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Arctic
6
Biomarkers
6
Calculated
Carbon/Nitrogen ratio
6
Comment
6
Fraction modern carbon
6
Laboratory code/label
6
3,5-dihydroxybenzoic acid/vanillyl phenols ratio
4
Acids/alkanes ratio
4
Cinnamyl phenols/vanillyl phenols ratio
4
Cutin/Lignin ratio
4
Multiple investigations
4
Permafrost
4
Sample ID
4
organic carbon
4
sediment
4
Δ14C
4
δ13C
4
14C AMS
3
Age
3
Age, 14C AMS
3
Age, dated
3
Carbon
3
Carbon, organic, total
3
Delta XP
3
Elemental analyzer (EA)
3
Elemental analyzer EA, Thermo Scientific, FlashEA 1112
3
FlashEA 1112
3
Fraction modern carbon, error, relative
3
HER
3
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