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La modélisation numérique : un outil majeur pour les risques naturels / E. Foerster in Géosciences, n° 6 (01/10/2007)
[article]
Titre : La modélisation numérique : un outil majeur pour les risques naturels Type de document : Article/Communication Auteurs : E. Foerster, Auteur ; H. Aochi, Auteur ; R. Pedreros, Auteur ; H. Modaressi, Auteur Année de publication : 2007 Article en page(s) : pp 36 - 45 Langues : Français (fre) Descripteur : [Vedettes matières IGN] Analyse spatiale
[Termes IGN] aide à la décision
[Termes IGN] changement climatique
[Termes IGN] modèle de simulation
[Termes IGN] modélisation
[Termes IGN] mouvement de terrain
[Termes IGN] outil d'aide à la décision
[Termes IGN] raz-de-marée
[Termes IGN] risque naturel
[Termes IGN] séismeRésumé : (Auteur) Les études liées au changement climatique montrent une augmentation des évènements catastrophiques accompagnés de dégâts toujours plus importants. Grace à l'évolution des outils informatiques, la modélisation numérique est aujourd'hui un outil capital pour comprendre, analyser et prévenir des risques liés aux séismes, aux mouvements de terrain ou aux risques littoraux. Mais toute modélisation comporte un certain nombre d'hypothèses et/ou d'approximations. C'est pourquoi de nombreuses équipes s'orientent vers l'utilisation d'approches mixtes, déterministes ou stochastiques. Copyright BRGM Numéro de notice : A2007-474 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28837
in Géosciences > n° 6 (01/10/2007) . - pp 36 - 45[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 076-07021 RAB Revue Centre de documentation En réserve L003 Disponible Characterizing patterns of plant distribution in a southern California salt marsh using remotely sensed topographic and hyperspectral data and local tidal fluctuations / S. Sadro in Remote sensing of environment, vol 110 n° 2 (28/09/2007)
[article]
Titre : Characterizing patterns of plant distribution in a southern California salt marsh using remotely sensed topographic and hyperspectral data and local tidal fluctuations Type de document : Article/Communication Auteurs : S. Sadro, Auteur ; M. Gastil-Buhl, Auteur ; J. Melack, Auteur Année de publication : 2007 Article en page(s) : pp 226 - 239 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de télédétection
[Termes IGN] Californie (Etats-Unis)
[Termes IGN] carte de la végétation
[Termes IGN] classification dirigée
[Termes IGN] couvert végétal
[Termes IGN] distribution spatiale
[Termes IGN] données lidar
[Termes IGN] image AVIRIS
[Termes IGN] image hyperspectrale
[Termes IGN] marais salé
[Termes IGN] marée océanique
[Termes IGN] modèle numérique de surfaceRésumé : (Auteur) We used LiDAR topographic data, AVIRIS hyperspectral data, and locally measured tidal fluctuations to characterize patterns of plant distribution within a southern California salt marsh (Carpinteria Salt Marsh (CSM)). LiDAR data required ground truthing and correction before they were suitable for use. Twenty to forty percent of the uncertainty associated with LiDAR was due to variance in the elevation of the target surface, the balance was attributed to error inherent in the LiDAR system. The incidence of LiDAR penetration of plant canopy cover (i.e., registration of ground elevation) was only three percent. The depth of LiDAR penetration into the plant canopy varied according to plant species composition; plant species-specific corrections significantly improved LiDAR accuracy (58% reduction in overall uncertainty) and with the use of ground-based surveys, reduced overall RMSE to an average of 6.3 cm in vegetated areas. A supervised classification of AVIRIS data was used to generate a vegetation map with six classification types; overall classification accuracy averaged 59% with a kappa coefficient of 0.40. The vegetation classification map was overlaid with a LiDAR-based digital elevation model (DEM) to compute elevation distributions and frequencies of tidal inundation. The average elevations of the dominant plant classifications found in CSM (e.g., Salicornia virginica, Jaumea carnosa, and salt-grass mix, a mixture of multiple marsh plant species) occurred within a 17 cm range, a vertical change that resulted in a 7% difference in the period of tidal inundation. Numéro de notice : A2007-150 Affiliation des auteurs : non IGN Thématique : FORET/IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.rse.2007.02.024 En ligne : https://doi.org/10.1016/j.rse.2007.02.024 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28513
in Remote sensing of environment > vol 110 n° 2 (28/09/2007) . - pp 226 - 239[article]Sentinel-3, the ocean and medium-resolution land mission for GMES operational services / M. Aguirre in ESA bulletin, n° 131 (August 2007)
[article]
Titre : Sentinel-3, the ocean and medium-resolution land mission for GMES operational services Type de document : Article/Communication Auteurs : M. Aguirre, Auteur ; et al., Auteur Année de publication : 2007 Article en page(s) : pp 24 - 29 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Missions spatiales
[Termes IGN] Copernicus (programme européen)
[Termes IGN] Ocean and Land Colour Instrument
[Termes IGN] orbite héliosynchrone
[Termes IGN] radiomètre à hyperfréquence
[Termes IGN] Sentinel-3
[Termes IGN] surface de la merRésumé : (Auteur) The ESA Sentinels will be the first series of operational satellites to meet the Earth observation needs of the European Union-ESA Global Monitoring For Environment and Security (GMES) program. The pair of Sentinel-3 satellites will provide global, frequent and near-realtime ocean, ice and land monitoring. It continues Envisat' altimetry, the multispectral, medium-resolution visible and infrared ocean and land-surface observations of ERS, Envisat and Spot, and includes enhancements to meet the operational revisit requirements and to facilitate new products and evolution of services. The first launch is expected in 2011-2012. Copyright European Space Agency Numéro de notice : A2007-317 Affiliation des auteurs : non IGN Thématique : IMAGERIE/POSITIONNEMENT Nature : Article DOI : sans En ligne : http://www.esa.int/esapub/bulletin/bulletin131/bul131c_aguirre.pdf Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28680
in ESA bulletin > n° 131 (August 2007) . - pp 24 - 29[article]Inundation distances and run-up measurements from ASTER, QuickBird and SRTM data, Aceh coast, Indonesia / B.G. Mcadoo in International Journal of Remote Sensing IJRS, vol 28 n° 13-14 (July 2007)
[article]
Titre : Inundation distances and run-up measurements from ASTER, QuickBird and SRTM data, Aceh coast, Indonesia Type de document : Article/Communication Auteurs : B.G. Mcadoo, Auteur ; N. Richardson, Auteur ; J. Borreros, Auteur Année de publication : 2007 Article en page(s) : pp 2961 - 2975 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] image Quickbird
[Termes IGN] image SRTM
[Termes IGN] image Terra-ASTER
[Termes IGN] Indonésie
[Termes IGN] inondation
[Termes IGN] MNS SRTM
[Termes IGN] modèle numérique de surface
[Termes IGN] risque naturel
[Termes IGN] séisme
[Termes IGN] tsunamiRésumé : (Auteur) The massive 26 December 2004 earthquake and tsunami affected a large geographic region in the Indian Ocean basin, hitting Indonesia's Aceh province on the island of Sumatra particularly hard. In this study, tsunami inundation distances and run-up elevations on the NW Sumatran coast are assessed at a regional scale using remotely sensed data (ASTER, QuickBird and SRTM). Using satellite data in disaster zones allows tsunami scientists to access data in difficult areas (logistically and politically), along with the other benefits that such data has to offer (e.g. spectral and spatial). Field work rapidly following the tsunami allowed the collection of samples, elevation data and other information through interviews with survivors that validated the remotely sensed observations. Median run-up elevations extracted from SRTM and ASTER generated digital elevation models (DEMs) for the Banda Aceh area were 16 m and 9.7 m above sea level respectively, and field measurements averaged 9 m. In Meulaboh, median run-up elevations were 9 m (SRTM) and 6.6 m (ASTER) which are close to the 10-15 m range determined in the field. Run-up elevations at Jantang have a bimodal distribution with peaks that correspond to inundation limits in the floodplains (~10 m in both the SRTM and ASTER data) and cliffs (32 m in the ASTER and less well-defined in the SRTM data). Slope maps generated from SRTM and ASTER DEMs show that the inundation limit rarely exceeds slopes of 4°. Using the Aceh area as a control, SRTM and ASTER data and the range of possible products derived from them is here taken as potential suitable tool for computer inundation models that aid in evacuation planning. Copyright Taylor & Francis Numéro de notice : A2007-337 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/01431160601091795 En ligne : https://doi.org/10.1080/01431160601091795 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28700
in International Journal of Remote Sensing IJRS > vol 28 n° 13-14 (July 2007) . - pp 2961 - 2975[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 080-07081 RAB Revue Centre de documentation En réserve L003 Disponible Mapping of the 26 December disaster by using Formosat-2 images / M.D. Yang in International Journal of Remote Sensing IJRS, vol 28 n° 13-14 (July 2007)
[article]
Titre : Mapping of the 26 December disaster by using Formosat-2 images Type de document : Article/Communication Auteurs : M.D. Yang, Auteur ; T.C. Su, Auteur ; et al., Auteur Année de publication : 2007 Article en page(s) : pp 3071 - 3091 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image
[Termes IGN] carte analytique
[Termes IGN] carte d'occupation du sol
[Termes IGN] correction géométrique
[Termes IGN] correction radiométrique
[Termes IGN] image Formosat/COSMIC
[Termes IGN] Indonésie
[Termes IGN] risque naturel
[Termes IGN] séisme
[Termes IGN] trait de côte
[Termes IGN] tsunamiRésumé : (Auteur) The Sumatra earthquake struck South Asia on 26 December 2004 and triggered monstrous waves that turned into a tsunami hitting the ocean regions and caused the most severe natural disaster of recent decades. The devastating earthquake and tsunami changed the landscape of coastal areas in many countries around the whole Indian Ocean region. To provide real-time information for rescue and rehabilitation plans, satellite images were applied to monitor and evaluate the damage over several devastated spots. The FORMOSAT-2 satellite, which was launched on 21 May 2004 and operated by the National Space Organization, Taiwan, is uniquely designed to take timely and low-cost black and white images daily with a resolution of 2 m and colour images of 8-m resolution. FORMOSAT-2 is expected to have many useful applications, such as natural-disaster evaluation, land-usage analysis, environmental monitoring, and coastal search and rescue. FORMOSAT-2 successfully acquired several post-tsunami images of the hazardous areas, both Puhket, Thailand and Banda Aceh, Indonesia on 28 December. A series of FORMOSAT-2 satellite images were processed by geometric and radiometric correction, haze reduction, image enhancement, feature extraction, image classification, and image fusion to assess the damage over those devastated areas. FORMOSAT-2 satellite images with a high-temporal resolution and high-spatial resolution were proved to be an efficient and useful information source for decision-makers to make rescue and recovery plans, especially for some isolated islands hard to reach in time. Copyright Taylor & Francis Numéro de notice : A2007-338 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/01431160601094500 En ligne : https://doi.org/10.1080/01431160601094500 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28701
in International Journal of Remote Sensing IJRS > vol 28 n° 13-14 (July 2007) . - pp 3071 - 3091[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 080-07081 RAB Revue Centre de documentation En réserve L003 Disponible The 26 December 2004 tsunami measured by satellite altimetry / J. Gower in International Journal of Remote Sensing IJRS, vol 28 n° 13-14 (July 2007)PermalinkGeocentric sea-level trend estimates from GPS analyses at relevant tide gauges world-wide / Guy Wöppelmann in Global and Planetary Change, vol 57 n° 3-4 (June 2007)PermalinkLidar et applications en géophysique externe / P.H. Flamant in Revue Française de Photogrammétrie et de Télédétection, n° 186 (Juin 2007)PermalinkExtending the MODIS 1 km ocean colour atmospheric correction to the MODIS 500 m bands and 500 m chlorophyll-a estimation towards coastal and estuarine monitoring / J.D. Shutler in Remote sensing of environment, vol 107 n° 4 (30/04/2007)PermalinkTidal analysis experiments with sun-synchronous satellite altimeter data / R.D. Ray in Journal of geodesy, vol 81 n° 4 (April 2007)PermalinkDesign and implementation of a distributed GIS portal for oil spill and harmful algal bloom monitoring in the marine environment / E.O. Tuama in Marine geodesy, vol 30 n° 1-2 (March - June 2007)PermalinkDetermination of the free core nutation period from tidal gravity observations of the GGP superconducting gravimeter network / B. Ducarme in Journal of geodesy, vol 81 n° 3 (March 2007)PermalinkA GIS data modeling approach to port ballast water bioinvasion / S. Amoako-Atta in SaLIS Surveying and land information science, vol 67 n° 1 (March 2007)PermalinkRTE [Réseau Terre et Espace] : les satellites font leurs preuves / Françoise de Blomac in SIG la lettre, n° 85 (mars 2007)Permalinkvol 30 n° 1-2 - March - June 2007 - Special issue on marine and coastal GIS (Bulletin de Marine geodesy) / R. LiPermalink