ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Since the beginning of the Tertiary, 65 million years ago, the Earth has experienced a long-term cooling trend. The reasons invoked to explain the trend are complex, involving changes in major ocean currents and continental topography, the amount of solar energy reflected by the Earth, ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/428031a
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