Table A1.
Sonication extraction-derived bGDGTs and proxies for sediment samples.
| Samples§ | bGDGTs (%) |
bGDGT proxies‡ |
BIT | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GDGT-III | GDGT-IIIb | GDGT-IIIc | GDGT-II | GDGT-IIb | GDGT-IIc | GDGT-I | GDGT-Ib | GDGT-Ic | mbt | cbt | tmbt/cbt(°C) | phcbt | ||
| m/z 1050 | m/z 1048 | m/z 1046 | m/z 1036 | m/z 1034 | m/z 1032 | m/z 1022 | m/z 1020 | m/z 1018 | ||||||
| PR-sedi-9-CL | 3.52 | 0.50 | 0.09 | 26.40 | 6.49 | 0.75 | 49.50 | 10.82 | 1.93 | 0.62 | 0.64 | 19.0 | 7.1 | 0.94 |
| PR-sedi-8-CL | 2.68 | 0.34 | 0.18 | 22.25 | 5.24 | 0.75 | 54.03 | 12.46 | 2.07 | 0.69 | 0.63 | 22.2 | 7.1 | 0.93 |
| PR-sedi-10-CL | 3.96 | 0.47 | 0.22 | 23.50 | 5.87 | 0.86 | 50.13 | 12.64 | 2.36 | 0.65 | 0.60 | 20.9 | 7.2 | 0.88 |
| PR-sedi-7-CL | 3.08 | 0.42 | 0.13 | 23.32 | 5.22 | 0.65 | 53.08 | 11.83 | 2.28 | 0.67 | 0.65 | 21.4 | 7.0 | 0.86 |
| PR-sedi-6-CL | 4.54 | 0.48 | 0.27 | 23.65 | 5.89 | 0.65 | 49.72 | 12.00 | 2.79 | 0.65 | 0.61 | 20.4 | 7.2 | 0.79 |
| PR-sedi-5-CL | 4.32 | 0.64 | 0.33 | 21.80 | 5.53 | 0.65 | 51.37 | 12.65 | 2.71 | 0.67 | 0.60 | 21.6 | 7.2 | 0.76 |
| PR-sedi-4-CL | 5.46 | n.d.† | n.d. | 19.59 | 5.62 | 1.07 | 52.93 | 11.71 | 3.63 | 0.68 | 0.62 | 22.2 | 7.1 | 0.69 |
| PR-sedi-3-CL | 4.69 | 0.50 | 0.29 | 23.73 | 5.92 | 0.95 | 48.53 | 12.32 | 3.07 | 0.64 | 0.60 | 20.3 | 7.2 | 0.65 |
| PR-sedi-2-CL | 5.15 | 1.02 | n.d. | 19.51 | 6.04 | 1.05 | 51.33 | 12.68 | 3.22 | 0.67 | 0.58 | 22.1 | 7.2 | 0.58 |
| PR-sedi-1-CL | 5.10 | 0.67 | 0.20 | 22.47 | 5.90 | 0.87 | 49.54 | 12.35 | 2.89 | 0.65 | 0.60 | 20.7 | 7.2 | 0.71 |
| PR-sedi-11-CL | 5.51 | 0.81 | n.d. | 22.88 | 7.42 | 1.27 | 45.67 | 13.16 | 3.28 | 0.62 | 0.52 | 20.1 | 7.4 | 0.40 |
| PR-sedi-12-CL | 5.27 | 0.60 | 0.23 | 21.80 | 7.40 | 1.31 | 46.73 | 12.94 | 3.72 | 0.63 | 0.53 | 20.7 | 7.4 | 0.52 |
| PR-sedi-14-CL | 5.72 | 0.60 | n.d. | 20.82 | 5.07 | 1.07 | 45.64 | 13.58 | 7.51 | 0.67 | 0.55 | 22.1 | 7.3 | 0.12 |
| PR-sedi-9-PL | 12.50 | 1.20 | 0.59 | 37.65 | 4.95 | 0.35 | 34.55 | 7.67 | 0.54 | 0.43 | 0.76 | 8.2 | 6.8 | 0.88 |
| PR-sedi-8-PL | 22.77 | 0.73 | 0.12 | 46.16 | 2.07 | 0.77 | 23.15 | 2.42 | 1.81 | 0.27 | 1.19 | −3.5 | 5.6 | 0.83 |
| PR-sedi-10-PL | 11.52 | 3.29 | 0.13 | 34.11 | 4.49 | 1.08 | 35.44 | 7.66 | 2.28 | 0.45 | 0.76 | 9.5 | 6.8 | 0.83 |
| PR-sedi-7-PL | 20.00 | 0.54 | 1.42 | 31.87 | 2.79 | 0.02 | 40.92 | 2.42 | 0.01 | 0.43 | 1.15 | 4.9 | 5.7 | 0.84 |
| PR-sedi-6-PL | 5.08 | 2.53 | 1.34 | 39.48 | 8.86 | 5.06 | 23.18 | 8.27 | 6.21 | 0.38 | 0.56 | 7.5 | 7.3 | 0.76 |
| PR-sedi-5-PL | 6.55 | 5.70 | 0.78 | 63.94 | 7.89 | 1.77 | 6.52 | 4.36 | 2.48 | 0.13 | 0.76 | −6.5 | 6.8 | 0.70 |
| PR-sedi-4-PL | 4.91 | n.d. | n.d. | 25.73 | 6.06 | 0.77 | 47.59 | 12.57 | 2.36 | 0.63 | 0.60 | 19.6 | 7.2 | 0.75 |
| PR-sedi-3-PL | 19.69 | 4.37 | 1.57 | 9.45 | 4.55 | 0.80 | 31.94 | 22.81 | 4.81 | 0.60 | 0.18 | 22.0 | 8.3 | 0.34 |
| PR-sedi-2-PL | 4.85 | 0.94 | 0.47 | 49.71 | 4.51 | 0.53 | 30.72 | 7.92 | 0.35 | 0.39 | 0.81 | 5.8 | 6.6 | 0.65 |
| PR-sedi-1-PL | 9.64 | 3.49 | 1.19 | 44.43 | 6.17 | 0.41 | 27.97 | 5.33 | 1.36 | 0.35 | 0.80 | 3.8 | 6.7 | 0.65 |
| PR-sedi-11-PL | 7.86 | 3.35 | 2.82 | 37.99 | 9.30 | 1.56 | 20.52 | 11.30 | 5.30 | 0.37 | 0.45 | 8.2 | 7.6 | 0.31 |
| PR-sedi-12-PL | 12.64 | 4.21 | 2.51 | 27.51 | 4.79 | 0.74 | 31.64 | 10.77 | 5.20 | 0.48 | 0.58 | 12.3 | 7.2 | 0.53 |
| PR-sedi-14-PL | 9.55 | 2.08 | n.d. | 48.60 | 6.51 | 1.86 | 22.56 | 6.31 | 2.52 | 0.31 | 0.74 | 2.6 | 6.8 | 0.35 |
CL, core lipids; PL, polar lipids.
§See Figure 1 for sample locations, which are the same as filter samples (solid black circles).
†Not detected.
‡CBT–pH and MBT–CBT temperature were calculated according to Weijers et al. (2007a). See text for formulas.