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Automated assessment of building vulnerability with high resolution IKONOS data for Padang, Indonesia

Kass, Steve und Post, Joachim und Taubenböck, Hannes und Roth, Achim und Strunz, Günter und Stötter, Johann und Mardiatno, D. und Ismail, Febrin und Anwar, Herrial (2007) Automated assessment of building vulnerability with high resolution IKONOS data for Padang, Indonesia. The International Symposium on Disaster in Indonesia: Problems and Solutions, 26-28 July, 2007, Padang, Indoensia.

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Kurzfassung

The primary objective of this study is the development of an automated process to derive building vulnerability towards tsunami impacts based on an object-based extraction approach using very high resolution (VHR) satellite data. The developed automated process allows transferability to other endangered urban areas for the derivation of spatially distributed information on physical vulnerability indicators (e.g. built environment vulnerability). The city of Padang, Indonesia, with its highly structured endangered urban area, was chosen as test site. High resolution data from the IKONOS sensor were used for this study. First, an object-oriented urban land cover classification was developed. The accuracy assessment resulted in more than 80% correct detected houses. The capabilities of remote sensing enable up-to-date and area-wide spatial information, a promising cost-effective approach for the challenges of managing urban areas. Based on tsunami post disaster field surveys related to building damages conducted by Tsunarisque Project team in the Aceh region after the 26th December 2004 event as well as a field surveys in Padang, building vulnerability classes were defined. The built-up mask of the urban land cover classification was used to assign the defined building vulnerability classes on the whole scene, using spectral information as well as the geometry of features to differentiate those building vulnerability types. The presented study delivers important information on physical vulnerability indicators of the built environment and infrastructure on a high spatial resolution. In combination with modelled tsunami propagation scenarios on land, detailed risk assessment information is obtained and may deliver useful insights for designing disaster risk reduction strategies.

Dokumentart:Konferenzbeitrag (Paper)
Titel:Automated assessment of building vulnerability with high resolution IKONOS data for Padang, Indonesia
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Kass, SteveNICHT SPEZIFIZIERT
Post, JoachimNICHT SPEZIFIZIERT
Taubenböck, HannesNICHT SPEZIFIZIERT
Roth, AchimNICHT SPEZIFIZIERT
Strunz, GünterNICHT SPEZIFIZIERT
Stötter, JohannUniversity of Innsbruck
Mardiatno, D.University of Innsbruck
Ismail, FebrinAndalas University Padang
Anwar, HerrialNICHT SPEZIFIZIERT
Datum:Juli 2007
Referierte Publikation:Nein
In SCOPUS:Nein
In ISI Web of Science:Nein
Seitenbereich:
Status:veröffentlicht
Stichwörter:Urban remote sensing, disaster management, building stability, vulnerability
Veranstaltungstitel:The International Symposium on Disaster in Indonesia: Problems and Solutions
Veranstaltungsort:Padang, Indoensia
Veranstaltungsart:internationale Konferenz
Veranstaltungsdatum:26-28 July, 2007
Veranstalter :Organized by Disaster Study Center of Andalas University in Cooperation with Institution of Engineers, Indonesia
HGF - Forschungsbereich:Verkehr und Weltraum (alt)
HGF - Programm:Weltraum (alt)
HGF - Programmthema:W EO - Erdbeobachtung
DLR - Schwerpunkt:Weltraum
DLR - Forschungsgebiet:W EO - Erdbeobachtung
DLR - Teilgebiet (Projekt, Vorhaben):W - Vorhaben Geowissenschaftl. Fernerkundungs- und GIS-Verfahren (alt)
Standort: Oberpfaffenhofen
Institute & Einrichtungen:Deutsches Fernerkundungsdatenzentrum > Umwelt und Sicherheit
Hinterlegt von: Dr. Hannes Taubenböck
Hinterlegt am:07 Apr 2008
Letzte Änderung:27 Apr 2009 14:50

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