Spectral characterization, radiative forcing and pigment content of coastal Antarctic snow algae: approaches to spectrally discriminate red and green communities and their impact on snowmelt

Khan, Alia L.; Dierssen, Heidi M.; Scambos, Ted A.; Höfer, Juan; Cordero, Raul R.

doi:https://doi.org/10.5194/tc-15-133-2021

Articles | Volume 15, issue 1

https://doi.org/10.5194/tc-15-133-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/tc-15-133-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 15, issue 1

Research article

|

13 Jan 2021

Research article |

| 13 Jan 2021

Spectral characterization, radiative forcing and pigment content of coastal Antarctic snow algae: approaches to spectrally discriminate red and green communities and their impact on snowmelt

Alia L. Khan, Heidi M. Dierssen, Ted A. Scambos, Juan Höfer, and Raul R. Cordero

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Final revised paper (published on 13 Jan 2021)
Preprint (discussion started on 10 Aug 2020)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Reviewer comments: interesting work', Anonymous Referee #1, 01 Sep 2020
- AC1: 'Author’s Response to Reviewer 1', Alia Khan, 15 Oct 2020
RC2: 'comments', Yangyang Liu, 17 Sep 2020
- AC2: 'Author’s Response to Reviewer 2', Alia Khan, 15 Oct 2020

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Reconsider after major revisions (further review by editor and referees) (15 Oct 2020) by Christian Haas

AR by Alia Khan on behalf of the Authors (15 Oct 2020) Author's response Manuscript

ED: Referee Nomination & Report Request started (16 Oct 2020) by Christian Haas

RR by Anonymous Referee #1 (05 Nov 2020)

ED: Publish as is (13 Nov 2020) by Christian Haas

AR by Alia Khan on behalf of the Authors (14 Nov 2020)

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Short summary

We present radiative forcing (RF) estimates by snow algae in the Antarctic Peninsula (AP) region from multi-year measurements of solar radiation and ground-based hyperspectral characterization of red and green snow algae collected during a brief field expedition in austral summer 2018. Mean daily RF was double for green (~26 W m⁻²) vs. red (~13 W m⁻²) snow algae during the peak growing season, which is on par with midlatitude dust attributions capable of advancing snowmelt.