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WG1 Summary

WG1 Summary. Our Role / our Goal. O3 rather well covered by existing databases (NDSC, GAW, WOUDC) Inconsistency of humidity data sets most prominent issue on global scale focus on this Required simultaneous temperature for conversion of absolute / relative humidity.

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WG1 Summary

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  1. WG1Summary

  2. Our Role / our Goal • O3 rather well covered by existing databases (NDSC, GAW, WOUDC) • Inconsistency of humidity data sets most prominent issue on global scalefocus on this • Required simultaneous temperature for conversion of absolute / relative humidity

  3. Data Access / Exchange / Sharing • Data leaflet for the Actions internal use(Marion Mueller) • What data is there • Contact person • Not secret, but with limited scope, focus on practical information, not in-depth

  4. Quality Control • Intercomparison studies • In situ / 1-on-1 • Satellite as transfer standard • Work out accuracy and relative / mutual bias • Summarize / document by ACP(?) special issue in 2 years

  5. Activities • Radiosonde (operational / research) • Lidar • Operational met. Satellites • Envisat (MIPAS / SCIA) • Champ • In-service aircraft (MOZAIC) • Microwave (uplooking / limb-looking)

  6. Radiosonde Activities • 1-on-1 intercomparison: LAUTLOS(Esko Kyro) • Satellite-based RS station survey(Stefan Buehler / Viju Oommen) • Collect Q.C.’ed high resolution radiosonde data set(Ulrich Leiterer) • Better correction algorithms

  7. Lidar Activities • Very promising, as shown by Brian on Thursday NDSC (Phillippe Keckhut) / EARLINET (Valentin Simeonov) • Calibration standards • Overview at next workshop(Phillipe Keckhut / Marion Mueller) • Satellite intercomparison?(Stefan Buehler) • Other intercomparison activities?

  8. Met. Satellite Activities • 3 year AMSU UTH climatology(Stefan Buehler) • Intercomparison activities with RS, etc.

  9. MIPAS Activities • Select LAUTLOS matches and compare to in-situ sensors(Matthias Milz)

  10. CHAMP Activities • Compare LS temperatures to ECMWF(Torsten Schmidt)

  11. Microwave Activities • Bern aircraft radiometer @ LAUTLOS(Dietrich Feist / Nik Kaempfer) • Report on MARSCHALS data after first test flight?(Victoria Jay)

  12. Time Schedule • Until mid-term workshop:Intercomparison activities • After mid-term workshop:Documentation / publication • Goal: Special Issue at the end of the action

  13. New UTLS Satellite Missions • Should Action make a statement stressing the importance of better measurements of UTH? (Cirrus?) • Invite to next workshop the missions with UTLS focus that are selected in Frascati

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