Coseismic displacement derived from Sentinel-1 data: Latest techniques and case studies[J]. Journal of Remote Sensing, 2018,22(S1):127. DOI: 10.11834/jrs.20187480.
A coseismic displacement field is particularly important for earthquake studies. Since their launch in 2014 and 2016
ESA's Sentinel-1A/Sentinel-1B satellites have been acquiring large amounts of SAR images from all major plate boundary regions. Thus
these satellites are well suited for this task. We review the principle of Sentinel-1 imaging modes and the latest data process techniques through case studies of the 2014 Napa Valley
2015 Nepal
2016 Kumamoto
and 2016 New Zealand earthquakes. We introduce how to utilize the coherent and incoherent information of Sentinel-1 data fully to map coseismic displacements in near and far fields
along the line of sight and in along-track directions. The latest technical development and case studies show that we can derive not only a smooth coseismic displacement from the far field but also a displacement close to the rupture trace
demonstrating that the Sentinel-1 system plays an increasingly important role in earthquake studies.
关键词
SAR/InSARSentinel-1同震形变雷达遥感
Keywords
SAR InSARSentinel-1coseismic deformationradar remote sensing