Articles | Volume 18, issue 12
Atmos. Chem. Phys., 18, 8909–8927, 2018
Atmos. Chem. Phys., 18, 8909–8927, 2018

Research article 27 Jun 2018

Research article | 27 Jun 2018

Impact of surface and near-surface processes on ice crystal concentrations measured at mountain-top research stations

Alexander Beck et al.

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Subject: Clouds and Precipitation | Research Activity: Field Measurements | Altitude Range: Troposphere | Science Focus: Physics (physical properties and processes)
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Cited articles

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Beck, A., Henneberger, J., Schöpfer, S., Fugal, J., and Lohmann, U.: HoloGondel: in situ cloud observations on a cable car in the Swiss Alps using a holographic imager, Atmos. Meas. Tech., 10, 459–476,, 2017. a, b
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Short summary
This study assesses the impact of surface processes (e.g. blowing snow) on in situ cloud observations at Sonnblick Observatory. Vertical profiles of ice crystal number concentrations (ICNCs) above a snow-covered surface were observed up to a height of 10 m. The ICNC near the ground is at least a factor of 2 larger than at 10 m. Therefore, in situ measurements of ICNCs at mountain-top research stations close to the surface are strongly influenced by surface processes and overestimate the ICNC.
Final-revised paper