Yoichi Paolo Shiga^1,2, Joe A Berry³, Anna Michalak⁴, Arlyn E Andrews⁵, Bianca Baier⁶, Ian T Baker⁷, J Elliott Campbell⁸, Benjamin R Miller⁹, Stephen A Montzka¹⁰, Colm Sweeney⁶, Kirk W Thoning¹¹, Mary Whelan¹², Christopher A Williams¹³ and Yu Zhou¹³, (1)Carnegie Institution for Science, Department of Global Ecology, Stanford, CA, United States, (2)Universities Space Research Association Moffett Field, Moffett Field, CA, United States, (3)Carnegie Institution for Science Stanford, Stanford, CA, United States, (4)Carnegie Institution for Science, Global Ecology, Washington, United States, (5)NOAA/ESRL, Global Monitoring Division, Boulder, CO, United States, (6)NOAA ESRL, Global Monitoring Division, Boulder, CO, United States, (7)Colorado State University, Atmospheric Sciences, Fort Collins, CO, United States, (8)University of California Santa Cruz, Santa Cruz, CA, United States, (9)Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, (10)NOAA/ESRL Global Monitoring Division, Boulder, CO, United States, (11)NOAA Boulder, Boulder, CO, United States, (12)Carnegie Institution for Science, Department of Global Ecology, Stanford, United States, (13)Clark University, Graduate School of Geography, Worcester, MA, United States