Lidar detection of leads in Arctic sea ice
REMOTE sensing using an airborne infrared lidar has shown an unexpected capability to detect open leads in Arctic sea ice and their associated meteorology in winter. It is shown here that vertical profiles of backscattered radiation demonstrate strong returns from hydrometeor plumes originating from...
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ftnasantrs:oai:casi.ntrs.nasa.gov:19890056697 2023-05-15T14:36:54+02:00 Lidar detection of leads in Arctic sea ice Schnell, R. C. Barry, R. G. Miles, M. W. Andreas, E. L. Radke, L. F. Brock, C. A. Mccormick, M. P. Unclassified, Unlimited, Publicly available Jun 15, 1989 http://ntrs.nasa.gov/search.jsp?R=19890056697 unknown http://ntrs.nasa.gov/search.jsp?R=19890056697 Accession ID: 89A44068 Copyright Other Sources 47 Nature; 339; 530-532 1989 ftnasantrs 2012-02-15T18:05:03Z REMOTE sensing using an airborne infrared lidar has shown an unexpected capability to detect open leads in Arctic sea ice and their associated meteorology in winter. It is shown here that vertical profiles of backscattered radiation demonstrate strong returns from hydrometeor plumes originating from leads having a surface water temperature near -1.8 C. Recently refrozen leads are also distinguishable by the lidar backscatter from adjacent thicker, older sea ice. Wide leads release enough energy to create buoyant plumes which penetrate the Arctic boundary layer inversion, transporting heat and moisture into the troposphere. These results show that the role of the Arctic as a global heat sink may need to be reevaluated, and that lead plumes have a significant effect on the radiation budget. Other/Unknown Material Arctic Sea ice NASA Technical Reports Server (NTRS) Arctic |
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Open Polar |
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NASA Technical Reports Server (NTRS) |
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ftnasantrs |
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unknown |
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47 |
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47 Schnell, R. C. Barry, R. G. Miles, M. W. Andreas, E. L. Radke, L. F. Brock, C. A. Mccormick, M. P. Lidar detection of leads in Arctic sea ice |
topic_facet |
47 |
description |
REMOTE sensing using an airborne infrared lidar has shown an unexpected capability to detect open leads in Arctic sea ice and their associated meteorology in winter. It is shown here that vertical profiles of backscattered radiation demonstrate strong returns from hydrometeor plumes originating from leads having a surface water temperature near -1.8 C. Recently refrozen leads are also distinguishable by the lidar backscatter from adjacent thicker, older sea ice. Wide leads release enough energy to create buoyant plumes which penetrate the Arctic boundary layer inversion, transporting heat and moisture into the troposphere. These results show that the role of the Arctic as a global heat sink may need to be reevaluated, and that lead plumes have a significant effect on the radiation budget. |
format |
Other/Unknown Material |
author |
Schnell, R. C. Barry, R. G. Miles, M. W. Andreas, E. L. Radke, L. F. Brock, C. A. Mccormick, M. P. |
author_facet |
Schnell, R. C. Barry, R. G. Miles, M. W. Andreas, E. L. Radke, L. F. Brock, C. A. Mccormick, M. P. |
author_sort |
Schnell, R. C. |
title |
Lidar detection of leads in Arctic sea ice |
title_short |
Lidar detection of leads in Arctic sea ice |
title_full |
Lidar detection of leads in Arctic sea ice |
title_fullStr |
Lidar detection of leads in Arctic sea ice |
title_full_unstemmed |
Lidar detection of leads in Arctic sea ice |
title_sort |
lidar detection of leads in arctic sea ice |
publishDate |
1989 |
url |
http://ntrs.nasa.gov/search.jsp?R=19890056697 |
op_coverage |
Unclassified, Unlimited, Publicly available |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Sea ice |
genre_facet |
Arctic Sea ice |
op_source |
Other Sources |
op_relation |
http://ntrs.nasa.gov/search.jsp?R=19890056697 Accession ID: 89A44068 |
op_rights |
Copyright |
_version_ |
1766309427881705472 |