Theoretical studies on densification and relaxation of bubby glacier ice

This paper presents a brief review of the authors' earlier research on polar ice density modeling carried out and published (in the main) during 1983-1989 in Russia. A theoretical approach to macrocontinuum description of bubbly ice densification (expansion) on the basis of averaging asymptotic...

Full description

Bibliographic Details
Main Authors: Andrey N. Salamatin, Vladimir Ya. Lipenkov
Format: Article in Journal/Newspaper
Language:English
Japanese
Published: National Institute of Polar Research 1993
Subjects:
Online Access:https://doi.org/10.15094/00008822
https://doaj.org/article/8a673e24538e4f70a97c24436453752d
Description
Summary:This paper presents a brief review of the authors' earlier research on polar ice density modeling carried out and published (in the main) during 1983-1989 in Russia. A theoretical approach to macrocontinuum description of bubbly ice densification (expansion) on the basis of averaging asymptotic methods is considered. Mathematical models for the simulation of polar ice sheet density variations versus depth and for the prediction of deep ice core volume relaxation after its recovery are developed and tested on real situations at Vostok Station, East Antarctica. A simplified model of the equilibrium transformation of bubbles entrapped in ice into air hydrate crystals is proposed.