Additional file 1 of Ground subsidence and polygon development due to thermokarst in the Lena-Aldan interfluve, eastern Siberia, revealed by satellite remote sensing data

Additional file 1. Figure S1: Interferometric pairs used for InSAR time-series analysis; Figure S2: Examples of polygonal texture at each town; Figure S3: Examples of well-developed and less-developed polygonal texture; Figure S4: Examples of one-dimensional normalized amplitude spectrum and the fitted exponential function model of each image shown in Figure S3.