Strong carbonate buffering in karst cascade river-reservoir systems constrains CO2 production and emissions - Xuan Hu; Wanfa Wang; Lishan Ran; Sen Xu; Qiong Han; Francesco Ulloa-Cedamanos; Jun Zhong; Bei-Bei Chen; Shengde Yu; Dengming He; Wenhong Shi; Siqin Xu; et al. (Geochimica et Cosmochimica Acta, 2025)