The sensitivity of a one-dimensional thermodynamic sea ice model to changes in cloudiness
A thermodynamic sea ice-lead model is used to assess the importance of cloud cover changes to modeled ice thickness. For regions of either permanent multiyear ice or seasonal sea ice, the cloud amount variations have relatively little impact. However, for regions where the presence of summer ice is...
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ftnasantrs:oai:casi.ntrs.nasa.gov:19850033273 2023-05-15T18:16:28+02:00 The sensitivity of a one-dimensional thermodynamic sea ice model to changes in cloudiness Shine, K. P. Crane, R. G. Unclassified, Unlimited, Publicly available Nov 20, 1984 http://ntrs.nasa.gov/search.jsp?R=19850033273 unknown http://ntrs.nasa.gov/search.jsp?R=19850033273 Accession ID: 85A15424 Copyright Other Sources 48 Journal of Geophysical Research; 89; 10 1984 ftnasantrs 2012-02-15T16:16:20Z A thermodynamic sea ice-lead model is used to assess the importance of cloud cover changes to modeled ice thickness. For regions of either permanent multiyear ice or seasonal sea ice, the cloud amount variations have relatively little impact. However, for regions where the presence of summer ice is variable from year to year, the predicted ice thickness is strongly dependent on cloud cover. In general, with a snow covered surface, decreased cloud leads to surface cooling while increased cloud gives rise to a surface warming. For a melting bare ice surface, the reverse occurs. The ice model response time is too long for interannual variations in cloud amount to explain interannual variations in ice thickness and extent. Nevertheless, the implication of the results is that numerical modeling of sea ice distribution requires accurate cloud data or cloud prediction and that trends in cloud cover may lead to significant perturbations in sea ice extent and thickness. Other/Unknown Material Sea ice NASA Technical Reports Server (NTRS) |
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Open Polar |
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NASA Technical Reports Server (NTRS) |
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ftnasantrs |
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48 |
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48 Shine, K. P. Crane, R. G. The sensitivity of a one-dimensional thermodynamic sea ice model to changes in cloudiness |
topic_facet |
48 |
description |
A thermodynamic sea ice-lead model is used to assess the importance of cloud cover changes to modeled ice thickness. For regions of either permanent multiyear ice or seasonal sea ice, the cloud amount variations have relatively little impact. However, for regions where the presence of summer ice is variable from year to year, the predicted ice thickness is strongly dependent on cloud cover. In general, with a snow covered surface, decreased cloud leads to surface cooling while increased cloud gives rise to a surface warming. For a melting bare ice surface, the reverse occurs. The ice model response time is too long for interannual variations in cloud amount to explain interannual variations in ice thickness and extent. Nevertheless, the implication of the results is that numerical modeling of sea ice distribution requires accurate cloud data or cloud prediction and that trends in cloud cover may lead to significant perturbations in sea ice extent and thickness. |
format |
Other/Unknown Material |
author |
Shine, K. P. Crane, R. G. |
author_facet |
Shine, K. P. Crane, R. G. |
author_sort |
Shine, K. P. |
title |
The sensitivity of a one-dimensional thermodynamic sea ice model to changes in cloudiness |
title_short |
The sensitivity of a one-dimensional thermodynamic sea ice model to changes in cloudiness |
title_full |
The sensitivity of a one-dimensional thermodynamic sea ice model to changes in cloudiness |
title_fullStr |
The sensitivity of a one-dimensional thermodynamic sea ice model to changes in cloudiness |
title_full_unstemmed |
The sensitivity of a one-dimensional thermodynamic sea ice model to changes in cloudiness |
title_sort |
sensitivity of a one-dimensional thermodynamic sea ice model to changes in cloudiness |
publishDate |
1984 |
url |
http://ntrs.nasa.gov/search.jsp?R=19850033273 |
op_coverage |
Unclassified, Unlimited, Publicly available |
genre |
Sea ice |
genre_facet |
Sea ice |
op_source |
Other Sources |
op_relation |
http://ntrs.nasa.gov/search.jsp?R=19850033273 Accession ID: 85A15424 |
op_rights |
Copyright |
_version_ |
1766190084769447936 |