Articles | Volume 14, issue 2
The Cryosphere, 14, 521–538, 2020
https://doi.org/10.5194/tc-14-521-2020
The Cryosphere, 14, 521–538, 2020
https://doi.org/10.5194/tc-14-521-2020

Research article 11 Feb 2020

Research article | 11 Feb 2020

Algal growth and weathering crust state drive variability in western Greenland Ice Sheet ice albedo

Andrew J. Tedstone 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
ED: Publish subject to revisions (further review by editor and referees) (12 Oct 2019) by Moritz Langer
AR by Andrew Tedstone on behalf of the Authors (15 Oct 2019)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (23 Oct 2019) by Moritz Langer
RR by Anonymous Referee #1 (31 Oct 2019)
ED: Publish subject to revisions (further review by editor and referees) (11 Nov 2019) by Moritz Langer
AR by Andrew Tedstone on behalf of the Authors (28 Nov 2019)  Author's response    Manuscript
ED: Publish subject to revisions (further review by editor and referees) (04 Dec 2019) by Moritz Langer
ED: Referee Nomination & Report Request started (11 Dec 2019) by Moritz Langer
RR by Anonymous Referee #1 (30 Dec 2019)
ED: Publish as is (06 Jan 2020) by Moritz Langer
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Short summary
Albedo describes how much light that hits a surface is reflected without being absorbed. Low-albedo ice surfaces melt more quickly. There are large differences in the albedo of bare-ice areas of the Greenland Ice Sheet. They are caused both by dark glacier algae and by the condition of the underlying ice. Changes occur over centimetres to metres, so satellites do not always detect real albedo changes. Estimates of melt made using satellite measurements therefore tend to be underestimates.