{"refrec":{"BRefID":224107,"RR":"<b>Verleye, T.J.</b> (2011). The late Quaternary palaeoenvironmental changes along the western South- American continental slope: a reconstruction based on dinoflagellate cysts and TEX<sub>86</sub>, <b><i>in</i></b>: Steemans, P. <i>et al.</i> (Ed.) <i>Miscellanea palaeontologica 2011: program and abstracts.</i> pp. 22","BEntID":215830,"PublicFlag":1,"CheckedFlag":0,"wosflag":null,"vabbflag":null,"RefStringPartII":", <b><i>in</i></b>: Steemans, P. <i>et al.</i> <i>Miscellanea palaeontologica 2011: program and abstracts.</i> pp. 22","DocTypID":17,"DocType":"Book chapters","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Verleye, T.J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Verleye, T.J.","Englishabstract":"There is still controversy about the impact and the extent of major high-latitude climate reversals such as the northern hemisphere Younger Dryas and the southern hemisphere Antarctic Cold Reversal. Particularly, the extent to which the southern hemisphere high-latitude ocean atmosphere dynamics determine the southern South American climate, caused by shifts of the Antarctic Circumpolar Current (ACC) and southern westerly wind (SWW) belt, is still a matter of debate. A late Quaternary palaeoenvironmental reconstruction using dinoflagellate cysts and organic geochemical proxies was carried out at ODP Site 1233 (41°0’S, 74°27’W) in the Southeast Pacific, and allowed a better insight into the late Quaternary climate dynamics, i.e., temperature variations, latitudinal shifts of the ACC/SWW-coupled system, changes in the supply of nutrients, etc. Additionally, studies were carried out to improve and to refine environmental proxies such as the process length variation of <i>Operculodinium centrocarpum</i> as a density proxy, the knowledge of ecological preferences of certain dinoflagellate cyst species and the TEX86 index as a temperature proxy. These proxies subsequently allowed a more detailed reconstruction of the palaeoenvironment at Site 1233 during the last 25 kyr.Our results demonstrate that climate variability in the Southeast Pacific mid-latitudes during the last 25 kyr is closely coupled to global atmospheric and oceanographic reorganisations. Both the northern and southern hemisphere high-latitudes play a crucial role in regulating millennial-scale climate variability, while the effects of variable tropical circulations seem to superimpose on the large scale fluctuations controlled by (sub)polar dynamics.","AbstractOtherLang":null,"BibLvlCode":"AM","StandardTitle":"The late Quaternary palaeoenvironmental changes along the western South- American continental slope: a reconstruction based on dinoflagellate cysts and TEX<sub>86</sub>","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2011,"MonPub":null,"DateUpdate":"2013-03-27","DateCreate":"2013-03-27","SecASFANote":null,"ConfID":null,"PeerRev":null,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":224107,"PubliDate":2011,"Pagination":"22","XtraPublOfAnaID":null,"ISBN":null,"Volume":null,"Issue":null,"BRefMon":224106,"BRefMonRR":"<b>Steemans, P.; Gerrienne, P. 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