Soil and tree stem xylem water isotope data from two pan-European sampling campaigns

作者：Marco M. Lehmann, Josie Geris, Ilja van Meerveld, Daniele Penna, Youri Rothfuss, Matteo Verdone, Pertti Ala‐aho, Mátyás Árvai, Alise Babre, Philippe Balandier, Fabian Bernhard, Lukrecija Butorac, Simon Carrière, Natalie Ceperley, Zuosinan Chen, Alicia Correa, Haoyu Diao, David Dubbert, Maren Dubbert, Fabio Ercoli, Marius G. Floriancic, Alligin Ghazoul, Teresa E. Gimeno, Damien Gounelle, Frank Hagedorn, Christophe Hissler, Frédéric Huneau, Alberto Iraheta, Tamara Jakovljević, Nerantzis Kazakis, Zoltán Kern, Laura Kinzinger, Karl Knaebel, Johannes Kobler, Jiří Kocum, Charlotte Koeber, Gerbrand Koren, Angelika Kübert, Dawid Kupka, Samuel Le Gall, Aleksi Lehtonen, Thomas Leydier, Philippe Malagoli, Francesca Sofia Manca di Villahermosa, Chiara Marchina, Núria Martínez‐Carreras, Nicolas Martin‐StPaul, Hannu Marttila, Aline Meyer Oliveira, Gaël Monvoisin, Natalie Orlowski, Kadi Palmik‐Das, Aurel Perşoiu, Andreï Popa, Egor Prikaziuk, Cécile Quantin, Katja T. Rinne‐Garmston, Clara Rohde, Martin Šanda, Matthias Saurer, Daniel Schulz, Michael Stockinger, Christine Stumpp, Jean‐Stéphane Venisse, Lukáš Vlček, Stylianos Voudouris, Björn Weeser, Mark E. Wilkinson, Giulia Zuecco, Katrin Meusburger · 发表于：Earth system science data · 年份：2025 · DOI：10.5194/essd-17-6129-2025 · 被引用次数：2 · 研究领域：Plant Water Relations and Carbon Dynamics、Tree-ring climate responses、Hydrology and Watershed Management Studies

Abstract. The stable isotope ratios of hydrogen (δ2H) and oxygen (δ18O) are useful for studying ecohydrological dynamics in forests. However, most isotope-based eco-hydrological studies are limited to single sites, resulting in a lack of large-scale isotope data for understanding tree water uptake. Here, we provide a first systematic isotope dataset for soil and stem xylem water collected during two pan-European sampling campaigns at 40 beech (Fagus sylvatica), spruce (Picea abies), or mixed beech-spruce forest sites in spring and summer 2023 (https://doi.org/10.16904/envidat.542, Lehmann et al., 2024). The dataset is complemented by additional site-, soil-, and tree-specific metadata. The samples and metadata were collected by different researchers across Europe following a standardized protocol. Soil samples were taken at up to 5 depths (ranging from 0 to 90 cm) and stem xylem samples from the trunks of three beech and/or spruce trees per site. All samples were sent to a single laboratory, where all analytical work was conducted. Water was extracted using cryogenic vacuum distillation and analyzed with an isotope laser spectrometer. Additionally, a subset of the samples was analyzed with an isotope ratio mass spectrometer. Data quality checks revealed a high mean total extraction efficiency, mean water amount (>1 mL), accuracy, and precision. The isotopic signature of soil and stem xylem water varied as a function of the geographic origin and changed from spring to summe...