DIC spatiotemporal variability and sources in permafrost catchments of the Yangtze River source region: insights from stable carbon isotope and water chemistry

Wang Genxu1, Chunlin Song1, Tianxu Mao2, Kewei Huang1, Xiangyang Sun3, Zhaoyong Hu1, Ruiying Chang1, Xiaopeng Chen1 and Peter A Raymond4, (1)IMHE Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, China, (2)Guizhou University, Guiyang, China, (3)Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, China, (4)Yale University, New Haven, CT, United States