GPS as a geodetic tool for geodynamics in northern Victoria Land, Antarctica
The VLNDEF (Victoria Land Network for DEFormation control) project started in 1999 with the aim of detecting crustal deformation in Northern Victoria Land (Antarctica) over an area that had never been surveyed by a dense GPS network before. After a brief summary of the Italian geodetic activities ca...
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Online Access: | http://hdl.handle.net/11380/303892 https://doi.org/10.1017/s0954102007000156 |
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ftunivmodena:oai:iris.unimore.it:11380/303892 2024-06-23T07:46:52+00:00 GPS as a geodetic tool for geodynamics in northern Victoria Land, Antarctica A. Capra F. Mancini M. Negusini Capra, A. Mancini, F. Negusini, M. 2007 STAMPA http://hdl.handle.net/11380/303892 https://doi.org/10.1017/s0954102007000156 eng eng info:eu-repo/semantics/altIdentifier/wos/WOS:000244918600015 volume:19 issue:1 firstpage:107 lastpage:114 journal:ANTARCTIC SCIENCE http://hdl.handle.net/11380/303892 doi:10.1017/s0954102007000156 info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-34247521839 info:eu-repo/semantics/closedAccess Geodesy GPS Geodynamics Victoria land Antarctica info:eu-repo/semantics/article 2007 ftunivmodena https://doi.org/10.1017/s0954102007000156 2024-05-27T23:52:06Z The VLNDEF (Victoria Land Network for DEFormation control) project started in 1999 with the aim of detecting crustal deformation in Northern Victoria Land (Antarctica) over an area that had never been surveyed by a dense GPS network before. After a brief summary of the Italian geodetic activities carried out since 1991, the paper presents the results obtained from the processing of data collected from 1999 to 2003. In particular, processing strategies were dealt with, in order to produce horizontal and vertical displacement maps through GPS observations. Absolute motions in a global reference frame have been investigated using a double approach, which allowed us to make considerable progress in detecting movements and standardizing the data analysis. The analyses provide absolute horizontal velocities ranging between 17 mm yr(-1) and 8 mm yr(-1), with greater motions in the northernmost area. The subtraction of the rigid plate motion provides relative displacements, which may contribute to the understanding of neotectonics and geology, whereas the pattern of the vertical crustal motions detected, with average values of +1.3 mm yr(-1), is essential to detect the effect of Glacial Isostatic Adjustment (GIA) and other geophysical signals, and to redefine theory and numerical models used without any direct measurements. Article in Journal/Newspaper Antarc* Antarctica Victoria Land Archivio della ricerca dell'Università di Modena e Reggio Emilia (Unimore: IRIS) Victoria Land Antarctic Science 19 1 107 114 |
institution |
Open Polar |
collection |
Archivio della ricerca dell'Università di Modena e Reggio Emilia (Unimore: IRIS) |
op_collection_id |
ftunivmodena |
language |
English |
topic |
Geodesy GPS Geodynamics Victoria land Antarctica |
spellingShingle |
Geodesy GPS Geodynamics Victoria land Antarctica A. Capra F. Mancini M. Negusini GPS as a geodetic tool for geodynamics in northern Victoria Land, Antarctica |
topic_facet |
Geodesy GPS Geodynamics Victoria land Antarctica |
description |
The VLNDEF (Victoria Land Network for DEFormation control) project started in 1999 with the aim of detecting crustal deformation in Northern Victoria Land (Antarctica) over an area that had never been surveyed by a dense GPS network before. After a brief summary of the Italian geodetic activities carried out since 1991, the paper presents the results obtained from the processing of data collected from 1999 to 2003. In particular, processing strategies were dealt with, in order to produce horizontal and vertical displacement maps through GPS observations. Absolute motions in a global reference frame have been investigated using a double approach, which allowed us to make considerable progress in detecting movements and standardizing the data analysis. The analyses provide absolute horizontal velocities ranging between 17 mm yr(-1) and 8 mm yr(-1), with greater motions in the northernmost area. The subtraction of the rigid plate motion provides relative displacements, which may contribute to the understanding of neotectonics and geology, whereas the pattern of the vertical crustal motions detected, with average values of +1.3 mm yr(-1), is essential to detect the effect of Glacial Isostatic Adjustment (GIA) and other geophysical signals, and to redefine theory and numerical models used without any direct measurements. |
author2 |
Capra, A. Mancini, F. Negusini, M. |
format |
Article in Journal/Newspaper |
author |
A. Capra F. Mancini M. Negusini |
author_facet |
A. Capra F. Mancini M. Negusini |
author_sort |
A. Capra |
title |
GPS as a geodetic tool for geodynamics in northern Victoria Land, Antarctica |
title_short |
GPS as a geodetic tool for geodynamics in northern Victoria Land, Antarctica |
title_full |
GPS as a geodetic tool for geodynamics in northern Victoria Land, Antarctica |
title_fullStr |
GPS as a geodetic tool for geodynamics in northern Victoria Land, Antarctica |
title_full_unstemmed |
GPS as a geodetic tool for geodynamics in northern Victoria Land, Antarctica |
title_sort |
gps as a geodetic tool for geodynamics in northern victoria land, antarctica |
publishDate |
2007 |
url |
http://hdl.handle.net/11380/303892 https://doi.org/10.1017/s0954102007000156 |
geographic |
Victoria Land |
geographic_facet |
Victoria Land |
genre |
Antarc* Antarctica Victoria Land |
genre_facet |
Antarc* Antarctica Victoria Land |
op_relation |
info:eu-repo/semantics/altIdentifier/wos/WOS:000244918600015 volume:19 issue:1 firstpage:107 lastpage:114 journal:ANTARCTIC SCIENCE http://hdl.handle.net/11380/303892 doi:10.1017/s0954102007000156 info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-34247521839 |
op_rights |
info:eu-repo/semantics/closedAccess |
op_doi |
https://doi.org/10.1017/s0954102007000156 |
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Antarctic Science |
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19 |
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1 |
container_start_page |
107 |
op_container_end_page |
114 |
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1802648859900379136 |