Vapor pressure deficit is as important as soil moisture in determining limitations to evapotranspiration during drought

Kimberly A Novick, Indiana University Bloomington, School of Public and Environmental Affairs, Bloomington, IN, United States, Christopher A Williams, Clark University, Graduate School of Geography, Worcester, MA, United States, Richard P Phillips, Indiana University, Department of Biology, Bloomington, IN, United States, Andrew C Oishi, USDA Forest Service Southern Research Station, Hot Springs National, AR, United States, Benjamin N Sulman, Princeton University, Atmospheric and Oceanic Sciences, Princeton, NJ, United States, Gil Bohrer, The Ohio State University, Department of Civil, Environmental and Geodetic Engineering, Columbus, United States and Darren L Ficklin, Indiana University Bloomington, Department of Geography, Bloomington, IN, United States