Siple Dome

General Information

Siple Dome is located in West Antarctica on the Siple Coast between the Kamb and Bindschadler Ice Streams (former Ice Streams C and D) at approximately 81.65° S, 148.81° W.

1994/95 Site Reconnaissance

During the 1994/95 field season, a 150 m core was drilled ~3 km north-northeast of the summit of Siple Dome (ICF Core ID: SDM 94). Portions of the core are in the NSF-ICF archive.

1996/97 to 1998/99 Deep Core (SDMA)

The deep Siple Dome ice core (ICF Core ID: SDMA) was drilled to bedrock (1004 m depth) during the 1996-1998 austral summers. SDMA depths attained were 154 m in 1996/97, 351 m in 1997/98, and the bed at 1004 m in 1998/99 (Bentley and Koci, 2007). There was no attempt to core the bed. The deep SDMA and shallower (100 m) SDMB ice cores were drilled 10 m apart from one another (Dunbar and others, 2003). SDMA has been sampled fairly intensely and core quality is always an issue in the deeper areas.

Shallow Cores

A series of shallow cores were collected in a transect across Siple Dome during the 1996/97 field season to explore the spatial variability of various climatic and meteorological signals. Cores B, C, D and I are from the summit of Siple Dome, cores E and G are from the north flank of the dome facing the Pacific Ocean, and cores F and H are from the south flank of the dome facing inland (Jones and others, 2014).

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