Surface deformation map of Qaanaaq region in 2020

The amount of ground surface change was estimated using SBAS analysis of 14 SAR images during the snow-free period from Junel to September 2020.于2020年6月至9月的无雪期内，通过对14幅合成孔径雷达（Synthetic Aperture Radar，SAR）图像开展小基线集（Small Baseline Subset，SBAS）分析，估算得到了地表变化总量。