P7 Ideas in context

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  • Created by: Anna
  • Created on: 08-06-10 15:19

Photon model of radiation

Emission (from a source), transmission (through the atmosphere) and reflection/absorption (e.g by sulphate particles or leaves)

Composition of dry air

Nitrogen = 78%

Oxygen = 21 %

Hydrogen = 0.01 %

Argon = 0.1%

Carbon dioxide is also present in the atmosphere

Greenhouse gases

Water vapour, carbon dioxide, methane, nitrous oxide and ozone

Pollutants released by human activity

Sulfur oxides, Nitrogen oxides, Carbon monoxide and Carbon dioxide

The larger the ozone hole, the more greenhouse effect

The ozone


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