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BLUE INTENSITY IN PINUS SYLVESTRIS TREE RINGS: A MANUAL FOR A NEW PALAEOCLIMATE PROXY
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2011 (English)In: TREE-RING RESEARCH, ISSN 1536-1098, Vol. 67, no 2, 127-134 p.Article in journal (Refereed) Published
Abstract [en]

Minimum blue intensity is a reflected light imaging technique that provides an inexpensive, robust and reliable surrogate for maximum latewood density. In this application it was found that temperature reconstructions from resin-extracted samples of Pious sylvestris (L.) from Fennoscandia provide results equivalent to conventional x-ray densitometry. This paper describes the implementation of the blue intensity method using commercially available software and a flat-bed scanner. A calibration procedure is presented that permits results obtained by different laboratories, or using different scanners, to be compared. In addition, the use of carefully prepared and chemically treated 10-mm-diameter cores are explored; suggesting that it may not be necessary to produce thin laths with the rings aligned exactly perpendicular to the measurement surface.

Place, publisher, year, edition, pages
2011. Vol. 67, no 2, 127-134 p.
Keyword [en]
Dendrochronology, Scots pine, x-ray density, resin extraction, Fennoscandia
National Category
Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:su:diva-66645ISI: 000292810900006OAI: oai:DiVA.org:su-66645DiVA: diva2:468322
Note
authorCount :6Available from: 2011-12-20 Created: 2011-12-20 Last updated: 2011-12-20Bibliographically approved

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Grudd, HåkanGunnarson, Björn
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Department of Physical Geography and Quaternary Geology
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