Articles | Volume 11, issue 5
The Cryosphere, 11, 2075–2087, 2017
https://doi.org/10.5194/tc-11-2075-2017
The Cryosphere, 11, 2075–2087, 2017
https://doi.org/10.5194/tc-11-2075-2017

Research article 05 Sep 2017

Research article | 05 Sep 2017

Wind enhances differential air advection in surface snow at sub-meter scales

Stephen A. Drake et al.

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Latest update: 25 Oct 2021
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Short summary
Reaction rates of radiatively and chemically active trace species are influenced by the mobility of air contained within the snowpack. By measuring wind speed and the evolution of a tracer gas with in situ sensors over a 1 m horizontal grid, we found that inhomogeneities in a single snow layer enhanced air movement unevenly as wind speed increased. This result suggests small-scale variability in reaction rates that increases with wind speed and variability in snow permeability.