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Abstract
This paper illustrates the capabilities of the Advanced Land Observing Satellite (ALOS) Phased Array Type L-band Synthetic Aperture Radar (PALSAR) instrument in the identification of macro- and meso-scale land deformation caused by the Wenchuan Earthquake of 12 May 2008. The specific location analysed is an area near the south west termination of the rupture zone where fault slip and surface deformations were relatively low and topography is relatively high. A full geometric processing of the interferometric synthetic aperature radar (InSAR) data is performed, including the removal of the stereoscopic effect, and the terrain effect fully compensated by identification and removal of layover and shadow areas. This allows for the full characterization of the main earthquake deformation.
Acknowledgments
The author would like to thank Chris Windsor of the Western Australia School of Mines, Curtin University for his useful comments and encouragement in this topic and Zhenhong Li of the University of Glasgow for his comments regarding an early draft.