Climate change Flashcards

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1
Q

Short-wave radiation

A

radiant energy that is visible and is coming from the sun

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2
Q

Long-wave radiation

A

electromagneticradiationof wavelengths between 3.0 and 100 µm. The waves that bounce off the earth

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3
Q

Convection

A

the transfer of heat by the movement of a gas or liquid

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4
Q

Conduction

A

the transfer of heat by contact

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5
Q

Greenhouse effect

A

The impact on the climate from external factors from humans such as factories

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6
Q

Thermosphere

A

A virtual vacuum

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7
Q

Mesosphere

A

Third layer of the atmosphere. Temperatures decrease as a result of increased altitude.

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8
Q

Stratosphere

A

One of earths layers, trapping heat and dust

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9
Q

Atmosphere

A

Most weather processes take place here, fall in temperature with height as atmosphere thins.

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10
Q

Positive feedback loop

A

speeds up global warming

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11
Q

negative feedback loop

A

slows down warming

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12
Q

An example of a negative feedback loop

A

The initial cooling of the earth

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13
Q

An example of a positive feedback loop

A

Increased climate change on the earth

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14
Q

Aerosols

A

Particles in the air that reflect sunlight into the atmosphere

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15
Q

what % of short wave radiation is absorbed into the earth

A

70%

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16
Q

what % of short wave radiation is reflected

A

30%

17
Q

enhanced greenhouse effect

A

the un-natural increase of gasses into the atmosphere

18
Q

green house effect

A

The heat that is trapped in the atmosphere by the 0 zone.

19
Q

Albedo

A

Ice melting and become less reflective.

20
Q

what is the Milankovitch cycle

A

It is the movement of the earth around the sun

21
Q

some natural contributors to the greenhouse effect

A

volcanos

22
Q

Global dimming

A

the reduction in light that enters an area due to factors such as increased cloud cover or smog.

23
Q

Example of greenhouse gasses

A

Carbon dioxide and methane

24
Q

What is one of the biggest contributors of emissions

A

energy (e.g burning fossil fuels)

25
Q

what is the net radiation balance

A

The difference between the two flows of radiation

26
Q

Countries that contribute the most to climate change

A

India, China and the US

27
Q

Countries that will be effected the worst with climate change

A

The pacific islands and Bangladesh

28
Q

What number of people in the world do not already have access to electricity

A

2 billion

29
Q

by which year does the UK want to reach zero carbon

A

2040

30
Q

zero carbon

A

when a country or organisation manages to emit zero greenhouse gasses into the atmosphere