Yun, Sang-Ho and Owen, Susan and Webb, Frank and Hua, Hook and Milillo, Pietro and Fielding, Eric and Simons, Mark and Agram, Piyush and Liang, Cunren and Moore, Angelyn and Sacco, Patrizia and Gurrola, Eric and Manipon, Gerald and Rosen, Paul and Lundgren, Paul and Coletta, Alessandro (2016) Recent rapid disaster response products derived from COSMO-Skymed synthetic aperture radar data. In: 2016 IEEE International Geoscience and Remote Sensing Symposium (IGARSS). IEEE , Piscataway, NJ, pp. 2066-2069. ISBN 978-1-5090-3332-4. https://resolver.caltech.edu/CaltechAUTHORS:20161115-084858641
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Abstract
The April 25, 2015 M7.8 Gorkha earthquake caused more than 8,000 fatalities and widespread building damage in central Nepal. Four days after the earthquake, the Italian Space Agency's (ASI's) COSMO-SkyMed Synthetic Aperture Radar (SAR) satellite acquired data over Kathmandu area. Nine days after the earthquake, the Japan Aerospace Exploration Agency's (JAXA's) ALOS-2 SAR satellite covered larger area. Using these radar observations, we rapidly produced damage proxy maps derived from temporal changes in Interferometric SAR (InSAR) coherence. These maps were qualitatively validated through comparison with independent damage analyses by National Geospatial-Intelligence Agency (NGA) and the UNITAR's (United Nations Institute for Training and Research's) Operational Satellite Applications Programme (UNOSAT), and based on our own visual inspection of DigitalGlobe's WorldView optical pre- vs. post-event imagery. Our maps were quickly released to responding agencies and the public, and used for damage assessment, determining inspection/imaging priorities, and reconnaissance fieldwork.
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| Additional Information: | © 2016 IEEE. | ||||||||||||||||
| Group: | Seismological Laboratory | ||||||||||||||||
| DOI: | 10.1109/IGARSS.2016.7729533 | ||||||||||||||||
| Record Number: | CaltechAUTHORS:20161115-084858641 | ||||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20161115-084858641 | ||||||||||||||||
| Official Citation: | S. H. Yun et al., "Recent rapid disaster response products derived from COSMO-Skymed synthetic aperture radar data," 2016 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Beijing, China, 2016, pp. 2066-2069. doi: 10.1109/IGARSS.2016.7729533 URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7729533&isnumber=7728980 | ||||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||
| ID Code: | 72018 | ||||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||||
| Deposited By: | Tony Diaz | ||||||||||||||||
| Deposited On: | 15 Nov 2016 21:34 | ||||||||||||||||
| Last Modified: | 11 Nov 2021 04:54 |
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