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Simulation d'un SIG de la distribution spatiale de polluants / M. Erunova in Géomatique expert, n° 51 (01/06/2006)
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Titre : Simulation d'un SIG de la distribution spatiale de polluants Type de document : Article/Communication Auteurs : M. Erunova, Auteur ; A.A. Gosteva, Auteur ; M. Sadovsky, Auteur Année de publication : 2006 Article en page(s) : pp 46 - 55 Note générale : Bibliographie Langues : Français (fre) Descripteur : [Vedettes matières IGN] Applications SIG
[Termes IGN] analyse diachronique
[Termes IGN] biotope
[Termes IGN] distribution spatiale
[Termes IGN] écosystème
[Termes IGN] milieu naturel
[Termes IGN] polluant
[Termes IGN] risque de pollution
[Termes IGN] Russie
[Termes IGN] simulation
[Termes IGN] système d'information géographiqueRésumé : (Auteur) La rapide expansion des activités humaines et la consommation effrénée de ressources naturelles qui en est la conséquence directe se manifeste par une dégradation accélérée de l'environnement, spécialement dans les zones à climats rudes et à conditions naturelles exceptionnelles.[...] Cette étude vise à rechercher, à établir et à clarifier les relations qui existent entre la contamination par certains polluants et des variables spatiales comme le type de végétation, de sol, le réseau hydrographique ou le relief, au sein de la réserve Stolby. [...] Numéro de notice : A2006-279 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28006
in Géomatique expert > n° 51 (01/06/2006) . - pp 46 - 55[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 265-06041 RAB Revue Centre de documentation En réserve L003 Disponible ASTER observations of thermal anomalies preceding the April 2003 eruption of Chikurachki volcano, Kurile Islands, Russia / D. Pieri in Remote sensing of environment, vol 99 n° 1-2 (15 November 2005)
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Titre : ASTER observations of thermal anomalies preceding the April 2003 eruption of Chikurachki volcano, Kurile Islands, Russia Type de document : Article/Communication Auteurs : D. Pieri, Auteur ; Michael Abrams, Auteur Année de publication : 2005 Article en page(s) : pp 84 - 94 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] anomalie thermique
[Termes IGN] éruption volcanique
[Termes IGN] image Terra-ASTER
[Termes IGN] image thermique
[Termes IGN] rayonnement infrarouge thermique
[Termes IGN] risque naturel
[Termes IGN] Russie
[Termes IGN] surveillance géologique
[Termes IGN] tâche claireRésumé : (Auteur) Chikurachki volcano (Nothern Kurile Islands Chain, Paramushir Island 50° 20'N, 155° 27'E; elevation 1816 m, stratovolcano) has been in a state of unrest for over twenty years. Its most recent eruption that began in April 2003 was preceded by an eruption between January May 2002. Thermal infrared images from the Japanese-United States' Advanced Spacebome Thermal Emission and Reflection Radiometer (ASTER-5 TIR channels, 8-12 um, 90 m/pixel, Noise Equivalent Delta Temperature [NET] 0.1-0.3 K, onboard the U.S. National Aeronautics and Space Administration's Terra polar-orbiting spacecraft) of a snow-covered Chikurachki Volcano taken in January 2003 show muted evidence of thermal activity. ASTER thermal infrared (TIR) images from February 2003, however, indicate warmer areas within the summit crater. Average whole-pixel temperatures of adjacent summit slopes are in the range of 250-252 K, while many summit-crater whole pixel temperatures are 2-6 K greater. A two component Planck solution for the warmer pixels yields a solution of 275-277 K for 10-15% of the Chikurachki summit crater and 285-295 K for 25-35% of a prominent "hotspot'* on its flank. An interpretation of this enhanced pre-eruption heat flow is the presence of surface melt water. The detection in ASTER data of such subtle precursory heat-flow enhancement, even retrospectively, raises important issues for remote monitoring of "dormant" snow-capped volcanoes, especially those that threaten nearby populations, like Mt. Rainier. Numéro de notice : A2005-442 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.rse.2005.06.012 En ligne : https://doi.org/10.1016/j.rse.2005.06.012 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=27578
in Remote sensing of environment > vol 99 n° 1-2 (15 November 2005) . - pp 84 - 94[article]A simple and effective radiometric correction method to improve landscape change detection across sensors and across time / X. Chen in Remote sensing of environment, vol 98 n° 1 (30/09/2005)
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Titre : A simple and effective radiometric correction method to improve landscape change detection across sensors and across time Type de document : Article/Communication Auteurs : X. Chen, Auteur ; Lee Alexander Vierling, Auteur ; D. Deering, Auteur Année de publication : 2005 Article en page(s) : pp 63 - 79 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] analyse comparative
[Termes IGN] correction radiométrique
[Termes IGN] couvert végétal
[Termes IGN] détection de changement
[Termes IGN] données multitemporelles
[Termes IGN] Enhanced vegetation index
[Termes IGN] forêt boréale
[Termes IGN] groupe
[Termes IGN] image Landsat
[Termes IGN] image multitemporelle
[Termes IGN] Normalized Difference Vegetation Index
[Termes IGN] régression
[Termes IGN] SibérieRésumé : (Auteur) Satellite data offer unrivaled utility in monitoring and quantifying large scale land cover change over time. Radiometric consistency among collocated multi-temporal imagery is difficult to maintain, however, due to variations in sensor characteristics, atmospheric conditions, solar angle, and sensor view angle that can obscure surface change detection. To detect accurate landscape change using multitemporal images, we developed a variation of the pseudoinvariant feature (PIF) normalization scheme: the temporally invariant cluster (TIC) method. Image data were acquired on June 9, 1990 (Landsat 4), June 20, 2000 (Landsat 7), and August 26, 2001 (Landsat 7) to analyze boreal forest near the Siberian city of Krasnoyarsk using the normalized difference vegetation index (NDVI), enhanced vegetation index (EVI), and reduced simple ratio (RSR). The temporally invariant cluster (TIC) centers were identified via a point density map of collocated pixel VIs from the base image and the target image, and a normalization regression line was created to intersect all TIC centers. Target image VI values were then recalculated using the regression function so that these two images could be compared using the resulting common radiometric scale. We found that EVI was very indicative of vegetation structure because of its sensitivity to shadowing effects and could thus be used to separate conifer forests from deciduous forests and grass/crop lands. Conversely, because NDVI reduced the radiometric influence of shadow, it did not allow for distinctions among these vegetation types. After normalization, correlations of NDVI and EVI with forest leaf area index (LAI) field measurements combined for 2000 and 2001 were significantly improved; the r2 values in these regressions rose from 0.49 to 0.69 and from 0.46 to 0.61, respectively. An EVI "cancellation effect" where FVI was positively related to understory greenness but negatively related to forest canopy coverage was evident across a post fire chronosequence with normalized data. These findings indicate that the TIC method provides a simple, effective and repeatable method to create radiometrically comparable data sets for remote detection of landscape change. Compared to some previous relative radiometric normalization methods, this new method does not require high level programming and statistical skills, yet remains sensitive to landscape changes occurring over seasonal and inter-annual time scales. In addition, the TIC method maintains sensitivity to subtle changes in vegetation phenology and enables normalization even when invariant features are rare. While this normalization method allowed detection of a range of land use, land cover, and phonological/biophysical changes in the Siberian boreal forest region studied here, it is necessary to further examine images representing a wide variety of ecoregions to thoroughly evaluate the TIC method against other normalization schemes. Numéro de notice : A2005-403 Affiliation des auteurs : non IGN Thématique : FORET/IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.rse.2005.05.021 En ligne : https://doi.org/10.1016/j.rse.2005.05.021 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=27539
in Remote sensing of environment > vol 98 n° 1 (30/09/2005) . - pp 63 - 79[article]New approach to geodata representation with Geokosmos: technology based on airborne Lidar & digital aerial photography / E. Medvedev in Geoinformatics, vol 8 n° 5 (01/08/2005)
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Titre : New approach to geodata representation with Geokosmos: technology based on airborne Lidar & digital aerial photography Type de document : Article/Communication Auteurs : E. Medvedev, Auteur Année de publication : 2005 Article en page(s) : pp 22 - 27 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Photogrammétrie numérique
[Termes IGN] cartographie topographique
[Termes IGN] données lidar
[Termes IGN] photographie aérienne
[Termes IGN] photographie numérique
[Termes IGN] représentation cartographique
[Termes IGN] Russie
[Termes IGN] temps réelRésumé : (Auteur) Geokosmos has been in practice in Russia and globally for the last few years. It has proven its usefulness for a wide range of topography and non-topography applications. The technology can be used instead of or in combination with classical photogrammetrical and geodetic methods. The main reason for using Geokosmos is to increase the productivity of topographic map making. Numéro de notice : A2005-330 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=27466
in Geoinformatics > vol 8 n° 5 (01/08/2005) . - pp 22 - 27[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 262-05051 SL Revue Centre de documentation Revues en salle Disponible High-resolution imaging from space: a world-wide survey (part 3 Europe and part 4 ISS [international space station]) / Gordon Petrie in Geoinformatics, vol 7 n° 3 (01/04/2004)
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Titre : High-resolution imaging from space: a world-wide survey (part 3 Europe and part 4 ISS [international space station]) Type de document : Article/Communication Auteurs : Gordon Petrie, Auteur Année de publication : 2004 Article en page(s) : pp 38 - 43 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s)
[Termes IGN] Allemagne
[Termes IGN] Cosmo-Skymed
[Termes IGN] Disaster Management Constellation
[Termes IGN] France (administrative)
[Termes IGN] Helios
[Termes IGN] Italie
[Termes IGN] microsatellite
[Termes IGN] Orfeo
[Termes IGN] Pleiades-HR
[Termes IGN] Royaume-Uni
[Termes IGN] Russie
[Termes IGN] SAR-LUPE
[Termes IGN] SPOT5
[Termes IGN] station spatiale internationale
[Termes IGN] TerraSAR-X
[Termes IGN] TOPSATRésumé : (Auteur) Until recently, Europe (outside Russia) has not been involved very much with high-resotution imaging from space. Much of Europe's efforts have been channeled through ESA - which, in the Earth observation area, appears to be dominated by those European scientists who are- involved in global environmental monitoring. Numéro de notice : A2004-553 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=27069
in Geoinformatics > vol 7 n° 3 (01/04/2004) . - pp 38 - 43[article]Voir aussiRéservation
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Code-barres Cote Support Localisation Section Disponibilité 262-04031 SL Revue Centre de documentation Revues en salle Disponible PermalinkLa refondation megapolitaine, une nouvelle phase de l'histoire urbaine ?, Tome 1. L'Eurasie post-communiste / Philippe Haeringer (2002)PermalinkMean monthly series of sea level observations (1777-1993) at the Kronstadt gauge / V. Bogdanov (2000)PermalinkIntercarto 5, Proceedings of the International Conference, GIS for sustainable development of territories, Yakutsk , Russia, 1999, Tome 1. cartography and geoinformatics : Theory, methods and education questions / O.A. Lazebnik (1999)PermalinkIntercarto 5, Proceedings of the International Conference, GIS for sustainable development of territories, Yakutsk , Russia, 1999, Tome 2. using cartography and GIS in science and System's management / O.A. Lazebnik (1999)PermalinkIntercarto 5, Proceedings of the International Conference, GIS for sustainable development of territories, Yakutsk , Russia, 1999, Tome 3. GIS and cartography in ecology and nature protection / O.A. Lazebnik (1999)PermalinkIntercarto 5, Proceedings of the International Conference, GIS for sustainable development of territories, Yakutsk , Russia, 1999, Tome 4. GIS in regional research / O.A. Lazebnik (1999)PermalinkMap semiotics around the World / Hansgeorg Schlichtmann (1999)PermalinkProceedings of the seminar on Electronic atlases and national atlas information systems in the Information age held at the University of Iceland (Reykjavik) / A. Gylfason (1999)PermalinkRe-engineering existing photogrammetric equipment: economical solutions from Russia's Miigaik / A. Mihailov in GIM Geodetical Info Magazine, vol 12 n° 1 (January 1998)Permalink