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6.1.1 The atmosphere forms the boundary between Earth and space. It is the outer limit of the biosphere and its composition and processes support life on Earth.
Work through the activities in the link below and then create a more aesthetic version of the first graphic.
6.1.2 Differential heating of the atmosphere creates the tricellular model of atmospheric circulation that redistributes the heat from the equator to the poles.
Describe the means by which heat is redistributed from the equator to the poles.
6.1.3 Greenhouse Gases (GHGs) and aerosols in the atmosphere absorb and re-emit some of the infrared (long-wave) radiation emitted from the Earth’s surface, preventing it from being radiated out into space.
They include the greenhouse gases water vapour, carbon dioxide, methane and nitrous oxide (N2O), and black carbon (aerosol).
6.1.4 The greenhouse effect keeps the Earth warmer than it otherwise would be due to the broad spectrum of the Sun’s radiation reaching the Earth’s surface and infrared radiation emitted by the warmed surface then being trapped and re-radiated by GHGs.
Draw a diagram to show the natural greenhouse effect.
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