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Lecture 1

Lecture 1. Paul Connolly Geraint Vaughan. Atmospheric composition. Other gases in trace amounts are water vapour, carbon dioxide and ozone. Atmospheric composition. http://www.cira.colostate.edu/people/view.php?id=65. Images taken from google images. Radiosondes. Vaisala RS80.

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Lecture 1

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  1. Lecture 1 Paul Connolly Geraint Vaughan

  2. Atmospheric composition Other gases in trace amounts are water vapour, carbon dioxide and ozone.

  3. Atmospheric composition http://www.cira.colostate.edu/people/view.php?id=65 Images taken from google images.

  4. Radiosondes Vaisala RS80 Vaisala RS92 European radiosonde stations (launch 00 and 12 UTC) Launching a radiosonde Data available from: http://weather.uwyo.edu/upperair/sounding.html

  5. Examples of radiosonde profiles: temperature vs height stratosphere stratosphere T T troposphere troposphere I stratosphere stratosphere T troposphere T T : tropopause; I: inversion (top of boundary layer in this case) troposphere I

  6. Examples of radiosonde profiles: potential temperature vs height Note: θ always increases with height – we can use θ as a vertical coordinate in the stratosphere

  7. Dropsondes from aircraft

  8. VOCALS field project

  9. Examples of potential temperature profiles from VOCALS Note general trend that height of the inversion increases as we move out to sea. This is due to mixing taking place at the interface of the inversion. Geraint will talk more about stability next lecture.

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