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Arctic
4
Biomarkers
Calculated
4
Carbon/Nitrogen ratio
4
Comment
4
Fraction modern carbon
4
Laboratory code/label
4
Multiple investigations
4
Permafrost
4
Sample ID
organic carbon
4
sediment
4
Δ14C
4
δ13C
Age, 14C AMS
3
Age, dated
3
Carbon, organic, total
3
Elemental analyzer EA, Thermo Scientific, FlashEA 1112
3
Fraction modern carbon, error, relative
3
Isotope ratio mass spectrometry-elemental analyzer IRMS-EA, Thermo Finnigan, Delta XP; Elemental analyzer EA, Thermo Scientific, FlashEA 1112
3
MICADAS accelerator mass spectrometer AMS, Ionplus; according to McIntyre et al. 2017 and Haghipour et al. 2018
3
Nitrogen, total
3
3,5-dihydroxybenzoic acid/vanillyl phenols ratio
2
Acids/alkanes ratio
2
Carbon Preference Index, fatty acids
2
Carbon Preference Index, n-Alkanes
2
Cinnamyl phenols/vanillyl phenols ratio
2
Cutin, per unit mass organic carbon
2
Cutin/Lignin ratio
2
Gas chromatograph GC, Agilent, GC 7820; coupled with Quadrupole mass selective detector MSD, Agilent, EI 5977B
2
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