georefid:2006-012282SEDIS Publication Catalogueana.macario@awi.dehttp://sedis.iodp.org/pub-catalogue/informationpointOfContact2011-06-23T00:00:00Zhttp://sedis.iodp.org/pub-catalogue/index.php?id=10.1029/2002PA000817<gco:CharacterString>Paleocurrent reconstruction of the deep Pacific inflow during the middle Miocene; reflections of East Antarctic ice sheet growth</gco:CharacterString>2003-01-01publicationgeorefid:2006-012282doi:10.1029/2002PA000817Hall, Ian R.Cardiff University, Department of Earth Sciences, Cardiff, United KingdomauthorMcCave, I. NicholasUniversity of Cambridge, United KingdomauthorZahn, RainerUniversitat de Barcelona, SpainauthorCarter, LionelNational Institute of Water and Atmosphere, New ZealandauthorKnutz, Paul C.University of Copenhagen, DenmarkauthorWeedon, Graham P.University of Luton, United KingdomauthorAmerican Geophysical Union, Washington, DC, United StatespublisherdocumentDigitalPaleoceanography18 (2)Today the deep western boundary current (DWBC) east of New Zealand is the most important route for deep water entering the Pacific Ocean. Large-scale changes in deep water circulation patterns are thought to have been associated with the development of the East Antarctic Ice Sheet (EAIS) close to the main source of bottom water for the DWBC. Here we reconstruct the changing speed of the southwest Pacific DWBC during the middle Miocene, a period of significant global ice accumulation associated with EAIS growth. Sortable silt mean grain sizes from Ocean Drilling Program Site 1123 reveal variability in the speed of the Pacific inflow on the timescale of the 41 kyr orbital obliquity cycle. (modified journ. abstr.)completedStratigraphyAntarctic ice sheetAntarcticaCenozoicChatham Riseclimate changeEast Antarcticaglacial geologyice sheetsLeg 181lithofaciesmarine sedimentsmiddle MioceneMioceneNeogeneOcean Drilling ProgramODP Site 1123Pacific Oceanpaleo-oceanographypaleoclimatologypaleocurrentsPleistoceneQuaternaryreconstructionsedimentsSouth PacificTertiaryurn:org.iodp:exp:181urnlargerWorkCitationcampaignurn:org.iodp:exp:181:site:1123urnlargerWorkCitationstudyurn:org.iodp:exp:181urnlargerWorkCitationcampaignEnglishgeoscientificInformation-171.2956-171.2956-41.4710-41.4710application/pdfunknownSEDIS Publication Catalogueana.macario@awi.dehttp://sedis.iodp.org/pub-catalogue/informationpointOfContacthttp://www.agu.org/journals/pa/pa0302/2002PA000817/2002PA000817.pdfdownload