georefid:2008-114479SEDIS Publication Catalogueana.macario@awi.dehttp://sedis.iodp.org/pub-catalogue/informationpointOfContact2011-06-23T00:00:00Zhttp://sedis.iodp.org/pub-catalogue/index.php?id=2008-114479<gco:CharacterString>Onto the ice ages; proxy evidence for the onset of Northern Hemisphere glaciation</gco:CharacterString>2007-01-01publicationgeorefid:2008-114479Ravelo, A. C.University of California at Santa Cruz, Ocean Sciences Department, Santa Cruz, CA, United StatesauthorBillups, K.University of Leeds, United KingdomauthorDekens, P. S.PetroStrat, United KingdomauthorHerbert, T. D.University of Bristol, United KingdomauthorLawrence, K. T.University of Delaware, United StatesauthorGeological Society of London, London, United KingdompublisherdocumentHardcopyIn: Williams, M. (editor), Haywood, A. M. (editor), Gregory, F. J. (editor), Schmidt, D. N. (editor), Deep-time perspectives on climate change; marrying the signal from computer models and biological proxies563-573Global climate change over the last five million years includes the early Pliocene warm period (c. 5-3 Ma) and a transition to the cool ice age climate of the latest c. 2 Ma. The growth of large ice sheets was accompanied by changes in deep and intermediate water mass characteristics, the end of El Nino-like mean conditions, and the development of cool tropical and subtropical upwelling regions. By considering how and when regional changes occurred, several possible causes of the warm to cold Pliocene climate transition are explored. There is intriguing evidence that, in addition to ice-albedo feedbacks that amplified cooling in high-latitude regions, the shoaling thermocline was a critical factor in the evolution of the Northern Hemisphere ice ages.completedStratigraphyAtlantic OceanCenozoicclimate changeDeep Sea Drilling Projectdeep-sea environmentDSDP Site 502DSDP Site 552DSDP Site 586DSDP Site 606DSDP Site 607glaciationIPODLeg 114Leg 130Leg 138Leg 145Leg 154Leg 165Leg 167Leg 175Leg 202Leg 68Leg 81Leg 89Leg 94marine environmentNeogeneNorthern HemisphereOcean Drilling ProgramODP Site 1014ODP Site 1018ODP Site 1084ODP Site 1085ODP Site 1237ODP Site 704ODP Site 806ODP Site 846ODP Site 847ODP Site 849ODP Site 851ODP Site 882ODP Site 925ODP Site 929ODP Site 999Pacific Oceanpaleo-oceanographypaleoclimatologypaleoenvironmentpaleotemperaturePleistocenePlioceneQuaternarysea-surface temperatureTertiarythermoclineurn:org.iodp:exp:114urnlargerWorkCitationcampaignurn:org.iodp:exp:130urnlargerWorkCitationcampaignurn:org.iodp:exp:138urnlargerWorkCitationcampaignurn:org.iodp:exp:145urnlargerWorkCitationcampaignurn:org.iodp:exp:154urnlargerWorkCitationcampaignurn:org.iodp:exp:165urnlargerWorkCitationcampaignurn:org.iodp:exp:167urnlargerWorkCitationcampaignurn:org.iodp:exp:175urnlargerWorkCitationcampaignurn:org.iodp:exp:202urnlargerWorkCitationcampaignurn:org.iodp:exp:68urnlargerWorkCitationcampaignurn:org.iodp:exp:81urnlargerWorkCitationcampaignurn:org.iodp:exp:89urnlargerWorkCitationcampaignurn:org.iodp:exp:94urnlargerWorkCitationcampaignurn:org.iodp:exp:68:site:502urnlargerWorkCitationstudyurn:org.iodp:exp:68urnlargerWorkCitationcampaignurn:org.iodp:exp:81:site:552urnlargerWorkCitationstudyurn:org.iodp:exp:81urnlargerWorkCitationcampaignurn:org.iodp:exp:89:site:586urnlargerWorkCitationstudyurn:org.iodp:exp:89urnlargerWorkCitationcampaignurn:org.iodp:exp:94:site:606urnlargerWorkCitationstudyurn:org.iodp:exp:94urnlargerWorkCitationcampaignurn:org.iodp:exp:94:site:607urnlargerWorkCitationstudyurn:org.iodp:exp:94urnlargerWorkCitationcampaignurn:org.iodp:exp:167:site:1014urnlargerWorkCitationstudyurn:org.iodp:exp:167urnlargerWorkCitationcampaignurn:org.iodp:exp:167:site:1018urnlargerWorkCitationstudyurn:org.iodp:exp:167urnlargerWorkCitationcampaignurn:org.iodp:exp:175:site:1084urnlargerWorkCitationstudyurn:org.iodp:exp:175urnlargerWorkCitationcampaignurn:org.iodp:exp:175:site:1085urnlargerWorkCitationstudyurn:org.iodp:exp:175urnlargerWorkCitationcampaignurn:org.iodp:exp:202:site:1237urnlargerWorkCitationstudyurn:org.iodp:exp:202urnlargerWorkCitationcampaignurn:org.iodp:exp:114:site:704urnlargerWorkCitationstudyurn:org.iodp:exp:114urnlargerWorkCitationcampaignurn:org.iodp:exp:130:site:806urnlargerWorkCitationstudyurn:org.iodp:exp:130urnlargerWorkCitationcampaignurn:org.iodp:exp:138:site:846urnlargerWorkCitationstudyurn:org.iodp:exp:138urnlargerWorkCitationcampaignurn:org.iodp:exp:138:site:847urnlargerWorkCitationstudyurn:org.iodp:exp:138urnlargerWorkCitationcampaignurn:org.iodp:exp:138:site:849urnlargerWorkCitationstudyurn:org.iodp:exp:138urnlargerWorkCitationcampaignurn:org.iodp:exp:138:site:851urnlargerWorkCitationstudyurn:org.iodp:exp:138urnlargerWorkCitationcampaignurn:org.iodp:exp:145:site:882urnlargerWorkCitationstudyurn:org.iodp:exp:145urnlargerWorkCitationcampaignurn:org.iodp:exp:154:site:925urnlargerWorkCitationstudyurn:org.iodp:exp:154urnlargerWorkCitationcampaignurn:org.iodp:exp:154:site:929urnlargerWorkCitationstudyurn:org.iodp:exp:154urnlargerWorkCitationcampaignurn:org.iodp:exp:165:site:999urnlargerWorkCitationstudyurn:org.iodp:exp:165urnlargerWorkCitationcampaignEnglishgeoscientificInformation-76.230013.5924-29.222856.0234