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SUMMARY:Archaeological insights into the 8.2 ka event - Lucy Farr\, Univer
 sity of Cambridge
DTSTART:20161110T173000Z
DTEND:20161110T183000Z
UID:TALK67661@talks.cam.ac.uk
CONTACT:Dr Rachael Rhodes
DESCRIPTION:Greenland ice cores show a sharp decrease in oxygen isotope ra
 tios and ice accumulation rates at 8.2 ka BP which persisted for c. 150 ye
 ars (Dansgard et al.\, 1993\; Grootes et al.\, 1993\; Alley et al.\, 1997)
 .  Marine\, ice and terrestrial proxy records from the Atlantic high and m
 id-latitudes\, appear to consistently record a sharp change to colder\, dr
 ier and possibly windier climatic conditions at this time (Pross et al.\, 
 2009). \n\nThe 8.2 ka event is a significant marker in palaeoclimatic stud
 ies\, being identifiable in so many northern hemispheric records and recen
 tly posited as an official boundary marker dividing the Early and Mid-Holo
 cene periods (Walker et al. 2012). Officially dividing the Holocene at the
  8.2 ka event may be useful for archaeologists. Many archaeological record
 s in Europe and south-west Asia show very clear technological\, cultural a
 nd subsistence changes dating to the Early to Mid-Holocene transition\, ap
 proximately 8000 years ago (e.g. Horn et al.\, 2015) but resolution issues
  frequently prohibit the identification of human responses in direct relat
 ion to the 8.2ka event. Recent advances in radiocarbon dating are now enab
 ling archaeologists to better evaluate the role of the 8.2 ka event in cul
 tural evolution occurring at this time (e.g. Flohr et al.\, 2016).\n
LOCATION:Latimer Room (Old Court)\, Clare College\, Trinity Lane
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