Pine bark PIXE analysis: A new method to study long-term environmental changes

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Abstract

Scots pine (Pinus Sylvestris L.) bark has been tested as a material for long term analysis of forest growth changes. Material from the years around 1900 as well as from the last decades was analyzed by the PIXE method. The relative concentrations of Si, S, Cl, K, Ca, Mn and Fe were determined.

No long term trends were observed in “old” bark, while in “new” bark material increasing trends were detected for calcium, manganese and iron. The pine bark seems to be a promising source of data for time series analysis.

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