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Geography IBDP > Global Climate > Flashcards

Global Climate Flashcards

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1
Q

Short wave radiation

A

Radiation coming from the sun

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2
Q

Long wave radiation

A

Radiation coming from the Earth

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3
Q

Positive feedback loop

A

speeds up warming

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4
Q

Negative feedback loop

A

slows down warming

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5
Q

Greenhouse effect

A

natural cycle + layer of greenhouse gasses which is needed for good temperatures

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6
Q

Enhanced greenhouse effect

A

more long wave radiation is trapped as there are more greenhouse gases

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7
Q

Global dimming

A

reduces the amount of short wave radiation from reaching the Earth thus reducing temperatures.

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8
Q

Albedo - warming

A

less snow = more absorption

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9
Q

Albedo - cooling

A

more snow = more reflection

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10
Q

sunspots - warming

A

more sunspots the more radiation released so more insolation

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11
Q

Sunspots - cooling

A

less sunspots the less radiation released

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12
Q

Milankovitch cycle - warming

A

elliptical summer is warmer with more extreme weather

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13
Q

Milankovitch cycle - cooling

A

elliptical winter is colder with more extreme weather

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14
Q

Volcano - warming

A

more greenhouse gases released into atmosphere

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15
Q

Volcano - cooling

A

more global dimming

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16
Q

earths tilt - warming

A

when tilted towards the sun the warmer

17
Q

earths tilt - cooling

A

when tilted away from the sun the colder the weather

18
Q

Convection

A

transfer of heat through movement of gas or liquid

19
Q

conduction

A

transfer of heat by contact

20
Q

Thermal expansion

A

matter changing in area, matter or space due to heat

21
Q

Acidification

A

CO2 dissolving into oceans making them more acidic

Geography IBDP (5 decks)

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