Enclosure mechanisms of air in natural ice

Stauffer, Bernhard (1981). Enclosure mechanisms of air in natural ice. Zeitschrift für Gletscherkunde und Glazialgeologie ZGG, 17(1), pp. 17-56. Wagner

[img] Text
stauffer81zgg_a.pdf - Published Version
Restricted to registered users only
Available under License Publisher holds Copyright.

Download (1MB) | Request a copy

Natural ice is formed by freezing of water or by sintering of dry or wet snow. Each of these processes causes atmospheric air to be enclosed in ice as bubbles. The air amount and composition as weIl as the bubble sizes and density depend not only on the kind of process but also on several environmental conditions. The ice in the deepest layers of the Greenland and the Antarctic ice sheet was formed more than 100 000 years ago. In the bubbles of this ice, sampIes of atmospheric air from that time are preserved.
The enclosure of air is discussed for each of the three processes. Of special interest are the parameters which control the amount and composition of the enclosed air. If the ice is formed by sintering of very cold dry snow, the air composition in the bubbles corresponds with good accuracy to the composition of atmospheric air.

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Physics Institute
08 Faculty of Science > Physics Institute > Climate and Environmental Physics

UniBE Contributor:

Stauffer, Bernhard

Subjects:

500 Science > 530 Physics

ISSN:

0044-2836

Publisher:

Wagner

Language:

German

Submitter:

BORIS Import 2

Date Deposited:

06 Oct 2021 11:02

Last Modified:

06 Oct 2021 11:38

BORIS DOI:

10.48350/158672

URI:

https://boris.unibe.ch/id/eprint/158672

Actions (login required)

Edit item Edit item
Provide Feedback