Articles | Volume 10, issue 1
The Cryosphere, 10, 445–458, 2016
https://doi.org/10.5194/tc-10-445-2016
The Cryosphere, 10, 445–458, 2016
https://doi.org/10.5194/tc-10-445-2016
Research article
29 Feb 2016
Research article | 29 Feb 2016

Wind tunnel experiments: cold-air pooling and atmospheric decoupling above a melting snow patch

Rebecca Mott et al.

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For the first time, this contribution investigates atmospheric decoupling above melting snow in a wind tunnel study. High-resolution vertical profiles of sensible heat fluxes are measured directly over the melting snow patch. The study shows that atmospheric decoupling is strongly increased in topographic sheltering but only for low wind velocities. Then turbulent mixing close to the surface is strongly suppressed, facilitating the formation of cold-air pooling in local depressions.