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

S. Anandakrishnan; D. E. Voigt; R. B. Alley; M. A. King

doi:10.1029/2002GL016329

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

S. Anandakrishnan, D. E. Voigt, R. B. Alley, M. A. King

Geosciences

Research output: Contribution to journal › Article › peer-review

118 Scopus citations

Abstract

The flow velocity of ice stream D, West Antarctica has been measured to vary by a factor of three over the course of a day. These fluctuations are measured at the grounding line as well as upstream of the grounding line in the ice plain of ice stream D. The diurnal velocity fluctations appear to be driven by the tide beneath the Ross Ice Shelf. These results suggest that there is significant, and heretofore poorly understood, influence of the ocean tide and of the ice shelf on the dynamics of ice stream flow.

Original language	English (US)
Pages (from-to)	13-1 - 13-4
Journal	Geophysical Research Letters
Volume	30
Issue number	7
DOIs	https://doi.org/10.1029/2002GL016329
State	Published - Apr 1 2003

All Science Journal Classification (ASJC) codes

Geophysics
General Earth and Planetary Sciences

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10.1029/2002GL016329

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abstract = "The flow velocity of ice stream D, West Antarctica has been measured to vary by a factor of three over the course of a day. These fluctuations are measured at the grounding line as well as upstream of the grounding line in the ice plain of ice stream D. The diurnal velocity fluctations appear to be driven by the tide beneath the Ross Ice Shelf. These results suggest that there is significant, and heretofore poorly understood, influence of the ocean tide and of the ice shelf on the dynamics of ice stream flow.",

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AU - Anandakrishnan, S.

AU - Voigt, D. E.

AU - Alley, R. B.

AU - King, M. A.

PY - 2003/4/1

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N2 - The flow velocity of ice stream D, West Antarctica has been measured to vary by a factor of three over the course of a day. These fluctuations are measured at the grounding line as well as upstream of the grounding line in the ice plain of ice stream D. The diurnal velocity fluctations appear to be driven by the tide beneath the Ross Ice Shelf. These results suggest that there is significant, and heretofore poorly understood, influence of the ocean tide and of the ice shelf on the dynamics of ice stream flow.

AB - The flow velocity of ice stream D, West Antarctica has been measured to vary by a factor of three over the course of a day. These fluctuations are measured at the grounding line as well as upstream of the grounding line in the ice plain of ice stream D. The diurnal velocity fluctations appear to be driven by the tide beneath the Ross Ice Shelf. These results suggest that there is significant, and heretofore poorly understood, influence of the ocean tide and of the ice shelf on the dynamics of ice stream flow.

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M3 - Article

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JO - Geophysical Research Letters

JF - Geophysical Research Letters

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ER -

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

Abstract

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