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|Authors: ||Merryman Boncori, J. P.*|
|Title: ||Measuring the north-south coseismic displacement component with high-resolution multi aperture InSAR|
|Title of journal: ||Terra nova|
|Series/Report no.: ||/27 (2015)|
|Issue Date: ||2015|
|Keywords: ||Crustal Deformation|
Multi Aperture Interferometry MAI
|Abstract: ||Earthquake source inversions based on space-borne Synthetic
Aperture Radar interferometry (InSAR) are used extensively.
Typically, however, only the line-of-sight (LoS) surface displacement
component is measured, which is mainly sensitive
to the vertical and E–W deformations, although well-established
methods also exist to estimate the flight-path component,
which is highly sensitive to the N–S displacement. With
high-resolution sensors, these techniques are particularly
appealing, because accuracies in the order of 3 cm can be
achieved, while retaining spatial resolutions between 45 m
and a few km, depending on the required level of filtering.
We discuss the application to COSMO-SkyMed SAR imagery of
the Spectral Diversity or Multi Aperture Interferometry technique,
presenting the first SAR flight-path displacement field
associated with the Mw 6.3, 2009 L’Aquila event (central Apennines).
Finally, we observe and characterize a previously
unknown misregistration pattern.|
|Appears in Collections:||04.03.01. Crustal deformations|
Papers Published / Papers in press
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