ADBC BP C14 Δ14C

1 QL atmospheric

2 UB atmospheric

3 WK atmospheric

4 GRN atmospheric

5 HD atmospheric

6 PTA atmospheric

7 CAMS atmospheric

8 UCIAMS atmospheric

9 Bronk Ramsey atmospheric

10 Bard corals marine

11 Fairbanks marine

12 Edwards marine

13 Burr marine

14 Cutler marine

15 Hughen Cariaco varved marine

16 Reimer marine

17 Durand marine

20 Hughen Cariaco unvarved marine

21 Bard Iberian Margin marine

22 Bard Pakistan Margin marine

24 Southon speleothem

25 Hoffman speleothem

26 Beck speleothem

*calsig is the maximum of calendar span and calendar uncertainty