Table 2 Summary of microcosm experiments using dried and crushed Lake Whillans sediment.

From: Subglacial erosion has the potential to sustain microbial processes in Subglacial Lake Whillans, Antarctica

Sample

Depth (cm)

High-energy crushing +water

High-energy crushing – dry controls

Low energy crushing +water

Blanks (no sediment + water)

SLW top

0–4

N/A

N/A

SLW middlea

14–16 and 28–30

SLW bottom

36–38

N/A

  1. All experiments were carried out in triplicate under oxygen-limited conditions (<100 ppm O2).
  2. aDenotes a sample combined from two different core depths.