Assessment of NASA airborne laser altimetry data using ground-based GPS data near Summit Station, Greenland
A series of NASA airborne lidars have been used in support of satellite laser altimetry missions. These airborne laser altimeters have been deployed for satellite instrument development, for spaceborne data validation, and to bridge the data gap between satellite missions. We used data from ground-b...
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ftdoajarticles:oai:doaj.org/article:be878dca7c0f4a3884ee105e3ce47e0e 2023-05-15T13:07:33+02:00 Assessment of NASA airborne laser altimetry data using ground-based GPS data near Summit Station, Greenland K. M. Brunt R. L. Hawley E. R. Lutz M. Studinger J. G. Sonntag M. A. Hofton L. C. Andrews T. A. Neumann 2017-03-01T00:00:00Z https://doi.org/10.5194/tc-11-681-2017 https://doaj.org/article/be878dca7c0f4a3884ee105e3ce47e0e EN eng Copernicus Publications http://www.the-cryosphere.net/11/681/2017/tc-11-681-2017.pdf https://doaj.org/toc/1994-0416 https://doaj.org/toc/1994-0424 1994-0416 1994-0424 doi:10.5194/tc-11-681-2017 https://doaj.org/article/be878dca7c0f4a3884ee105e3ce47e0e The Cryosphere, Vol 11, Iss 2, Pp 681-692 (2017) Environmental sciences GE1-350 Geology QE1-996.5 article 2017 ftdoajarticles https://doi.org/10.5194/tc-11-681-2017 2022-12-31T05:52:44Z A series of NASA airborne lidars have been used in support of satellite laser altimetry missions. These airborne laser altimeters have been deployed for satellite instrument development, for spaceborne data validation, and to bridge the data gap between satellite missions. We used data from ground-based Global Positioning System (GPS) surveys of an 11 km long track near Summit Station, Greenland, to assess the surface–elevation bias and measurement precision of three airborne laser altimeters including the Airborne Topographic Mapper (ATM), the Land, Vegetation, and Ice Sensor (LVIS), and the Multiple Altimeter Beam Experimental Lidar (MABEL). Ground-based GPS data from the monthly ground-based traverses, which commenced in 2006, allowed for the assessment of nine airborne lidar surveys associated with ATM and LVIS between 2007 and 2016. Surface–elevation biases for these altimeters – over the flat, ice-sheet interior – are less than 0.12 m, while assessments of measurement precision are 0.09 m or better. Ground-based GPS positions determined both with and without differential post-processing techniques provided internally consistent solutions. Results from the analyses of ground-based and airborne data provide validation strategy guidance for the Ice, Cloud, and land Elevation Satellite 2 (ICESat-2) elevation and elevation-change data products. Article in Journal/Newspaper Airborne Topographic Mapper Greenland Ice Sheet The Cryosphere Directory of Open Access Journals: DOAJ Articles Greenland Mabel ENVELOPE(-44.683,-44.683,-60.667,-60.667) The Cryosphere 11 2 681 692 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Environmental sciences GE1-350 Geology QE1-996.5 |
spellingShingle |
Environmental sciences GE1-350 Geology QE1-996.5 K. M. Brunt R. L. Hawley E. R. Lutz M. Studinger J. G. Sonntag M. A. Hofton L. C. Andrews T. A. Neumann Assessment of NASA airborne laser altimetry data using ground-based GPS data near Summit Station, Greenland |
topic_facet |
Environmental sciences GE1-350 Geology QE1-996.5 |
description |
A series of NASA airborne lidars have been used in support of satellite laser altimetry missions. These airborne laser altimeters have been deployed for satellite instrument development, for spaceborne data validation, and to bridge the data gap between satellite missions. We used data from ground-based Global Positioning System (GPS) surveys of an 11 km long track near Summit Station, Greenland, to assess the surface–elevation bias and measurement precision of three airborne laser altimeters including the Airborne Topographic Mapper (ATM), the Land, Vegetation, and Ice Sensor (LVIS), and the Multiple Altimeter Beam Experimental Lidar (MABEL). Ground-based GPS data from the monthly ground-based traverses, which commenced in 2006, allowed for the assessment of nine airborne lidar surveys associated with ATM and LVIS between 2007 and 2016. Surface–elevation biases for these altimeters – over the flat, ice-sheet interior – are less than 0.12 m, while assessments of measurement precision are 0.09 m or better. Ground-based GPS positions determined both with and without differential post-processing techniques provided internally consistent solutions. Results from the analyses of ground-based and airborne data provide validation strategy guidance for the Ice, Cloud, and land Elevation Satellite 2 (ICESat-2) elevation and elevation-change data products. |
format |
Article in Journal/Newspaper |
author |
K. M. Brunt R. L. Hawley E. R. Lutz M. Studinger J. G. Sonntag M. A. Hofton L. C. Andrews T. A. Neumann |
author_facet |
K. M. Brunt R. L. Hawley E. R. Lutz M. Studinger J. G. Sonntag M. A. Hofton L. C. Andrews T. A. Neumann |
author_sort |
K. M. Brunt |
title |
Assessment of NASA airborne laser altimetry data using ground-based GPS data near Summit Station, Greenland |
title_short |
Assessment of NASA airborne laser altimetry data using ground-based GPS data near Summit Station, Greenland |
title_full |
Assessment of NASA airborne laser altimetry data using ground-based GPS data near Summit Station, Greenland |
title_fullStr |
Assessment of NASA airborne laser altimetry data using ground-based GPS data near Summit Station, Greenland |
title_full_unstemmed |
Assessment of NASA airborne laser altimetry data using ground-based GPS data near Summit Station, Greenland |
title_sort |
assessment of nasa airborne laser altimetry data using ground-based gps data near summit station, greenland |
publisher |
Copernicus Publications |
publishDate |
2017 |
url |
https://doi.org/10.5194/tc-11-681-2017 https://doaj.org/article/be878dca7c0f4a3884ee105e3ce47e0e |
long_lat |
ENVELOPE(-44.683,-44.683,-60.667,-60.667) |
geographic |
Greenland Mabel |
geographic_facet |
Greenland Mabel |
genre |
Airborne Topographic Mapper Greenland Ice Sheet The Cryosphere |
genre_facet |
Airborne Topographic Mapper Greenland Ice Sheet The Cryosphere |
op_source |
The Cryosphere, Vol 11, Iss 2, Pp 681-692 (2017) |
op_relation |
http://www.the-cryosphere.net/11/681/2017/tc-11-681-2017.pdf https://doaj.org/toc/1994-0416 https://doaj.org/toc/1994-0424 1994-0416 1994-0424 doi:10.5194/tc-11-681-2017 https://doaj.org/article/be878dca7c0f4a3884ee105e3ce47e0e |
op_doi |
https://doi.org/10.5194/tc-11-681-2017 |
container_title |
The Cryosphere |
container_volume |
11 |
container_issue |
2 |
container_start_page |
681 |
op_container_end_page |
692 |
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