Joshua B Fisher¹, Brian Lee², Adam J Purdy¹, Gregory Halverson³, Kerry Cawse-Nicholson², Audrey Wang⁴, Ray G Anderson⁵, Bruno Aragon⁶, Muhammad Altaf Arain⁷, Dennis D Baldocchi⁸, John M Baker⁹, Helene Barral¹⁰, Carl Bernacchi¹¹, Christian Bernhofer¹², Sebastien Biraud¹³, Gil Bohrer¹⁴, Nathaniel A Brunsell¹⁵, Bernard Cappelaere¹⁶, Saulo Castro-Contreras¹⁷, JungHwa Chun¹⁸, Bryan Conrad¹⁹, Edoardo Cremonese²⁰, Jerome Demarty²¹, Ankur R Desai²², Anne De Ligne²³, Lenka Foltýnová²⁴, Michael Goulden²⁵, Timothy J Griffis²⁶, Thomas Grünwald¹², Mark S. Johnson²⁷, Minseok Kang²⁸, Dave Kelbe²⁹, Natalia Kowalska³⁰, Jong-Hwan Lim¹⁸, Ibrahim Maïnassara³¹, Jonghwan Lim³², Matthew McCabe⁶, Justine Missik³³, Binayak Mohanty³⁴, Caitlin Moore³⁵, Laura Morillas³⁶, Ross Morrison³⁷, William Munger³⁸, Gabriela Posse³⁹, Andrew D Richardson⁴⁰, Eric Russell⁴¹, Youngryel Ryu²⁸, Gerardo A Sanchez-Azofeifa¹⁷, Marius Schmidt⁴², Efrat Schwartz⁴³, Iain Sharp⁴⁴, Ladislav Šigut⁴⁵, Yao Tang⁴⁶, Christine M Lee¹, Glynn C Hulley⁴⁷, Martha Anderson⁴⁸, Christopher Hain⁴⁹, Andrew N French⁵⁰, Eric F Wood⁵¹ and Simon J Hook^52,53, (1)Jet Propulsion Laboratory, Pasadena, CA, United States, (2)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States, (3)NASA Jet Propulsion Laboratory, Pasadena, United States, (4)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, (5)USDA Agricultural Research Service Riverside, Riverside, CA, United States, (6)King Abdullah University of Science and Technology, Thuwal, Saudi Arabia, (7)McMaster University, Hamilton, ON, Canada, (8)University of California Berkeley, Department of Environmental Science, Policy, and Management, Berkeley, CA, United States, (9)USDA ARS, Saint Paul, MN, United States, (10)Université Grenoble Alpes, LTHE, Grenoble, France, (11)University of Illinois at Urbana-Champaign, Department of Plant Biology, Urbana, IL, United States, (12)Technische Universität Dresden, Tharandt, Germany, (13)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (14)Ohio State University, Department of Civil, Environmental, and Geodetic Engineering, Columbus, OH, United States, (15)University of Kansas, Department of Geography and Atmospheric Science, Lawrence, KS, United States, (16)CNRS-INSU, LTHE, Grenoble, France, (17)University of Alberta, Edmonton, AB, Canada, (18)National Institute of Forest Science, Seoul, South Korea, (19)University of Kansas, Lawrence, United States, (20)ARPA Vda, Aosta, Italy, (21)IRD Institute for Research and Development, Marseille Cedex 02, France, (22)University of Wisconsin Madison, Department of Atmospheric and Oceanic Sciences, Madison, WI, United States, (23)University of Liege, Gembloux, Belgium, (24)Czech Academy of Sciences, Brno, Czech Republic, (25)Univesity of California, Irvine, CA, United States, (26)Univ Minnesota, Saint Paul, MN, United States, (27)The University of British Columbia, Institute for Resources, Environment and Sustainability, Vancouver, BC, Canada, (28)Seoul National University, Seoul, South Korea, (29)Xerra Earth Observation Institute, Alexandra, New Zealand, (30)University of Delaware, Newark, DE, United States, (31)Univ. Montpellier, Montpellier, France, (32)Portland, OR, United States, (33)Washington State University, Pullman, WA, United States, (34)Texas A&M University, Department of Biological and Agricultural Engineering, College Station, TX, United States, (35)University of Illinois at Urbana Champaign, Urbana, IL, United States, (36)The University of British Columbia, Earth, Ocean and Atmospheric Sciences, Vancouver, Canada, (37)Centre for Ecology & Hydrology, Wallingford, United Kingdom, (38)Harvard University, School of Engineering and Applied Sciences and Department of Earth and Planetary Sciences, Cambridge, MA, United States, (39)Instituto de Clima y Agua, Buenos Aires, Argentina, (40)Harvard University, Cambridge, MA, United States, (41)Washington State University, Laboratory for Atmospheric Research, Pullman, WA, United States, (42)Agrosphere Institute (IBG-3), Forschungszentrum Jülich, Jülich, Germany, (43)Weizmann Institute of Science, Rehovot, Israel, (44)University of Alberta, Edmonton, Canada, (45)Global Change Research Institute CAS, Brno, Czech Republic, (46)Georgia Institute of Technology, Atlanta, United States, (47)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (48)USDA ARS Hydrology and Remote Sensing Laboratory, Beltsville, MD, United States, (49)National Integrated Drought Information System, Boulder, CO, United States, (50)Organization Not Listed, USDA/AR, Washington, DC, United States, (51)Princeton University, Civil and Environmental Engineering, Princeton, NJ, United States, (52)LimnoTech, Ann Arbor, MI, United States, (53)NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States