21st-Century Evolution of Greenland Outlet Glacier Velocities
Not So Fast Recent observations of some of Greenland's outlet glaciers have shown large and rapid increases in the speeds at which their ice has streamed to the sea. Simple projections of ice loss and sea level rise, based only on these increases, result in alarmingly high values and correspond...
Published in: | Science |
---|---|
Main Authors: | , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
American Association for the Advancement of Science (AAAS)
2012
|
Subjects: | |
Online Access: | http://dx.doi.org/10.1126/science.1219985 https://www.science.org/doi/pdf/10.1126/science.1219985 |
id |
craaas:10.1126/science.1219985 |
---|---|
record_format |
openpolar |
spelling |
craaas:10.1126/science.1219985 2024-10-13T14:07:27+00:00 21st-Century Evolution of Greenland Outlet Glacier Velocities Moon, T. Joughin, I. Smith, B. Howat, I. 2012 http://dx.doi.org/10.1126/science.1219985 https://www.science.org/doi/pdf/10.1126/science.1219985 en eng American Association for the Advancement of Science (AAAS) Science volume 336, issue 6081, page 576-578 ISSN 0036-8075 1095-9203 journal-article 2012 craaas https://doi.org/10.1126/science.1219985 2024-09-19T04:01:17Z Not So Fast Recent observations of some of Greenland's outlet glaciers have shown large and rapid increases in the speeds at which their ice has streamed to the sea. Simple projections of ice loss and sea level rise, based only on these increases, result in alarmingly high values and correspondingly great public concern. In order to provide a more comprehensive and detailed picture of this type of ice sheet mass loss, Moon et al. (p. 576 see the cover) compiled a decade-long record of ice stream velocity measurements for nearly all of Greenland's major outlet glaciers. The pattern of flow variability around the ice sheet was both spatially and temporally complex, with clear differences between marine- and land-terminating types, as well as between regions. Furthermore, the integrated velocity of all of the outlet glaciers measured was considerably less than the upper bounds that have been proposed on the basis of a few rapidly accelerating locations, implying that sea level rise over the next century may be less than the 2 meters that have been suggested. Article in Journal/Newspaper glacier Greenland Ice Sheet AAAS Resource Center (American Association for the Advancement of Science) Greenland Science 336 6081 576 578 |
institution |
Open Polar |
collection |
AAAS Resource Center (American Association for the Advancement of Science) |
op_collection_id |
craaas |
language |
English |
description |
Not So Fast Recent observations of some of Greenland's outlet glaciers have shown large and rapid increases in the speeds at which their ice has streamed to the sea. Simple projections of ice loss and sea level rise, based only on these increases, result in alarmingly high values and correspondingly great public concern. In order to provide a more comprehensive and detailed picture of this type of ice sheet mass loss, Moon et al. (p. 576 see the cover) compiled a decade-long record of ice stream velocity measurements for nearly all of Greenland's major outlet glaciers. The pattern of flow variability around the ice sheet was both spatially and temporally complex, with clear differences between marine- and land-terminating types, as well as between regions. Furthermore, the integrated velocity of all of the outlet glaciers measured was considerably less than the upper bounds that have been proposed on the basis of a few rapidly accelerating locations, implying that sea level rise over the next century may be less than the 2 meters that have been suggested. |
format |
Article in Journal/Newspaper |
author |
Moon, T. Joughin, I. Smith, B. Howat, I. |
spellingShingle |
Moon, T. Joughin, I. Smith, B. Howat, I. 21st-Century Evolution of Greenland Outlet Glacier Velocities |
author_facet |
Moon, T. Joughin, I. Smith, B. Howat, I. |
author_sort |
Moon, T. |
title |
21st-Century Evolution of Greenland Outlet Glacier Velocities |
title_short |
21st-Century Evolution of Greenland Outlet Glacier Velocities |
title_full |
21st-Century Evolution of Greenland Outlet Glacier Velocities |
title_fullStr |
21st-Century Evolution of Greenland Outlet Glacier Velocities |
title_full_unstemmed |
21st-Century Evolution of Greenland Outlet Glacier Velocities |
title_sort |
21st-century evolution of greenland outlet glacier velocities |
publisher |
American Association for the Advancement of Science (AAAS) |
publishDate |
2012 |
url |
http://dx.doi.org/10.1126/science.1219985 https://www.science.org/doi/pdf/10.1126/science.1219985 |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
glacier Greenland Ice Sheet |
genre_facet |
glacier Greenland Ice Sheet |
op_source |
Science volume 336, issue 6081, page 576-578 ISSN 0036-8075 1095-9203 |
op_doi |
https://doi.org/10.1126/science.1219985 |
container_title |
Science |
container_volume |
336 |
container_issue |
6081 |
container_start_page |
576 |
op_container_end_page |
578 |
_version_ |
1812813740597313536 |