Table 1 Biogeochemical data from the water columns below the Ross Ice Shelf at the HWD-2 borehole.
From: Phylogenetically and functionally diverse microorganisms reside under the Ross Ice Shelf
Depth (m) | Temp (°C) | Practical salinity (psu) | NH3 (µM) | NOx (µM) | PO43– (µM) | SiO2 (µM) | Cell abundance (×105 cells ml−1) | LNA (%) | HNA (%) | PHP (µmol C m−3 d−1) | Turnover time (d) |
|---|---|---|---|---|---|---|---|---|---|---|---|
30 | −2.13 | 34.57 | 0.44 (0.02) | 7.35 (0.23) | 0.720 (0.003) | 165.0 (2.1) | 0.9 (0.1) | 82.8 (0.2) | 18.0 (0.4) | 0.30 (0.02) | 461 |
180 | −1.96 | 34.69 | 0.05 (0.02) | 7.32 (0.04) | 0.720 (0.004) | 166.0 (0.7) | 1.20 (0.07) | 85.5 (0.3) | 15.1 (0.3) | 0.60 (0.03) | 339 |
330 | −1.91 | 34.76 | 0.04 (0.01) | 7.37 (0.05) | 0.710 (0.001) | 165.0 (0.3) | 0.80 (0.07) | 77.4 (0.9) | 23.4 (0.7) | 0.4 (0.1) | 386 |
