Dr. Holger Vömel Research Scientist Cooperative Institute for Research in Environmental Sciences (CIRES) University of Colorado now at the GRUAN Lead Center Meteorologisches Observatorium Lindenberg German Weather Service

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Phone : +49 33677 60 244 Fax : +49 33677 60 280 Email : Holger.Voemel@dwd.de Holger.Voemel@colorado.edu

DWD Address: GRUAN Lead Center Meteorologisches Observatorium Lindenberg Deutscher Wetterdienst Am Observatorium 12 15848 Tauche / Lindenberg Germany

CIRES Address: Holger Vömel University of Colorado - CIRES Campus Box 216 Boulder, CO 80309

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Research Interests

Recent Publications

Vömel, H., D. E. David, and K. Smith (2007), Accuracy of tropospheric and stratospheric water vapor measurements by the cryogenic frost point hygrometer: Instrumental details and observations, J. Geophys. Res., 112, D08305, doi:10.1029/2006JD007224. download pdf

Vömel, H., H. Selkirk, L. Miloshevich, J. Valverde, J. Valdés, E. Kyrö, R.Kivi, W. Stolz, G. Peng, and J. A. Diaz, Radiation dry bias of the Vaisala RS92 humidity sensor, J. Atmos. Oceanic Technol., 24, 953-963, 2007. download pdf

Vömel, H, V. Yushkov, S. Khaykin, L. Korshunov, E. Kyrö, and R.Kivi, Intercomparisons of stratospheric water vapor sensors: FLASH-B and NOAA/CMDL frost point hygrometer, J. Atmos. Ocean. Tech., 24, 953-963, 2007. download pdf

Full list of publications

Partial list of powerpoint presentation

Work in Progress

• GCOS Reference Upper Air Network (GRUAN)
  
• Development of the Cryogenic Frostpoint Hygrometer (CFH)
• Measurements water vapor in the tropical and polar upper troposphere and stratosphere
  
• Comaprison of different humidity sensors
• Discussion of saturation vapor pressure formulations
• Software support for balloon borne measurments
• and
• Study of the environmental impact of dihydrogen monoxide in its vapor phase

Past Research Projects

• AURA validation measurements for water vapor and ozone.
• Ticosonde-Aura/CR-AVE 2006 and Ticosonde-Aura/TCSP 2005
• Soundings of Ozone and Water in the Equatorial Region/Pacific Mission (SOWER/ Pacific)
• Validation measurements for the AIRS instrument onboard the AQUA satellite.

Lapbiat Upper Troposphere Lower Stratosphere Water Vapor Validation Project (LAUTLOS)

AIRS Water Vapor EXperiment (AWEX)

Surface ozone measurements at San Cristobal, Galapagos, Ecuador: Piquero student project.

Validation measurements for SAGE III water vapor observations.

Measurements ClO in the upper troposphere and lower stratosphere.

Measurements of Antarctic dehydration.

More ...

Education

Links