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Improved SAR Amplitude Image Offset Measurements for Deriving Three-Dimensional Coseismic Displacements [PDF]

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2015
Offsets of synthetic aperture radar (SAR) images have played an important role in deriving complete three-dimensional (3-D) surface displacement fields in geoscientific applications. However, offset maps often suffer from multiple outliers and patch-like artifacts, because the standard offset-measurement method is a regular moving-window operation that
Sigurjón Jonsson, Teng Wang
exaly   +5 more sources

GPS Near-Real-Time Coseismic Displacements for the Great Tohoku-oki Earthquake [PDF]

open access: yesIEEE Geoscience and Remote Sensing Letters, 2013
Here, we present the application to the great Tohoku-oki (Japan) earthquake (United States Geological Survey M = 9.0, March 11, 2011, 05:46:24 Coordinated Universal Time) of a novel approach, named Variometric Approach for Displacements Analysis Stand-Alone Engine, able to estimate accurate coseismic displacements and waveforms in real time, in the ...
Mattia Giovanni Crespi   +2 more
exaly   +4 more sources

Local interpolation of coseismic displacements measured by InSAR

open access: yesInternational Journal of Applied Earth Observation and Geoinformation, 2013
Abstract Coseismic displacements play a significant role in characterizing earthquake causative faults and understanding earthquake dynamics. They are typically measured from InSAR using pre- and post-earthquake images. The displacement map produced by InSAR may contain missing coseismic values due to the decorrelation of ASAR images.
Alfred Stein
exaly   +3 more sources

Effects of superficial layers on coseismic displacements for a dip-slip fault and geophysical implications [PDF]

open access: yesGeophysical Journal International, 1999
International audienceWe study the effect of a superficial layer overlying a half-space on the surface displacements created by a dip-slip dislocation on a planar rectangular fault using a 2-D finite element model. The effect of the density and Poisson’s
Pierre Briole   +2 more
exaly   +2 more sources
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