Articles | Volume 9, issue 3
Atmos. Meas. Tech., 9, 939–953, 2016

Special issue: ML-CIRRUS – the airborne experiment on natural cirrus...

Atmos. Meas. Tech., 9, 939–953, 2016

Research article 07 Mar 2016

Research article | 07 Mar 2016

The airborne mass spectrometer AIMS – Part 1: AIMS-H2O for UTLS water vapor measurements

Stefan Kaufmann et al.

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Cited articles

Chen, J.: Direct Current Corona-Enhanced Chemical Reactions, PhD Thesis, Department of Mechanical Engineering, University of Minnesota, 2002.
Cunningham, A. J., Payzant, J. D., and Kebarle, P.: Kinetic study of the proton hydrate H+(H2O)n equilibriums in the gas phase, J. Am. Chem. Soc., 94, 7627–7632,, 1972.
Dinh, T. and Fueglistaler, S.: Microphysical, radiative, and dynamical impacts of thin cirrus clouds on humidity in the tropical tropopause layer and lower stratosphere, Geophys. Res. Lett., 41, 6949–6955,, 2014.
Dinh, T., Fueglistaler, S., Durran, D., and Ackerman, T.: Cirrus and water vapour transport in the tropical tropopause layer – Part 2: Roles of ice nucleation and sedimentation, cloud dynamics, and moisture conditions, Atmos. Chem. Phys., 14, 12225–12236,, 2014.
Short summary
We present the development of a new airborne mass spectrometer AIMS-H2O for the fast and accurate measurement of water vapor in the upper troposphere and lower stratosphere. The high accuracy needed for e.g. quantification of atmospheric water vapor transport processes or cloud formation is achieved by an in-flight calibration of the instrument. AIMS-H2O is deployed on the DLR research aircraft HALO and Falcon where it covers a range of water vapor mixing ratios from 1 to 500 ppmv.