☆ 4.2 Article

Variations in tree ring stable isotope records from northern Finland and their possible connection to solar activity

JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS (2011)

期刊

JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS

卷 73, 期 2-3, 页码 383-387

出版社

PERGAMON-ELSEVIER SCIENCE LTD

DOI: 10.1016/j.jastp.2010.02.020

关键词

Stable isotope; Paleoclimatology; Solar-climate link

类别

Geochemistry & Geophysics Meteorology & Atmospheric Sciences

资金

Russian and Finnish Academies [16]
Presidium of Russian Academy of Sciences, RFBR [06-04-48792, 07-02-00379, 09-02-00083]
EU [EVK2-2002-00147]

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摘要

Within a project on climate in Europe during the past few hundred years we have collected a record on stable isotope ratios C-13/C-12 and O-18/O-16 in tree ring cellulose from pine trees in northern Finland. The records cover the time interval 1600-2002 AD and have an annual time resolution. The carbon stable isotope record from northernmost Finland correlates quite strongly with local growth period temperature. Statistical analysis of the carbon and oxygen stable isotope records reveals variations in the periods around 100, 11 and 3 years. A century scale connection between the C-13/C-12 record and solar activity is most evident. These results based on stable isotope records support previous evidences of a centennial solar-climatic link obtained for northern Finland using tree ring data. (c) 2010 Elsevier Ltd. All rights reserved.

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