On the Origin of Ablation Hollows (Polygons) on Snow
Ablation polygons on snow have been examined, mainly in the Tatra Mountains, both by field observation and by experiment. The polygons are initiated under peculiar climatic conditions—mostly when the melting of snow is somewhat slow and is accompanied simultaneously by the metamorphism of snow. A th...
Published in: | Journal of Glaciology |
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Language: | English |
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Cambridge University Press (CUP)
1968
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Online Access: | http://dx.doi.org/10.1017/s0022143000031063 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0022143000031063 |
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crcambridgeupr:10.1017/s0022143000031063 2024-03-03T08:46:07+00:00 On the Origin of Ablation Hollows (Polygons) on Snow Jahn, Alfred Kłapa, Mieczyslaw 1968 http://dx.doi.org/10.1017/s0022143000031063 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0022143000031063 en eng Cambridge University Press (CUP) Journal of Glaciology volume 7, issue 50, page 299-312 ISSN 0022-1430 1727-5652 Earth-Surface Processes journal-article 1968 crcambridgeupr https://doi.org/10.1017/s0022143000031063 2024-02-08T08:41:37Z Ablation polygons on snow have been examined, mainly in the Tatra Mountains, both by field observation and by experiment. The polygons are initiated under peculiar climatic conditions—mostly when the melting of snow is somewhat slow and is accompanied simultaneously by the metamorphism of snow. A thick snow cover appears to be a prerequisite of this process. A detailed analysis of the problem of dirt concentration in snow, due to ablation, reveals the major role played by adhesion in this process. The concentration of dirt is due to lateral movement of the material and this is intrinsically related to the micro-elements of the snow surface. The origin and development of ablation polygons do not depend on the presence of dirt in the snow; on the contrary, the process of dirt concentration and its effects are dependent on the evolution of polygonal forms. Article in Journal/Newspaper Journal of Glaciology Cambridge University Press Journal of Glaciology 7 50 299 312 |
institution |
Open Polar |
collection |
Cambridge University Press |
op_collection_id |
crcambridgeupr |
language |
English |
topic |
Earth-Surface Processes |
spellingShingle |
Earth-Surface Processes Jahn, Alfred Kłapa, Mieczyslaw On the Origin of Ablation Hollows (Polygons) on Snow |
topic_facet |
Earth-Surface Processes |
description |
Ablation polygons on snow have been examined, mainly in the Tatra Mountains, both by field observation and by experiment. The polygons are initiated under peculiar climatic conditions—mostly when the melting of snow is somewhat slow and is accompanied simultaneously by the metamorphism of snow. A thick snow cover appears to be a prerequisite of this process. A detailed analysis of the problem of dirt concentration in snow, due to ablation, reveals the major role played by adhesion in this process. The concentration of dirt is due to lateral movement of the material and this is intrinsically related to the micro-elements of the snow surface. The origin and development of ablation polygons do not depend on the presence of dirt in the snow; on the contrary, the process of dirt concentration and its effects are dependent on the evolution of polygonal forms. |
format |
Article in Journal/Newspaper |
author |
Jahn, Alfred Kłapa, Mieczyslaw |
author_facet |
Jahn, Alfred Kłapa, Mieczyslaw |
author_sort |
Jahn, Alfred |
title |
On the Origin of Ablation Hollows (Polygons) on Snow |
title_short |
On the Origin of Ablation Hollows (Polygons) on Snow |
title_full |
On the Origin of Ablation Hollows (Polygons) on Snow |
title_fullStr |
On the Origin of Ablation Hollows (Polygons) on Snow |
title_full_unstemmed |
On the Origin of Ablation Hollows (Polygons) on Snow |
title_sort |
on the origin of ablation hollows (polygons) on snow |
publisher |
Cambridge University Press (CUP) |
publishDate |
1968 |
url |
http://dx.doi.org/10.1017/s0022143000031063 https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0022143000031063 |
genre |
Journal of Glaciology |
genre_facet |
Journal of Glaciology |
op_source |
Journal of Glaciology volume 7, issue 50, page 299-312 ISSN 0022-1430 1727-5652 |
op_doi |
https://doi.org/10.1017/s0022143000031063 |
container_title |
Journal of Glaciology |
container_volume |
7 |
container_issue |
50 |
container_start_page |
299 |
op_container_end_page |
312 |
_version_ |
1792502042970816512 |