Retrieving the displacements of the Hutubi (China) underground gas storage during 2003–2020 from multi-track InSAR

Many countries and regions build underground gas storages (UGSs) to regulate the energy demand and supply in different seasons. The Hutubi underground gas storage (HUGS) in Xinjiang province is the largest UGS in China, so it is of great significance to monitor its operation. At present, the researches on the HUGS mainly rely on traditional geodetic monitoring (e.g., in-situ leveling and global navigation satellite system (GNSS)), which has a...