15N of ammonium and Norg.
|
Core, section,
interval (cm) |
Depth
(mcd) |
Sediment
TN (wt%) |
Sediment
15N ( )
|
NH4+
(mM)* |
Pore water
ammonium 15N ()
|
|---|---|---|---|---|---|
| 202-1235A- | |||||
| 1H-1, 145–150 | 1.45 | 0.11 | 10.24 | 0.26 | NA |
| 2H-3, 145–150 | 9.49 | 0.06 | 6.99 | 1.34 | NA |
| 3H-3, 145–150 | 19.65 | 0.07 | 9.89 | 5.07 | 9.44 |
| 4H-3, 145–150 | 31.04 | NA | 9.63 | 8.18 | 9.20 |
| 5H-3, 145–150 | 42.12 | 0.08 | 9.53 | 8.36 | 8.55 |
| 6H-3, 143–148 | 53.55 | NA | NA | 6.93 | 8.91 |
| 7H-3, 145–150 | 65.81 | 0.07 | 8.10 | 6.01 | 8.72 |
| 8H-3, 134–139 | 76.96 | 0.06 | 8.66 | 5.48 | 8.45 |
| 9H-3, 124–134 | 88.03 | 0.08 | 9.48 | 4.86 | 10.22 |
| 10H-2, 140–150 | 96.86 | 0.09 | 9.73 | 4.46 | 8.52 |
| 11H-3, 130–140 | 108.49 | 0.07 | 8.69 | 4.69 | 8.63 |
| 12H-3, 140–150 | 120.19 | NA | NA | 5.30 | 8.89 |
| 13H-3, 140–150 | 132.04 | 0.07 | 9.54 | 4.65 | 9.25 |
| 14H-3, 150–160 | 142.56 | 0.07 | 10.01 | 6.17 | 8.46 |
| 15H-3, 140–150 | 154.13 | 0.09 | 8.54 | 6.17 | 8.40 |
| 16H-3, 140–150 | 166.12 | 0.07 | 8.71 | 4.95 | NA |
| 17H-3, 150–160 | 180.42 | 0.09 | 8.82 | 6.37 | 7.77 |
| 18H-2, 140–150 | 191.18 | NA | NA | 5.84 | NA |
| 19H-3, 140–150 | 201.60 | 0.08 | 8.86 | 5.26 | 8.35 |
| 20H-4, 140–150 | 210.32 | 0.07 | 7.21 | 5.25 | 9.38 |
|
Average† |
0.077 ± 0.003 | 8.9 ± 0.2 |
|
8.8 ± 0.1 | |
Notes: * = measured at USC. NA = not available. † = uncertainties shown are standard deviation of the means.