Critical porosity of gas enclosure in polar firn independent of climate

In order to interpret the paleoclimatic record stored in the air enclosed in polar ice cores, it is crucial to understand the fundamental lock-in process. Within the porous firn, bubbles are sealed continuously until the respective horizontal layer reaches a critical porosity. Present-day firn ai...

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Bibliographic Details
Main Authors: C. F. Schaller, J. Freitag, O. Eisen
Format: Article
Language:English
Published: Copernicus Publications 2017-11-01
Series:Climate of the Past
Online Access:https://www.clim-past.net/13/1685/2017/cp-13-1685-2017.pdf