ITRF2008 plate motion model
International audience The ITRF2008 velocity field is demonstrated to be of higher quality and more precise than past ITRF solutions. We estimated an absolute tectonic plate motion model made up of 14 major plates, using velocities of 206 sites of high geodetic quality (far from plate boundaries, de...
Published in: | Journal of Geophysical Research: Solid Earth |
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Online Access: | https://insu.hal.science/insu-03583340 https://insu.hal.science/insu-03583340/document https://insu.hal.science/insu-03583340/file/Journal%20of%20Geophysical%20Research%20Solid%20Earth%20-%202012%20-%20Altamimi%20-%20ITRF2008%20plate%20motion%20model.pdf https://doi.org/10.1029/2011JB008930 |
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ftinsu:oai:HAL:insu-03583340v1 2024-02-04T09:55:38+01:00 ITRF2008 plate motion model Altamimi, Z. Métivier, Laurent Collilieux, X. Institut de Physique du Globe de Paris (IPGP) Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Université de La Réunion (UR)-Institut de Physique du Globe de Paris (IPG Paris)-Centre National de la Recherche Scientifique (CNRS) 2012 https://insu.hal.science/insu-03583340 https://insu.hal.science/insu-03583340/document https://insu.hal.science/insu-03583340/file/Journal%20of%20Geophysical%20Research%20Solid%20Earth%20-%202012%20-%20Altamimi%20-%20ITRF2008%20plate%20motion%20model.pdf https://doi.org/10.1029/2011JB008930 en eng HAL CCSD American Geophysical Union info:eu-repo/semantics/altIdentifier/doi/10.1029/2011JB008930 insu-03583340 https://insu.hal.science/insu-03583340 https://insu.hal.science/insu-03583340/document https://insu.hal.science/insu-03583340/file/Journal%20of%20Geophysical%20Research%20Solid%20Earth%20-%202012%20-%20Altamimi%20-%20ITRF2008%20plate%20motion%20model.pdf BIBCODE: 2012JGRB.117.7402A doi:10.1029/2011JB008930 http://hal.archives-ouvertes.fr/licences/copyright/ info:eu-repo/semantics/OpenAccess ISSN: 2169-9313 EISSN: 2169-9356 Journal of Geophysical Research : Solid Earth https://insu.hal.science/insu-03583340 Journal of Geophysical Research : Solid Earth, 2012, 117, p. 1617-1623. ⟨10.1029/2011JB008930⟩ [SDU]Sciences of the Universe [physics] info:eu-repo/semantics/article Journal articles 2012 ftinsu https://doi.org/10.1029/2011JB008930 2024-01-10T17:25:06Z International audience The ITRF2008 velocity field is demonstrated to be of higher quality and more precise than past ITRF solutions. We estimated an absolute tectonic plate motion model made up of 14 major plates, using velocities of 206 sites of high geodetic quality (far from plate boundaries, deformation zones and Glacial Isostatic Adjustment (GIA) regions), derived from and consistent with ITRF2008. The precision of the estimated model is evaluated to be at the level of 0.3 mm/a WRMS. No GIA corrections were applied to site velocities prior to estimating plate rotation poles, as our selected sites are outside the Fennoscandia regions where the GIA models we tested are performing reasonably well, and far from GIA areas where the models would degrade the fit (Antarctica and North America). Our selected velocity field has small origin rate bias components following the three axis (X, Y, Z), respectively 0.41 ± 0.54, 0.22 ± 0.64 and 0.41 ± 0.60 (95 per cent confidence limits). Comparing our model to NNR-NUVEL-1A and the newly available NNR-MORVEL56, we found better agreement with NNR-MORVEL56 than with NNR-NUVEL-1A for all plates, except for Australia where we observe an average residual rotation rate of 4 mm/a. Using our selection of sites, we found large global X-rotation rates between the two models (0.016°/Ma) and between our model and NNR-MORVEL56 of 0.023°/Ma, equivalent to 2.5 mm/a at the Earth surface. Article in Journal/Newspaper Antarc* Antarctica Fennoscandia Institut national des sciences de l'Univers: HAL-INSU Journal of Geophysical Research: Solid Earth 117 B7 n/a n/a |
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Open Polar |
collection |
Institut national des sciences de l'Univers: HAL-INSU |
op_collection_id |
ftinsu |
language |
English |
topic |
[SDU]Sciences of the Universe [physics] |
spellingShingle |
[SDU]Sciences of the Universe [physics] Altamimi, Z. Métivier, Laurent Collilieux, X. ITRF2008 plate motion model |
topic_facet |
[SDU]Sciences of the Universe [physics] |
description |
International audience The ITRF2008 velocity field is demonstrated to be of higher quality and more precise than past ITRF solutions. We estimated an absolute tectonic plate motion model made up of 14 major plates, using velocities of 206 sites of high geodetic quality (far from plate boundaries, deformation zones and Glacial Isostatic Adjustment (GIA) regions), derived from and consistent with ITRF2008. The precision of the estimated model is evaluated to be at the level of 0.3 mm/a WRMS. No GIA corrections were applied to site velocities prior to estimating plate rotation poles, as our selected sites are outside the Fennoscandia regions where the GIA models we tested are performing reasonably well, and far from GIA areas where the models would degrade the fit (Antarctica and North America). Our selected velocity field has small origin rate bias components following the three axis (X, Y, Z), respectively 0.41 ± 0.54, 0.22 ± 0.64 and 0.41 ± 0.60 (95 per cent confidence limits). Comparing our model to NNR-NUVEL-1A and the newly available NNR-MORVEL56, we found better agreement with NNR-MORVEL56 than with NNR-NUVEL-1A for all plates, except for Australia where we observe an average residual rotation rate of 4 mm/a. Using our selection of sites, we found large global X-rotation rates between the two models (0.016°/Ma) and between our model and NNR-MORVEL56 of 0.023°/Ma, equivalent to 2.5 mm/a at the Earth surface. |
author2 |
Institut de Physique du Globe de Paris (IPGP) Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Université de La Réunion (UR)-Institut de Physique du Globe de Paris (IPG Paris)-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Altamimi, Z. Métivier, Laurent Collilieux, X. |
author_facet |
Altamimi, Z. Métivier, Laurent Collilieux, X. |
author_sort |
Altamimi, Z. |
title |
ITRF2008 plate motion model |
title_short |
ITRF2008 plate motion model |
title_full |
ITRF2008 plate motion model |
title_fullStr |
ITRF2008 plate motion model |
title_full_unstemmed |
ITRF2008 plate motion model |
title_sort |
itrf2008 plate motion model |
publisher |
HAL CCSD |
publishDate |
2012 |
url |
https://insu.hal.science/insu-03583340 https://insu.hal.science/insu-03583340/document https://insu.hal.science/insu-03583340/file/Journal%20of%20Geophysical%20Research%20Solid%20Earth%20-%202012%20-%20Altamimi%20-%20ITRF2008%20plate%20motion%20model.pdf https://doi.org/10.1029/2011JB008930 |
genre |
Antarc* Antarctica Fennoscandia |
genre_facet |
Antarc* Antarctica Fennoscandia |
op_source |
ISSN: 2169-9313 EISSN: 2169-9356 Journal of Geophysical Research : Solid Earth https://insu.hal.science/insu-03583340 Journal of Geophysical Research : Solid Earth, 2012, 117, p. 1617-1623. ⟨10.1029/2011JB008930⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1029/2011JB008930 insu-03583340 https://insu.hal.science/insu-03583340 https://insu.hal.science/insu-03583340/document https://insu.hal.science/insu-03583340/file/Journal%20of%20Geophysical%20Research%20Solid%20Earth%20-%202012%20-%20Altamimi%20-%20ITRF2008%20plate%20motion%20model.pdf BIBCODE: 2012JGRB.117.7402A doi:10.1029/2011JB008930 |
op_rights |
http://hal.archives-ouvertes.fr/licences/copyright/ info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1029/2011JB008930 |
container_title |
Journal of Geophysical Research: Solid Earth |
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117 |
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B7 |
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1789959696392650752 |