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High-resolution stratigraphy of the northernmost concentric raised bog in Europe - Sellevollmyra, Andøya, northern Norway
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, Palaeobiology.
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2007 (English)In: Boreas, ISSN 0300-9483, E-ISSN 1502-3885, Vol. 36, no 3, 253-277 p.Article in journal (Refereed) Published
Abstract [en]

From the Sellevollmyra bog at Andya, northern Norway, a 440-cm long peat core covering the last c. 7000 calendar years was examined for humification, loss-on-ignition, microfossils, macrofossils and tephra. The age model was based on a Bayesian wiggle-match of 35 14C dates and two historically anchored tephra layers. Based on changes in lithology and biostratigraphical climate proxies, several climatic changes were identified (periods of the most fundamental changes in italics): 6410-6380, 6230-6050, 5730-5640, 5470-5430, 5340-5310, 5270-5100, 4790-4710, 4890-4820, 4380-4320, 4220-4120, 4000-3810, 3610-3580, 3370-3340 (regionally 2850-2750; in Sellevollmyra a hiatus between 2960-2520), 2330-2220, 1950, 1530-1450, 1150-840, 730? and c. 600? cal. yr BP. Most of these climate changes are known from other investigations of different palaeoclimate proxies in northern and middle Europe. Some volcanic eruptions seemingly coincide with vegetation changes recorded in the peat, e.g. about 5760 cal. yr BP; however, the known climatic deterioration at the time of the Hekla-4 tephra layer started some decades before the eruption event.

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2007. Vol. 36, no 3, 253-277 p.
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Earth and Related Environmental Sciences
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URN: urn:nbn:se:uu:diva-12584DOI: 10.1080/03009480601061152OAI: oai:DiVA.org:uu-12584DiVA: diva2:40353
Available from: 2008-01-07 Created: 2008-01-07 Last updated: 2017-12-11Bibliographically approved

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