Articles | Volume 25, issue 7
https://doi.org/10.5194/hess-25-3805-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-25-3805-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
02 Jul 2021
Research article |
| 02 Jul 2021
| 02 Jul 2021
Long-term relative decline in evapotranspiration with increasing runoff on fractional land surfaces
Key Laboratory of Virtual Geographical Environment (Nanjing Normal
University), Ministry of Education, Nanjing, 210023, China
School of Geographical Sciences, Nanjing Normal University, Nanjing, 210023, China
Jiangsu Center for Collaborative Innovation in Geographical
Information Resource Development and Application, Nanjing, 210023, China
Pierre Gentine
CORRESPONDING AUTHOR
Earth and Environmental Engineering Department, Columbia University, New York, NY 10027, USA
Earth Institute, Columbia University, New York, NY 10025, USA
Jiabo Yin
State Key Laboratory of Water Resources and Hydropower Engineering
Science, Wuhan University, Wuhan, 430072, China
Lijuan Chen
Key Laboratory of Virtual Geographical Environment (Nanjing Normal
University), Ministry of Education, Nanjing, 210023, China
School of Geographical Sciences, Nanjing Normal University, Nanjing, 210023, China
Jiangsu Center for Collaborative Innovation in Geographical
Information Resource Development and Application, Nanjing, 210023, China
Jianyao Chen
School of Geography and Planning, Sun Yat-sen University, Guangzhou, 510275, China
Guandong Key Laboratory for Urbanization and Geo-simulation, Sun
Yat-sen University, Guangzhou, 510275, China
Longhui Li
Key Laboratory of Virtual Geographical Environment (Nanjing Normal
University), Ministry of Education, Nanjing, 210023, China
School of Geographical Sciences, Nanjing Normal University, Nanjing, 210023, China
Jiangsu Center for Collaborative Innovation in Geographical
Information Resource Development and Application, Nanjing, 210023, China
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Short summary
Assessment of changes in the global water cycle has been a challenge. This study estimated long-term global latent heat and sensible heat fluxes for recent decades using machine learning and ground observations. The results found that the decline in evaporative fraction was typically accompanied by an increase in long-term runoff in over 27.06 % of the global land areas. The observation-driven findings emphasized that surface vegetation has great impacts in regulating water and energy cycles.
Assessment of changes in the global water cycle has been a challenge. This study estimated...
