Articles | Volume 26, issue 13
https://doi.org/10.5194/hess-26-3691-2022
https://doi.org/10.5194/hess-26-3691-2022
Research article
 | 
15 Jul 2022
Research article |  | 15 Jul 2022

Attribution of global evapotranspiration trends based on the Budyko framework

Shijie Li, Guojie Wang, Chenxia Zhu, Jiao Lu, Waheed Ullah, Daniel Fiifi Tawia Hagan, Giri Kattel, and Jian Peng

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Cited articles

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Allen, R. G., Howell, T. A., Pruitt, W. O., Walter, I. A., Jensen, M. E. (Eds.): Lysimeters for Evapotranspiration and Environmental Measurements, American Society of Civil Engineers Publication, Reston, VA, USA, p. 444, ISBN 9780872628137; 0872628132, 1991. 
Allen, R. G., Pereira, L. S., Raes, D., and Smith, M. (Eds.): Crop Evapotranspiration: Guidelines for Computing Crop Requirements, Irrigation and Drainage Paper 56, FAO, Roma, Italia, ISBN 9251042195, 1998. 
Ashraf, B., AghaKouchak, A., Alizadeh, A., Baygi, M. M., Moftakhari, H. R., Mirchi, A., Anjileli, H., and Madani, K.: Quantifying Anthropogenic Stress on Groundwater Resources, Scientific Reports, 7, 12910, https://doi.org/10.1038/s41598-017-12877-4, 2017. 
Badgley, G., Fisher, J. B., Jiménez, C., Tu, K. P., and Vinukollu, R.: On Uncertainty in Global Terrestrial Evapotranspiration Estimates from Choice of Input Forcing Datasets, J. Hydrometeorol., 16, 1449–1455, https://doi.org/10.1175/JHM-D-14-0040.1, 2015. 
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We found that the precipitation variability dominantly controls global evapotranspiration (ET) in dry climates, while the net radiation has substantial control over ET in the tropical regions, and vapor pressure deficit (VPD) impacts ET trends in boreal mid-latitude climate. The critical role of VPD in controlling ET trends is particularly emphasized due to its influence in controlling the carbon–water–energy cycle.