When you have read this chapter you will:
Be familiar with the composition of the atmosphere - its gases and other constituents, Understand how and why the distribution of trace gases and aerosols varies with height, latitude and time, Know how atmospheric pressure, density and water vapour pressure vary with altitude, Be familiar with the vertical layers of the atmosphere, their terminology and significance.
This chapter describes the composition of the atmosphere - its major gases and impurities, their vertical distribution, and variations through time. The various greenhouse gases and their significance are discussed. It also examines the vertical distribution of atmospheric mass and the structure of the atmosphere, particularly the vertical variation of temperature.
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Global warming is a huge problem which will significantly affect every country in the world. Many people all over the world are trying to do whatever they can to help combat the effects of global warming. One of the ways that people can fight global warming is to reduce their dependence on non-renewable energy sources like oil and petroleum based products.