Spatiotemporal deformation patterns of the Lake Urmia Causeway as characterized by multisensor InSAR analysis

摘要: We present deformation patterns in the Lake Urmia Causeway (LUC) NW Iran based on data collected from four SAR sensors form of interferometric synthetic aperture radar (InSAR) time series. Sixty-eight images Envisat (2004–2008), ALOS-1 (2006–2010), TerraSAR-X (2012–2013) and Sentinel-1 (2015–2017) were acquired, 227 filtered interferograms generated using small baseline subset (SBAS) technique. The rate line-of-sight (LOS) subsidence LUC peaked at 90 mm/year between 2012 2013, mainly due to loss most water Urmia. Principal component analysis (PCA) was conducted 200 randomly selected series LUC, results are presented three major components. InSAR scores obtained PCA used a hydro-thermal model investigate dynamics consolidation settlement along detrended level temperature data. can be establish geodetic network around identify more detailed help plan future efforts reduce possible costs damage.