Table 3 Radiocarbon results of total inorganic carbon (TIC) and total organic carbon (TOC) in Lake Untersee, Antarctica.

From: Sources of solutes and carbon cycling in perennially ice-covered Lake Untersee, Antarctica

Sample ID

Depth (m)

F14CTIC

14C year BP (± 2σ)

Lab ID

North Basin, 2017

NB-10

10

0.4361 (0.0054)

6,666 (98)

UOC-6214

NB-40

40

0.5989 (0.0132)

4,119 (176)

UOC-6215

NB-120

120

0.4307 (0.004)

6,766 (76)

UOC-6217

South Basin, 2017

SB-10

10

0.4156 (0.0046)

7,054 (88)

UOC-6219

SB-40

40

0.4143 (0.0038)

7,079 (76)

UOC-6220

 

F14CTOC

14C year BP (± 2σ)

 

North Basin, 2017

NB-10–40

10–40

0.4233 (0.0322)a

6,906 (610)a

UOC-6540

NB-80–120

80–120

0.5547 (0.0418)b

4,734 (610)b

UOC-6541

  1. F14C, fraction modern carbon; 14C year BP, years before 1950; a, samples NB-10 and NB-40; b, samples NB-80 and NB-120 were combined to yield sufficient carbon for analysis.