Ceperley, Natalie ClaireNatalie ClaireCeperley0000-0002-2260-8426Barbeta, AdriàAdriàBarbetaKübert, AngelikaAngelikaKübertMarttila, HannuHannuMarttilaPrieto, IvánIvánPrietoPenna, DanieleDanielePennaFloriancic, Marius G.Marius G.FloriancicLehmann, MarcoMarcoLehmannVoltas, JordiJordiVoltasZuecco, GiuliaGiuliaZuecco2025-03-312025-03-312023-11-21https://boris-portal.unibe.ch/handle/20.500.12422/208975As part of a project to develop a common methodological framework for water sampling, extraction, and isotopic analysis to study vegetation water use, we conducted an informal survey of current practices.  A simple questionnaire via Google form was sent out to all members of the WATer isotopeS in the critical zONE (WATSON) European Cooperation in Science and Technology (COST) Action (#19120, 2020-2024) between July and September 2021. In this repository, we've included a brief write-up of this survey and the survey data.en900 - History::910 - Geography & travel500 - Science::550 - Earth sciences & geologydataset10.48350/19173910.5281/zenodo.10125128