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Comparison of polar ionospheric behavior at Arctic and Antarctic regions for improved satellite-based positioning / Arun Kumar Singh in Journal of applied geodesy, vol 15 n° 3 (July 2021)  

Public [article]  inJournal of applied geodesy > vol 15 n° 3 (July 2021) . - pp 269 - 277 Titre : Comparison of polar ionospheric behavior at Arctic and Antarctic regions for improved satellite-based positioning Type de document : Article/Communication Auteurs : Arun Kumar Singh, Auteur Année de publication : 2021 Article en page(s) : pp 269 - 277 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie spatiale [Termes IGN] amplitude [Termes IGN] Antarctique [Termes IGN] Arctique [Termes IGN] champ géomagnétique [Termes IGN] ionosphère [Termes IGN] magnétosphère [Termes IGN] phase [Termes IGN] pôle [Termes IGN] positionnement par GNSS [Termes IGN] retard ionosphèrique [Termes IGN] scintillation [Termes IGN] teneur totale en électrons [Termes IGN] variation temporelle Résumé : (Auteur) In this paper, we investigate the hemispheric symmetric and asymmetric characteristics of ionospheric total electron content (TEC) and its dependency on the interplanetary magnetic field (IMF) in the northern and southern polar ionosphere. The changes in amplitude and phase scintillation are also probed through Global Ionospheric Scintillation and TEC monitoring (GISTM) systems recordings at North pole [Himadri station; Geographic 78°55′ N, 11°56′ E] and South pole [Maitri station; Geographic 70°46′ S 11°44′ E]. Observations show the range of %TEC variability being relatively more over Antarctic region (−40 % to 60 %) than Arctic region (−25 % to 25 %), corroborating the role of the dominant solar photoionization production process. Our analysis confirms that TEC variation at polar latitudes is a function of magnetosphere-ionosphere coupling, depending on interplanetary magnetic field (IMF) orientation and magnitude in the X ( Bx), Y ( By), and Z ( Bz) plane. Visible enhancement in TEC is noticed in the northern polar latitude when Bx6nT and Bz>0 whereas the southern polar latitude perceives TEC enhancements with Bx>0, −6nT Numéro de notice : A2021-469 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1515/jag-2021-0033 date de publication en ligne : 22/06/2021 En ligne : https://doi.org/10.1515/jag-2021-0033 Format de la ressource électronique : URL Article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=98107 [article]

Analysis 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)  

Public [article]  inJournal of geodesy > vol 91 n° 8 (August 2017) . - pp 965–983 Titre : Analysis of decade-long time series of GPS-based polar motion estimates at 15-min temporal resolution Type de document : Article/Communication Auteurs : Aurore E. Sibois, Auteur ; Shailen Desai, Auteur ; Willy I. Bertiger, Auteur ; Bruce J. Haines, Auteur Année de publication : 2017 Article en page(s) : pp 965–983 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie physique [Termes IGN] analyse diachronique [Termes IGN] marée océanique [Termes IGN] mouvement du pôle [Termes IGN] nutation [Termes IGN] pôle [Termes IGN] positionnement par GPS [Termes IGN] série temporelle Résumé : (auteur) We present results from the generation of 10-year-long continuous time series of the Earth’s polar motion at 15-min temporal resolution using Global Positioning System ground data. From our results, we infer an overall noise level in our high-rate polar motion time series of 60 μas (RMS). However, a spectral decomposition of our estimates indicates a noise floor of 4 μas at periods shorter than 2 days, which enables recovery of diurnal and semidiurnal tidally induced polar motion. We deliberately place no constraints on retrograde diurnal polar motion despite its inherent ambiguity with long-period nutation. With this approach, we are able to resolve damped manifestations of the effects of the diurnal ocean tides on retrograde polar motion. As such, our approach is at least capable of discriminating between a historical background nutation model that excludes the effects of the diurnal ocean tides and modern models that include those effects. To assess the quality of our polar motion solution outside of the retrograde diurnal frequency band, we focus on its capability to recover tidally driven and non-tidal variations manifesting at the ultra-rapid (intra-daily) and rapid (characterized by periods ranging from 2 to 20 days) periods. We find that our best estimates of diurnal and semidiurnal tidally induced polar motion result from an approach that adopts, at the observation level, a reasonable background model of these effects. We also demonstrate that our high-rate polar motion estimates yield similar results to daily-resolved polar motion estimates, and therefore do not compromise the ability to resolve polar motion at periods of 2–20 days. Numéro de notice : A2017-462 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern En ligne : https://doi.org/10.1007/s00190-017-1001-6 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=86408 [article]

Effects of space weather on GOCE electrostatic gravity gradiometer measurements / Elmas Sinem Ince in Journal of geodesy, vol 90 n° 12 (December 2016)  

Public [article]  inJournal of geodesy > vol 90 n° 12 (December 2016) . - pp 1389 - 1403 Titre : Effects of space weather on GOCE electrostatic gravity gradiometer measurements Type de document : Article/Communication Auteurs : Elmas Sinem Ince, Auteur ; Spiros D. Pagiatakis, Auteur Année de publication : 2016 Article en page(s) : pp 1389 - 1403 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie physique [Termes IGN] champ de pesanteur terrestre [Termes IGN] champ magnétique local [Termes IGN] géophysique externe [Termes IGN] gradient de gravitation [Termes IGN] gradiomètre [Termes IGN] perturbation ionosphérique [Termes IGN] pôle Résumé : (Auteur) We examine the presence of residual nongravitational signatures in gravitational gradients measured by GOCE electrostatic gravity gradiometer. These signatures are observed over the magnetic poles during geomagnetically active days and can contaminate the trace of the gravitational gradient tensor by up to three to five times the expected noise level of the instrument (∼11 mE). We investigate these anomalies in the gradiometer measurements along many satellite tracks and examine possible causes using external datasets, such as interplanetary electric field measurements from the ACE (advanced composition explorer) and WIND spacecraft, and Poynting vector (flux) estimated from equivalent ionospheric currents derived from spherical elementary current systems over North America and Greenland. We show that the variations in the east-west and vertical electrical currents and Poynting vector components at the satellite position are highly correlated with the disturbances observed in the gradiometer measurements. The results presented in this paper reveal that the disturbances are due to intense ionospheric current variations that are enhanced by increased solar activity that causes a very dynamic drag environment. Moreover, successful modelling and removal of a high percentage of these disturbances are possible using external geomagnetic field observations. Numéro de notice : A2016-809 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1007/s00190-016-0931-8 En ligne : http://dx.doi.org/10.1007/s00190-016-0931-8 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=82601 [article]

Cartography from pole to pole [ICC 2013] / Manfred F. Buchroithner (2013)

Public Titre : Cartography from pole to pole [ICC 2013] : selected contributions to the XXVIth [26th] international conference of the ICA, Dresden, 2013 Type de document : Actes de congrès Auteurs : Manfred F. Buchroithner, Éditeur scientifique ; Nikolas Prechtel, Éditeur scientifique ; Dirk Burghardt, Éditeur scientifique Congrès : ICC 2013, 26th International Cartographic Conference ICA (25 - 30 août 2013; Dresde, Allemagne), Auteur Editeur : Berlin, Heidelberg, Vienne, New York, ... : Springer Année de publication : 2013 Collection : Lecture notes in Geoinformation and Cartography Sous-collection : Publications of the International Cartographic Association ICA Importance : 496 p. Format : 16 x 24 cm ISBN/ISSN/EAN : 978-3-642-32617-2 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Cartographie [Termes IGN] analyse spatiale [Termes IGN] carte archéologique [Termes IGN] carte en 3D [Termes IGN] carte interactive [Termes IGN] cartographie géologique [Termes IGN] cartographie numérique [Termes IGN] données démographiques [Termes IGN] données environnementales [Termes IGN] données localisées [Termes IGN] données spatiotemporelles [Termes IGN] données topographiques [Termes IGN] image Ikonos [Termes IGN] implémentation (informatique) [Termes IGN] infrastructure mondiale des données localisées [Termes IGN] Mercator (logiciel) [Termes IGN] modélisation environnementale [Termes IGN] pôle [Termes IGN] projection [Termes IGN] système d'information géographique [Termes IGN] télédétection [Termes IGN] toponymie Résumé : (Editeur) This volume comprehends a selection of papers presented during the 26th International Cartographic Conference held in Dresden from the 26th to the 30th of August 2013. It covers many fields of relevant Mapping and GIS research subjects, such as cartographic applications, cartographic tools, generalisation and update Propagation, higher dimensional visualisation and augmented reality, planetary mapping issues, cartography and environmental modelling, user generated content and spatial data infrastructure, use and usability as well as cartography and GIS in education. Note de contenu : Part 1 - Cartographic Applications - GéoPeuple: The Creation and the Analysis of Topographic and Demographic Data Over 200 Years (Anne Ruas, Christine Plumejeaud, Lucie Nahassia, Eric Grosso, Ana-Maria Olteanu, Benoit Costes, Marie-Christine Vouloir and Claude Motte) - Implementation of Cartographic and Digital Techniques in Orienteering Maps (László Zentai) - Map Projection Reconstruction of a Map by Mercator (Marina Rajakovic?, Ivka Kljajic? and Miljenko Lapaine) - The Pole is Impracticable but There is a Land Northward: Austro–Hungarian Pole Expedition and Mapping of the Franz Joseph Land (Mirela Altic?) Part 2 - Cartographic Tools - Enhancing the Locational Perception of Soft Classified Satellite Imagery Through Evaluation and Development of the Pixel Swapping Technique (Milad Niroumand Jadidi, Mahmoud Reza Sahebi and Mehdi Mokhtarzade) - A Digital Watermark Algorithm for Tile Map Stored by Indexing Mechanism (Na Ren, Chang-qing Zhu, Shu-jing Ren and Yi-shu Zhu) Part 3 - Generalisation and Update Propagation - Towards Cartographic Constraint Formalization for Quality Evaluation (Xiang Zhang, Tinghua Ai, Jantien Stoter and Jingzhong Li) - Preservation and Modification of Relations Between Thematic and Topographic Data Throughout Thematic Data Migration Process (Kusay Jaara, Cécile Duchêne and Anne Ruas) - A Novel Approach of Selecting Arterial Road Network for Route Planning Purpose (Hongchao Fan, Hongbo Gong and Qing Fu) - A Propagating Update Method of Multi-Represented Vector Map Data Based on Spatial Objective Similarity and Unified Geographic Entity Code (Yanxia Wang, Qingyun Du, Fu Ren and Zhiyuan Zhao) Part 4 - Higher Dimensional Visualisation and Augmented Reality - Visualization of Trajectory Attributes in Space–Time Cube and Trajectory Wall (Gennady Andrienko, Natalia Andrienko, Heidrun Schumann and Christian Tominski) - Visual Analysis of Lightning Data Using Space–Time-Cube (Stefan Peters, Hans-Dieter Betz and Liqiu Meng) - Silhouette-Based Label Placement in Interactive 3D Maps (Christine Lehmann and Jürgen Döllner) - A Framework for the Automatic Geometric Repair of CityGML Models (Junqiao Zhao, Jantien Stoter and Hugo Ledoux) - Augmented Reality Visualization of Archeological Data (Daniel Eggert, Dennis Hücker and Volker Paelke) - The Virtual Centimeter World Model (Franz Leberl) Part 5 - Planetary Mapping Issues - Jacobi Conformal Projection of the Triaxial Ellipsoid: New Projection for Mapping of Small Celestial Bodies (Maxim V. Nyrtsov, Maria E. Fleis, Michael M. Borisov and Philip J. Stooke) - Exploring Martian Climatologic Data Using Geovisualization: MARSIG a Spatio-Temporal Information System for Planetary Science (Paule-Annick Davoine, Christine Plumejeaud, Marlène Villanova-Oliver, Isaac Bareto, Pierre Beck, Bernad Schmit and Jérôme Gensel) - A Framework for Planetary Geologic Mapping (Andrea Naß and Stephan van Gasselt) - On the Concept and Integration of Geologic Time in Planetary Mapping (Stephan van Gasselt and Andrea Nass) Part 6 - Cartography and Environmental Modelling - Reservoir Water-Transparency Mapping by Means of Multispectral Ikonos Imagery (Adriana Castreghini de Freitas Pereira) - Landslide Susceptibility Mapping Along the National Road 32 of Vietnam Using GIS-Based J48 Decision Tree Classifier and Its Ensembles (Dieu Tien Bui, Tien Chung Ho, Inge Revhaug, Biswajeet Pradhan and Duy Ba Nguyen) - GIS-Based Landslide Susceptibility Mapping Using Remote Sensing Data and Machine Learning Methods (Fu Ren and Xueling Wu) - A New Algorithm for Extracting Drainage Networks from Gridded DEMs (Tao Wang) Part 7 - User Generated Content and Spatial Data Infrastructure -The Visitors: A Collective Methodology for Encountering and Documenting an Unfamiliar Cityscape (Laurene Vaughan) - Towards a Spatial Analysis of Toponym Endings (Tobias Dahinden) - A Contextual ICA Stakeholder Model Approach for the Namibian Spatial Data Infrastructure (NamSDI) (Kisco M. Sinvula, Serena Coetzee, Antony K. Cooper, Emma Nangolo, Wiafe Owusu-Banahene, Victoria Rautenbach and Martin Hipondoka) - Exploring the Impact of a Spatial Data Infrastructure on Value-Added Resellers and Vice Versa (Antony K. Cooper, Serena Coetzee, Petr Rapant, Dominique Laurent, David M. Danko, Adam Iwaniak, Ammatzia Peled, Harold Moellering and Ulrich Düren) Part 8 - Use and Usability - Geospatial Data Collection/Use in Disaster Response: A United States Nationwide Survey of State Agencies (Michael E. Hodgson, Sarah E. Battersby, Bruce A. Davis, Shufan Liuand Leanne Sulewski) - Commonalities and Differences in Eye Movement Behavior When Exploring Aerial and Terrestrial Scenes (Sebastian Pannasch, Jens R. Helmert, Bruce C. Hansen, Adam M. Larson and Lester C. Loschky) - Understanding Soil Acidification Process Using Animation and Text: An Empirical User Evaluation With Eye Tracking (P. Russo, C. Pettit, A. Coltekin, M. Imhof, M. Cox and C. Bayliss) Part 9 - Cartography and GIS in Education - Perspectives on Developing Critical Human GI Capacity in a Developing Country Context (Felicia O. Akinyemi) - Issues in Cartographic Education: How and How Many? (David Fairbairn) - The State of GISc Education and SDI Implementation in the SADC Countries: A Comparative Study (Sanet Eksteen and Serena Coetzee) - New Technologies as Educational Resources for Teaching Cartography: A Case Study in Guinea-Bissau (Inês Mario Nosoline, Angelica C.) Numéro de notice : 20992 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Actes Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=34955

Contient

• Preservation and modification of relations between thematic and topographic data throughout thematic data migration process / Kusay Jaara (August 2013)  
• GéoPeuple: The creation and the analysis of topographic and demographic data over 200 years / Anne Ruas (2013)  

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L'aventure cartographique / Jean Lefort (2004)

Public Titre : L'aventure cartographique Type de document : Monographie Auteurs : Jean Lefort, Auteur Editeur : Paris : Belin Année de publication : 2004 Collection : Pour la science Importance : 320 p. Format : 19 x 24 cm ISBN/ISSN/EAN : 978-2-84245-069-4 Note générale : Bibliographie Langues : Français (fre) Descripteur : [Vedettes matières IGN] Cartographie [Termes IGN] carte ancienne [Termes IGN] carte de Cassini [Termes IGN] coordonnées [Termes IGN] données satellitaires [Termes IGN] figure de la Terre [Termes IGN] géographe [Termes IGN] géographie historique [Termes IGN] géoïde [Termes IGN] Global Positioning System [Termes IGN] histoire de la cartographie [Termes IGN] horlogerie [Termes IGN] image EROS [Termes IGN] instrument ancien [Termes IGN] latitude [Termes IGN] longitude [Termes IGN] nouvelle triangulation de la France [Termes IGN] Picard, Jean [Termes IGN] pôle [Termes IGN] projection Universal Transverse Mercator [Termes IGN] Ptolomée, Claude Résumé : (Editeur) Pourquoi le calcul des longitudes n'a-t-il pu être maîtrisé qu'après l'invention du chronomètre de marine en 1735, alors que celui des latitudes l'était déjà 1600 ans plus tôt ? Cet ouvrage réussit le tour de force de synthétiser 25 siècles d'histoire de la cartographie en un récit passionnant et riche en anecdotes. L'auteur y dévoile les dessous de la science cartographique, des premières expériences d'Eratosthène jusqu'aux travaux les plus récents de géodésie spatiale. L'histoire des concepts et des outils mathématiques de la cartographie y est présentée comme une grande aventure humaine, celle des savants et des explorateurs, de leurs rêves aux péripéties de leurs voyages, de leur vision du monde à la mise au point de leurs instruments. Numéro de notice : 12639 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Monographie Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=54732

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Déformations verticales de la croûte terrestre / A.R. DE La Barreda (2000)

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Newton avait raison : la Terre est aplatie aux pôles / J. Smith in Géomètre, vol 1999 n° 1 (janvier 1999)

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Modern techniques in geodesy and surveying / Nordic Geodetic Commission NGC (1989)

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The Fennoscandian land uplift gravity lines 1966-1984 / J. Makinen (1986)

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Synthèse de l'évolution de la géodésie appliquée pendant les dernières décennies / U.V. Twembeke in Géomètre, vol 1985 n° 10 (octobre 1985)

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Collecte et traitement de données issues de la poursuite de satellites artificiels / M. Berge (1985)

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Fifth 5th international symposium Geodesy and physics of the Earth Proceedings, 1. Volume 1 / Deutsche Akademie der Wissenschaft (1985)

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Fifth 5th international symposium Geodesy and physics of the Earth Proceedings, 2. Volume 2 / Deutsche Akademie der Wissenschaft (1985)

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Proceedings of the International Conference on Earth rotation and the Terrestrial Reference Frame, July 31 - August 2, 1985, Colombus, Ohio, 1. Volume 1 / Ivan I. Mueller (1985)

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Proceedings of the International Conference on Earth rotation and the Terrestrial Reference Frame, July 31 - August 2, 1985, Colombus, Ohio, 2. Volume 2 / Ivan I. Mueller (1985)

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