Impact of snow‐albedo feedback termination on terrestrial surface climate at midhigh latitudes: Sensitivity experiments with an atmospheric general circulation model
Abstract To examine the effect of the snow‐albedo feedback (SAF) on the current surface climate across terrestrial regions at mid–high latitudes, we perform a series of idealized sensitivity experiments using an atmospheric general circulation model (AGCM), in which the snow albedo is assumed to be...
Published in: | International Journal of Climatology |
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crwiley:10.1002/joc.7448 2024-06-02T07:54:30+00:00 Impact of snow‐albedo feedback termination on terrestrial surface climate at midhigh latitudes: Sensitivity experiments with an atmospheric general circulation model Abe, Manabu 2021 http://dx.doi.org/10.1002/joc.7448 https://onlinelibrary.wiley.com/doi/pdf/10.1002/joc.7448 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/joc.7448 https://rmets.onlinelibrary.wiley.com/doi/pdf/10.1002/joc.7448 en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor International Journal of Climatology volume 42, issue 7, page 3838-3860 ISSN 0899-8418 1097-0088 journal-article 2021 crwiley https://doi.org/10.1002/joc.7448 2024-05-03T11:55:29Z Abstract To examine the effect of the snow‐albedo feedback (SAF) on the current surface climate across terrestrial regions at mid–high latitudes, we perform a series of idealized sensitivity experiments using an atmospheric general circulation model (AGCM), in which the snow albedo is assumed to be considerably smaller than that in the control experiment. When the snow albedo is reduced, the fall and spring surface air temperatures (SATs) in northern Eurasia are considerably higher than those in the control experiment. Particularly, the spring SAT at terrestrial high latitudes rises by more than 10°C, due to low snow albedo. Despite the small surface snow albedo during both fall and spring, the fall temperature difference between the two experiments is smaller than that during spring. The feedback with the hydrological effect, which accelerates snowmelt, is either nonexistent or weak during periods of seasonally low air temperatures. This result indicates that the hydrological effect significantly influences the SAF, and different magnitudes of the hydrological effect including cloud differences are a possible source of SAF uncertainty between models. The radiative albedo effect also impacts the evolution of the snow area in central Asia and eastern Europe through changes in lateral water vapour transport. Furthermore, the experiments indicate that the cooling effect of snow on land is necessary for the strength of the Siberian High and the pattern of Arctic Oscillation, suggesting that snow cover may also significantly extend the duration of Arctic Oscillation effects. Article in Journal/Newspaper albedo Arctic Wiley Online Library Arctic International Journal of Climatology 42 7 3838 3860 |
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Open Polar |
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Wiley Online Library |
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crwiley |
language |
English |
description |
Abstract To examine the effect of the snow‐albedo feedback (SAF) on the current surface climate across terrestrial regions at mid–high latitudes, we perform a series of idealized sensitivity experiments using an atmospheric general circulation model (AGCM), in which the snow albedo is assumed to be considerably smaller than that in the control experiment. When the snow albedo is reduced, the fall and spring surface air temperatures (SATs) in northern Eurasia are considerably higher than those in the control experiment. Particularly, the spring SAT at terrestrial high latitudes rises by more than 10°C, due to low snow albedo. Despite the small surface snow albedo during both fall and spring, the fall temperature difference between the two experiments is smaller than that during spring. The feedback with the hydrological effect, which accelerates snowmelt, is either nonexistent or weak during periods of seasonally low air temperatures. This result indicates that the hydrological effect significantly influences the SAF, and different magnitudes of the hydrological effect including cloud differences are a possible source of SAF uncertainty between models. The radiative albedo effect also impacts the evolution of the snow area in central Asia and eastern Europe through changes in lateral water vapour transport. Furthermore, the experiments indicate that the cooling effect of snow on land is necessary for the strength of the Siberian High and the pattern of Arctic Oscillation, suggesting that snow cover may also significantly extend the duration of Arctic Oscillation effects. |
format |
Article in Journal/Newspaper |
author |
Abe, Manabu |
spellingShingle |
Abe, Manabu Impact of snow‐albedo feedback termination on terrestrial surface climate at midhigh latitudes: Sensitivity experiments with an atmospheric general circulation model |
author_facet |
Abe, Manabu |
author_sort |
Abe, Manabu |
title |
Impact of snow‐albedo feedback termination on terrestrial surface climate at midhigh latitudes: Sensitivity experiments with an atmospheric general circulation model |
title_short |
Impact of snow‐albedo feedback termination on terrestrial surface climate at midhigh latitudes: Sensitivity experiments with an atmospheric general circulation model |
title_full |
Impact of snow‐albedo feedback termination on terrestrial surface climate at midhigh latitudes: Sensitivity experiments with an atmospheric general circulation model |
title_fullStr |
Impact of snow‐albedo feedback termination on terrestrial surface climate at midhigh latitudes: Sensitivity experiments with an atmospheric general circulation model |
title_full_unstemmed |
Impact of snow‐albedo feedback termination on terrestrial surface climate at midhigh latitudes: Sensitivity experiments with an atmospheric general circulation model |
title_sort |
impact of snow‐albedo feedback termination on terrestrial surface climate at midhigh latitudes: sensitivity experiments with an atmospheric general circulation model |
publisher |
Wiley |
publishDate |
2021 |
url |
http://dx.doi.org/10.1002/joc.7448 https://onlinelibrary.wiley.com/doi/pdf/10.1002/joc.7448 https://onlinelibrary.wiley.com/doi/full-xml/10.1002/joc.7448 https://rmets.onlinelibrary.wiley.com/doi/pdf/10.1002/joc.7448 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
albedo Arctic |
genre_facet |
albedo Arctic |
op_source |
International Journal of Climatology volume 42, issue 7, page 3838-3860 ISSN 0899-8418 1097-0088 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1002/joc.7448 |
container_title |
International Journal of Climatology |
container_volume |
42 |
container_issue |
7 |
container_start_page |
3838 |
op_container_end_page |
3860 |
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1800740700172582912 |