Monitoring-constrained GPR inversion reveals profile-scale hydrothermal heterogeneity in a retrogressive thaw slump - Shunshun Qi; Fei Wang; Guoyu Li; Wei Ma; Dun Chen; Fujun Niu; Mingtang Chai; Yougang Yang; Qingsong Du; Kai Gao; Yapeng Cao; Jiawei Yang (Journal of Hydrology, 2026)