Increased water-use efficiency and reduced CO₂ uptake by plants during droughts at a continental scale

Wouter Peters, Ivar R. van der Velde, Erik van Schaik, John B. Miller, Philippe Ciais, Henrique F. Duarte, Ingrid T. van der Laan-Luijkx, Michiel K. van der Molen, Marko Scholze, Kevin Schaefer, Pier Luigi Vidale, Anne Verhoef, David Wårlind, Dan Zhu, Pieter P. Tans, Bruce Vaughn, James W.C. White