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Formation of “Blue” Glacier Ice by Horizontal Compressive Forces

1961; Cambridge University Press; Volume: 3; Issue: 30 Linguagem: Inglês

10.1017/s0022143000017445

1727-5652

A. P. Crary, R. Wilson Charles,

Arctic and Antarctic ice dynamics

Abstract Data are supplied to show that the “blue” surface ice zone encountered in the Skelton Glacier, Antarctica, results from horizontal compressive forces. Examples of the densification of surface snows of the Ross Ice Shelf by this means are also given. Such density changes should be expected in any area where either of the principal horizontal strain-rates is negative.