Climate Flashcards

(50 cards)

1
Q

weather of a region over an extended period

A

climate

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2
Q

elements of climate

A

temperature - precipitation - latitude - distribution of land and water - wind belts - monsoons - oceanic currents - vegetative cover - elevation - mountainranges

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3
Q

primary factor of temperature and control, determines angle and duration of insulation

A

latitude

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4
Q

unequal rates of heating and cooling bodies of land and water

A

distribution of land and water

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5
Q

systems of convection cells resulting from alternating low and high pressure belts

A

wind belts

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6
Q

seasonally reversing system of surface winds caused by temp. differences between land and ocean

A

monsoons

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7
Q

transfers heat from the equator towards the poles

A

oceanic currents

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8
Q

plays a role in water cycle

A

vegetative cover

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9
Q

gradual decrease in ave. temp. or pressure within elevation

A

elevation

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10
Q

serve as barriers to outbreaks of cold air; protect inland from severe storm

A

mountainranges

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11
Q

show dominance of special combination of air-mass source regions; based on biomes

A

basic climate groups

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12
Q

controlled by equitorial/tropical air masses

A

low-latitude climates

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13
Q

examples of low-latitude climates

A

rainforest - savanna - desert

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14
Q

tropical moist; rainfall is heavy in all months, rain often exceed 250cm; summers are very warm and humid

A

rainforest

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15
Q

wet-dry tropical; very wet season and very dry season

A

savanna

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16
Q

dry-tropical; covers 12% of the Earth’s surface

A

desert

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17
Q

tropical air masses moving towards the pole

polar air masses moving towards the equator

A

mid-latitude climates

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18
Q

types of mid-lat climates

A

steppe - chaparral - grassland - deciduos forest

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19
Q

dry mid-latitude; grassland; semi-arid climate

A

steppe

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20
Q

mediterranean; wet winter; dry summer

A

chaparral

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21
Q

dry mid-latitude; dry climate (limited to NORTH AMERICA and EURASIA)

22
Q

moist continental; climate in the polar front zone

A

deciduous forest

23
Q

polar arctic masses dominate

A

high-latitude climates

24
Q

types of high-lat climates

A

taiga - tundra - alpine

25
boreal forest; continental climate: long, cold winders; short, cool summers
taiga
26
found among coastal areas; winter is long and severe and there is no true summer
tundra
27
highland climate; cool to cold; mountains and plateaus; altitude > latitude
alpine
28
factors of climate change
changes in output of energy by sun variation in the tile of the Earth's axis of rotation blocking of incoming solar radiation by pressure in atmosphere in human activity
29
indicators of climate change
global warming; el nino & la nina
30
natural and/or artificial fluctuations in global temperatures
global warming
31
around 30% of light radiated towards the Earth is bounced by outer atmosphere and is scatted back into space
greenhouse effect
32
remainder touches the planet's surface and is mirrored up again as a form of slow-moving energy called
infrared radiation
33
heat produced by infrared radiation is absorbed by what
greenhouse gases
34
examples of greenhouse gases
water vapor - carbon dioxide - ozone - methane
35
causes of greenhouse gases
fossil fuel emissions (heightens greenhouse gas concentration)
36
effects of greenhouse gases
earth's average temperature increases snow melts, increasing sea level and decreasing land surface many organisms will lose habitat due to flooding
37
lessening production of greenhouse gases is what
kyoto protocol
38
results form a band of warm ocean temperatures that occasionally develops off the western coasts of SOUTH AMERICA and can cause climactic changes across the pacific ocean
el nino and la nina
39
high air surface pressure in western pacific cool nutrient-rich sea water is displaced by warmer water which is depleted of nutrients, resulting into a significant decline in marine life
el nino
40
low air surface pressure in the western pacific
la nina
41
excessive use of natural resources, introduction of pollutants to nature, production of harmful chemicals, etc.
human activities
42
effects of air pollution
reduced oxygen-carrying capacity of blood lung cancer global warming acid rain (sulfuric acid and nitric acid caused by sulfur oxide and nitrogen oxide reacting with water)
43
area of thinning ozone layer (measured every october, INCREASE in size)
ozone hole
44
effects of ozone hole
health hazards
45
lessening on substances that deplete the ozone layer is called
montreal protocol
46
no danger
0-2
47
little risk/harm (from unprotected sun exposure)
3-5
48
high risk/harm (from unprotected sun exposure)
6-7
49
very high risk/harm (from unprotected sun exposure)
8-10
50
extreme risk/harm
11-15