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Iron Age Cold Epoch 
Summary
The Iron Age Cold Epoch (also referred to as Iron Age climate pessimum or Iron Age neoglaciation) was a period of unusually cold climate in the North Atlantic region, lasting from about 900 BC to about 300 BC, with an especially cold wave in 450 BC during the expansion of ancient Greece. It was followed by the Roman Warm Period (250 BC – 400 AD). Gill Plunkett and Graeme T. Swindles of Queen's University Belfast used volcanic ash layers and radiocarbon dating to constrain the start of Iron Age climate deterioration in Ireland to 750 BC.
References edit
- Gribbin, John; Lamb, H. H. (1978). "Climatic change in historical times". In Gribbin, J. (ed.). Climatic change. Cambridge: Cambridge University Press. pp. 68–82. ISBN 0-521-21594-3.
- Plunkett, Gill; Swindles, Graeme T. (2008). "Determining the Sun's influence on Lateglacial and Holocene climates: a focus on climate response to centennial-scale solar forcing at 2800 cal. BP". Quaternary Science Reviews. 27 (1–2): 175–184. Bibcode:2008QSRv...27..175P. doi:10.1016/j.quascirev.2007.01.015.
- Swindles, Graeme T.; Plunkett, Gill; Roe, Helen M. (2007). "A delayed climatic response to solar forcing at 2800 cal. BP: multiproxy evidence from three Irish peatlands". The Holocene. 17 (2): 177–182. Bibcode:2007Holoc..17..177S. doi:10.1177/0959683607075830. S2CID 128473417.
- Van Geel, B.; Buurman, J.; Waterbolk, H. T. (1998). "Archaeological and palaeoecological indications of an abrupt climate change in The Netherlands, and evidence for climatological teleconnections around 2650 BP". Journal of Quaternary Science. 11 (6): 451–460. Bibcode:1996JQS....11..451V. doi:10.1002/(SICI)1099-1417(199611/12)11:6<451::AID-JQS275>3.0.CO;2-9. Archived from the original on 2012-12-18.