Affiliation: | 1. Department of Earth System Science, University of California, Irvine, CA 92697, USA;2. Faculty of Earth and Life Sciences, VU University, 1081HV Amsterdam, The Netherlands;3. NASA Goddard Space Flight Center, Biospheric Sciences Branch, Code 614.4, Greenbelt, MD 20771, USA;4. Nicholas School of the Environment, Duke University, Durham, NC 27708, USA |