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Twentieth‐century summer (July–August) temperatures in northern Finland are reconstructed using ring widths, maximum density and stable carbon isotope ratios (δ13C) of Scots pine tree rings, and using combinations of these proxies. Verification is based on the coefficient of determination (r2), reduction of error (RE) and coefficient of efficiency (CE) statistics. Of the individual proxies, δ13C performs...
The influence of minimum, maximum and mean monthly temperatures and precipitation on the radial growth of Scots pine (Pinus sylvestris L.) was studied beyond the continuous forest line in northern Finland. Latewood density, annual ring width and earlywood width respond more strongly to climate than latewood width or earlywood density. Earlywood width is controlled by precipitation in June and temperatures...
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