Figure 5. Radar sounding data show evidence of an isolated area of grounding between two floating portions of the Kohler Glacier grounding zone.

(a) Across a region of nearly constant ice thickness (dashed magenta lines), (b) the approximately 20 dB drop in relative bed echo power is consistent with a basal interface transition from ocean water to bedrock⁴⁴,⁴⁵ indicating that the glacier is grounded in the part of the profile delimited by the magenta rectangle. (c) A 2009 MCoRDS radargram of the Kohler Glacier grounding zone.