Terrestrial water fluxes dominated by transpiration

@article{Jasechko2013TerrestrialWF,
  title={Terrestrial water fluxes dominated by transpiration},
  author={Scott Jasechko and Zachary Sharp and John J. Gibson and S.J. Birks and Yi Yi and Peter J. Fawcett},
  journal={Nature},
  year={2013},
  volume={496},
  pages={347-350}
}
Renewable fresh water over continents has input from precipitation and losses to the atmosphere through evaporation and transpiration. Global-scale estimates of transpiration from climate models are poorly constrained owing to large uncertainties in stomatal conductance and the lack of catchment-scale measurements required for model calibration, resulting in a range of predictions spanning 20 to 65 per cent of total terrestrial evapotranspiration (14,000 to 41,000 km3 per year) (refs 1, 2, 3, 4… 
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