Articles | Volume 18, issue 8
https://doi.org/10.5194/essd-18-5793-2026
© 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-18-5793-2026
© 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
| 
10 Aug 2026
Data description article |
| 10 Aug 2026
| 10 Aug 2026
The International Soil Radiocarbon Database (ISRaD) version 2: synthesis, data gaps, and future directions of soil radiocarbon data
Sophie F. von Fromm
CORRESPONDING AUTHOR
Montana State University, Bozeman, 59717, MT, USA
R. Scott Winton
University of California Santa Cruz, Santa Cruz, 95064, CA, USA
Derrick R. Vaughn
Utah State University, Logan, 84322, UT, USA
Jennifer C. Bowen
Georgia Institute of Technology, Atlanta, 30332, GA, USA
Max Planck Institute for Biogeochemistry, Jena, 07745, Germany
Kateřina Jandová
Charles University, Prague, 11636, Czech Republic
Julie Shahan
Stanford University, Stanford, 94305, CA, USA
Olga Vindušková
Charles University, Prague, 11636, Czech Republic
Shane W. Stoner
University of Wisconsin – Madison, Madison, 53707, WI, USA
Maedeh Chitsaz
University of California Berkeley, Berkeley, 94720, CA, USA
Avni Malhotra
Pacific Northwest National Laboratory, Richland, 99354, WA, USA
Adrian A. Wackett
Stanford University, Stanford, 94305, CA, USA
Alison M. Hoyt
Stanford University, Stanford, 94305, CA, USA
Katherine Heckman
USDA Forest Service, Northern Research Station, Houghton, 49932, MI, USA
Katerina Georgiou
Oregon State University, Corvallis, 97331, OR, USA
Daniel Wasner
ETH Zurich, Zurich, 8006, Switzerland
Luisa Isabell Minich
ETH Zurich, Zurich, 8006, Switzerland
Swiss Federal Institute for Forest, Snow, and Landscape Research WSL, Birmensdorf, 8903, Switzerland
Katherine E. Grant
Lawrence Livermore National Laboratory, Livermore, 94550, CA, USA
Caitlin E. Hicks Pries
Dartmouth College, Hanover, 03755, NH, USA
Karis J. McFarlane
Lawrence Livermore National Laboratory, Livermore, 94550, CA, USA
Anna Abramova
University of California Berkeley, Berkeley, 94720, CA, USA
Corey Lawrence
Andes Ag Inc, Alameda, 94501, CA, USA
Jeffrey Beem-Miller
Cornell University, Ithaca, 14853, NY, USA
Data sets
International Soil Radiocarbon Database (ISRaD) version 2 J. Beem-Miller et al. https://doi.org/10.5281/zenodo.17860507
Model code and software
International Soil Radiocarbon Database (ISRaD) version 2 data analysis S. von Fromm et al. https://doi.org/10.5281/zenodo.17859527
Short summary
Here we present the updated International Soil Radiocarbon Database version 2, which compiles radiocarbon data from over 500 studies at 1700 locations worldwide. The database provides various soil radiocarbon measurements to improve our understanding of factors that influence the age distributions of carbon in soils. While we have made progress expanding the database and improving its structure, important gaps remain in tropical regions, deep soils, and certain measurement types.
Here we present the updated International Soil Radiocarbon Database version 2, which compiles...
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