Acquisition of a 3 min, two-dimensional glacier velocity field with terrestrial radar interferometry
Outlet glaciers undergo rapid spatial and temporal changes in flow velocity during calving events. Observing such changes requires both high temporal and high spatial resolution methods, something now possible with terrestrial radar interferometry. While a single such radar provides line-of-sight ve...
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ftdoajarticles:oai:doaj.org/article:0200b593ecf44f5cb1f9452d13d92d80 2023-05-15T16:56:51+02:00 Acquisition of a 3 min, two-dimensional glacier velocity field with terrestrial radar interferometry DENIS VOYTENKO TIMOTHY H. DIXON DAVID M. HOLLAND RYAN CASSOTTO IAN M. HOWAT MARK A. FAHNESTOCK MARTIN TRUFFER SANTIAGO DE LA PEÑA 2017-08-01T00:00:00Z https://doi.org/10.1017/jog.2017.28 https://doaj.org/article/0200b593ecf44f5cb1f9452d13d92d80 EN eng Cambridge University Press https://www.cambridge.org/core/product/identifier/S0022143017000284/type/journal_article https://doaj.org/toc/0022-1430 https://doaj.org/toc/1727-5652 doi:10.1017/jog.2017.28 0022-1430 1727-5652 https://doaj.org/article/0200b593ecf44f5cb1f9452d13d92d80 Journal of Glaciology, Vol 63, Pp 629-636 (2017) glacier flow glacier geophysics glaciological instruments and methods Environmental sciences GE1-350 Meteorology. Climatology QC851-999 article 2017 ftdoajarticles https://doi.org/10.1017/jog.2017.28 2023-03-12T01:30:59Z Outlet glaciers undergo rapid spatial and temporal changes in flow velocity during calving events. Observing such changes requires both high temporal and high spatial resolution methods, something now possible with terrestrial radar interferometry. While a single such radar provides line-of-sight velocity, two radars define both components of the horizontal flow field. To assess the feasibility of obtaining the two-dimensional (2-D) flow field, we deployed two terrestrial radar interferometers at Jakobshavn Isbrae, a major outlet glacier on Greenland's west coast, in the summer of 2012. Here, we develop and demonstrate a method to combine the line-of-sight velocity data from two synchronized radars to produce a 2-D velocity field from a single (3 min) interferogram. Results are compared with the more traditional feature-tracking data obtained from the same radar, averaged over a longer period. We demonstrate the potential and limitations of this new dual-radar approach for obtaining high spatial and temporal resolution 2-D velocity fields at outlet glaciers. Article in Journal/Newspaper Jakobshavn Journal of Glaciology Directory of Open Access Journals: DOAJ Articles Journal of Glaciology 63 240 629 636 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
glacier flow glacier geophysics glaciological instruments and methods Environmental sciences GE1-350 Meteorology. Climatology QC851-999 |
spellingShingle |
glacier flow glacier geophysics glaciological instruments and methods Environmental sciences GE1-350 Meteorology. Climatology QC851-999 DENIS VOYTENKO TIMOTHY H. DIXON DAVID M. HOLLAND RYAN CASSOTTO IAN M. HOWAT MARK A. FAHNESTOCK MARTIN TRUFFER SANTIAGO DE LA PEÑA Acquisition of a 3 min, two-dimensional glacier velocity field with terrestrial radar interferometry |
topic_facet |
glacier flow glacier geophysics glaciological instruments and methods Environmental sciences GE1-350 Meteorology. Climatology QC851-999 |
description |
Outlet glaciers undergo rapid spatial and temporal changes in flow velocity during calving events. Observing such changes requires both high temporal and high spatial resolution methods, something now possible with terrestrial radar interferometry. While a single such radar provides line-of-sight velocity, two radars define both components of the horizontal flow field. To assess the feasibility of obtaining the two-dimensional (2-D) flow field, we deployed two terrestrial radar interferometers at Jakobshavn Isbrae, a major outlet glacier on Greenland's west coast, in the summer of 2012. Here, we develop and demonstrate a method to combine the line-of-sight velocity data from two synchronized radars to produce a 2-D velocity field from a single (3 min) interferogram. Results are compared with the more traditional feature-tracking data obtained from the same radar, averaged over a longer period. We demonstrate the potential and limitations of this new dual-radar approach for obtaining high spatial and temporal resolution 2-D velocity fields at outlet glaciers. |
format |
Article in Journal/Newspaper |
author |
DENIS VOYTENKO TIMOTHY H. DIXON DAVID M. HOLLAND RYAN CASSOTTO IAN M. HOWAT MARK A. FAHNESTOCK MARTIN TRUFFER SANTIAGO DE LA PEÑA |
author_facet |
DENIS VOYTENKO TIMOTHY H. DIXON DAVID M. HOLLAND RYAN CASSOTTO IAN M. HOWAT MARK A. FAHNESTOCK MARTIN TRUFFER SANTIAGO DE LA PEÑA |
author_sort |
DENIS VOYTENKO |
title |
Acquisition of a 3 min, two-dimensional glacier velocity field with terrestrial radar interferometry |
title_short |
Acquisition of a 3 min, two-dimensional glacier velocity field with terrestrial radar interferometry |
title_full |
Acquisition of a 3 min, two-dimensional glacier velocity field with terrestrial radar interferometry |
title_fullStr |
Acquisition of a 3 min, two-dimensional glacier velocity field with terrestrial radar interferometry |
title_full_unstemmed |
Acquisition of a 3 min, two-dimensional glacier velocity field with terrestrial radar interferometry |
title_sort |
acquisition of a 3 min, two-dimensional glacier velocity field with terrestrial radar interferometry |
publisher |
Cambridge University Press |
publishDate |
2017 |
url |
https://doi.org/10.1017/jog.2017.28 https://doaj.org/article/0200b593ecf44f5cb1f9452d13d92d80 |
genre |
Jakobshavn Journal of Glaciology |
genre_facet |
Jakobshavn Journal of Glaciology |
op_source |
Journal of Glaciology, Vol 63, Pp 629-636 (2017) |
op_relation |
https://www.cambridge.org/core/product/identifier/S0022143017000284/type/journal_article https://doaj.org/toc/0022-1430 https://doaj.org/toc/1727-5652 doi:10.1017/jog.2017.28 0022-1430 1727-5652 https://doaj.org/article/0200b593ecf44f5cb1f9452d13d92d80 |
op_doi |
https://doi.org/10.1017/jog.2017.28 |
container_title |
Journal of Glaciology |
container_volume |
63 |
container_issue |
240 |
container_start_page |
629 |
op_container_end_page |
636 |
_version_ |
1766048039815872512 |