Supplementary Material
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Title: "Radiocarbon analysis reveals underestimation of soil organic carbon persistence in new-generation soil models"
Authors: A. S. Brunmayr, F. Hagedorn, M. Moreno Duborgel, L. I. Minich, H. D. Graven.
Journal: Geoscientific Model Development
Submission date: 2023-12-18


Contents
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readme.txt
plots/
tables/


Description
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Results from evaluating the performance of soil organic carbon models with measured 14C data.

All plots and tables were produced by running `produce_all_results.py` in https://github.com/asb219/evaluate-SOC-models.

Tested models:
- CORPSE-fire-response: unpublished version, model first published in Sulman et al. (2014), https://doi.org/10.1038/nclimate2436
- MEND-new: Wang GS et al. (2022), https://doi.org/10.1111/gcb.16036
- Millennial V2: Abramoff et al. (2022), https://doi.org/10.1016/j.soilbio.2021.108466
- MIMICS-CN v1.0: Kyker-Snowman et al. (2020), https://doi.org/10.5194/gmd-13-4413-2020
- MIMICS: Wang YP et al. (2021), https://doi.org/10.1029/2020JG006205
- SOMic 1.0: Woolf & Lehmann (2019), https://doi.org/10.1038/s41598-019-43026-8

Data sources:
- International Soil Radiocarbon Database (ISRaD), https://soilradiocarbon.org
- SoilGrids, https://soilgrids.org (downloaded with `soilgrids` package, https://github.com/gantian127/soilgrids)
- CESM2 Large Ensemble, https://doi.org/10.26024/kgmp-c556
- Tian & Yang (2018), https://doi.org/10.1175/BAMS-D-17-0212.1 (downloaded from ISIMIP, https://data.isimip.org)


Abbreviations in tables
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bulk = total soil organic matter
HF = heavy fraction (~ particulate organic matter)
LF = light fraction (~ mineral-associated organic matter)
fLF = free light fraction
oLF = occluded light fraction

14c = Delta14C in permille
soc_kgm2 = soil organic carbon stocks in kg/m2
c_perc = fraction's contribution to total soil organic carbon (in percent)
