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Temperature proxy records covering the last two millennia: a tabular and visual overview
Stockholm University, Faculty of Humanities, Department of History.
2009 (English)In: Geografiska Annaler: Physical Geography, ISSN 0435-3676, Vol. 91A, no 1, 11-29 p.Article in journal (Refereed) Published
Abstract [en]

Proxy data are our only source to knowledge of temperature variability in the period prior to instrumental temperature measurements. Until recently, very few quantitative palaeotemperature records extended back a millennium or more but the number is now increasing. Here, the first systematic survey is presented, with graphic representations, of most quantitative temperature proxy data records covering the last two millennia that have been published in the peer-reviewed literature. In total, 71 series are presented together with basic essential information on each record. This overview will hopefully assist future palaeoclimatical research by facilitating an orientation among available palaeotemperature records and thus reduce the risk of missing less well-known proxy series. The records show an amplitude between maximum and minimum temperatures during the past two millennia on centennial time scales ranging from c. 0.5 to 4 °C and averaging c. 1.5–2 °C for both high and low latitudes although these variations are not always occurring synchronically. Both the Medieval Warm Period, the Little Ice Age and the 20th century warming are clearly visible in most records, whereas the Roman Warm Period and the Dark Age Cold Period are less clearly discernible.

Place, publisher, year, edition, pages
2009. Vol. 91A, no 1, 11-29 p.
Keyword [en]
Palaeoclimatic records, temperature proxy data, climate variability, temperature reconstructions
National Category
Climate Research Physical Geography Meteorology and Atmospheric Sciences History
URN: urn:nbn:se:su:diva-17231ISI: 000266549100002OAI: diva2:183752
Available from: 2009-01-09 Created: 2009-01-09 Last updated: 2009-03-03Bibliographically approved

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Charpentier Ljungqvist, Fredrik
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