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Stochastic resonance in the north Atlantic: Further insights

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

The large, abrupt, widespread, millennial changes recorded in many paleoclimatic archives pose a major challenge to our understanding of the climate system. Both periodic and stochastic models have been proposed to explain these events. We have argued that Greenland ice-core data are more consistent with a stochastic-resonance hypothesis. In this model, a combination of a weak periodicity plus "noise" perhaps caused by ice-sheet-related changes in freshwater flux to the north Atlantic produced switches between warm and cold climate modes. Here, we show that the stochastic-resonance hypothesis is consistent with a wider range of previously published data than analyzed before including a north Atlantic marine record and the Byrd Station, Antarctica iceisotopic record; however, a record of hematite-stained quartz grains in north Atlantic sediment appears more periodic than stochastically resonant.

Original languageEnglish (US)
Title of host publicationThe Oceans and Rapid Climate Change
Subtitle of host publicationPast, Present, and Future, 2001
EditorsDan Seidov, Bernd J. Haupt, Mark Maslin
PublisherBlackwell Publishing Ltd
Pages57-68
Number of pages12
ISBN (Electronic)9781118668603
ISBN (Print)9780875909851
DOIs
StatePublished - 2001

Publication series

NameGeophysical Monograph Series
Volume126
ISSN (Print)0065-8448
ISSN (Electronic)2328-8779

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 14 - Life Below Water
    SDG 14 Life Below Water

All Science Journal Classification (ASJC) codes

  • Geophysics

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