Publication:
Hindcasting the continuum of Dansgaard-Oeschger variability: mechanisms, patterns and timing
Hindcasting the continuum of Dansgaard-Oeschger variability: mechanisms, patterns and timing
dc.contributor.author | Menviel, Laurie | en_US |
dc.contributor.author | Timmermann, A | en_US |
dc.contributor.author | Friedrich, T | en_US |
dc.contributor.author | England, Matthew | en_US |
dc.date.accessioned | 2021-11-25T12:29:41Z | |
dc.date.available | 2021-11-25T12:29:41Z | |
dc.date.issued | 2014 | en_US |
dc.description.abstract | Millennial-scale variability associated with Dansgaard-Oeschger events is arguably one of the most puzzling climate phenomena ever discovered in paleoclimate archives. Here, we set out to elucidate the underlying dynamics by conducting a transient global hindcast simulation with a 3-D intermediate complexity earth system model covering the period 50 to 30 ka BP. The model is forced by time-varying external boundary conditions (greenhouse gases, orbital forcing, and ice-sheet orography and albedo) and anomalous North Atlantic freshwater fluxes, which mimic the effects of changing northern hemispheric ice volume on millennial timescales. Together these forcings generate a realistic global climate trajectory, as demonstrated by an extensive model/paleo data comparison. Our results are consistent with the idea that variations in ice-sheet calving and subsequent changes of the Atlantic Meridional Overturning Circulation were the main drivers for the continuum of glacial millennial-scale variability seen in paleorecords across the globe. | en_US |
dc.identifier.issn | 1814-9324 | en_US |
dc.identifier.uri | http://hdl.handle.net/1959.4/53674 | |
dc.language | English | |
dc.language.iso | EN | en_US |
dc.rights | CC BY-NC-ND 3.0 | en_US |
dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/3.0/au/ | en_US |
dc.source | Legacy MARC | en_US |
dc.title | Hindcasting the continuum of Dansgaard-Oeschger variability: mechanisms, patterns and timing | en_US |
dc.type | Journal Article | en |
dcterms.accessRights | metadata only access | |
dspace.entity.type | Publication | en_US |
unsw.accessRights.uri | http://purl.org/coar/access_right/c_14cb | |
unsw.identifier.doiPublisher | http://dx.doi.org/10.5194/cp-10-63-2014 | en_US |
unsw.isDatasetRelatedToPublication | North Atlantic conditions during MIS2 | |
unsw.relation.faculty | Science | |
unsw.relation.ispartofissue | 1 | en_US |
unsw.relation.ispartofjournal | Climate of the Past | en_US |
unsw.relation.ispartofpagefrompageto | 63-77 | en_US |
unsw.relation.ispartofvolume | 10 | en_US |
unsw.relation.originalPublicationAffiliation | Menviel, Laurie, Faculty of Science, UNSW | en_US |
unsw.relation.originalPublicationAffiliation | Timmermann, A | en_US |
unsw.relation.originalPublicationAffiliation | Friedrich, T | en_US |
unsw.relation.originalPublicationAffiliation | England, Matthew, Climate Change Research Centre (CCRC), Faculty of Science, UNSW | en_US |
unsw.relation.school | School of Biological, Earth & Environmental Sciences | * |