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Light absorption and albedo reduction by pigmented microalgae on snow and ice

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Light absorption and albedo reduction by pigmented microalgae on snow and ice. / Chevrollier, Lou Anne; Cook, Joseph M.; Halbach, Laura et al.
In: Journal of Glaciology, Vol. 69, No. 274, 04.2023, p. 333-341.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Harvard

Chevrollier, LA, Cook, JM, Halbach, L, Jakobsen, H, Benning, LG, Anesio, AM & Tranter, M 2023, 'Light absorption and albedo reduction by pigmented microalgae on snow and ice', Journal of Glaciology, vol. 69, no. 274, pp. 333-341. https://doi.org/10.1017/jog.2022.64

APA

Chevrollier, L. A., Cook, J. M., Halbach, L., Jakobsen, H., Benning, L. G., Anesio, A. M., & Tranter, M. (2023). Light absorption and albedo reduction by pigmented microalgae on snow and ice. Journal of Glaciology, 69(274), 333-341. https://doi.org/10.1017/jog.2022.64

CBE

Chevrollier LA, Cook JM, Halbach L, Jakobsen H, Benning LG, Anesio AM, Tranter M. 2023. Light absorption and albedo reduction by pigmented microalgae on snow and ice. Journal of Glaciology. 69(274):333-341. https://doi.org/10.1017/jog.2022.64

MLA

Chevrollier, Lou Anne et al. "Light absorption and albedo reduction by pigmented microalgae on snow and ice". Journal of Glaciology. 2023, 69(274). 333-341. https://doi.org/10.1017/jog.2022.64

Vancouver

Chevrollier LA, Cook JM, Halbach L, Jakobsen H, Benning LG, Anesio AM et al. Light absorption and albedo reduction by pigmented microalgae on snow and ice. Journal of Glaciology. 2023 Apr;69(274):333-341. doi: 10.1017/jog.2022.64

Author

Chevrollier, Lou Anne ; Cook, Joseph M. ; Halbach, Laura et al. / Light absorption and albedo reduction by pigmented microalgae on snow and ice. In: Journal of Glaciology. 2023 ; Vol. 69, No. 274. pp. 333-341.

Bibtex

@article{c5cd35d2499f4de69330892b92785f5f,
title = "Light absorption and albedo reduction by pigmented microalgae on snow and ice",
abstract = "Pigmented microalgae inhabiting snow and ice environments lower the albedo of glacier and ice-sheet surfaces, significantly enhancing surface melt. Our ability to accurately predict their role in glacier and ice-sheet surface mass balance is limited by the current lack of empirical data to constrain their representation in predictive models. Here we present new empirical optical properties for snow and ice algae and incorporate them in a radiative transfer model to investigate their impact on snow and ice surface albedo. We found ice algal cells to be more efficient absorbers than snow algal cells, but their blooms had comparable impact on surface albedo due to the different photic conditions of their habitats. We then used the model to reconstruct the effect of ice algae on bare ice albedo spectra collected at our field site in southern Greenland, where blooms dropped the albedo locally by between 3 and 43%, equivalent to 1-10 L m d of melted ice. Using the newly parametrized model, future studies could investigate biological albedo reduction and algal quantification from remote hyperspectral and multispectral imagery.",
keywords = "Glacier modelling, glaciological model experiments, ice biology, melt-surface, snow/ice surface processes",
author = "Chevrollier, {Lou Anne} and Cook, {Joseph M.} and Laura Halbach and Hans Jakobsen and Benning, {Liane G.} and Anesio, {Alexandre M.} and Martyn Tranter",
note = "Publisher Copyright: Copyright {\textcopyright} The Author(s), 2022. Published by Cambridge University Press.",
year = "2023",
month = apr,
doi = "10.1017/jog.2022.64",
language = "English",
volume = "69",
pages = "333--341",
journal = "Journal of Glaciology",
issn = "0022-1430",
publisher = "International Glaciology Society",
number = "274",

}

RIS

TY - JOUR

T1 - Light absorption and albedo reduction by pigmented microalgae on snow and ice

AU - Chevrollier, Lou Anne

AU - Cook, Joseph M.

AU - Halbach, Laura

AU - Jakobsen, Hans

AU - Benning, Liane G.

AU - Anesio, Alexandre M.

AU - Tranter, Martyn

N1 - Publisher Copyright: Copyright © The Author(s), 2022. Published by Cambridge University Press.

PY - 2023/4

Y1 - 2023/4

N2 - Pigmented microalgae inhabiting snow and ice environments lower the albedo of glacier and ice-sheet surfaces, significantly enhancing surface melt. Our ability to accurately predict their role in glacier and ice-sheet surface mass balance is limited by the current lack of empirical data to constrain their representation in predictive models. Here we present new empirical optical properties for snow and ice algae and incorporate them in a radiative transfer model to investigate their impact on snow and ice surface albedo. We found ice algal cells to be more efficient absorbers than snow algal cells, but their blooms had comparable impact on surface albedo due to the different photic conditions of their habitats. We then used the model to reconstruct the effect of ice algae on bare ice albedo spectra collected at our field site in southern Greenland, where blooms dropped the albedo locally by between 3 and 43%, equivalent to 1-10 L m d of melted ice. Using the newly parametrized model, future studies could investigate biological albedo reduction and algal quantification from remote hyperspectral and multispectral imagery.

AB - Pigmented microalgae inhabiting snow and ice environments lower the albedo of glacier and ice-sheet surfaces, significantly enhancing surface melt. Our ability to accurately predict their role in glacier and ice-sheet surface mass balance is limited by the current lack of empirical data to constrain their representation in predictive models. Here we present new empirical optical properties for snow and ice algae and incorporate them in a radiative transfer model to investigate their impact on snow and ice surface albedo. We found ice algal cells to be more efficient absorbers than snow algal cells, but their blooms had comparable impact on surface albedo due to the different photic conditions of their habitats. We then used the model to reconstruct the effect of ice algae on bare ice albedo spectra collected at our field site in southern Greenland, where blooms dropped the albedo locally by between 3 and 43%, equivalent to 1-10 L m d of melted ice. Using the newly parametrized model, future studies could investigate biological albedo reduction and algal quantification from remote hyperspectral and multispectral imagery.

KW - Glacier modelling

KW - glaciological model experiments

KW - ice biology

KW - melt-surface

KW - snow/ice surface processes

UR - http://www.scopus.com/inward/record.url?scp=85140296635&partnerID=8YFLogxK

U2 - 10.1017/jog.2022.64

DO - 10.1017/jog.2022.64

M3 - Journal article

AN - SCOPUS:85140296635

VL - 69

SP - 333

EP - 341

JO - Journal of Glaciology

JF - Journal of Glaciology

SN - 0022-1430

IS - 274

ER -