Abstract
Early warning systems for tsunami are typically run by national rescue
authorities or natural disaster centers. These centers have to operate round
the clock, which is costly. Therefore it is practical to combine many hazard
types in these centers. Techniques of SAR interferometry were used in image
analysis. These techniques included computation of coherence between a pair
of scenes and its generalization to the case of three scenes, the so called
triherence. Amplitude and coherence images were ortho-rectified with a
digital elevation model (DEM). Coherence and triherence in TerraSAR-X
high-resolution spotlight data were lower in periods with high soil movement.
Amplitude in ALOS PALSAR data showed changes in the Penang site, especially
in agricultural areas. TerraSAR-X data – due to its high spatial resolution -
seem suitable for monitoring the stability of forest-free hill slopes
provided that movements are in the order of some tens of centimeters.
| Original language | English |
|---|---|
| Title of host publication | Tsunami education, protection and preparedness |
| Editors | Koh Hok Lye, Philip L-F Liu, Teh Su Yean |
| Place of Publication | Penang, Malaysia |
| Pages | 216-226 |
| ISBN (Electronic) | 978-1-5231-1664-5 |
| Publication status | Published - 2011 |
| MoE publication type | B3 Non-refereed article in conference proceedings |
| Event | South China Sea Tsunami Workshop 3. - Penang, Malaysia Duration: 3 Nov 2009 → 5 Nov 2009 |
Conference
| Conference | South China Sea Tsunami Workshop 3. |
|---|---|
| Country | Malaysia |
| City | Penang |
| Period | 3/11/09 → 5/11/09 |
Keywords
- landslide
- radar
- risk management
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Rauste, Y., Lateh, H., Wan, M. M. W. I., Lönnqvist, A., & Häme, T. (2011). TerraSAR-X and ALOS/PALSAR data for soil stability monitoring in Malaysia. In K. H. Lye, P. L-F. Liu, & T. S. Yean (Eds.), Tsunami education, protection and preparedness (pp. 216-226).