Geomorphic modulation of weathering-oriented geochemical signals along an arid source-to-sink corridor: Evidence from K2O in the eastern Kunlun-Golmud River system - Jinrong Hu; Fuyuan An; Baohu Tang; Li Yan; Longfei Gai; Lu Si; Xiali Cheng; Yan Wang (Geomorphology, 2026)