Published May 10, 2021 | Version v1
Dataset Open

Soil carbon loss in warmed subarctic grasslands is rapid and restricted to topsoil

Creators

  • 1. Universiteit Antwerpen
  • 2. Agricultural University of Iceland
  • 3. University of Vienna
  • 4. Colorado State University
  • 5. Vrije Universiteit Amsterdam
  • 6. Thünen institute
  • 7. Innsbruck Universität
  • 8. PSL Research University
  • 9. University of Copenhagen
  • 10. Soil Conservation Service of Iceland
  • 11. Swedish University of Agricultural Sciences
  • 12. Chinese Academy of Sciences
  • 13. University of Eastern Finland
  • 14. CREAF
  • 15. Icelandic Forest Research
  • 16. University of Tartu
  • 17. Universiteit Leiden
  • 18. ETH Zürich
  • 19. Lund University

Description

This file includes the variable description of the data files published on Zenodo for the manuscript submitted to Biogeosciences titled 'Soil carbon loss in warmed subarctic grasslands is rapid and restricted to topsoil'

'stocks_data.csv'; includes the C stock data
grassland: medium-term warmed (MTW) or long-term warmed (LTW) grassland
sampling_year: year in which the soil samples were taken (2013 or 2018)
SOC_stock_corr: Mass-corrected soil organic carbon stock
SOC_stock: Uncorrected soil organic carbon stock
C_perc: soil C % of the soil sample
warming: degrees of soil warming (°C)
ID: plot soil ID
soil_layer: layer of soil sampled (0-10cm or 10-30cm)
BD: bulk density (g cm-3)
YOW: Years of warming; years the soil was warmed before sampling


'C_input_data.csv'; includes the C input data
ID: plot soil ID
grassland: medium-term warmed (MTW) or long-term warmed (LTW) grassland
AMF_Cnew: C sequestered by AMF (ton C ha-1); data from Zhang et al., 2020
fine_root_C: fine root C in soil (ton C ha-1)
AGB_C: aboveground biomass C on top of soil (ton C ha-1)
warming: degrees of soil warming (°C)

'agg_data.csv'; includes the aggregate fractionation data
ID: plot soil ID
grassland: medium-term warmed (MTW) or long-term warmed (LTW) grassland
warming: degrees of soil warming (°C)
rel_mass: Relative aggregate fraction (%)
C_perc: C amount in the aggregate fraction (%)
abs_C_mass: absolute amount of C per fraction (g C 100 g-1 dw soil)

'DOC_data.csv'; includes the dissolved organic carbon leachate data (data from Edlinger, 2016)
year: sampling year of the leachates
grassland: medium-term warmed (MTW) or long-term warmed (LTW) grassland
ID: plot soil ID
warming: degrees of soil warming (°C)
DOC: dissolved organic carbon (ppm)

'T_profile_LTW.csv'; includes temperature profile data from the long-term warmed grassland
grassland: long-term warmed (LTW) grassland
ID: plot soil ID
depth: depth (cm) at which the the temperature was measured
T_diff_from_10cm: temperature difference compared to 10cm depth (°C)

'fine_root_LTW.csv'; includes fine root density data from the long-term warmed grassland
warming: degrees of soil warming (°C)
fine_root_density: fine root density (mg roots cm-3)
soil_layer: layer of soil sampled (0-10cm or 10-30cm)
grassland: long-term warmed (LTW) grassland
ID: plot soil ID

Files

agg_data.csv

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