Climatic Change DOI 10.1007/s10584-008-9477-y A multiproxy reconstruction of spring temperatures in south-west Finland since 1750

Abstract Spring temperatures were reconstructed by multiproxy database for southwest Finland since 1750. Proxy records used here were ice break-up in the Aurajoki River, the Baltic Sea ice extent, the plant phenological index and the annual varve thickness in the Pyhäjärvi Lake. Records were integra...

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Bibliographic Details
Main Authors: Jari Holopainen, Samuli Helama, Juha M. Kaj, Johanna Korhonen, Jouko Launiainen, Heikki Nevanlinna, Anni Reissell, Veli-pekka Salonen, J. M. Kajander, J. Korhonen, J. Launiainen, H. Nevanlinna, A. Reissell
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Published: 2006
Subjects:
Sea ice
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.379.4956
http://lustiag.pp.fi/__Publ-Art/Rev/2008 Holopainen et al Climatic Change [in press].pdf
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Summary:Abstract Spring temperatures were reconstructed by multiproxy database for southwest Finland since 1750. Proxy records used here were ice break-up in the Aurajoki River, the Baltic Sea ice extent, the plant phenological index and the annual varve thickness in the Pyhäjärvi Lake. Records were integrated into one palaeoclimate model using time-scale dependent calibration techniques. Reconstruction was verified with statistics showing a high degree of validation between the reconstructed and observed temperatures in Turku, south-west Finland. Reconstruction demonstrates that the springs have become warmer and reveals a warming trend since

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