Articles | Volume 18, issue 10
https://doi.org/10.5194/essd-18-7199-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-18-7199-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Data description article
| 
01 Oct 2026
Data description article |
| 01 Oct 2026
| 01 Oct 2026
The WoKaS-Iso database: workflow for a global compilation of oxygen-18 and deuterium records in karst springs and cave drip water for enhanced understanding of karst systems
Yining Zang
CORRESPONDING AUTHOR
Institute of Groundwater Management, Technical University of Dresden, 01069 Dresden, Germany
ANSTO, New Illawarra Road, Lucas Heights, NSW 2234, Australia
School of Biological, Earth and Environmental Sciences, UNSW Sydney, Sydney, NSW 2052, Australia
Kei Yoshimura
Institute of Industrial Science, The University of Tokyo, Kashiwa, Japan
Japan Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwa, Japan
Jayson Gabriel Pinza
ECOSPHERE Research Group, University of Antwerp, Universiteitsplein 1C, 2610 Antwerp, Belgium
Division of Soil and Water Management, KU Leuven, Celestijnenlaan 200E, 3001 Leuven, Belgium
Fengbo Zhang
Ningbo River Management Center, Ningbo Water Resources Bureau, Ningbo 315000, China
Kübra Özdemir Çallı
Institute of Groundwater Management, Technical University of Dresden, 01069 Dresden, Germany
Xiaojun Mei
Merchant Marine College, Shanghai Maritime University, Shanghai 201306, China
Admin Husic
Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, 24061, USA
Alena Gessert
Institute of Geography, Faculty of Sciences, University of P. J. Šafárik, 040 01 Košice, Slovakia
Andrej Stroj
Croatian Geological Survey, Sachsova 2, 10000 Zagreb, Croatia
Bartolomé Andreo
Department of Geology and Centre of Hydrogeology at the University of Malaga, 29071 Malaga, Spain
Bernard Ladouche
BRGM, Univ Montpellier, Montpellier, France
G-EAU, Univ Montpellier, AgroParisTech, BRGM, CIRAD, INRAE, Institut Agro, IRD, Montpellier, France
Christine Stumpp
Institute of Soil Physics and Rural Water Management, Department of Landscape, Water and Infrastructure, BOKU University, Vienna, Austria
Diana Mance
Faculty of Physics, University of Rijeka, 51000 Rijeka, Croatia
Eleni Zagana
Laboratory of Hydrogeology, Department of Geology, Faculty of Natural Sciences, University of Patras, 26504 Patras, Greece
Fen Huang
Key Laboratory of Karst Dynamics, MNR and GZAR, Institute of Karst Geology, Chinese Academy of Geological Sciences, Guilin 541004, China
Giuseppe Sappa
Department of Civil, Constructional and Environmental Engineering (DICEA), Sapienza University of Rome, 00184 Rome, Italy
Harald Kunstmann
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Campus Alpin, 82467 Garmisch-Partenkirchen, Germany
Institute of Geography, University of Augsburg, 86135 Augsburg, Germany
Heike Brielmann
Environment Agency Austria, Groundwater Unit, Spittelauer Laende 5, 1090 Vienna, Austria
Hong Zhou
School of Environmental Studies & Institute of Geological Survey, China University of Geosciences, Wuhan 430074, Hubei, China
Huaying Wu
Key Laboratory of Karst Dynamics, MNR and GZAR, Institute of Karst Geology, Chinese Academy of Geological Sciences, Guilin 541004, China
Jakob Garvelmann
Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Campus Alpin, 82467 Garmisch-Partenkirchen, Germany
Boden & grundwasser Allgäu GmbH, 87527 Sonthofen, Germany
James Berglund
Department of Civil and Environmental Engineering, University of Wisconsin – Platteville, Platteville, Wisconsin, USA
Jean-Baptiste Charlier
BRGM, Univ Montpellier, Montpellier, France
G-EAU, Univ Montpellier, AgroParisTech, BRGM, CIRAD, INRAE, Institut Agro, IRD, Montpellier, France
Jens Lange
Hydrology, University of Freiburg, 79098 Freiburg, Germany
Juan Antonio Barberá Fornell
Department of Geology and Centre of Hydrogeology at the University of Malaga, 29071 Malaga, Spain
Junbing Pu
Chongqing Key Laboratory of Carbon Cycle and Carbon Regulation of Mountain Ecosystem, School of Geography and Tourism, Chongqing Normal University, Chongqing 401331, China
Konstantina Katsanou
Department of Water Resources and Ecosystems, IHE Delft Institute for Water Education, Delft, the Netherlands
Kun Ren
Key Laboratory of Karst Dynamics, MNR and GZAR, Institute of Karst Geology, Chinese Academy of Geological Sciences, Guilin 541004, China
Laura Toran
Department of Earth and Environmental Science, Temple University, Philadelphia, Pennsylvania, USA
Laurence Gill
Department of Civil, Structural and Environmental Engineering, Trinity College Dublin, Dublin, Ireland
Maria Filippini
Department of Biological, Geological and Environmental Sciences – BiGeA, Alma Mater Studiorum, University of Bologna, Via Selmi 3, 40126 Bologna, Italy
Martin Kralik
Department of Environmental Geosciences, Center for Microbiology and Environmental Systems Science, University of Vienna, 1090 Vienna, Austria
Matías Mudarra Martínez
Department of Geology and Centre of Hydrogeology at the University of Malaga, 29071 Malaga, Spain
Min Zhao
State Key Laboratory of Environmental Geochemistry (SKLEG), Institute of Geochemistry, Chinese Academy of Sciences (CAS), Guiyang, China
Mingming Luo
School of Environmental Studies & Institute of Geological Survey, China University of Geosciences, Wuhan 430074, Hubei, China
Nico Goldscheider
Institute of Applied Geosciences, Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany
Nikolaos Lambrakis
Laboratory of Hydrogeology, Department of Geology, Faculty of Natural Sciences, University of Patras, 26504 Patras, Greece
Pantaleone De Vita
Department of Earth, Environmental and Resources Sciences (DiSTAR), University of Naples Federico II, Naples, Italy
Qiong Xiao
Key Laboratory of Karst Dynamics, MNR and GZAR, Institute of Karst Geology, Chinese Academy of Geological Sciences, Guilin 541004, China
Shi Yu
Key Laboratory of Karst Dynamics, MNR and GZAR, Institute of Karst Geology, Chinese Academy of Geological Sciences, Guilin 541004, China
Silvia Iacurto
Department of Civil, Constructional and Environmental Engineering (DICEA), Sapienza University of Rome, 00184 Rome, Italy
Silvio Coda
Department of Earth, Environmental and Resources Sciences (DiSTAR), University of Naples Federico II, Naples, Italy
Ted McCormack
Geological Survey Ireland, Booterstown Avenue, Booterstown, Blackrock, Ireland
Vincenzo Allocca
Department of Earth, Environmental and Resources Sciences (DiSTAR), University of Naples Federico II, Naples, Italy
W. George Darling
British Geological Survey, Wallingford, OX10 8BB, United Kingdom
Walter D'Alessandro
Istituto Nazionale di Geofisica e Vulcanologia – Sezione di Palermo, Via La Malfa 153, 90146 Palermo, Italy
Xulei Guo
School of Environmental Studies & Institute of Geological Survey, China University of Geosciences, Wuhan 430074, Hubei, China
Yundi Hu
School of Geography and Environmental Science, Guizhou Normal University, Guiyang 550001, People's Republic of China
Zhijun Wang
Faculty of Arts and Sciences, Beijing Normal University, Zhuhai 519087, China
Eva Kaminsky
Karst and Cave Group, Geological Paleontological Department, Natural History Museum, Vienna, Austria
Institute of Soil Physics and Rural Water Management, Department of Landscape, Water and Infrastructure, BOKU University, Vienna, Austria
Jiří Faimon
Department of Geological Sciences, Faculty of Science, Masaryk University, Brno, Czech Republic
Czech Geological Survey, Brno Branch, Brno, Czech Republic
Marek Lang
Department of Geological Sciences, Faculty of Science, Masaryk University, Brno, Czech Republic
Pavel Pracný
Department of Geological Sciences, Faculty of Science, Masaryk University, Brno, Czech Republic
Aurel Persoiu
Emil Racoviță Institute of Speleology, Romanian Academy, 400006 Cluj-Napoca, Romania
Stable Isotope Laboratory, Stefan cel Mare University, 720229 Suceava, Romania
School of Geology, Department of Physical Geography, Aristotle University of Thessaloniki, 54636 Thessaloniki, Greece
Andreas Hartmann
Institute of Groundwater Management, Technical University of Dresden, 01069 Dresden, Germany
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Short summary
We developed the first global database of water from karst springs and cave drips that records different forms of oxygen and hydrogen, which naturally trace how rainwater moves through rocks. By gathering and checking thousands of measurements from around the globe and linking them with flow and rainfall data, the database provides a comprehensive view of water movement, allows scientists to compare regions, understand groundwater processes, and support sustainable water management worldwide.
We developed the first global database of water from karst springs and cave drips that records...
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