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Rhythmic delta D fluctuations in the tree-ring latewood cellulose of spruce trees (Picea abies L.)

Lipp, J.; Trimborn, P.; Becker, B.

Dendrochronologia 10: 9-22

1992


ISSN/ISBN: 1125-7865
Accession: 002689157

Five Norway spruce (Picea abies) trees growing near Bad Windsheim, Middle Franconia (Germany) were sampled, and latewood was analysed, in a dendrochronological study. The delta D values of latewood were significantly correlated with both temperature and relative humidity for July and August - the period of latewood formation. This isotope pattern results from cellulose isotopic composition being determined mainly by the isotopic composition of precipitation used during (summer)-photosynthesis.

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