Wenli Zhao^1,2, Pierre Gentine³, Markus Reichstein⁴, Yao Zhang⁵, Yeqiang Wen⁶, Xi Li⁷, Changjie Lin⁶, Sha Zhou² and Guo Yu Qiu¹, (1)Peking University Shenzhen Graduate School, Shenzhen, China, (2)Columbia University, Earth and Environmental Engineering Department, New York, NY, United States, (3)Department of Earth and Environmental Engineering, Columbia University, New York, NY, United States, (4)Max Planck Institute for Biogeochemistry, Department of Biogeochemical Integration, Jena, Germany, (5)Department of Earth and Environmental Engineering, Columbia University, New York, United States, (6)Tsinghua University, Beijing, China, (7)Peking University, Beijing, China