Table 3. Overview of sediment characteristics for the different Larsen B_Seep replicates and averaged for the seep station.
Larsen B_Seep | Sediment layer | chl a (µg/g) | phaeo (µg/g) | CPE (µg/g) | Volume weighted mean (µm) | clay% | silt% | very fine sand% | fine sand% | medium sand% |
709/5 | all layers | 0.378 | 0.166 | 0.544 | 11.03 | 31.15 | 68.19 | 0.50 | 0.12 | 0.04 |
upper cm | 0.934 | 0.570 | 1.504 | 13.90 | 26.67 | 71.63 | 1.09 | 0.40 | 0.22 | |
709/8 | all layers | 0.180 | 0.063 | 0.243 | 9.62 | 36.44 | 63.16 | 0.40 | 0.00 | 0.00 |
upper cm | 0.452 | 0.179 | 0.631 | 11.03 | 32.40 | 66.83 | 0.76 | 0.01 | 0.00 | |
706/5 | all layers | − | − | − | 11.03 | 34.01 | 65.04 | 0.79 | 0.10 | 0.06 |
upper cm | − | − | − | 17.02 | 25.43 | 71.45 | 2.38 | 0.45 | 0.29 | |
706/6 | all layers | 0.149 | 0.098 | 0.247 | 9.75 | 35.71 | 63.80 | 0.38 | 0.08 | 0.03 |
upper cm | 0.400 | 0.360 | 0.760 | 12.79 | 30.08 | 68.53 | 0.99 | 0.27 | 0.13 | |
Average | all layers | 0.24±0.12 | 0.11±0.05 | 0.35±0.17 | 10.36±0.78 | 34.33 | 65.05 | 0.52 | 0.08 | 0.03 |
upper cm | 0.60±0.29 | 0.37±0.20 | 0.97±0.47 | 13.69±2.52 | 28.65 | 69.61 | 1.31 | 0.28 | 0.16 |
Note that data on pigment concentrations are missing for replicate 706/5.