Is snow sublimation important in the alpine water balance?
In alpine terrain, snow sublimation represents an important component of the winter moisture budget, representing a proportion of precipitation which does not contribute to melt. To quantify its amount we analyze the spatial pattern of snow sublimation at the ground, from a canopy and from turbulent...
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2008
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ftnonlinearchiv:oai:noa.gwlb.de:cop_mods_00031513 2023-05-15T18:32:32+02:00 Is snow sublimation important in the alpine water balance? Strasser, U. Bernhardt, M. Weber, M. Liston, G. E. Mauser, W. 2008-05 electronic https://doi.org/10.5194/tc-2-53-2008 https://noa.gwlb.de/receive/cop_mods_00031513 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00031467/tc-2-53-2008.pdf https://tc.copernicus.org/articles/2/53/2008/tc-2-53-2008.pdf eng eng Copernicus Publications The Cryosphere -- ˜Theœ Cryosphere -- http://www.bibliothek.uni-regensburg.de/ezeit/?2393169 -- http://www.the-cryosphere.net/ -- 1994-0424 https://doi.org/10.5194/tc-2-53-2008 https://noa.gwlb.de/receive/cop_mods_00031513 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00031467/tc-2-53-2008.pdf https://tc.copernicus.org/articles/2/53/2008/tc-2-53-2008.pdf uneingeschränkt info:eu-repo/semantics/openAccess article Verlagsveröffentlichung article Text doc-type:article 2008 ftnonlinearchiv https://doi.org/10.5194/tc-2-53-2008 2022-02-08T22:46:40Z In alpine terrain, snow sublimation represents an important component of the winter moisture budget, representing a proportion of precipitation which does not contribute to melt. To quantify its amount we analyze the spatial pattern of snow sublimation at the ground, from a canopy and from turbulent suspension during wind-induced snow transport for a high alpine area in the Berchtesgaden National Park (Germany), and we discuss the efficiency of these processes with respect to seasonal snowfall. Therefore, we utilized interpolated meteorological recordings from a network of automatic stations, and a distributed simulation framework comprising validated, physically based models. The applied simulation tools were: a detailed model for shortwave and longwave radiative fluxes, a mass and energy balance model for the ground snow cover, a model for the microclimatic conditions within a forest canopy and related snow-vegetation interactions including snow sublimation from the surface of the trees, and a model for the simulation of wind-induced snow transport and related sublimation from suspended snow particles. For each of the sublimation processes, mass rates were quantified and aggregated over an entire winter season. Sublimation from the ground and from most canopy types are spatially relatively homogeneous and sum up to about 100 mm of snow water equivalent (SWE) over the winter period. Accumulated seasonal sublimation due to turbulent suspension is small in the valley areas, but can locally, at very wind-exposed mountain ridges, add up to more than 1000 mm of SWE. The fraction of these sublimation losses of winter snowfall is between 10 and 90%. Article in Journal/Newspaper The Cryosphere Niedersächsisches Online-Archiv NOA The Cryosphere 2 1 53 66 |
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English |
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article Verlagsveröffentlichung |
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article Verlagsveröffentlichung Strasser, U. Bernhardt, M. Weber, M. Liston, G. E. Mauser, W. Is snow sublimation important in the alpine water balance? |
topic_facet |
article Verlagsveröffentlichung |
description |
In alpine terrain, snow sublimation represents an important component of the winter moisture budget, representing a proportion of precipitation which does not contribute to melt. To quantify its amount we analyze the spatial pattern of snow sublimation at the ground, from a canopy and from turbulent suspension during wind-induced snow transport for a high alpine area in the Berchtesgaden National Park (Germany), and we discuss the efficiency of these processes with respect to seasonal snowfall. Therefore, we utilized interpolated meteorological recordings from a network of automatic stations, and a distributed simulation framework comprising validated, physically based models. The applied simulation tools were: a detailed model for shortwave and longwave radiative fluxes, a mass and energy balance model for the ground snow cover, a model for the microclimatic conditions within a forest canopy and related snow-vegetation interactions including snow sublimation from the surface of the trees, and a model for the simulation of wind-induced snow transport and related sublimation from suspended snow particles. For each of the sublimation processes, mass rates were quantified and aggregated over an entire winter season. Sublimation from the ground and from most canopy types are spatially relatively homogeneous and sum up to about 100 mm of snow water equivalent (SWE) over the winter period. Accumulated seasonal sublimation due to turbulent suspension is small in the valley areas, but can locally, at very wind-exposed mountain ridges, add up to more than 1000 mm of SWE. The fraction of these sublimation losses of winter snowfall is between 10 and 90%. |
format |
Article in Journal/Newspaper |
author |
Strasser, U. Bernhardt, M. Weber, M. Liston, G. E. Mauser, W. |
author_facet |
Strasser, U. Bernhardt, M. Weber, M. Liston, G. E. Mauser, W. |
author_sort |
Strasser, U. |
title |
Is snow sublimation important in the alpine water balance? |
title_short |
Is snow sublimation important in the alpine water balance? |
title_full |
Is snow sublimation important in the alpine water balance? |
title_fullStr |
Is snow sublimation important in the alpine water balance? |
title_full_unstemmed |
Is snow sublimation important in the alpine water balance? |
title_sort |
is snow sublimation important in the alpine water balance? |
publisher |
Copernicus Publications |
publishDate |
2008 |
url |
https://doi.org/10.5194/tc-2-53-2008 https://noa.gwlb.de/receive/cop_mods_00031513 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00031467/tc-2-53-2008.pdf https://tc.copernicus.org/articles/2/53/2008/tc-2-53-2008.pdf |
genre |
The Cryosphere |
genre_facet |
The Cryosphere |
op_relation |
The Cryosphere -- ˜Theœ Cryosphere -- http://www.bibliothek.uni-regensburg.de/ezeit/?2393169 -- http://www.the-cryosphere.net/ -- 1994-0424 https://doi.org/10.5194/tc-2-53-2008 https://noa.gwlb.de/receive/cop_mods_00031513 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00031467/tc-2-53-2008.pdf https://tc.copernicus.org/articles/2/53/2008/tc-2-53-2008.pdf |
op_rights |
uneingeschränkt info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5194/tc-2-53-2008 |
container_title |
The Cryosphere |
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2 |
container_issue |
1 |
container_start_page |
53 |
op_container_end_page |
66 |
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1766216663266492416 |