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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)  

Public [article]  inInternational Journal of Remote Sensing IJRS > vol 28 n° 13-14 (July 2007) . - pp 2961 - 2975 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] tsunami Résumé : (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 [article]

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