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Risk and vulnerability assessment to tsunami hazard using very high resolution satellite data - the case study of Padang, Indonesia

Taubenböck, Hannes and Post, Joachim and Kiefl, Ralph and Roth, Achim and Ismail, Febrin and Strunz, Günter and Dech, Stefan (2008) Risk and vulnerability assessment to tsunami hazard using very high resolution satellite data - the case study of Padang, Indonesia. Remote Sensing - New Challenges of High Resolution, 05-03-2008 - 07-03-2008, Bochum. ISBN 978-3-925143-79-3.

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Abstract

Tsunamis are an ever-present threat to lives, infrastructure, and property along the coasts of the world’s oceans. Recent tsunamis deeply impacted the shores of Indonesia, calling for early warning systems as well as risk and vulnerability assessment as basis for mitigation strategies, evacuation planning and rehabilitation organization. Research on tsunamis focuses on tsunami generation, wave propagation, inundation and interactions with structures. This study is focusing on the latter, using the capabilities of high resolution satellite data to assess tsunami vulnerability in urban areas. Based on an object-oriented land-cover classification the physical urban morphology is structured using parameter like built-up density, function, building sizes or location. The distribution of a total population following the structural characteristics of an urban morphology is determined by assuming a dependency between numerical and spatial units. Using the derived physical and demographic parameters, risk and vulnerability patterns are calculated for the tsunami exposed coastal city of Padang, Indonesia. The aim is to support the preparation of an action plan for evacuation based on the spatial risk and vulnerability analysis of the derived layers. This spatial knowledge enables the identification of safe areas, the location and amount of affected people and houses, or the planning of space-oriented evacuation routes.

Document Type:Conference or Workshop Item (Speech)
Title:Risk and vulnerability assessment to tsunami hazard using very high resolution satellite data - the case study of Padang, Indonesia
Authors:
AuthorsInstitution or Email of Authors
Taubenböck, Hanneshannes.taubenboeck@dlr.de
Post, JoachimJoachim.Post@dlr.de
Kiefl, Ralphralph.kiefl@dlr.de
Roth, AchimAchim.Roth@dlr.de
Ismail, FebrinAndalas University
Strunz, GünterGuenter.Strunz@dlr.de
Dech, Stefanstefan.dech@dlr.de
Date:5 March 2008
Refereed publication:No
In ISI Web of Science:No
Page Range:pp. 77-86
Editors:
EditorsEmail
Jürgens, CarstenUNSPECIFIED
ISBN:978-3-925143-79-3
Status:Published
Keywords:Natural hazard, urban remote sensing, tsunami, physical urban morphology, building vulnerability
Event Title:Remote Sensing - New Challenges of High Resolution
Event Location:Bochum
Event Type:national Conference
Event Dates:05-03-2008 - 07-03-2008
Organizer:University of Bochum
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben Geowissenschaftl. Fernerkundungs- und GIS-Verfahren (old)
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center
Deposited By: Dr. Hannes Taubenböck
Deposited On:17 Mar 2008
Last Modified:12 Dec 2013 20:30

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