AUTHOR=Hua Diwei , Jiang Dawei , Zhang Shimin , Ding Rui , Chen Yongqi TITLE=Chemical weathering as a tool for distinguishing river terraces of varying ages: a case study of the Qingyi River on the eastern Tibetan Plateau JOURNAL=Frontiers in Earth Science VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2025.1534898 DOI=10.3389/feart.2025.1534898 ISSN=2296-6463