Using nitrate dual stable isotopes to investigate the impact of the Three Gorges Dam on the nitrogen cycle within the Changjiang (Yangtze) River

Kalina C Grabb1, Yu Xin2, Shuai Ding2, Xiaoyan Ning2 and Mei S. Liu3, (1)Massachusetts Institute of Technology, EAPS, Cambridge, MA, United States, (2)Ocean University of China, Marine Chemistry, Qingdao, China, (3)Ocean University of China, College of Chemistry and Chemical Engineering, Qingdao, China