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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 Identification and analysis of groundwater potential zones in Ken-Betwa river linking area using remote sensing and geographic information system / R. Avtar in Geocarto international, vol 25 n° 5 (August 2010)
[article]
Titre : Identification and analysis of groundwater potential zones in Ken-Betwa river linking area using remote sensing and geographic information system Type de document : Article/Communication Auteurs : R. Avtar, Auteur ; C. Singh, Auteur ; A. Singh, Auteur ; S. Mukherjee, Auteur Année de publication : 2010 Article en page(s) : pp 379 - 396 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] carte thématique
[Termes IGN] eau souterraine
[Termes IGN] exploration
[Termes IGN] hydrogéologie
[Termes IGN] identification automatique
[Termes IGN] image Landsat-ETM+
[Termes IGN] Inde
[Termes IGN] MNS SRTM
[Termes IGN] système d'information géographiqueRésumé : (Auteur) The use of remote sensing data with other ancillary data in a geographic information system (GIS) environment is useful to delineate groundwater potential zonation map of Ken-Betwa river linking area of Bundelkhand. Various themes of information such as geomorphology, land use/land cover, lineament extracted from digital processing of Landsat (ETM+) satellite data of the year 2005 and drainage map were extracted from survey of India topographic sheets, and elevation, slope data were generated from shuttle radar topography mission (SRTM) digital elevation model (DEM). These themes were overlaid to generate groundwater potential zonation (GWPZ) map of the area. The final map of the area shows different zones of groundwater prospects, viz., good (5.22% of the area), moderate (65.83% of the area) poor (15.31% of the area) and very poor (13.64% of area). Numéro de notice : A2010-311 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/10106041003731318 Date de publication en ligne : 28/05/2010 En ligne : https://doi.org/10.1080/10106041003731318 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=30505
in Geocarto international > vol 25 n° 5 (August 2010) . - pp 379 - 396[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 059-2010051 RAB Revue Centre de documentation En réserve L003 Disponible Generation and study of satellite gravity over Gujarat, India and their possible correlation with earthquake occurences / T. Majumba in Geocarto international, vol 25 n° 4 (July 2010)
[article]
Titre : Generation and study of satellite gravity over Gujarat, India and their possible correlation with earthquake occurences Type de document : Article/Communication Auteurs : T. Majumba, Auteur ; R. Bhattacharyya, Auteur Année de publication : 2010 Article en page(s) : pp 269 - 280 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géodésie physique
[Termes IGN] anomalie de pesanteur
[Termes IGN] champ de pesanteur local
[Termes IGN] corrélation
[Termes IGN] données GRACE
[Termes IGN] épicentre
[Termes IGN] Inde
[Termes IGN] levé gravimétrique
[Termes IGN] risque naturel
[Termes IGN] séismeRésumé : (Auteur) High-resolution satellite gravity data have been generated and utilized to infer subsurface geological structures in the area of devastating earthquake that struck the Bhuj region in Gujarat on 26 January 2001. Latitudinal gravity profiles have been generated in the Bhuj, Anjar and IBF regions across the epicentres (23.5° N, 69.8° E/Mw 7.0 in 2001; 23.2° N, 70° E/Mw 7.0 in 1956; 24.2° N, 69.2° E/Mw 7.8 in 1819). Substantial differences in gravity anomaly patterns as high as 37 mGal could be observed existing near the epicentre regions. These gravitational differences might have caused due to the plate tectonic processes and due to the changes in densities of different lithospheric zones/sedimentary layers. Temporal variations of the satellite-derived gravity and their probable relations with already occurred major earthquakes in this region have been studied. Hence we conclude that drastic changes in gravity anomalies can be considered as a precursor for occurrences of substantially large earthquakes. Numéro de notice : A2010-278 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/10106040903486148 Date de publication en ligne : 09/04/2010 En ligne : https://doi.org/10.1080/10106040903486148 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=30472
in Geocarto international > vol 25 n° 4 (July 2010) . - pp 269 - 280[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 059-2010041 RAB Revue Centre de documentation En réserve L003 Disponible Influence of resolution in irrigated area mapping and area estimations / N. Velpuri in Photogrammetric Engineering & Remote Sensing, PERS, vol 75 n° 12 (December 2009)
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Titre : Influence of resolution in irrigated area mapping and area estimations Type de document : Article/Communication Auteurs : N. Velpuri, Auteur ; Prasad S. Thenkabail, Auteur ; M. Gumma, Auteur ; et al., Auteur Année de publication : 2009 Article en page(s) : pp 1383 - 1395 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] carte agricole
[Termes IGN] classification dirigée
[Termes IGN] cultures irriguées
[Termes IGN] image Landsat-ETM+
[Termes IGN] image multitemporelle
[Termes IGN] image NOAA-AVHRR
[Termes IGN] image Terra-MODIS
[Termes IGN] Inde
[Termes IGN] irrigation
[Termes IGN] limite de résolution géométrique
[Termes IGN] parcelle agricole
[Termes IGN] précision de la classificationRésumé : (Auteur) The overarching goal of this paper was to determine how irrigated areas change with resolution (or scale) of imagery. Specific objectives investigated were to (a) map irrigated areas using four distinct spatial resolutions (or scales), (b) determine how irrigated areas change with resolutions, and (c) establish the causes of differences in resolution-based irrigated areas. The study was conducted in the very large Krishna River basin (India), which has a high degree of formal contiguous, and informal fragmented irrigated areas. The irrigated areas were mapped using satellite sensor data at four distinct resolutions: (a) NOAA AVHRR Pathfinder 10,000 m, (b) Terra MODIS 500 m, (c) Terra MODIS 250 m, and (d) Landsat ETM+ 30 m. The proportion of irrigated areas relative to Landsat 30 m derived irrigated areas (9.36 million hectares for the Krishna basin) were (a) 95 percent using MODIS 250 m, (b) 93 percent using MODIS 500 m, and (c) 86 percent using AVHRR 10,000 m. In this study, it was found that the precise location of the irrigated areas were better established using finer spatial resolution data. A strong relationship (R2 = 0.74 to 0.95) was observed between irrigated areas determined using various resolutions. This study proved the hypotheses that “the finer the spatial resolution of the sensor used, greater was the irrigated area derived,” since at finer spatial resolutions, fragmented areas are detected better. Accuracies and errors were established consistently for three classes (surface water irrigated, ground water/conjunctive use irrigated, and nonirrigated) across the four resolutions mentioned above. The results showed that the Landsat data provided significantly higher overall accuracies (84 percent) when compared to MODIS 500 m (77 percent), MODIS 250 m (79 percent), and AVHRR 10,000 m (63 percent). Copyright ASPRS Numéro de notice : A2009-500 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.14358/PERS.75.12.1383 En ligne : https://doi.org/10.14358/PERS.75.12.1383 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=30129
in Photogrammetric Engineering & Remote Sensing, PERS > vol 75 n° 12 (December 2009) . - pp 1383 - 1395[article]Application of satellite image processing techniques for Talakadu a unique archaeological landscape in India / M.B. Rajani in Photo interprétation, European journal of applied remote sensing, vol 45 n° 4 (novembre 2009)
[article]
Titre : Application of satellite image processing techniques for Talakadu a unique archaeological landscape in India Type de document : Article/Communication Auteurs : M.B. Rajani, Auteur ; S.K. Patra, Auteur Année de publication : 2009 Article en page(s) : pp 168 - 175 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] image IRS-LISS
[Termes IGN] image Landsat-TM
[Termes IGN] image multibande
[Termes IGN] Inde
[Termes IGN] site archéologique
[Termes IGN] traitement d'imageRésumé : (Auteur) In the present work multi-spatial, spectral and temporal images taken from space platform were acquired to analyze Talakadu (an archaeological site in Karnataka, India) area and identify linear features and geometrical shapes on the surface that are not natural but can be human artefacts from the past and therefore might indicate potential loca-tions for archaeological exploration. Before such remote sensing data can be used they have to be processed and prepared for facilitating meaningful interpretation. The scope and importance of image processing and enhancements depend on the sur-face conditions of study area. The peculiar geo-graphical configuration of the Talakadu area has made the greater part of an old township complete-ly buried under wind blown sand from the river Kaveri that skirts the west of Talakadu. Towards carrying out analysis in spatial, spectral and tem-poral domains, space imagery from Landsat Thematic Mapper, Multispectral images from LISS-IV sensor of Indian Remote Sensing Satellite (IRS) series and high resolution images from IRS CAR-TOSAT series were used. Several image-processing algorithms were employed to evaluate their effica-cy to identify linear features and geometrical shapes that might indicate presence of buried remains. These include enhancements and improve-ments in data quality, Pan sharpening, Principal Component Analysis for enhancement and change detection studies. These analyses were conducted after subjecting all the imagery to a common refer-ence frame through automated registration using non-linear methods with sub-pixel accuracy. This work presents the details of the various image pro-cessing techniques used to investigate their effica-cy in the context of identifying the different archae-ological details both known ones and possibly new potential locations. Our preliminary analysis indi-cates at least four likely locations for further archaeological exploration, thus suggesting a new approach in the light of the methodology available. Numéro de notice : A2009-563 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=30192
in Photo interprétation, European journal of applied remote sensing > vol 45 n° 4 (novembre 2009) . - pp 168 - 175[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 104-09041 SL Revue Centre de documentation Revues en salle Exclu du prêt Interferometric SAR for characterization of ravines as a function of their density, depth, and surface cover / R.S. Chatterjee in ISPRS Journal of photogrammetry and remote sensing, vol 64 n° 5 (September - October 2009)PermalinkVers la certification des plantes médicinales et aromatiques sauvages dans quatre États de l’Inde / Prodyut Bhattacharya in Unasylva, n° 230 (2008-1)PermalinkApplication of geospatial technologies for environmental impact assessment: an Indian Scenario / D.R. Satapathy in International Journal of Remote Sensing IJRS, vol 29 n°1-2 (January 2008)PermalinkEstimation of storm surge in the bay of Bengal / John Fiske (2008)Permalink350 first order points selected: creation of a geodetic reference frame in WGS-84 datum for Cartosat in India / K.S. Rao in Geoinformatics, vol 10 n° 8 (01/12/2007)PermalinkSpatially integrated approach for terrain modelling and analysis for mobile communication applications / S. Muralikrishnan in Geocarto international, vol 22 n° 4 (December 2007 - January 2008)PermalinkUsage of ERS SAR data over the Singhbhum shear zone, India for structural mapping and tectonic studies / S.K. Pal in Geocarto international, vol 22 n° 4 (December 2007 - January 2008)PermalinkMultispectral image classification: a supervised neural computation approach based on rough-fuzzy membership function and weak fuzzy similarity relation / A. Agrawal in International Journal of Remote Sensing IJRS, vol 28 n°19-20 (October 2007)PermalinkIntegrated use of SRM, Landsat ETM+ data and 3D perspective views to identify the tectonic geomorphology of Dehradun valley, India / A.K. Singh in International Journal of Remote Sensing IJRS, vol 28 n°11-12 (June 2007)PermalinkActive forest monitoring in Uttaranchal state, India using multi-temporal DMSP-OLS and MODIS data / T.R. Kiranchand in International Journal of Remote Sensing IJRS, vol 28 n° 10 (May 2007)Permalink