm and humid air masses that form over water near the tropics

28
Q

continential tropical air masses

weather

A

dry and warm air masses that form over the tropical continents

29
Q

the lake snow effect

weather

A

effect where water takes longer to warm up and longer to cool down

30
Q

adiabatic process

severe weather

A

as warm air rises rapidly, it experiences increasingly lower pressures, causing it to expand, cool, and condense until reaching saturation when clouds will begin to form

31
Q

front

severe weather

A

where two different air masses will meet but do not mix

32
Q

cold front

severe weather

A

cold, dense air that hugs Earth’s surface and slides under warmer, less dense air

33
Q

warm front

severe weather

A

warm air that is less dense that rises over outgoing cooler air

34
Q

stationary fronts

severe weather

A

occurs when cold and warm fronts passively meet

35
Q

occluded fronts

severe weather

A

forms when cold fronts overtake warm fronts

36
Q

low-pressure areas

severe weather

A

area where very warm air rises up off Earth’s surface

37
Q

cyclones

severe weather

A

spinning storm clouds that occur as storms start to rotatate

38
Q

void

severe weather

A

created by warm rising air as a part of a cyclone

warm rising air also known as warm departing air

39
Q

hurricanes

severe weather

A

cloud masses formed in the tropicse by taking heat from the equator, moving it towards the poles

also known as a tropical cyclone

40
Q

feeder/rain bands

severe weather

A

physical indicator of area with more intense rain

41
Q

hurricane eye

severe weather

A

the open space in a hurricanes center where warm air rises and displaces cold sinking air

42
Q

hurricane eye wall

severe weather

A

area of the most intense updrafts/uplift where warm air rises, spirals, and creates a wall of clouds from the ground up

43
Q

hurricane zones

severe weather

A

area where hurricanes are generally generated

between 5-15 degrees North or South of the equator