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Weine Josefsson NOG XXV - Helsinki

Weine Josefsson NOG XXV - Helsinki. The effect on the ozone climatology from a revised calibration applied to Brewer #6, according to the outcome of the CEOS-campaign. Our courageous observers. Many hours outdoors freezing cold. Several days with various total ozone.

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Weine Josefsson NOG XXV - Helsinki

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  1. Weine Josefsson NOG XXV - Helsinki The effect on the ozone climatology from a revised calibration applied to Brewer #6, according to the outcome of the CEOS-campaign

  2. Our courageous observers Many hours outdoors freezing cold

  3. Several days with various total ozone Graph: Juan José R F & Alberto R M, AEMET, Izaña

  4. Cold weather – hot food

  5. Indoor workers

  6. Comparison of Brewers and Dobsons • Low solar elevation • Lowtemperatures Otherquestions • Assumedeffectivetemperaturesof the ozonelayer • Assumedheightof the ozonelayer • Bass-Paur vs new absorption coefficients

  7. Brewer double vs single monochromator • Problem of internally scattered light

  8. Single #6 and #37 + double #107 vs reference double # 185 Normal range for calibration ( Ozone * µ ) Graph: Juan José R F & Alberto R M, AEMET, Izaña

  9. Simple correction function for Brewer#6 ad hoc ( Ozone * µ )

  10. Correction applied on all daily data 1996 - 2011 Total ozone (DU) Vindeln Month

  11. Conclusion Shouldweusecalibrationfunctions ? Hmmm … • If you change from single to double Brewer there will be a systematic difference for a low sun Question

  12. The End

  13. NOG meetings III II II III

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