Ice stream D flow speed is strongly modulated by the tide beneath the Ross Ice Shelf

By S. Anandakrishnan, D. Voigt, R. Alley, Matt A. King. 2003

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Marine ice-sheet dynamics. Part 1. The case of rapid sliding (2007, background): “…on the flow of ice in the sheet–shelf transition zone is observed to cause stick–slip behaviour at the base of the ice, but the physical mechanisms involved and their effect on the flow of the ice sheet over long time scales are poorly understood (e.g. Anandakrishnan et al. 2003; Weertman 2005).”
Basal mechanics of ice streams: Insights from the stick‐slip motion of Whillans Ice Stream, West Antarctica (2009, methodology): “Recent observations have revealed that the ocean tides introduce large daily to yearly fluctuations in ice stream velocities [Anandakrishnan et al., 2003; Bindschadler et al., 2003b; Gudmundsson, 2007;Murray et al., 2007], providing a potential in situ mechanism for deciphering the appropriate…”
Basal shear stress of the Ross ice streams from control method inversions (2004, background): “Thus a measured time series of velocity change, such as those recently acquired on Ice Streams B and D [Anandakrishnan et al., 2003; Bindschadler et al., 2003], may be what is ultimately needed to determine whether the till beneath the Ross ice streams acts viscously or plastically at all spatial…”