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Titre : Geodetic Reference Frames, IAG Symposium Munich, Germany, 9-14 October 2006 Type de document : Actes de congrès Auteurs : Hermann Drewes, Éditeur scientifique Editeur : Berlin, Heidelberg, Vienne, New York, ... : Springer Année de publication : 2009 Collection : International Association of Geodesy Symposia, ISSN 0939-9585 num. 134 Conférence : IAG 2006, Symposium Geodetic Reference Frames 09/10/2006 14/10/2006 Munich Allemagne Proceedings Springer ISBN/ISSN/EAN : 978-3-642-00859-7 Langues : Anglais (eng) Numéro de notice : 17529 Affiliation des auteurs : non IGN Nature : Actes DOI : 10.1007/978-3-642-00860-3 En ligne : https://doi.org/10.1007/978-3-642-00860-3 Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=90683
Titre : Geomorphology of desert environments Type de document : Monographie Auteurs : Anthony J. Parsons, Auteur ; Athol D. Abrahams, Auteur Editeur : Berlin, Heidelberg, Vienne, New York, ... : Springer Année de publication : 2009 Importance : 831 p. Format : 21 x 27 cm ISBN/ISSN/EAN : 978-1-4020-5719-9 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomorphologie
[Termes IGN] changement climatique
[Termes IGN] climat aride
[Termes IGN] désert
[Termes IGN] dune
[Termes IGN] écosystème
[Termes IGN] érosion
[Termes IGN] hydrographie
[Termes IGN] roche
[Termes IGN] sédiment
[Termes IGN] vent de sable
[Termes IGN] zone arideRésumé : (éditeur) About one-third of the Earth's land surface experiences a desert climate, and this area supports approximately 15% of the planet's population. This percentage continues to grow, and with this growth comes the need to acquire and apply an understanding of desert geomorphology. Such an understanding is vital in managing scarce and fragile resources and in mitigating natural hazards. This authoritative reference book is comprehensive in its coverage of the geomorphology of desert environments, and is arranged thematically. It begins with an overview of global deserts, proceeds through treatments of weathering, hillslopes, rivers, piedmonts, lake basins, and aeolian surfaces, and concludes with a discussion of the role of climatic change. Written by a team of international authors, all of whom are active in the field, the chapters cover the spectrum of desert geomorphology. Note de contenu : 1- Introduction
2- Weathering
3- Hillslopes
4- Rivers
5- Piedmonts
6- Lake Basins
7- Aeolian Surfaces
8- Climatic ChangeNuméro de notice : 25829 Affiliation des auteurs : non IGN Nature : Monographie En ligne : https://doi.org/10.1007/978-1-4020-5719-9 Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=95151 Global Geodetic Observing System : Meeting the Requirements of a Global Society on a Changing Planet in 2020, ch. 2. The goals, achievements, and tools of modern geodesy / Hans-Peter Plag (2009)
Titre de série : Global Geodetic Observing System : Meeting the Requirements of a Global Society on a Changing Planet in 2020, ch. 2 Titre : The goals, achievements, and tools of modern geodesy Type de document : Chapitre/Contribution Auteurs : Hans-Peter Plag, Auteur ; Zuheir Altamimi , Auteur ; S. Bettadpur, Auteur ; et al., Auteur Editeur : Berlin, Heidelberg, Vienne, New York, ... : Springer Année de publication : 2009 Importance : pp 15 - 88 Note générale : bibliographie Langues : Français (fre) Résumé : (auteur) Friedrich Robert Helmert (1843-1917) defined geodesy as the science “of measurements and mappings of the Earth’s surface”. Over time, this definition of geodesy has been extended, mainly as a consequence of technological developments allowing geodesy to observe the Earth on global scales with high accuracy. Today, geodesy is the science of determining the geometry, gravity field, and rotation of the Earth and their evolution in time. This understanding of modern geodesy has led to the definition of the “three pillars of geodesy”, namely (1) Geokinematics, (2) Earth Rotation and (3) the Gravity Field (see Figure 1.1 on page 4). These three pillars are intrinsically linked to each other, and they jointly change as a consequence of dynamical processes in the Earth system as a whole. Numéro de notice : H2008-003 Affiliation des auteurs : LAREG+Ext (1991-2011) Nature : Chapître / contribution DOI : 10.1007/978-3-642-02687-4_2 Date de publication en ligne : 01/01/2009 En ligne : https://doi.org/10.1007/978-3-642-02687-4_2 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=102419 Global Geodetic Observing System : Meeting the Requirements of a Global Society on a Changing Planet in 2020, ch. 8. The future geodetic reference frame / T.A. Herring (2009)
Titre de série : Global Geodetic Observing System : Meeting the Requirements of a Global Society on a Changing Planet in 2020, ch. 8 Titre : The future geodetic reference frame Type de document : Chapitre/Contribution Auteurs : T.A. Herring, Auteur ; Zuheir Altamimi , Auteur ; Hans-Peter Plag, Auteur ; P. Poli, Auteur Editeur : Berlin, Heidelberg, Vienne, New York, ... : Springer Année de publication : 2009 Importance : pp 225 - 236 Note générale : bibliographie Langues : Français (fre) Résumé : (auteur) The ingredients for future geodetic reference frames can be separated into at least two categories, namely (1) theoretical, conventional, and definitional aspects, and (2) practical implementation aspects and physical components. In this Chapter, we focus on category (1). Numéro de notice : H2008-004 Affiliation des auteurs : LAREG+Ext (1991-2011) Nature : Chapître / contribution nature-HAL : ChOuvrScient DOI : 10.1007/978-3-642-02687-4_2 Date de publication en ligne : 01/01/2009 En ligne : https://doi.org/10.1007/978-3-642-02687-4_2 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=102420 Impact of the network effect on the origin and scale: case study of Satellite Laser Ranging / Xavier Collilieux (2009)
Titre : Impact of the network effect on the origin and scale: case study of Satellite Laser Ranging Type de document : Article/Communication Auteurs : Xavier Collilieux , Auteur ; Zuheir Altamimi , Auteur Editeur : Berlin, Heidelberg, Vienne, New York, ... : Springer Année de publication : 2009 Collection : International Association of Geodesy Symposia, ISSN 0939-9585 num. 133 Conférence : IAG 2007, International Association of Geodesy General Assembly 09/10/2006 14/10/2006 Perugia Italie Proceedings Springer Importance : pp 31 - 37 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Systèmes de référence et réseaux
[Termes IGN] analyse de sensibilité
[Termes IGN] données GPS
[Termes IGN] données TLS (télémétrie)
[Termes IGN] International Terrestrial Reference Frame
[Termes IGN] mouvement du géocentre
[Termes IGN] repère de référence
[Termes IGN] station permanente
[Termes IGN] transformation de HelmertRésumé : (auteur) The study of station non linear motions requires being able to discriminate between the local motion of every station and their global motion (e.g. geocenter motion). A common used approach consists in estimating Helmert parameters with respect to a secular reference frame. But if the network is small or not well distributed, the global parameters, and mainly the translation and scale parameters, will not be rigorously decorrelated from the station displacements. The distribution of the currently operating Satellite Laser Ranging (SLR) stations is one example of such a network. The understanding of the network effect needs an analysis of the station distribution over time. It appears that SLR station distribution on the X positive hemisphere of the Earth varies seasonally. We suggest here that using GPS results to constrain the estimation of SLR station displacements may improve the estimation of the Helmert parameters. These additional constraints as well as stochastic constraints are numerically tested here in a first attempt to limit the impact of the network effect. We show that the X component of the translation and the scale are the two parameters that are the most sensitive to any change in the configuration of the added constraints. Numéro de notice : C2009-027 Affiliation des auteurs : LAREG (1991-2011) Thématique : POSITIONNEMENT Nature : Communication nature-HAL : ComAvecCL&ActesPubliésIntl DOI : 10.1007/978-3-540-85426-5_4 En ligne : https://doi.org/10.1007/978-3-540-85426-5_4 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=90615 Making legends by means of painters' palettes / Sidonie Christophe (01/01/2009)PermalinkPermalinkPermalinkSpatial Information Theory, COSIT 2009, 9th International Conference, Aber Wrac'h, France, September 2009 / Kathleen Stewart Hornsby (2009)PermalinkPermalinkPermalinkPermalinkThe five points pose problem: A new and accurate solution adapted to any geometric configuration / Mahzad Kalantari (2009)PermalinkPermalinkWeb and wireless geographical information systems, 9th international symposium, W2GIS 2009, Maynothh, Ireland, December 2009 / James D. Carswell (2009)Permalink