Independent Digital Elevation Model of Antarctica from GNSS-R data from TechDemoSat-1 - VERSION 2.0
SGR-ReSI, TechDemoSat-1,Gridded group delay altimetry from TechDemoSat-1's GNSS-R data collected between September 2014 and December 2018. For full details see Cartwright et al., 2020.,Improved Digital Elevation Model (DEM) of the Antarctic Ice Sheet derived from Global Navigation Satellite Sys...
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ftsouthampton:oai:eprints.soton.ac.uk:448703 2023-07-30T03:58:17+02:00 Independent Digital Elevation Model of Antarctica from GNSS-R data from TechDemoSat-1 - VERSION 2.0 Cartwright, Jessica 2020-05-01 https://eprints.soton.ac.uk/448703/ English eng Natural Environment Research Council (2020) Independent Digital Elevation Model of Antarctica from GNSS-R data from TechDemoSat-1 - VERSION 2.0. Natural Environment Research Council doi:10.5285/c7a6d602-ab52-4f3c-90a4-42d0cd9f62d3 <http://dx.doi.org/10.5285/c7a6d602-ab52-4f3c-90a4-42d0cd9f62d3> [Dataset] Dataset NonPeerReviewed 2020 ftsouthampton https://doi.org/10.5285/c7a6d602-ab52-4f3c-90a4-42d0cd9f62d3 2023-07-09T22:42:00Z SGR-ReSI, TechDemoSat-1,Gridded group delay altimetry from TechDemoSat-1's GNSS-R data collected between September 2014 and December 2018. For full details see Cartwright et al., 2020.,Improved Digital Elevation Model (DEM) of the Antarctic Ice Sheet derived from Global Navigation Satellite Systems-Reflectometry (GNSS-R). This builds on a previous study (Cartwright et al., 2018) using GNSS-R to derive an Antarctic DEM but uses improved processing and an additional 13 months of measurements. A median bias of under 10 m and root-mean-square (RMS) errors of under 53 m are obtained, as compared to existing DEMs. Funding was provided by NERC grant NE/L002531/1.,A median bias of under 10 m and root-mean-square (RMS) errors of under 53 m are obtained, as compared to existing DEMs. This represents, compared to the earlier study, a halving of the median bias to 9 m, an improvement in coverage of 18 %, and a four times higher spatial resolution (now gridded at 25 km). These are the first published satellite altimetry measurements of the region surrounding the South Pole. Comparisons south of 88° S yield RMS errors of less than 33 m when compared to NASA's Operation IceBridge measurements. Text Antarc* Antarctic Antarctica Ice Sheet South pole South pole University of Southampton: e-Prints Soton Antarctic The Antarctic South Pole Cartwright ENVELOPE(175.133,175.133,-84.350,-84.350) |
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Open Polar |
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University of Southampton: e-Prints Soton |
op_collection_id |
ftsouthampton |
language |
English |
description |
SGR-ReSI, TechDemoSat-1,Gridded group delay altimetry from TechDemoSat-1's GNSS-R data collected between September 2014 and December 2018. For full details see Cartwright et al., 2020.,Improved Digital Elevation Model (DEM) of the Antarctic Ice Sheet derived from Global Navigation Satellite Systems-Reflectometry (GNSS-R). This builds on a previous study (Cartwright et al., 2018) using GNSS-R to derive an Antarctic DEM but uses improved processing and an additional 13 months of measurements. A median bias of under 10 m and root-mean-square (RMS) errors of under 53 m are obtained, as compared to existing DEMs. Funding was provided by NERC grant NE/L002531/1.,A median bias of under 10 m and root-mean-square (RMS) errors of under 53 m are obtained, as compared to existing DEMs. This represents, compared to the earlier study, a halving of the median bias to 9 m, an improvement in coverage of 18 %, and a four times higher spatial resolution (now gridded at 25 km). These are the first published satellite altimetry measurements of the region surrounding the South Pole. Comparisons south of 88° S yield RMS errors of less than 33 m when compared to NASA's Operation IceBridge measurements. |
format |
Text |
author |
Cartwright, Jessica |
spellingShingle |
Cartwright, Jessica Independent Digital Elevation Model of Antarctica from GNSS-R data from TechDemoSat-1 - VERSION 2.0 |
author_facet |
Cartwright, Jessica |
author_sort |
Cartwright, Jessica |
title |
Independent Digital Elevation Model of Antarctica from GNSS-R data from TechDemoSat-1 - VERSION 2.0 |
title_short |
Independent Digital Elevation Model of Antarctica from GNSS-R data from TechDemoSat-1 - VERSION 2.0 |
title_full |
Independent Digital Elevation Model of Antarctica from GNSS-R data from TechDemoSat-1 - VERSION 2.0 |
title_fullStr |
Independent Digital Elevation Model of Antarctica from GNSS-R data from TechDemoSat-1 - VERSION 2.0 |
title_full_unstemmed |
Independent Digital Elevation Model of Antarctica from GNSS-R data from TechDemoSat-1 - VERSION 2.0 |
title_sort |
independent digital elevation model of antarctica from gnss-r data from techdemosat-1 - version 2.0 |
publisher |
Natural Environment Research Council |
publishDate |
2020 |
url |
https://eprints.soton.ac.uk/448703/ |
long_lat |
ENVELOPE(175.133,175.133,-84.350,-84.350) |
geographic |
Antarctic The Antarctic South Pole Cartwright |
geographic_facet |
Antarctic The Antarctic South Pole Cartwright |
genre |
Antarc* Antarctic Antarctica Ice Sheet South pole South pole |
genre_facet |
Antarc* Antarctic Antarctica Ice Sheet South pole South pole |
op_relation |
(2020) Independent Digital Elevation Model of Antarctica from GNSS-R data from TechDemoSat-1 - VERSION 2.0. Natural Environment Research Council doi:10.5285/c7a6d602-ab52-4f3c-90a4-42d0cd9f62d3 <http://dx.doi.org/10.5285/c7a6d602-ab52-4f3c-90a4-42d0cd9f62d3> [Dataset] |
op_doi |
https://doi.org/10.5285/c7a6d602-ab52-4f3c-90a4-42d0cd9f62d3 |
_version_ |
1772821119593611264 |