Climate Change Flashcards

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1
Q

Fluorinated (f) gas: GWP = 6500-9200, Persistence = 800-50000 years

A

PFC

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2
Q

Greenhouse gas: CH4, much is human caused (ag)

A

Methane

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3
Q

Fluorinated (f) gas: GWP = 23900, Persistence = 32000 years

A

SF6

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4
Q

Species like ____ are having reproductive troubles because they can’t reach breeding grounds, and if they do sometimes shifting ice makes it impossible for them to get back

A

penguins

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5
Q

GWP = 310, Persistence = 120 years

A

Nitrous oxides

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6
Q

Non-human influences: 11-year cycle of sun’s activity rising and falling (low impact)

A

Solar cycles

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7
Q

Non-human influences: source of NOx, COx, and SOx.

A

Volcanic Eruptions

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8
Q

Fluorinated (f) gas: GWP = 140-11700, Persistence = 1-270 years

A

HFC

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9
Q

There has been as many as ___ poles on Earth historically

A

8

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10
Q

Changing ___ ___ are posing severe issues for island communities

A

sea levels

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11
Q

Fish are dying because of ___ ___ in the ocean

A

dead zones

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12
Q

SF6, PFCs, and HFCs all replaced these

A

CFCs

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13
Q

scale for which carbon dioxide is the base (1)

A

Global Warming Potential (GWP)

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14
Q

“Good” volcanic eruptions release ___ which are aerosols that reflect solar radiation

A

SOx

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15
Q

Greenhouse gas: most abundant, not human caused

A

Water vapor

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16
Q

Type of event that killed 730+ in Chicago in 1995 and 35000+ in Europe in 2003

A

Heat wave

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17
Q

3 things we know for sure about climate change

A

the climate is changing, we are contributing to change, we are not solely responsible

18
Q

cancels itself

A

Negative Feedback Loop

19
Q

____ that haven’t dried in the past 100 years are starting to disappear

A

Wetlands

20
Q

Over 8.5 million acres were ___ in 2005 in the US

A

burned

21
Q

GWP = 21, Persistence = 10 years

A

Methane

22
Q

Non-human influences: When the magnetic poles of the Earth shift over time, Period: 300,000 years (High Impact)

A

Polar drift

23
Q

Greenhouse gas: SF6

A

Sulphur hexaflouride

24
Q

Solution that involves find the difference in projected carbon emissions and the goal, and creating “wedges” equal to 1 billion tons that you eliminate one at a time with small lifestyle changes

A

Socolow’s Wedges

25
Q

Greenhouse gas: N2O is an example (human caused, ag)

A

Nitrous oxides

26
Q

predictions based on past performance and pending actions

A

trends

27
Q

___ ___ are getting larger and more dangerous

A

Dust storms

28
Q

Substance with an 8% reflectivity level

A

Open water

29
Q

18% of the US was in moderate to extreme ____ drought in Nov 2005

A

drought

30
Q

reinforces itself

A

Positive Feedback Loop

31
Q

Non-human influences: Motion of earth’s axis and the shifting orbit of the Earth, Period: 22,000 years (High Impact)

A

Precession

32
Q

how long the gas will last once it is released into the atmosphere

A

Persistence

33
Q

Greenhouse gas: PFCs

A

Perfluorocarbons

34
Q

GWP = 1, Persistence = 300-1000 years

A

Carbon Dioxide

35
Q

Substance with an 85% reflectivity level

A

Snow

36
Q

refers to the reflectivity of a material

A

Albedo

37
Q

Non-human influences: group that includes solar cycles, obliquity, precession, and polar drift

A

Milankovitch cycles

38
Q

4 examples equivalent to “one wedge”

A

Double fuel efficiency, produce current coal with 2X efficiency, increase wind electricity 50X, adopt conservation tillage worldwide

39
Q

Greenhouse gas: HFCs

A

Hydrofluorocarbons

40
Q

Non-human influences: the tilt of the Earth on it’s axis changes, Period: 41,000 years (High Impact)

A

Obliquity

41
Q

“Bad” volcanic eruptions release ___ and ___ which are greenhouse gases

A

COx and NOx

42
Q

Greenhouse gas: 2nd most abundant, human caused

A

Carbon dioxide