Comment on “Friction at the bed does not control fast glacier flow” | Zendy

Brent Minchew | Zendy; Colin Meyer | Zendy; Samuel S. Pegler | Zendy; Bradley P. Lipovsky | Zendy; A. W. Rempel | Zendy; G. Hilmar Gudmundsson | Zendy; Neal R. Iverson | Zendy

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Comment on “Friction at the bed does not control fast glacier flow”

Author(s) -

Brent Minchew,

Colin Meyer,

Samuel S. Pegler,

Bradley P. Lipovsky,

A. W. Rempel,

G. Hilmar Gudmundsson,

Neal R. Iverson

Publication year - 2019

Publication title -

science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 12.556

H-Index - 1186

eISSN - 1095-9203

pISSN - 0036-8075

DOI - 10.1126/science.aau6055

Subject(s) - drag , glacier , geology , flow (mathematics) , mechanics , stress (linguistics) , physics , geomorphology , linguistics , philosophy

Stearns and van der Veen (Reports, 20 July 2018, p. 273) conclude that fast glacier sliding is independent of basal drag (friction), even where drag balances most of the driving stress. This conclusion raises fundamental physical issues, the most striking of which is that sliding velocity would be independent of stresses imparted through the ice column, including gravitational driving stress.

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