Significant C source driven by elevated water table but sink by increasing thaw depth in Alaska tundra under experimental warming: A data assimilation study

Yiqi Luo1, Xingjie Lu2, Edward Schuur3, Marguerite Mauritz4, Meghan Taylor4, Heidi Rodenhizer4, Christina Schaedel1, Christopher Ebert4, Anthony Garnello4, Elaine Pegoraro1, Shuang Ma1 and Xin Huang5, (1)Northern Arizona University, Flagstaff, AZ, United States, (2)School of Atmospheric Sciences, Sun Yat-sen University, Guangzhou, China, (3)Northern Arizona University, Center for Ecosystem Science and Society, Flagstaff, AZ, United States, (4)Northern Arizona University, Center for Ecosystem Science and Society (ECOSS), Flagstaff, AZ, United States, (5)Northern Arizona University, Flagstaff, United States