Global Warming Flashcards

1
Q

what happens to sunlight?

A

half is absorbed by the ground, 20% is absrobed by clouds, and the rest is relected

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2
Q

half is absorbed by the ground, 20% is absrobed by clouds, and the rest is relected

A

what happens to sunlight?

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3
Q

peak frequency of a blackbody

A

2897/(temp in K)

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4
Q

2897/(temp in K)

A

Peak frequency of a Blackbocy

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5
Q

What happens when IR is absorbed

A

the particle will either re-emit it or release the energy as heat.

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6
Q

the particle will either re-emit it or release the energy as heat.

A

What happens when IR is absorbed

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7
Q

requirements for IR absorbtion

A

the molecule must vibrate at the same frequency as the light wave, and some form of dipole must be present.

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8
Q

the molecule must vibrate at the same frequency as the light wave, and some form of dipole must be present.

A

requirements for IR absorbtion

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9
Q

types of vibrations

A

changes in bond leingth and changes in bond angle.

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10
Q

changes in bond leingth and changes in bond angle.

A

Types of Vibrations

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11
Q

Spectral window

A

Ranges where natural greenhouse gasses (Such as CO2) don’t absorb IR

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12
Q

Ranges where natural greenhouse gasses (Such as CO2) don’t absorb IR

A

Spectral window

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13
Q

waveleingth to wavenumber.

A

1/(wavelingth in cm)

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14
Q

1/(wavelingth in cm)

A

waveleingth to wavenumber

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15
Q

CO2 sinks

A

the only long term sink is deposition on the seaflloor

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16
Q

the only long term sink is deposition on the seaflloor

A

CO2 sinks

17
Q

Global Warming potential (GWP)

A

Measures how likely that chemical is to cause warming, in multiples of carbon’s effect

18
Q

Measures how likely that chemical is to cause warming, in multiples of carbon’s effect

A

Global Warming Potential (GWP)

19
Q

the most important natural greenhouse gass

A

water, but it’s not important for most global warming calculations

20
Q

water, but it’s not important for most global warming calculations

A

the most important natural greenhouse gass

21
Q

Methane

A

a GWP of 23, covers a spectral window

22
Q

a GWP of 23, covers a spectral window

A

Methane

23
Q

major factors in determining the effect of a greenhouse gass.

A

Does it cover a window? How efficiently does it absorb? How long does it stay in the atmosphere?

24
Q

Does it cover a window? How efficiently does it absorb? How long does it stay in the atmosphere?

A

major factors in determining the effect of a greenhouse gass.