chapter 28.2 Flashcards

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1
Q

jet stream

A

narrow band of fast moving, high altitude air

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2
Q

how many jet streams are in the world

A

4

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3
Q

how many pressure systems are there

A

2

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4
Q

what is a low pressure system known as

A

low

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5
Q

which way does the air flow for a low pressure system

A

towards the center

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6
Q

what are some results of a low pressure system

A

cloud formation and precipitation

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7
Q

what is high pressure system also known as

A

High (H)

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8
Q

which way does a high pressure system rotate

A

clockwise

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9
Q

what result when a high pressure system

A

air to sink causes clears skies

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10
Q

what are the 4 weather fronts

A

cold front, warm front, stationary front and occluded front

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11
Q

how is a cold front created

A

cold air forces warm air up

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12
Q

how is a cold front represented on a weather forecast

A

blue triangle

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13
Q

how is a warm front represented on a forecast

A

red half circles

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14
Q

how are warm fronts created

A

warm air rises gently above cold air

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15
Q

how are stationary fronts created

A

cold and warm air meet and can last for days

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16
Q

how are they represented

A

half circles on top triangles on bottom and they alternate

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17
Q

how is a occluded front created

A

cold fronts coming quick forcing the warm air above

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18
Q

how are they represented

A

purple alternating half circles and triangles on top

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19
Q

what is climate

A

the long term average of weather conditions

20
Q

what is weather

A

day to day outside conditions

21
Q

what are the 5 spheres that make up earths system

A

biosphere atmosphere cryosphere lithosphere hyrdrosphere

22
Q

what is atmosphere

A

the air around us

23
Q

what is biosphere

A

everything organic

24
Q

what is cryosphere

A

frozen water in snow ice and glaciers

25
Q

the lithosphere

A

earths outermost layer

26
Q

what is the primary factor that is given in any location

A

latitude

27
Q

where is solar radiation the most intense on the earth

A

the equator

28
Q

at what angle do the suns rays hit the tropical zone

A

90

29
Q

at what angle does the sun rays hit the temperate zone

A

45

30
Q

what angle do sun ray hit the polar zones

A

30

31
Q

mritime climate

A

climate with strong ocean influence

32
Q

continental climates

A

areas with little direct ocean influence with steep tempature

33
Q

what other factors determine climate

A

precipitation mountains and bodys of water

34
Q

on the winward side what are the conditions like

A

cool and wet lots of vegtation i

35
Q

what is the leeward side

A

warm and dry air little to no vegitation

36
Q

sea breeze

A

wind blows from water to land happens afternoon

37
Q

what is land breeze

A

happens at night

38
Q

what type of climate zone and vegetation does Lamar have

A

grassland

39
Q

what are the two changes that earths climate undergoes

A

seasonal and long term

40
Q

how do seasonal changes occur

A

as the earth revolves around the sun

41
Q

which hemisphere experiences summer

A

hemisphere tilted towards the sun

42
Q

how long ago did the weather become more regular

A

3,000 years ago

43
Q

what factors could cause a climate change

A

earths axis shape of orbit and distance from sun

44
Q

what human factors can cause climate change

A

energy consumption, deforestation, and industrial

45
Q

what is deforestation

A

involves large areas of forest land