Hydrology and Earth System Sciences
Hydrology and Earth System Sciences
HESS
Articles | Volume 29, issue 20
Articles | Volume 29, issue 20
https://doi.org/10.5194/hess-29-5645-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-29-5645-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 29, issue 20
Research article
 | 
23 Oct 2025
Research article |  | 23 Oct 2025

Enhancing evapotranspiration estimates under climate change: the role of CO2 physiological feedback and CMIP6 scenarios

Xiaofan Yang, Yu Chen, Han Qiu, Virgílio A. Bento, Hongquan Song, Wei Shui, Jingyu Zeng, and Qianfeng Wang

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Short summary
The future of global evaporation under climate change is uncertain. Current Evapotranspiration models mainly rely on the high-emissions Coupled Model Intercomparison Project Phase 5 (CMIP5) scenario and do not fully capture vegetation-climate interactions in low-emissions. Updated models using output from Coupled Model Intercomparison Project Phase 6 (CMIP6) under four Shared Socioeconomic Pathways show ET projections will grow more dependent on the emissions scenario.
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