Causes and factors of cryogenic extraction biases on isotopes of xylem water

M Wen, D He, M Li, R Ren, J Jin… - Water Resources …, 2022 - Wiley Online Library
Cryogenic vacuum extraction (CVE) has been considered as the standard technique for the
analysis of plant water stable isotopes in ecohydrological research. Recent studies reported …

Toward a common methodological framework for the sampling, extraction, and isotopic analysis of water in the Critical Zone to study vegetation water use

N Ceperley, TE Gimeno, SR Jacobs… - Wiley …, 2024 - Wiley Online Library
The analysis of the stable isotopic composition of hydrogen and oxygen in water samples
from soils and plants can help to identify sources of vegetation water uptake. This approach …

Snowmelt water use at transpiration onset: Phenology, isotope tracing, and tree water transit time

MF Nehemy, J Maillet, N Perron… - Water Resources …, 2022 - Wiley Online Library
Studies of tree water source partitioning have primarily focused on the growing season.
However, little is yet known about the source of transpiration before, during, and after …

Vapour pressure deficit and solar radiation are the major drivers of transpiration in montane tropical secondary forests in eastern Madagascar

CP Ghimire, HJI van Meerveld, BW Zwartendijk… - Agricultural and Forest …, 2022 - Elsevier
Young secondary tropical forests occupy a larger area than mature forests nowadays but our
understanding of their ecohydrological functioning, particularly with respect to tree water …

On the urgent need for standardization in isotope‐based ecohydrological investigations

C Millar, K Janzen, MF Nehemy, G Koehler… - Hydrological …, 2022 - Wiley Online Library
Ecohydrological investigations commonly use the stable isotopes of water (hydrogen and
oxygen) as conservative ecosystem tracers. This approach requires accessing and …

[HTML][HTML] Isotopic offsets between bulk plant water and its sources are larger in cool and wet environments

J De la Casa, A Barbeta… - Hydrology and Earth …, 2022 - hess.copernicus.org
Isotope-based approaches to study plant water sources rely on the assumption that root
water uptake and within-plant water transport are non-fractionating processes. However, a …

Inter-comparison of extraction methods for plant water isotope analysis and its indicative significance

M Wen, X Zhao, B Si, D He, M Li, X Gao, Y Cai, Y Lu… - Journal of …, 2023 - Elsevier
Recent studies have shown that the widely used water extraction method, cryogenic vacuum
extraction (CVE), may be biased toward plant water isotope analysis, and the long-standing …

Xylem water cryogenic vacuum extraction: Testing correction methods with CaviTron-based apple twig sampling

D He, M Wen, Y Wang, G Du, C Zhang, H He, J Jin… - Journal of …, 2023 - Elsevier
Cryogenic vacuum extraction (CVE), the most popular method for obtaining xylem water for
isotopic analysis of ecosystems, is known to cause δ 2 H offset and may lead to biased …

On the spatio-temporal under-representation of isotopic data in ecohydrological studies

M Beyer, D Penna - Frontiers in Water, 2021 - frontiersin.org
Achieving a holistic understanding of water sources used by plants is of great importance for
water resources management in vegetated ecosystems under changing climatic conditions …

Quantitative contribution of cryogenic vacuum extraction and radial water transport to xylem-source water deuterium offsets

Y Li, X Song, L Wang, M Sprenger, Y Ma - Agricultural and Forest …, 2024 - Elsevier
The positions and magnitudes of deuterium offsets between bulk xylem and corresponding
source waters are under debate and quantifying them is essential for isotope-based …