A Paleoclimatic Enigma?

A Paleoclimatic Enigma?

Major glaciations began in the Northern Hemisphere around 2.75 million years ago, after a long prior interval of climatic cooling. Numerous observations reveal how climate cooled before glacial onset, but our understanding of the driving forces behind the cooling remains incomplete.

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Bibliographische Detailangaben
Veröffentlicht in:Science (American Association for the Advancement of Science) 2010-05, Vol.328 (5980), p.838-839
1. Verfasser: Ruddiman, William F.
Format: Artikel
Sprache:eng
Schlagworte:
Carbon dioxide
Climate change
Climate models
Cooling
Glacial landforms
Glaciers
Ice sheets
Paleoclimatology
PERSPECTIVES
Proxy reporting
Proxy statements
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Beschreibung
Zusammenfassung:Major glaciations began in the Northern Hemisphere around 2.75 million years ago, after a long prior interval of climatic cooling. Numerous observations reveal how climate cooled before glacial onset, but our understanding of the driving forces behind the cooling remains incomplete.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.1188292