Ice flow of Humboldt, Petermann and Ryder Gletscher, northern Greenland
This is the published version. Copyright 1999 International Glaciological Society Radar interferometry, ice-penetrating radar profiles and an elevation model are used to determinc the veloeity fields, rates of ice discharge, approximate states of balance and catchment area for three large outlet gla...
Published in: | Journal of Glaciology |
---|---|
Main Authors: | , , , , |
Format: | Article in Journal/Newspaper |
Language: | unknown |
Published: |
International Glaciological Society
2015
|
Subjects: | |
Online Access: | http://hdl.handle.net/1808/18880 https://doi.org/10.3189/002214399793377284 |
id |
ftunivkansas:oai:kuscholarworks.ku.edu:1808/18880 |
---|---|
record_format |
openpolar |
spelling |
ftunivkansas:oai:kuscholarworks.ku.edu:1808/18880 2023-05-15T16:21:15+02:00 Ice flow of Humboldt, Petermann and Ryder Gletscher, northern Greenland Joughin, Ian R. Fahnestock, Mark Kwok, Ron Gogineni, Sivaprasad Allen, Christopher Thomas 2015-11-11T17:26:20Z http://hdl.handle.net/1808/18880 https://doi.org/10.3189/002214399793377284 unknown International Glaciological Society Joughin, Ian, Mark Fahnestock, Ron Kwok, Prasad Gogineni, and Chris Allen. "Ice Flow of Humboldt, Petermann and Ryder Gletscher, Northern Greenland." Journal of Glaciology 45.150 (1999): 231-41. http://dx.doi.org/10.3189/002214399793377284 http://hdl.handle.net/1808/18880 doi:10.3189/002214399793377284 openAccess Article 2015 ftunivkansas https://doi.org/10.3189/002214399793377284 2022-08-26T13:18:00Z This is the published version. Copyright 1999 International Glaciological Society Radar interferometry, ice-penetrating radar profiles and an elevation model are used to determinc the veloeity fields, rates of ice discharge, approximate states of balance and catchment area for three large outlet glaciers in northeast Greenland. Discharge through flux gates is calculated for Humboldt and Petermann Gletscher, which are found to be in balance (at the level that the accumulation is known). A large diflerence between the measured and estimated fluxes for Ryder Gletscher may be a reflection of unsteady flow behavior for this glacier. The patterns of ice flow for the threc glaciers considered are each unique, showing that the nature of ice discharge varies substantially from basin to basin, controlled by bed conditions and the presence of subglacial troughs and obstructions. Article in Journal/Newspaper glacier Greenland Journal of Glaciology Petermann gletscher The University of Kansas: KU ScholarWorks Greenland Petermann Gletscher ENVELOPE(-59.500,-59.500,80.500,80.500) Ryder ENVELOPE(-68.333,-68.333,-67.566,-67.566) Ryder Gletscher ENVELOPE(-49.167,-49.167,81.633,81.633) Journal of Glaciology 45 150 231 241 |
institution |
Open Polar |
collection |
The University of Kansas: KU ScholarWorks |
op_collection_id |
ftunivkansas |
language |
unknown |
description |
This is the published version. Copyright 1999 International Glaciological Society Radar interferometry, ice-penetrating radar profiles and an elevation model are used to determinc the veloeity fields, rates of ice discharge, approximate states of balance and catchment area for three large outlet glaciers in northeast Greenland. Discharge through flux gates is calculated for Humboldt and Petermann Gletscher, which are found to be in balance (at the level that the accumulation is known). A large diflerence between the measured and estimated fluxes for Ryder Gletscher may be a reflection of unsteady flow behavior for this glacier. The patterns of ice flow for the threc glaciers considered are each unique, showing that the nature of ice discharge varies substantially from basin to basin, controlled by bed conditions and the presence of subglacial troughs and obstructions. |
format |
Article in Journal/Newspaper |
author |
Joughin, Ian R. Fahnestock, Mark Kwok, Ron Gogineni, Sivaprasad Allen, Christopher Thomas |
spellingShingle |
Joughin, Ian R. Fahnestock, Mark Kwok, Ron Gogineni, Sivaprasad Allen, Christopher Thomas Ice flow of Humboldt, Petermann and Ryder Gletscher, northern Greenland |
author_facet |
Joughin, Ian R. Fahnestock, Mark Kwok, Ron Gogineni, Sivaprasad Allen, Christopher Thomas |
author_sort |
Joughin, Ian R. |
title |
Ice flow of Humboldt, Petermann and Ryder Gletscher, northern Greenland |
title_short |
Ice flow of Humboldt, Petermann and Ryder Gletscher, northern Greenland |
title_full |
Ice flow of Humboldt, Petermann and Ryder Gletscher, northern Greenland |
title_fullStr |
Ice flow of Humboldt, Petermann and Ryder Gletscher, northern Greenland |
title_full_unstemmed |
Ice flow of Humboldt, Petermann and Ryder Gletscher, northern Greenland |
title_sort |
ice flow of humboldt, petermann and ryder gletscher, northern greenland |
publisher |
International Glaciological Society |
publishDate |
2015 |
url |
http://hdl.handle.net/1808/18880 https://doi.org/10.3189/002214399793377284 |
long_lat |
ENVELOPE(-59.500,-59.500,80.500,80.500) ENVELOPE(-68.333,-68.333,-67.566,-67.566) ENVELOPE(-49.167,-49.167,81.633,81.633) |
geographic |
Greenland Petermann Gletscher Ryder Ryder Gletscher |
geographic_facet |
Greenland Petermann Gletscher Ryder Ryder Gletscher |
genre |
glacier Greenland Journal of Glaciology Petermann gletscher |
genre_facet |
glacier Greenland Journal of Glaciology Petermann gletscher |
op_relation |
Joughin, Ian, Mark Fahnestock, Ron Kwok, Prasad Gogineni, and Chris Allen. "Ice Flow of Humboldt, Petermann and Ryder Gletscher, Northern Greenland." Journal of Glaciology 45.150 (1999): 231-41. http://dx.doi.org/10.3189/002214399793377284 http://hdl.handle.net/1808/18880 doi:10.3189/002214399793377284 |
op_rights |
openAccess |
op_doi |
https://doi.org/10.3189/002214399793377284 |
container_title |
Journal of Glaciology |
container_volume |
45 |
container_issue |
150 |
container_start_page |
231 |
op_container_end_page |
241 |
_version_ |
1766009251965173760 |