Prelims · 3 Physical & World Geography · 3.4 Atmosphere, temperature, pressure and winds

3.4.5 Distribution of temperature: isotherms, annual range and temperature inversion

Air temperature depends on latitude, altitude, distance from the sea, air masses and ocean currents; isotherm maps show these controls, the annual range shows continentality, and an inversion is the case where air gets warmer, not colder, with height.

  • APPSC Group 2 · Prelims
  • Standard level
  • 7 min read
  • Full course

Key terms

  • temperature
  • isotherms
  • lapse rate
  • 6.5 degrees
  • continentality
  • annual range
  • north-eastern Eurasia
  • thermal equator
  • temperature inversion
  • air drainage
  • frost pocket
  • fog
  • smog

What this note covers

  1. Core factsFoundation
  2. ExplainedStandard
  3. DeeperAdvanced
  4. Mains writingMains writing
  5. Common trapsFoundation
  6. Quick revisionFoundation

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