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vol 85 n° 11 - November /2011 - GOCE - The gravity and steady state-ocean circulation explorer (Bulletin de Journal of geodesy) / International association of geodesy
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Titre : vol 85 n° 11 - November /2011 - GOCE - The gravity and steady state-ocean circulation explorer Type de document : Périodique Auteurs : International association of geodesy, Auteur Année de publication : 2011 Importance : 135 p. Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie
[Termes IGN] champ de pesanteur terrestre
[Termes IGN] géoïde
[Termes IGN] GOCE
[Termes IGN] gradiométrieNuméro de notice : 266-201111 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Numéro de périodique En ligne : http://link.springer.com/journal/190/85/11/page/1 Format de la ressource électronique : URL sommaire Permalink : https://documentation.ensg.eu/index.php?lvl=bulletin_display&id=16342 [n° ou bulletin] Contient
- Mission design, operation and exploitation of the gravity field and steady-state ocean circulation explorer mission / R. Floberghagen in Journal of geodesy, vol 85 n° 11 (November /2011)
- GOCE gravitational gradients along the orbit / Johannes Bouman in Journal of geodesy, vol 85 n° 11 (November /2011)
- GPS-derived orbits for the GOCE satellite / Heike Bock in Journal of geodesy, vol 85 n° 11 (November /2011)
- Validation of GOCE gravity field models by means of orbit residuals and geoid comparisons / Thomas Gruber in Journal of geodesy, vol 85 n° 11 (November /2011)
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Code-barres Cote Support Localisation Section Disponibilité 266-2011111 RAB Revue Centre de documentation En réserve L003 Disponible GPS-derived orbits for the GOCE satellite / Heike Bock in Journal of geodesy, vol 85 n° 11 (November /2011)
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Titre : GPS-derived orbits for the GOCE satellite Type de document : Article/Communication Auteurs : Heike Bock, Auteur ; Adrian Jäggi, Auteur ; U. Meyer, Auteur ; P. Visser, Auteur ; et al., Auteur Année de publication : 2011 Article en page(s) : pp 807 - 818 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Techniques orbitales
[Termes IGN] antenne GPS
[Termes IGN] GOCE
[Termes IGN] orbite basse
[Termes IGN] orbitographie
[Termes IGN] orbitographie par GNSS
[Termes IGN] positionnement cinématique
[Termes IGN] série temporelle
[Termes IGN] télémétrie laser sur satelliteRésumé : (Auteur) The first ESA (European Space Agency) Earth explorer core mission GOCE (Gravity field and steady-state Ocean Circulation Explorer) was launched on 17 March 2009 into a sun-synchronous dusk–dawn orbit with an exceptionally low initial altitude of about 280 km. The onboard 12-channel dual-frequency GPS (Global Positioning System) receiver delivers 1 Hz data, which provides the basis for precise orbit determination (POD) for such a very low orbiting satellite. As part of the European GOCE Gravity Consortium the Astronomical Institute of the University of Bern and the Department of Earth Observation and Space Systems are responsible for the orbit determination of the GOCE satellite within the GOCE High-level Processing Facility. Both quick-look (rapid) and very precise orbit solutions are produced with typical latencies of 1 day and 2 weeks, respectively. This article summarizes the special characteristics of the GOCE GPS data, presents POD results for about 2 months of data, and shows that both latency and accuracy requirements are met. Satellite Laser Ranging validation shows that an accuracy of 4 and 7 cm is achieved for the reduced-dynamic and kinematic Rapid Science Orbit solutions, respectively. The validation of the reduced-dynamic and kinematic Precise Science Orbit solutions is at a level of about 2 cm. Numéro de notice : A2011-469 Affiliation des auteurs : non IGN Thématique : IMAGERIE/POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1007/s00190-011-0484-9 Date de publication en ligne : 26/05/2011 En ligne : https://doi.org/10.1007/s00190-011-0484-9 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=31363
in Journal of geodesy > vol 85 n° 11 (November /2011) . - pp 807 - 818[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 266-2011111 RAB Revue Centre de documentation En réserve L003 Disponible Mission design, operation and exploitation of the gravity field and steady-state ocean circulation explorer mission / R. Floberghagen in Journal of geodesy, vol 85 n° 11 (November /2011)
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Titre : Mission design, operation and exploitation of the gravity field and steady-state ocean circulation explorer mission Type de document : Article/Communication Auteurs : R. Floberghagen, Auteur ; M. Fehringer, Auteur ; D. Lamarre, Auteur ; D. Muzi, Auteur ; et al., Auteur Année de publication : 2011 Article en page(s) : pp 749 - 758 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie physique
[Termes IGN] champ de pesanteur terrestre
[Termes IGN] circulation océanique
[Termes IGN] données GOCE
[Termes IGN] géoïde terrestre
[Termes IGN] GOCE
[Termes IGN] gradient de gravitation
[Termes IGN] gradiomètre
[Termes IGN] gravimétrie spatialeRésumé : (Auteur) The European Space Agency’s Gravity field and steady-state ocean circulation explorer mission (GOCE) was launched on 17 March 2009. As the first of the Earth Explorer family of satellites within the Agency’s Living Planet Programme, it is aiming at a better understanding of the Earth system. The mission objective of GOCE is the determination of the Earth’s gravity field and geoid with high accuracy and maximum spatial resolution. The geoid, combined with the de facto mean ocean surface derived from twenty-odd years of satellite radar altimetry, yields the global dynamic ocean topography. It serves ocean circulation and ocean transport studies and sea level research. GOCE geoid heights allow the conversion of global positioning system (GPS) heights to high precision heights above sea level. Gravity anomalies and also gravity gradients from GOCE are used for gravity-to-density inversion and in particular for studies of the Earth’s lithosphere and upper mantle. GOCE is the first-ever satellite to carry a gravitational gradiometer, and in order to achieve its challenging mission objectives the satellite embarks a number of world-first technologies. In essence the spacecraft together with its sensors can be regarded as a spaceborne gravimeter. In this work, we describe the mission and the way it is operated and exploited in order to make available the best-possible measurements of the Earth gravity field. The main lessons learned from the first 19 months in orbit are also provided, in as far as they affect the quality of the science data products and therefore are of specific interest for GOCE data users. Numéro de notice : A2011-467 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1007/s00190-011-0498-3 Date de publication en ligne : 18/10/2011 En ligne : https://doi.org/10.1007/s00190-011-0498-3 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=31361
in Journal of geodesy > vol 85 n° 11 (November /2011) . - pp 749 - 758[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 266-2011111 RAB Revue Centre de documentation En réserve L003 Disponible Absolute calibration of Jason radar altimeters from GPS kinematic campaigns over Lake Issykul / J.F. Cretaux in Marine geodesy, vol 34 n° 3-4 (July - december 2011)
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Titre : Absolute calibration of Jason radar altimeters from GPS kinematic campaigns over Lake Issykul Type de document : Article/Communication Auteurs : J.F. Cretaux, Auteur ; Stéphane Calmant, Auteur ; V. Romanovski, Auteur ; Félix Perosanz, Auteur ; et al., Auteur Année de publication : 2011 Article en page(s) : pp 291 - 318 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie spatiale
[Termes IGN] altimètre radar
[Termes IGN] campagne GPS
[Termes IGN] étalonnage d'instrument
[Termes IGN] GPS en mode pseudo-cinématique
[Termes IGN] Jason
[Termes IGN] KirghizistanRésumé : (Auteur) This study presents results of calibration/validation (C/V) of Jason-1 and Jason-2 satellite altimeters over Lake Issykkul located in Kyrgyzstan, which was chosen as a dedicated radar altimetry C/V site in 2004. The objectives here are to estimate absolute altimeter biases and to quantify the altimetry instrument error budgets for lakes studies, including errors associated with the atmosphere media delay corrections of the radar signal, and with the different retracking mode used over “nonocean” surface. The C/V is conducted using various equipments, for example, GPS local network, moving GPS along the satellites tracks over the Lake Issykkul, in situ level gauges and weather stations. The absolute bias obtained for Jason-1 and Jason-2 from field campaigns conducted in 2008, 2009 and 2010 are 96 + 40 mm and 162 + 42 mm, respectively. The bias calculated for Jason-1 is in close agreement with estimates done at other dedicated C/V sites in the ocean, but the Jason-2 bias still differs by 1–2 cm with ocean C/V estimates. The relative bias (Jason-2 minus Jason-1) deduced from measurements during the tandem mission is estimated at 81 + 10 mm. The accuracy of Jason-1 and Jason-2 for the determination of the lake level variations as compared to the historical in situ gauges of the Lake Issykkul is 33 and 31 mm RMS, respectively. The bias between the two modes of retracking available on Jason-2 Geophysical Data Records (GDRs) has been estimated over the two first years of Jason-2 data over the Lake Issykkul. We found an average value of 234 + 40 mm, which is in good agreement with results obtained in a previous study on the Envisat satellite (Crétaux et al. 2009). Lake level studies using Jason-2 or Envisat must therefore take this relative bias into account if both retracked altimetry heights are used. Numéro de notice : A2011-462 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article DOI : 10.1080/01490419.2011.584834 Date de publication en ligne : 22/08/2011 En ligne : https://doi.org/10.1080/01490419.2011.584834 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=31356
in Marine geodesy > vol 34 n° 3-4 (July - december 2011) . - pp 291 - 318[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 230-2011031 RAB Revue Centre de documentation En réserve L003 Disponible vol 34 n° 3-4 - July - december 2011 - Special issue on OSTM/Jason-2. Calibration/validation- part2 (Bulletin de Marine geodesy) / G. Born
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Titre : vol 34 n° 3-4 - July - december 2011 - Special issue on OSTM/Jason-2. Calibration/validation- part2 Titre original : Special issue on OSTM/Jason-2. Calibration/validation- part2 Type de document : Périodique Auteurs : G. Born, Éditeur scientifique ; S. Bulusu, Éditeur scientifique Année de publication : 2011 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie
[Termes IGN] acquisition de données
[Termes IGN] altimétrie satellitaire par radar
[Termes IGN] Jason
[Termes IGN] Ocean Surface Topography Mission
[Termes IGN] surface de la merNuméro de notice : 230-201103 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Numéro de périodique Permalink : https://documentation.ensg.eu/index.php?lvl=bulletin_display&id=21765 [n° ou bulletin] Contient
- Absolute calibration of Jason radar altimeters from GPS kinematic campaigns over Lake Issykul / J.F. Cretaux in Marine geodesy, vol 34 n° 3-4 (July - december 2011)
- The Harvest experiment LIDAR system : Water level measurement device comparison for Jason-1 and Jason-2/OSTM calibration / S. Washburn in Marine geodesy, vol 34 n° 3-4 (July - december 2011)
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Code-barres Cote Support Localisation Section Disponibilité 230-2011031 RAB Revue Centre de documentation En réserve L003 Disponible The Harvest experiment LIDAR system : Water level measurement device comparison for Jason-1 and Jason-2/OSTM calibration / S. Washburn in Marine geodesy, vol 34 n° 3-4 (July - december 2011)
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PermalinkLa théorie cinétique des gaz et la géodésie / Etienne Bernard in Bulletin d'information scientifique et technique de l'IGN, n° 77 (avril 2011)
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PermalinkPrecision orbit determination standards for the Jason series of altimeter missions / L. Cerri in Marine geodesy, vol 33 suppl 1 (August 2010)
Permalinkvol 31 n° 13 - July /2010 - Special issue : Satellite observations of the Wenchuan earthquake of 12 may 2008 (Bulletin de International Journal of Remote Sensing IJRS) / Ranjit Singh
PermalinkStudies of the electromagnetic field variations in ELF frequency range registred by DEMETER over the Sichuan region prior to the 12 mays 2008 earthquake / J. Blecki in International Journal of Remote Sensing IJRS, vol 31 n° 13 (July /2010)
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