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The international DORIS service contribution to ITRF2020 / Guilhem Moreaux in Advances in space research, vol inconnu (2023)
[article]
Titre : The international DORIS service contribution to ITRF2020 Type de document : Article/Communication Auteurs : Guilhem Moreaux, Auteur ; Franck G. Lemoine, Auteur ; Hugues Capdeville, Auteur ; Michiel Otten, Auteur ; Petr Štěpánek, Auteur ; Jérôme Saunier , Auteur ; Pascale Ferrage, Auteur Année de publication : 2023 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Systèmes de référence et réseaux
[Termes IGN] combinaison au niveau des observations
[Termes IGN] DORIS
[Termes IGN] International Terrestrial Reference Frame
[Termes IGN] mouvement du pôleRésumé : (autuer) For the realization of the 2020 International Terrestrial Reference Frame (ITRF2020), the International DORIS Service delivered to the International Earth Rotation and Reference Systems Service (IERS) a set of 1456 weekly solution files from 1993.0 to 2021.0 including station coordinates and Earth orientation parameters (EOPs). The data come from fourteen DORIS satellites: TOPEX/Poseidon, SPOT-2, SPOT-3, SPOT-4, SPOT-5, Envisat, Jason-1, Jason-2, Cryosat-2, Saral, HY-2A, Jason-3, Sentinel-3A and Sentinel-3B. In their processing, the four analysis centers which contributed to the DORIS combined solution used the latest time variable gravity models, the new mean pole and diurnal-subdiurnal tidal EOP models recommended by IERS. In addition, all the analysis centers included in their processing precise SPOT-5 solar panel angle values and quaternions for, at least, the Jason satellites. Furthermore, a new Alcatel phase center variation model was implemented for the ITRF2020 processing. The main objective of this study is to present the combination process and to analyze the impact of the new modeling on the performance of the new combined solution. Comparisons with the IDS contribution to ITRF2014 show that i) the application of the new phase center variations for the Alcatel DORIS ground antennas in the data processing combined with the gradual replacement over time of the Alcatel by Starec antennas implies a scale drift from 1993.0 to 2002.5 and ii) thanks to a better modeling of the surface forces on the satellites, the new combined solution shows smaller annual and 118-day signals in the geocenter. A new DORIS terrestrial reference frame was computed to evaluate the intrinsic quality of the new combined solution. That evaluation shows that over almost the full time span the intrinsic IDS scale values lie in a range of mm. After mid-2008, the new DORIS reference frame has an internal position consistency in North-East-Up better than 7.5 mm. Numéro de notice : A2023-083 Affiliation des auteurs : IGN+Ext (2020- ) Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.asr.2022.07.012 Date de publication en ligne : 15/07/2022 En ligne : https://doi.org/10.1016/j.asr.2022.07.012 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=101349
in Advances in space research > vol inconnu (2023)[article]Free decay and excitation of the chandler wobble: self-consistent estimates of the period and quality factor / Wei Chen in Journal of geodesy, vol 97 n° 4 (April 2023)
[article]
Titre : Free decay and excitation of the chandler wobble: self-consistent estimates of the period and quality factor Type de document : Article/Communication Auteurs : Wei Chen, Auteur ; Yifei Chen, Auteur ; et al., Auteur Année de publication : 2023 Article en page(s) : n° 36 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie physique
[Termes IGN] mouvement du pôle
[Termes IGN] terme de ChandlerRésumé : (auteur) The period TCW and quality factor QCW of the Chandler wobble (CW) as well as polar motion (PM) transfer functions are all determined by the Earth’s layered structure, mass distribution, elasticity, rheology and energy dissipation, via the Earth’s dynamic figure parameters and complex degree-2 Love numbers. However, most previous studies used geophysical excitations derived from real-valued PM transfer functions to invert for TCW and QCW, thus leading to results that are not self-consistent. By separating the observed PM into the freely decaying CW and the excited PM, a traverse-based method is proposed to search values of TCW and QCW that can fit both sides simultaneously, yielding the self-consistent estimates of TCW = 430.4 mean solar days and QCW = 130. This implies the degree-2 tidal Love number k = 0.35011 − 0.00226i and load Love number k' = − 0.36090 + 0.00233i, and the PM transfer functions TNL = 1.80001 − 0.00692i (non-loading) and TL = 1.15040 − 0.00023i (loading) valid at the Chandler period. Numéro de notice : A2023-176 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article DOI : 10.1007/s00190-023-01727-z Date de publication en ligne : 10/04/2023 En ligne : https://doi.org/10.1007/s00190-023-01727-z Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=103287
in Journal of geodesy > vol 97 n° 4 (April 2023) . - n° 36[article]A determination of the motion based on GNSS observations between 2000 and 2021 using the IGS points in the polar regions / Atinç Pirti in Geodesy and cartography, vol 48 n° 3 (October 2022)
[article]
Titre : A determination of the motion based on GNSS observations between 2000 and 2021 using the IGS points in the polar regions Type de document : Article/Communication Auteurs : Atinç Pirti, Auteur Année de publication : 2022 Article en page(s) : pp 177 - 184 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] analyse diachronique
[Termes IGN] Antarctique
[Termes IGN] Arctique
[Termes IGN] données GNSS
[Termes IGN] international GPS service for geodynamics
[Termes IGN] International Terrestrial Reference Frame
[Termes IGN] mouvement du pôle
[Termes IGN] réseau géodésique
[Termes IGN] série temporelle
[Vedettes matières IGN] Traitement de données GNSSRésumé : (auteur) People are fascinated today more than ever by the polar regions of the Earth. One reason for this is that wide expanses of the Arctic and Antarctic have not been explored and are therefore still viewed as frontier regions. Another is that they both have very diverse histories with regard to their origins and ice formation. Their numerous aspects still pose many puzzles for science today. The regions of the Earth designated as polar are those areas located between the North or South Pole and the Arctic or Antarctic Circles, respectively. The northern polar region, called the Arctic, encompasses the Arctic Ocean and a portion of some surrounding land masses. The southern polar region, called the Antarctic, contains the continent of Antarctica and areas of the surrounding Southern Ocean. In this paper three tests (2000, 2010 and 2021) of continuous GNSS data recorded by 8 permanent International GPS Service (IGS) stations in both Polar Regions have been processed by using CSRS-PPP Software for geodetic networks. The results also show that all GNSS provide good visibility with low elevation angles, whereas with high elevation angles, which might be needed due to natural barriers, the GLONASS and other satellites provides the highest number of visible satellites. Consequently, the mean motion of the study area was found approximately 7–15 cm for horizontal components (X–Y) and 6 cm for vertical components (Ellipsoidal Height) on the eight IGS points in the both poles. Numéro de notice : A2022-761 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article DOI : 10.3846/gac.2022.14848 Date de publication en ligne : 02/09/2022 En ligne : https://doi.org/10.3846/gac.2022.14848 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=101777
in Geodesy and cartography > vol 48 n° 3 (October 2022) . - pp 177 - 184[article]
Titre : Beyond 100: The Next Century in Geodesy : Proceedings of the IAG General Assembly, Montreal, Canada, July 8-18, 2019 Type de document : Actes de congrès Auteurs : J. Freymueller, Éditeur scientifique ; Laura Sánchez, Éditeur scientifique Editeur : Berlin, Heidelberg, Vienne, New York, ... : Springer Année de publication : 2022 Collection : International Association of Geodesy Symposia, ISSN 0939-9585 num. 152 Conférence : IAG 2019, General Assembly 08/07/2019 18/07/2019 Montreal Canada OA proceedings Importance : 663 p. Format : 16 x 24 cm ISBN/ISSN/EAN : 978-3-031-09857-4 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie
[Termes IGN] géodynamique
[Termes IGN] hydrosphère
[Termes IGN] marée terrestre
[Termes IGN] modèle de géopotentiel
[Termes IGN] positionnement par GNSS
[Termes IGN] positionnement ponctuel précis
[Termes IGN] rotation de la Terre
[Termes IGN] système de référence géodésiqueRésumé : (éditeur) This open access book contains 30 peer-reviewed papers based on presentations at the 27th General Assembly of the International Union of Geodesy and Geophysics (IUGG). The meeting was held from July 8 to 18, 2019 in Montreal, Canada, with the theme being the celebration of the centennial of the establishment of the IUGG. The centennial was also a good opportunity to look forward to the next century, as reflected in the title of this volume. The papers in this volume represent a cross-section of present activity in geodesy, and highlight the future directions in the field as we begin the second century of the IUGG. During the meeting, the International Association of Geodesy (IAG) organized one Union Symposium, 6 IAG Symposia, 7 Joint Symposia with other associations, and 20 business meetings. In addition, IAG co-sponsored 8 Union Symposia and 15 Joint Symposia. In total, 3952 participants registered, 437 of them with IAG priority. In total, there were 234 symposia and 18 Workshops with 4580 presentations, of which 469 were in IAG-associated symposia. Note de contenu : I- Multi-Signal Positioning, Remote Sensing and Applications
II- Monitoring and Understanding the Dynamic Earth with Geodetic Observations
III- Geodesy for Atmospheric and Hydrospheric Climate Research (IAG, IAMAS, IACS, IAPSO)Numéro de notice : 24104 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Actes DOI : sans En ligne : https://link.springer.com/book/10.1007/978-3-031-09857-4?page=2#toc Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=102748 Baseline-dependent clock offsets in VLBI data analysis / Hana Krásná in Journal of geodesy, vol 95 n° 12 (December 2021)
[article]
Titre : Baseline-dependent clock offsets in VLBI data analysis Type de document : Article/Communication Auteurs : Hana Krásná, Auteur ; Frédéric Jaron, Auteur ; Jacob Gruber, Auteur ; et al., Auteur Année de publication : 2021 Article en page(s) : n° 126 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Systèmes de référence et réseaux
[Termes IGN] bande S
[Termes IGN] décalage d'horloge
[Termes IGN] données ITGB
[Termes IGN] horloge atomique
[Termes IGN] interférométrie à très grande base
[Termes IGN] ligne de base
[Termes IGN] paramètres d'orientation de la Terre
[Termes IGN] retard ionosphèriqueRésumé : (auteur) The primary goal of the geodetic Very Long Baseline Interferometry (VLBI) technique is to provide highly accurate terrestrial and celestial reference frames as well as Earth orientation parameters. In compliance with the concept of VLBI, additional parameters reflecting relative offsets and variations of the atomic clocks of the radio telescopes have to be estimated. In addition, reality shows that in many cases significant offsets appear in the observed group delays for individual baselines which have to be compensated for by estimating so-called baseline-dependent clock offsets (BCOs). For the first time, we systematically investigate the impact of BCOs to stress their importance for all kinds of VLBI data analyses. For our investigations, we concentrate on analyzing data from both legacy networks of the CONT17 campaign. Various aspects of BCOs including their impact on the estimates of geodetically important parameters, such as station coordinates and Earth orientation parameters, are investigated. In addition, some of the theory behind the BCO determination, e.g., the impact of changing the reference clock in the observing network on the BCO estimate is introduced together with the relationship between BCOs and triangle delay closures. In conclusion, missing channels, and here in particular at S band, affecting the ionospheric delay calibration, are identified to be the dominant cause for the occurrence of significant BCOs in VLBI data analysis. Numéro de notice : A2021-815 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1007/s00190-021-01579-5 Date de publication en ligne : 01/11/2021 En ligne : https://doi.org/10.1007/s00190-021-01579-5 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=98896
in Journal of geodesy > vol 95 n° 12 (December 2021) . - n° 126[article]Assessment of degree-2 order-1 gravitational changes from GRACE and GRACE Follow-on, Earth rotation, satellite laser ranging, and models / Jianli Chen in Journal of geodesy, vol 95 n° 4 (April 2021)PermalinkPerformance of a solution of the direct geodetic problem by Taylor series of Cartesian coordinates / Christian Marx in Journal of geodetic science, vol 11 n° 1 (January 2021)PermalinkSub-daily polar motion from GPS, GLONASS, and Galileo / Radoslaw Zajdel in Journal of geodesy, vol 95 n° 1 (January 2021)PermalinkInclusion of GPS clock estimates for satellites Sentinel-3A/3B in DORIS geodetic solutions / Petr Štěpánek in Journal of geodesy, vol 94 n° 12 (December 2020)PermalinkGeodetic VLBI for precise orbit determination of Earth satellites: a simulation study / Grzegorz Klopotek in Journal of geodesy, vol 94 n° 6 (June 2020)PermalinkSmoothing and predicting celestial pole offsets using a Kalman filter and smoother / Jolanta Nastula in Journal of geodesy, Vol 94 n°3 (March 2020)PermalinkPermalinkImpact of network constraining on the terrestrial reference frame realization based on SLR observations to LAGEOS / Radoslaw Zajdel in Journal of geodesy, vol 93 n°11 (November 2019)PermalinkLunar Laser Ranging: a tool for general relativity, lunar geophysics and Earth science / Jurgen Müller in Journal of geodesy, vol 93 n°11 (November 2019)PermalinkA generalized theory of the figure of the Earth : on the global dynamical flattening / Chenjun Liu in Journal of geodesy, vol 93 n° 3 (March 2019)PermalinkInfluence of subdaily model for polar motion on the estimated GPS satellite orbits / Natalia Panafidina in Journal of geodesy, vol 93 n° 2 (February 2019)PermalinkAtmospheric angular momentum related to Earth rotation studies: history and modern developments / David A. Salstein (2019)PermalinkConsistent realization of celestial and terrestrial reference frames / Younghee Kwak in Journal of geodesy, vol 92 n° 9 (September 2018)PermalinkFuture global SLR network evolution and its impact on the terrestrial reference frame / Alexander Kehm in Journal of geodesy, vol 92 n° 6 (June 2018)PermalinkLong-term prediction of polar motion using a combined SSA and ARMA model / Y. Shen in Journal of geodesy, vol 92 n° 3 (March 2018)PermalinkDependency of geodynamic parameters on the GNSS constellation / Stefano Scaramuzza in Journal of geodesy, vol 92 n° 1 (January 2018)PermalinkHydrological excitation of polar motion by different variables from the GLDAS models / Malgorzata Winska in Journal of geodesy, vol 91 n° 12 (December 2017)PermalinkBasic Earth's Parameters as estimated from VLBI observations / Ping Zhu in Geodesy and Geodynamics, vol 8 n° 6 (November 2017)PermalinkIGS polar motion measurement accuracy / Jim Ray in Geodesy and Geodynamics, vol 8 n° 6 (November 2017)PermalinkAnalysis of decade-long time series of GPS-based polar motion estimates at 15-min temporal resolution / Aurore E. Sibois in Journal of geodesy, vol 91 n° 8 (August 2017)PermalinkA global terrestrial reference frame from simulated VLBI and SLR data in view of GGOS / Susanne Glaser in Journal of geodesy, vol 91 n° 7 (July 2017)PermalinkThe extension of the parametrization of the radio source coordinates in geodetic VLBI and its impact on the time series analysis / Maria Karbon in Journal of geodesy, vol 91 n° 7 (July 2017)PermalinkMultivariate analysis of GPS position time series of JPL second reprocessing campaign / Ali Reza Amiri-Simkooei in Journal of geodesy, vol 91 n° 6 (June 2017)PermalinkGRACE era variability in the Earth's oblateness: a comparison of estimates from six different sources / Thierry Meyrath in Geophysical journal international, vol 208 n° 2 (February 2017)PermalinkOn the consistency of the current conventional EOP series and the celestial and terrestrial reference frames / Santiago Belda in Journal of geodesy, vol 91 n° 2 (February 2017)PermalinkLes références de temps et d'espace / Claude Boucher (2017)PermalinkThe International DORIS Service contribution to the 2014 realization of the International Terrestrial Reference Frame / Guilhem Moreaux in Advances in space research, vol 58 n° 12 (15 December 2016)PermalinkComplex demodulation in monitoring earth rotation by VLBI: testing the algorithm by analysis of long periodic EOP components / Agata Wielgosz in Artificial satellites, vol 51 n° 4 (December 2016)PermalinkUltra short-term prediction of pole coordinates via combination of empirical mode decomposition and neural networks / Yu Lei in Artificial satellites, vol 51 n° 4 (December 2016)PermalinkHigh-frequency Earth rotation variations deduced from altimetry-based ocean tides / Matthias Madzak in Journal of geodesy, vol 90 n° 11 (November 2016)PermalinkTesting impact of the strategy of VLBI data analysis on the estimation of Earth Orientation Parameters and station coordinates / Agata Wielgosz in Reports on geodesy and geoinformatics, vol 101 (June 2016)PermalinkCODE’s new ultra-rapid orbit and ERP products for the IGS / Simon Lutz in GPS solutions, vol 20 n° 2 (April 2016)PermalinkImpact of the arc length on GNSS analysis results / Simon Lutz in Journal of geodesy, vol 90 n° 4 (April 2016)PermalinkElliptic polarisation of the polar motion excitation / Christian Bizouard in Journal of geodesy, vol 90 n° 2 (February 2016)PermalinkCaractérisation des signaux et des bruits des séries temporelles du géocentre et des paramètres de rotation de la Terre (EOP) / Bachir Gourine in Bulletin des sciences géographiques, n° 30 (2015 - 2016)PermalinkThe International DORIS Service (IDS) : Recent developments in preparation for ITRF2013 / Pascal Willis (2016)PermalinkTrouver le Nord / Olivier Le Carrer (2016)PermalinkEarth rotation and geodynamics / Janusz Bogusz in Geodesy and cartography, vol 64 n° 2 (December 2015)PermalinkRevisiting the pole tide for and from satellite altimetry / Shailen Desai in Journal of geodesy, vol 89 n° 12 (december 2015)PermalinkPermalinkCODE’s new solar radiation pressure model for GNSS orbit determination / Daniel Arnold in Journal of geodesy, vol 89 n° 8 (August 2015)PermalinkSeparation of atmospheric, oceanic and hydrological polar motion excitation mechanisms based on a combination of geometric and gravimetric space observations / F. Göttl in Journal of geodesy, vol 89 n° 4 (April 2015)PermalinkDetermination of precise satellite orbits and geodetic parameters using satellite laser ranging / Krzysztof Sosnica (2015)PermalinkEarth orientation parameters estimated from VLBI during the CONT11 campaign / Tobias Nilsson in Journal of geodesy, vol 88 n° 5 (May 2014)PermalinkPermalinkJournées 2013, Systèmes de référence spatio-temporels, Paris, 16 - 18 September 2013 / Nicole Capitaine (2014)PermalinkNon-linear station motions in epoch and multi-year reference frames / Mathis Blossfeld in Journal of geodesy, vol 88 n° 1 (January 2014)PermalinkCombination of modeled short-term angular momentum function forecasts from atmosphere, ocean, and hydrology with 90-day EOP predictions / Robert Dill in Journal of geodesy, vol 87 n° 6 (June 2013)PermalinkImpact of seasonal station motions on VLBI UT1 intensives results / Zinovy Malkin in Journal of geodesy, vol 87 n° 6 (June 2013)PermalinkPermalinkPermalinkPermalinkZero-difference GPS ambiguity resolution at CNES–CLS IGS Analysis Center / Sylvain Loyer in Journal of geodesy, vol 86 n° 11 (November 2012)PermalinkAnalysis of 4 years (2002-2005) of laser data on Starlette, Stella and LAGEOS-1/2 satellites for stations coordinates and Earth orientations parameters (EOP) / Bachir Gourine in Bulletin des sciences géographiques, n° 27 (juin 2012)PermalinkIntroduction à l’astronomie de position / Jonathan Chenal (2012)PermalinkRobust determination of station positions and Earth orientation parameters by VLBI intra-technique combination / S. Böckmann (2012)PermalinkPermalinkITRF2008: an improved solution of the international terrestrial reference frame / Zuheir Altamimi in Journal of geodesy, vol 85 n° 8 (August 2011)PermalinkHigh-resolution atmospheric angular momentum functions related to Earth rotation parameters during CONT08 / Daniel Gambis in Journal of geodesy, vol 85 n° 7 (July 2011)PermalinkApplication des algorithmes génétiques à la recherche de sous-réseaux de stations de télémétrie laser / David Coulot in Bulletin d'information scientifique et technique de l'IGN, n° 77 (avril 2011)PermalinkRésultats récents du centre français GRGS d'analyse de données de télémétrie laser sur satellites / Florent Deleflie in Bulletin d'information scientifique et technique de l'IGN, n° 77 (avril 2011)PermalinkPermalinkPermalinkIntroduction à l’astronomie de position / Jonathan Chenal (2011)PermalinkPermalinkIDS contribution to ITRF2008 / Jean-Jacques Valette in Advances in space research, vol 46 n° 12 (15/12/2010)PermalinkRefining DORIS atmospheric drag estimation in preparation of ITRF2008 / Marie-Line Gobinddass in Advances in space research, vol 46 n° 12 (15/12/2010)PermalinkContributions of the French Institut Géographique National (IGN) to the International DORIS Service / Pascal Willis in Advances in space research, vol 45 n° 12 (15/06/2010)PermalinkGSFC DORIS contribution to ITRF2008 / Karine Le Bail in Advances in space research, vol 45 n° 12 (15/06/2010)PermalinkMantle dynamics, geoid, inertia and TPW since 120 Myr / Hélène Rouby in Earth and planetary science letters, vol 292 n° 3-4 (April 2010)PermalinkHomogeneous zenith total delay parameter estimation from European permanent GNSS sites / Wolfgang Söhne in Bulletin of geodesy and geomatics BGG, vol 69 n° 1 (March 2010)PermalinkGlobal optimization of core station networks for space geodesy: application to the referencing of the SLR EOP with respect to ITRF / David Coulot in Journal of geodesy, vol 84 n° 1 (January 2010)PermalinkPermalinkPermalinkJournées 2010, systèmes de référence spatio-temporels, Paris, 20-22 septembre 2010 / Nicole Capitaine (2010)PermalinkSciences of geodesy, vol 1. Advanced and future directions / Guochang Xu (2010)PermalinkTransformation of amplitudes and frequencies of precession and nutation of the earth’s rotation vector to amplitudes and frequencies of diurnal polar motion / Bernd Richter in Journal of geodesy, vol 84 n° 1 (January 2010)PermalinkAn improved empirical model for the effect of long-period ocean tides on polar motion / Richard S. Gross in Journal of geodesy, vol 83 n° 7 (July 2009)PermalinkGlobal geodetic observing system for geohazards and global change / Hans-Peter Plag in Géosciences, n° 9 (avril 2009)PermalinkPermalinkIntroduction aux systèmes de références terrestres / Xavier Collilieux (2009)PermalinkPermalinkPhysically consistent system model for the study of the Earth's rotation, surface deformation and gravity field parameters / A. Hense (2009)PermalinkPolar motion modeling, analysis, and prediction with time dependent harmonic coefficients / Huseyin Baki Iz in Journal of geodesy, vol 82 n° 12 (December 2008)PermalinkThe impact of errors in polar motion and nutation on UT1 determinations from VLBI Intensive observations / Axel Nothnagel in Journal of geodesy, vol 82 n° 12 (December 2008)PermalinkRotational bulge and one plume convection pattern: Influence on Martian true polar wander [short paper] / Hélène Rouby in Earth and planetary science letters, vol 272 n° 1-2 (30 July 2008)PermalinkInteractions terre-atmosphère et rotation de la terre / Olivier de Viron in Géomatique expert, n° 63 (01/06/2008)PermalinkPermalinkPermalinkPermalinkVers un futur repère de référence céleste : Journées 2007, systèmes de référence spatio-temporels, Paris, 17-19 septembre 2007 / Nicole Capitaine (2008)PermalinkITRF2005: A new release of the International Terrestrial Reference Frame based on time series of station positions and Earth Orientation Parameters / Zuheir Altamimi in Journal of geophysical research : Solid Earth, vol 112 n° 9 (September 2007)PermalinkCombined Earth orientation parameters based on homogeneous and continuous VLBI and GPS data / Daniela Thaller in Journal of geodesy, vol 81 n° 6-8 (June - August 2007)PermalinkAnalysis of a possible future degradation in the DORIS geodetic results related to changes in the satellite constellation / Pascal Willis in Advances in space research, vol 39 n° 10 (May 2007)PermalinkPermalink