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Evaluating the role of climate cooling in iceberg production and the Heinrich events.

Author(s) : OERLEMANS J.

Type of article: Article

Summary

The cause of so-called Heinrich events (massive iceberg discharge into the North Atlantic Ocean) is uncertain, but one possibility is repeated advances of the Laurentide ice sheet during episodes of cooler climate. The article examines this idea, using a model of the Laurentide ice sheet driven by orbitally forced variations in insolation, with and without three additional 3,000-yr-long cooling episodes, imposed just before the occurrence of the three most recent Heinrich events. Based on the model, it seems unlikely that the Heinrich events generally reflect a direct response of the Laurentide ice sheet to climate cooling.

Details

  • Original title: Evaluating the role of climate cooling in iceberg production and the Heinrich events.
  • Record ID : 1994-2570
  • Languages: English
  • Subject: Environment, General information
  • Source: Nature - vol. 364 - n. 6440
  • Publication date: 1993/08/26
  • Document available for consultation in the library of the IIR headquarters only.

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