Multi-Year Elevation Changes Near the West Margin of the Greenland Ice Sheet from Satellite Radar Altimetry
Mean changes in the surface elevation near the west margin of the Greenland ice sheet are measured using Seasat altimetry and altimetry from the Geosat Exact Repeat Mission (ERM). The Seasat data extend from early July through early October 1978. The ERM data extend from winter 1986-87 through fall...
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ftnasantrs:oai:casi.ntrs.nasa.gov:19970003047 2023-05-15T16:27:41+02:00 Multi-Year Elevation Changes Near the West Margin of the Greenland Ice Sheet from Satellite Radar Altimetry Zwally, H. Jay Lingle, Craig S. DiMarzio, John P. Brenner, Anita C. Unclassified, Unlimited, Publicly available Dec. 1991 application/pdf http://hdl.handle.net/2060/19970003047 unknown Document ID: 19970003047 Accession ID: 97N11813 http://hdl.handle.net/2060/19970003047 No Copyright CASI Earth Resources and Remote Sensing NASA-TM-111745 NAS 1.15:111745 Proceedings of the International Conference on the Role of the Polar Regions in Global Change; 1; 35-42|International Conference on the Role of the Polar Regions in Global Change 1991 ftnasantrs 2019-07-21T03:16:43Z Mean changes in the surface elevation near the west margin of the Greenland ice sheet are measured using Seasat altimetry and altimetry from the Geosat Exact Repeat Mission (ERM). The Seasat data extend from early July through early October 1978. The ERM data extend from winter 1986-87 through fall 1988. Both seasonal and multi-year changes are measured using altimetry referenced to GEM T2 orbits. The possible effects of orbit error are minimized by adjusting the orbits into a common ocean surface. Seasonal mean changes in the surface height are recognizable during the Geosat ERM. The multi-year measurements indicate the surface was lower by 0.4 +/- 0.4 m on average in late summer 1987 than in late summer 1978. The surface was lower by 0.2 +/- 0.5 m on average in late summer 1988 than in late summer 1978. As a control case, the computations art also carried out using altimetry referenced to orbits not adjusted into a common ocean surface. Other/Unknown Material Greenland Ice Sheet NASA Technical Reports Server (NTRS) Greenland |
institution |
Open Polar |
collection |
NASA Technical Reports Server (NTRS) |
op_collection_id |
ftnasantrs |
language |
unknown |
topic |
Earth Resources and Remote Sensing |
spellingShingle |
Earth Resources and Remote Sensing Zwally, H. Jay Lingle, Craig S. DiMarzio, John P. Brenner, Anita C. Multi-Year Elevation Changes Near the West Margin of the Greenland Ice Sheet from Satellite Radar Altimetry |
topic_facet |
Earth Resources and Remote Sensing |
description |
Mean changes in the surface elevation near the west margin of the Greenland ice sheet are measured using Seasat altimetry and altimetry from the Geosat Exact Repeat Mission (ERM). The Seasat data extend from early July through early October 1978. The ERM data extend from winter 1986-87 through fall 1988. Both seasonal and multi-year changes are measured using altimetry referenced to GEM T2 orbits. The possible effects of orbit error are minimized by adjusting the orbits into a common ocean surface. Seasonal mean changes in the surface height are recognizable during the Geosat ERM. The multi-year measurements indicate the surface was lower by 0.4 +/- 0.4 m on average in late summer 1987 than in late summer 1978. The surface was lower by 0.2 +/- 0.5 m on average in late summer 1988 than in late summer 1978. As a control case, the computations art also carried out using altimetry referenced to orbits not adjusted into a common ocean surface. |
format |
Other/Unknown Material |
author |
Zwally, H. Jay Lingle, Craig S. DiMarzio, John P. Brenner, Anita C. |
author_facet |
Zwally, H. Jay Lingle, Craig S. DiMarzio, John P. Brenner, Anita C. |
author_sort |
Zwally, H. Jay |
title |
Multi-Year Elevation Changes Near the West Margin of the Greenland Ice Sheet from Satellite Radar Altimetry |
title_short |
Multi-Year Elevation Changes Near the West Margin of the Greenland Ice Sheet from Satellite Radar Altimetry |
title_full |
Multi-Year Elevation Changes Near the West Margin of the Greenland Ice Sheet from Satellite Radar Altimetry |
title_fullStr |
Multi-Year Elevation Changes Near the West Margin of the Greenland Ice Sheet from Satellite Radar Altimetry |
title_full_unstemmed |
Multi-Year Elevation Changes Near the West Margin of the Greenland Ice Sheet from Satellite Radar Altimetry |
title_sort |
multi-year elevation changes near the west margin of the greenland ice sheet from satellite radar altimetry |
publishDate |
1991 |
url |
http://hdl.handle.net/2060/19970003047 |
op_coverage |
Unclassified, Unlimited, Publicly available |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Greenland Ice Sheet |
genre_facet |
Greenland Ice Sheet |
op_source |
CASI |
op_relation |
Document ID: 19970003047 Accession ID: 97N11813 http://hdl.handle.net/2060/19970003047 |
op_rights |
No Copyright |
_version_ |
1766017148592848896 |