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Mapping damage during the Bam (Iran) earthquake using interferometric coherence

Hoffmann, Jörn (2007) Mapping damage during the Bam (Iran) earthquake using interferometric coherence. International Journal of Remote Sensing, 28 (6), pp. 1199-1216. Taylor & Francis. doi: 10.1080/01431160600928567. ISSN 0143-1161.

Full text not available from this repository.

Official URL: http://dx.doi.org/10.1080/01431160600928567

Abstract

We use changes in the interferometric coherence to map earthquake damages that occurred in the city of Bam during the Bam earthquake on December 26, 2003. The approach presented here defines a coherence change index that can be interpreted quantitatively in terms of damages during a catastrophic event like a major earthquake. Using five differential interferometric synthetic aperture radar images we compute maps of interferometric coherence. Three coherence change images are computed from these based on different interferograms. These three damage assessments yield very similar results despite the range of times and interferometric baselines spanned. This coherence-based damage assessment also agrees closely with independent damage maps derived from other types of imagery. Using existing or planned synthetic aperture radar (SAR) satellites coherence-based damage assessments could be obtained within days after a catastrophic event, provided the necessary reference images are prepared ahead of time. As SAR sensors can operate independently of weather conditions and daylight this may present a reliable and robust means for damage assessment.

Item URL in elib:https://elib.dlr.de/48134/
Document Type:Article
Title:Mapping damage during the Bam (Iran) earthquake using interferometric coherence
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Hoffmann, Jörn UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Date:20 March 2007
Journal or Publication Title:International Journal of Remote Sensing
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:28
DOI:10.1080/01431160600928567
Page Range:pp. 1199-1216
Publisher:Taylor & Francis
ISSN:0143-1161
Status:Published
Keywords:InSAR, damage mapping
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 Prozesse der Landoberfläche (old)
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center
Deposited By: Hoffmann, Dr. Jörn
Deposited On:07 May 2007
Last Modified:22 Apr 2013 14:36

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