ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] When the snow deposited at the surface of ice sheets transforms into ice, atmospheric air is trapped in the form of bubbles. The analysis of this fossil air extracted from ice cores has already provided spectacular information, especially on the CO2 composition of the atmosphere during the past 40 ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/318349a0
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