Articles | Volume 9, issue 6
The Cryosphere, 9, 2323–2337, 2015
https://doi.org/10.5194/tc-9-2323-2015

Special issue: Interactions between climate change and the Cryosphere: SVALI,...

The Cryosphere, 9, 2323–2337, 2015
https://doi.org/10.5194/tc-9-2323-2015

Research article 11 Dec 2015

Research article | 11 Dec 2015

Soot on Snow experiment: bidirectional reflectance factor measurements of contaminated snow

J. I. Peltoniemi et al.

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Jouni Peltoniemi on behalf of the Authors (26 Oct 2015)  Author's response    Manuscript
ED: Publish as is (16 Nov 2015) by Steffen M. Noe
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Short summary
Light-absorbing impurities change the reflectance of snow in different ways. Some particles are heated by the Sun and they sink out of sight. During the process, snow may look darker than pure snow when observed by nadir, but at larger view zenith angles the snow may look as white as clean snow. Thus an observer on the ground may overestimate the albedo, while a satellite underestimates the albedo. Climate studies need to examine how the contaminants behave in snow, not only their total amounts.