0–8 msurface firn · present
S-01
Surface firn.
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—
locality—
first layer—
cores09
8–46 mannual layers · banded
S-02
Annual layers.
recentaccumulation · forecast melt
S-03
Recent accumulation.
coreice readings · assay
S-04
Ice readings.
basebedrock · contact
S-05
Base & bedrock.