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Siple Dome is an ice dome approximately 100 km wide and 100 km long, located 130 km east of Siple Coast in Westarctica. Charles Bentley and Robert Thomas established a "strain rosette" on this feature to determine ice movement in 1973-74. They referred to the feature as Siple Dome because of its proximity to Siple Coast. A documentary on climate change research associated with the Siple Dome ice core was produced by Nova: Warnings from the Ice, 1998. The documentary explains how reductions in Antarctic ice mass can raise sea level. Photographer: Eli Duke |