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Remote sensing and climate change: observation in the Alps / K. Spannraft in Geoinformatics, vol 13 n° 6 (01/09/2010)
[article]
Titre : Remote sensing and climate change: observation in the Alps Type de document : Article/Communication Auteurs : K. Spannraft, Auteur ; K. Kalian, Auteur Année de publication : 2010 Article en page(s) : pp 20 - 23 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] Alpes
[Termes IGN] biodiversité
[Termes IGN] changement climatique
[Termes IGN] déformation de la croute terrestre
[Termes IGN] glacier
[Termes IGN] image optiqueRésumé : (Auteur) Climate change resounds more than ever throughout the land, and remote sensing analysis is becoming a commonly-used tool for geographers. This is particularly the case if the area of interest is large and not easy to access, such as in Alps, which shows one of the highest increases in temperature of the past decades. This articles gives an overview of the applications, as well as the limits, of remote sensing used to determine climate change impacts in the Alpine environment. In addition, it presents the outcome of a workshop on the topic of optical remote sensing of the Alpine environment held at the EGEA (European Geography Association for Students and Young Geographers) Western Regional Congress in Steinach am Brenner / Austria. Numéro de notice : A2010-344 Affiliation des auteurs : non IGN Thématique : BIODIVERSITE/IMAGERIE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=30538
in Geoinformatics > vol 13 n° 6 (01/09/2010) . - pp 20 - 23[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 262-2010061 SL Revue Centre de documentation Revues en salle Disponible Application of remote sensing and geographic information system in change detection of the Netravati and Gurpur river channels, Karnataka, India / A. Kumar in Geocarto international, vol 25 n° 5 (August 2010)
[article]
Titre : Application of remote sensing and geographic information system in change detection of the Netravati and Gurpur river channels, Karnataka, India Type de document : Article/Communication Auteurs : A. Kumar, Auteur ; K. Jayappa, Auteur ; B. Deepika, Auteur Année de publication : 2010 Article en page(s) : pp 397 - 425 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] cours d'eau
[Termes IGN] détection de changement
[Termes IGN] image IRS-LISS
[Termes IGN] Inde
[Termes IGN] séisme
[Termes IGN] système d'information géographique
[Termes IGN] tectoniqueRésumé : (Auteur) The Netravati and Gurpur (N-G) river basins are tectonically active due to a number of seismically active faults/lineaments and their proximity to Mulki-Pulicat Lake axis. The gradient of the river channels has gradually reduced (after ?10 km from their origin) and has forced the rivers to flow slowly in meandering and zigzag paths. The nature and intensity of meanders are governed by geological and tectonic conditions of the river basins. Significant changes in river channels, between the years 1910 and 2005, have been detected in three blocks - Block-I (Netravati) and Blocks-II and III (Gurpur) - and studied in detail by comparing topographic maps with Indian Remote Sensing Satellite, LISS-III images through GIS techniques. The block-wise qualitative and quantitative changes of these channels indicate that they are narrowed and migrate towards south due to neotectonic activities, formation of braided islands, variation in flow intensity and anthropogenic interventions like construction of vented dams and sand mining. Numéro de notice : A2010-312 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/10106049.2010.496004 Date de publication en ligne : 07/07/2010 En ligne : https://doi.org/10.1080/10106049.2010.496004 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=30506
in Geocarto international > vol 25 n° 5 (August 2010) . - pp 397 - 425[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 059-2010051 RAB Revue Centre de documentation En réserve L003 Disponible Characterizing long‐time scale hydrological effects on gravity for improved distinction of tectonic signals / Michel Van Camp in Journal of geophysical research : Solid Earth, Vol 115 n° B7 (July 2010)
[article]
Titre : Characterizing long‐time scale hydrological effects on gravity for improved distinction of tectonic signals Type de document : Article/Communication Auteurs : Michel Van Camp, Auteur ; Laurent Métivier , Auteur ; Olivier de Viron, Auteur ; Bruno Meurers, Auteur ; Simon D.P. Williams, Auteur Année de publication : 2010 Article en page(s) : 10 p. Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de géodésie spatiale
[Termes IGN] pesanteur terrestre
[Termes IGN] surcharge hydrologique
[Termes IGN] tectoniqueNuméro de notice : A2010-646 Affiliation des auteurs : LAREG+Ext (1991-2011) Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1029/2009JB006615 Date de publication en ligne : 16/07/2010 En ligne : https://doi.org/10.1029/2009JB006615 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=90746
in Journal of geophysical research : Solid Earth > Vol 115 n° B7 (July 2010) . - 10 p.[article]Documents numériques
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Characterizing long‐time scale hydrological effects ... - pdf éditeurAdobe Acrobat PDF Generation of three-dimensional deformation maps from InSAR data using spectral diversity techniques / E. Erten in ISPRS Journal of photogrammetry and remote sensing, vol 65 n° 4 (July - August 2010)
[article]
Titre : Generation of three-dimensional deformation maps from InSAR data using spectral diversity techniques Type de document : Article/Communication Auteurs : E. Erten, Auteur ; A. Reigber, Auteur ; O. Hellwich, Auteur Année de publication : 2010 Article en page(s) : pp 388 - 394 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image radar et applications
[Termes IGN] déformation de la croute terrestre
[Termes IGN] données localisées 3D
[Termes IGN] image Envisat-ASAR
[Termes IGN] image radar moirée
[Termes IGN] interferométrie différentielle
[Termes IGN] interféromètrie par radar à antenne synthétique
[Termes IGN] Iran
[Termes IGN] séismeRésumé : (Auteur) The capability of DInSAR (Differential Interferometric SAR) for precise large-scale deformation analysis has been shown in various case studies. Generally, DInSAR possesses a high potential for monitoring deformation, but only the velocity component parallel to the line-of-sight direction can be measured. An alternative approach, capable to retrieve the deformation velocity in both range and azimuth direction, is the so-called spectral diversity technique. Spectral diversity is based on a phase comparison between different sub-aperture interferograms of the scene and can generally be regarded as a high-performance technique for estimating the mis-registration between complex SAR images.
In this paper, the following questions will be discussed: how to implement the spectral diversity technique for achieving the most accurate results; how to extract the full 3D deformation vector from a combination of ascending/descending passes and how to extract a surface deformation map if the data sets are not perfectly coherent. Finally, a statistical analysis of every individual processing step and an error propagation analysis is undertaken. In order to make a quantitative analysis of the technique, ENVISAT data sets of the Bam earthquake in Iran are used.Numéro de notice : A2010-298 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.isprsjprs.2010.04.005 En ligne : https://doi.org/10.1016/j.isprsjprs.2010.04.005 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=30492
in ISPRS Journal of photogrammetry and remote sensing > vol 65 n° 4 (July - August 2010) . - pp 388 - 394[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 081-2010041 SL Revue Centre de documentation Revues en salle Disponible Topographically induced height errors in predicted atmospheric loading effects / Tonie M. van Dam in Journal of geophysical research : Solid Earth, Vol 115 n° B7 (July 2010)
[article]
Titre : Topographically induced height errors in predicted atmospheric loading effects Type de document : Article/Communication Auteurs : Tonie M. van Dam, Auteur ; Zuheir Altamimi , Auteur ; Xavier Collilieux , Auteur ; Jim Ray, Auteur Année de publication : 2010 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie physique
[Termes IGN] déformation verticale de la croute terrestre
[Termes IGN] hauteur ellipsoïdale
[Termes IGN] International Terrestrial Reference Frame
[Termes IGN] positionnement par GPS
[Termes IGN] pression atmosphérique
[Termes IGN] résidu
[Termes IGN] série temporelle
[Termes IGN] surcharge atmosphériqueRésumé : (auteur) Atmospheric pressure variations are known to induce vertical displacements of the Earth's surface with magnitudes large enough to be detected by geodetic observations. Estimates of these loading effects are derived using global reanalysis fields of surface pressure as input. The input surface pressure has a minimum spatial sampling, which does not capture true surface pressure variations due to high topographic variability in some regions. In this paper, we investigate the effect that unmodeled topographic variability has on surface pressure estimates and subsequent estimates of vertical surface displacements. We find that the estimated height changes from the topographic surface pressure can be significant (2–4 mm) for sites in regions of high topographic variability. When we compare the estimated height changes to Global Positioning System residuals from the 2005 International Terrestrial Reference Frame Realization, we find that the heights derived from the topographic surface pressure, versus those from the normal surface pressure, perform better at reducing the scatter on the height coordinate time series. Numéro de notice : A2010-657 Affiliation des auteurs : LAREG+Ext (1991-2011) Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1029/2009JB006810 Date de publication en ligne : 29/07/2010 En ligne : https://doi.org/10.1029/2009JB006810 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=91744
in Journal of geophysical research : Solid Earth > Vol 115 n° B7 (July 2010)[article]Voir aussiDocuments numériques
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Topographically induced height errors ... - pdf éditeurAdobe Acrobat PDF The crustal dynamics data information system: a resource to support scientific analysis using space geodesy / Carey E. Noll in Advances in space research, vol 45 n° 12 (15/06/2010)PermalinkVertical crustalmotion derived from satellite altimetry and tide gauges, and comparisons with DORIS measurements / R. Ray in Advances in space research, vol 45 n° 12 (15/06/2010)PermalinkUpper mantle rheology from GRACE and GPS postseismic deformation after the 2004 Sumatra‐Andaman earthquake / Isabelle Panet in Geochemistry, Geophysics, Geosystems, vol 11 n° 6 (June 2010)PermalinkOcean loading effects on the prediction of Antarctic glacial isostatic uplift and gravity rates / K. Simon in Journal of geodesy, vol 84 n° 5 (May 2010)PermalinkThe angular velocities of the plates and the velocity of Earth's centre from space geodesy / Donald F. Argus in Geophysical journal international, vol 180 n° 3 (March 2010)PermalinkDétermination du niveau des mers par satellites / Ecole nationale des sciences géographiques in Géomatique expert, n° 73 (01/02/2010)PermalinkAbsolute seafloor vertical positioning using combined pressure gauge and kinematic GPS data / Valérie Ballu in Journal of geodesy, vol 84 n° 1 (January 2010)PermalinkCoupling polarimetric L-Band insar and airborne lidar to characterize the geomorphological deformations in the piton de la fournaise volcano / Essam Heggy (2010)PermalinkEstimation of crustal vertical movements with GPS in a geocentric frame, within the framework of the TIGA project / Alvaro Santamaria Gomez (2010)PermalinkMéthodologie GPS, mesure des déformations verticales et humidité atmosphérique / Marie-Noëlle Bouin (2010)Permalink