Journal article Open Access

Glacial Cycles and Astronomical Forcing

Muller, R. A.


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{
  "DOI": "10.1126/science.277.5323.215", 
  "author": [
    {
      "family": "Muller, R. A."
    }
  ], 
  "issued": {
    "date-parts": [
      [
        1997, 
        7, 
        11
      ]
    ]
  }, 
  "abstract": "Narrow spectral features in ocean sediment records offer strong evidence that the cycles of glaciation were driven by astronomical forces. Two million years ago, the cycles match the 41,000-year period of Earth's obliquity. This supports the Croll/Milankovitch theory, which attributes the cycles to variations in insolation. But for the past million years, the spectrum is dominated by a single 100,000-year feature and is a poor match to the predictions of insolation models. The spectrum can be accounted for by a theory that derives the cycles of glaciation from variations in the inclination of Earth's orbital plane.", 
  "title": "Glacial Cycles and Astronomical Forcing", 
  "type": "article-journal", 
  "id": "1231114"
}
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