Siple Dome

Charles Bentley and Robert Thomas established a "strain rosette" on this feature to determine ice movement in 1973–74.

The Siple Dome ice core project (79.468° S 112.086° W) was conducted by the United States National Science Foundation.

[1] It is best known for the poorly-explained steps in water isotopes during the deglacial, which are unique to this core and may indicate a rapid decrease in the surface elevation of the adjoining ice streams during the deglacial[2] and a record of atmospheric carbon dioxide.

In the 1990s a team from the University of Washington and St Olaf College surveyed the ice, measuring thickness and determining internal structure, [4] finding evidence for the operation of the Raymond Effect.

Without marine moderation and a few hundred meters above sea level, it has one of the harshest winters on the continent outside the Antarctic plateaus.

SDFC's outhouse .