Focused synthetic aperture radar processing of ice-sounder data collected over the Greenland ice sheet
©2001 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other wo...
Published in: | IEEE Transactions on Geoscience and Remote Sensing |
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Online Access: | http://hdl.handle.net/1808/1282 https://doi.org/10.1109/36.957274 |
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ftunivkansas:oai:kuscholarworks.ku.edu:1808/1282 2023-05-15T16:24:26+02:00 Focused synthetic aperture radar processing of ice-sounder data collected over the Greenland ice sheet Legarsky, Justin Gogineni, Sivaprasad Akins, Torry L. 2007-04-06T14:18:38Z http://hdl.handle.net/1808/1282 https://doi.org/10.1109/36.957274 en_US eng IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC Legarsky, JL; Gogineni, SP; Akins, TL. Focused synthetic aperture radar processing of ice-sounder data collected over the Greenland ice sheet. IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING. October 2001. 39(10) : 2109-2117. doi:10.1109/36.957274 http://hdl.handle.net/1808/1282 openAccess Airborne radar Greenland Ice Ice thickness Remote sensing Sounding Synthetic aperture radar Article 2007 ftunivkansas https://doi.org/10.1109/36.957274 2022-08-26T13:09:01Z ©2001 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. We developed a synthetic aperture radar (SAR) processing algorithm for airborne/spaceborne ice-sounding radar systems and applied it to data collected in Greenland. By using focused SAR (phase-corrected coherent averaging), we improved along-track resolution by a factor of four and provided a 6-dB processing gain over unfocused SAR (coherent averaging without phase correction) based on a point-target analysis for a Greenland ice-sounding data set. Also, we demonstrated that the focused-SAR processing reduced clutter and enabled us to identify bedrock-interface returns buried in clutter. Using focused-SAR technique, we processed data collected over a key 360-km-long portion of the 2000-m contour line of southwest Greenland. To the best of our knowledge, these are the first high-quality radar ice thickness measurements over this key location. Moreover, these ice-thickness measurements have been used for improving mass-balance estimates of the Greenland ice sheet. Article in Journal/Newspaper Greenland Ice Sheet The University of Kansas: KU ScholarWorks Greenland IEEE Transactions on Geoscience and Remote Sensing 39 10 2109 2117 |
institution |
Open Polar |
collection |
The University of Kansas: KU ScholarWorks |
op_collection_id |
ftunivkansas |
language |
English |
topic |
Airborne radar Greenland Ice Ice thickness Remote sensing Sounding Synthetic aperture radar |
spellingShingle |
Airborne radar Greenland Ice Ice thickness Remote sensing Sounding Synthetic aperture radar Legarsky, Justin Gogineni, Sivaprasad Akins, Torry L. Focused synthetic aperture radar processing of ice-sounder data collected over the Greenland ice sheet |
topic_facet |
Airborne radar Greenland Ice Ice thickness Remote sensing Sounding Synthetic aperture radar |
description |
©2001 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. We developed a synthetic aperture radar (SAR) processing algorithm for airborne/spaceborne ice-sounding radar systems and applied it to data collected in Greenland. By using focused SAR (phase-corrected coherent averaging), we improved along-track resolution by a factor of four and provided a 6-dB processing gain over unfocused SAR (coherent averaging without phase correction) based on a point-target analysis for a Greenland ice-sounding data set. Also, we demonstrated that the focused-SAR processing reduced clutter and enabled us to identify bedrock-interface returns buried in clutter. Using focused-SAR technique, we processed data collected over a key 360-km-long portion of the 2000-m contour line of southwest Greenland. To the best of our knowledge, these are the first high-quality radar ice thickness measurements over this key location. Moreover, these ice-thickness measurements have been used for improving mass-balance estimates of the Greenland ice sheet. |
format |
Article in Journal/Newspaper |
author |
Legarsky, Justin Gogineni, Sivaprasad Akins, Torry L. |
author_facet |
Legarsky, Justin Gogineni, Sivaprasad Akins, Torry L. |
author_sort |
Legarsky, Justin |
title |
Focused synthetic aperture radar processing of ice-sounder data collected over the Greenland ice sheet |
title_short |
Focused synthetic aperture radar processing of ice-sounder data collected over the Greenland ice sheet |
title_full |
Focused synthetic aperture radar processing of ice-sounder data collected over the Greenland ice sheet |
title_fullStr |
Focused synthetic aperture radar processing of ice-sounder data collected over the Greenland ice sheet |
title_full_unstemmed |
Focused synthetic aperture radar processing of ice-sounder data collected over the Greenland ice sheet |
title_sort |
focused synthetic aperture radar processing of ice-sounder data collected over the greenland ice sheet |
publisher |
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC |
publishDate |
2007 |
url |
http://hdl.handle.net/1808/1282 https://doi.org/10.1109/36.957274 |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Greenland Ice Sheet |
genre_facet |
Greenland Ice Sheet |
op_relation |
Legarsky, JL; Gogineni, SP; Akins, TL. Focused synthetic aperture radar processing of ice-sounder data collected over the Greenland ice sheet. IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING. October 2001. 39(10) : 2109-2117. doi:10.1109/36.957274 http://hdl.handle.net/1808/1282 |
op_rights |
openAccess |
op_doi |
https://doi.org/10.1109/36.957274 |
container_title |
IEEE Transactions on Geoscience and Remote Sensing |
container_volume |
39 |
container_issue |
10 |
container_start_page |
2109 |
op_container_end_page |
2117 |
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1766012895904137216 |