The significance of vertical moisture diffusion on drifting snow sublimation near snow surface
Sublimation of blowing snow is an important parameter not only for the study of polar ice sheets and glaciers, but also for maintaining the ecology of arid and semi-arid lands. However, sublimation of near-surface blowing snow has often been ignored in previous studies. To study sublimation of near-...
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2017
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ftdoajarticles:oai:doaj.org/article:4b1b3fb85d044d9d9804ed035c4de66e 2023-05-15T18:32:25+02:00 The significance of vertical moisture diffusion on drifting snow sublimation near snow surface N. Huang G. Shi 2017-12-01T00:00:00Z https://doi.org/10.5194/tc-11-3011-2017 https://doaj.org/article/4b1b3fb85d044d9d9804ed035c4de66e EN eng Copernicus Publications https://www.the-cryosphere.net/11/3011/2017/tc-11-3011-2017.pdf https://doaj.org/toc/1994-0416 https://doaj.org/toc/1994-0424 doi:10.5194/tc-11-3011-2017 1994-0416 1994-0424 https://doaj.org/article/4b1b3fb85d044d9d9804ed035c4de66e The Cryosphere, Vol 11, Pp 3011-3021 (2017) Environmental sciences GE1-350 Geology QE1-996.5 article 2017 ftdoajarticles https://doi.org/10.5194/tc-11-3011-2017 2022-12-31T14:50:22Z Sublimation of blowing snow is an important parameter not only for the study of polar ice sheets and glaciers, but also for maintaining the ecology of arid and semi-arid lands. However, sublimation of near-surface blowing snow has often been ignored in previous studies. To study sublimation of near-surface blowing snow, we established a sublimation of blowing snow model containing both a vertical moisture diffusion equation and a heat balance equation. The results showed that although sublimation of near-surface blowing snow was strongly reduced by a negative feedback effect, due to vertical moisture diffusion, the relative humidity near the surface does not reach 100 %. Therefore, the sublimation of near-surface blowing snow does not stop. In addition, the sublimation rate near the surface is 3–4 orders of magnitude higher than that at 10 m above the surface and the mass of snow sublimation near the surface accounts for more than half of the total snow sublimation when the friction wind velocity is less than about 0.55 m s −1 . Therefore, the sublimation of near-surface blowing snow should not be neglected. Article in Journal/Newspaper The Cryosphere Directory of Open Access Journals: DOAJ Articles The Cryosphere 11 6 3011 3021 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Environmental sciences GE1-350 Geology QE1-996.5 |
spellingShingle |
Environmental sciences GE1-350 Geology QE1-996.5 N. Huang G. Shi The significance of vertical moisture diffusion on drifting snow sublimation near snow surface |
topic_facet |
Environmental sciences GE1-350 Geology QE1-996.5 |
description |
Sublimation of blowing snow is an important parameter not only for the study of polar ice sheets and glaciers, but also for maintaining the ecology of arid and semi-arid lands. However, sublimation of near-surface blowing snow has often been ignored in previous studies. To study sublimation of near-surface blowing snow, we established a sublimation of blowing snow model containing both a vertical moisture diffusion equation and a heat balance equation. The results showed that although sublimation of near-surface blowing snow was strongly reduced by a negative feedback effect, due to vertical moisture diffusion, the relative humidity near the surface does not reach 100 %. Therefore, the sublimation of near-surface blowing snow does not stop. In addition, the sublimation rate near the surface is 3–4 orders of magnitude higher than that at 10 m above the surface and the mass of snow sublimation near the surface accounts for more than half of the total snow sublimation when the friction wind velocity is less than about 0.55 m s −1 . Therefore, the sublimation of near-surface blowing snow should not be neglected. |
format |
Article in Journal/Newspaper |
author |
N. Huang G. Shi |
author_facet |
N. Huang G. Shi |
author_sort |
N. Huang |
title |
The significance of vertical moisture diffusion on drifting snow sublimation near snow surface |
title_short |
The significance of vertical moisture diffusion on drifting snow sublimation near snow surface |
title_full |
The significance of vertical moisture diffusion on drifting snow sublimation near snow surface |
title_fullStr |
The significance of vertical moisture diffusion on drifting snow sublimation near snow surface |
title_full_unstemmed |
The significance of vertical moisture diffusion on drifting snow sublimation near snow surface |
title_sort |
significance of vertical moisture diffusion on drifting snow sublimation near snow surface |
publisher |
Copernicus Publications |
publishDate |
2017 |
url |
https://doi.org/10.5194/tc-11-3011-2017 https://doaj.org/article/4b1b3fb85d044d9d9804ed035c4de66e |
genre |
The Cryosphere |
genre_facet |
The Cryosphere |
op_source |
The Cryosphere, Vol 11, Pp 3011-3021 (2017) |
op_relation |
https://www.the-cryosphere.net/11/3011/2017/tc-11-3011-2017.pdf https://doaj.org/toc/1994-0416 https://doaj.org/toc/1994-0424 doi:10.5194/tc-11-3011-2017 1994-0416 1994-0424 https://doaj.org/article/4b1b3fb85d044d9d9804ed035c4de66e |
op_doi |
https://doi.org/10.5194/tc-11-3011-2017 |
container_title |
The Cryosphere |
container_volume |
11 |
container_issue |
6 |
container_start_page |
3011 |
op_container_end_page |
3021 |
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1766216535511138304 |