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p. 11. The atmospherelocked

  • Storm Dunlop


‘The atmosphere’ describes the different layers of the atmosphere and the boundaries between them—troposphere, tropopause, stratosphere, mesopause, mesosphere, ionosphere, and thermosphere—and explains why temperature generally declines with increased altitude: a decrease in pressure causes a parcel of air to expand and cool. The change in temperature with altitude is known as the lapse rate and any decrease or increase in lapse rate is known as an inversion. The inversion at the top of the troposphere is a major feature, always present in the atmosphere. The measuring and charting of atmospheric pressure using barometers is described along with the composition of the atmosphere and the greenhouse effect is explained.

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