Articles | Volume 27, issue 2
https://doi.org/10.5194/hess-27-599-2023
© Author(s) 2023. 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-27-599-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
30 Jan 2023
Research article |
| 30 Jan 2023
| 30 Jan 2023
Controls on leaf water hydrogen and oxygen isotopes: a local investigation across seasons and altitude
Jinzhao Liu
CORRESPONDING AUTHOR
State Key Laboratory of Loess and Quaternary Geology, Center for
Excellence in Quaternary Science and Global Change, Institute of Earth
Environment, Chinese Academy of Sciences, Xi'an 710061, China
National Observation and Research Station of Earth Critical Zone on
the Loess Plateau of Shaanxi, Xi'an 710061, China
Chong Jiang
State Key Laboratory of Loess and Quaternary Geology, Center for
Excellence in Quaternary Science and Global Change, Institute of Earth
Environment, Chinese Academy of Sciences, Xi'an 710061, China
Huawu Wu
Key Laboratory of Watershed Geographic Sciences, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China
Li Guo
State Key Laboratory of Hydraulics and Mountain River Engineering & College of Water Resource and Hydropower, Sichuan University, Chengdu 610065, China
Haiwei Zhang
Institute of Global Environmental Change, Xi'an Jiaotong University, Xi'an 710054, China
Ying Zhao
College of Resources and Environmental Engineering, Ludong University, Yantai 264025, China
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Short summary
What controls leaf water isotopes? We answered the question from two perspectives: respective and dual isotopes. On the one hand, the δ18O and δ2H values of leaf water responded to isotopes of potential source water (i.e., twig water, soil water, and precipitation) and meteorological parameters (i.e., temperature, RH, and precipitation) differently. On the other hand, dual δ18O and δ2H values of leaf water yielded a significant linear relationship associated with altitude and seasonality.
What controls leaf water isotopes? We answered the question from two perspectives: respective...
