ECOLOGY/EVOLUTION

Secrets of the Trees

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Science  29 Nov 2002:
Vol. 298, Issue 5599, pp. 1681-1683
DOI: 10.1126/science.298.5599.1681e

The annual variations in growth rates recorded in the incremental layers of wood in trees are an important source of information about past climatic patterns. A recently completed international dendrochronological project spanning the entire Holocene period (the past 10,000 years) provides an unparalleled record of climate change across northern Europe, from Ireland to Siberia. The ADVANCE-10K project garnered data from bog- and gravel-preserved pine, oak and larch, as well as from living trees, to produce high-resolution chronologies of parameters such as summer temperature, soil moisture, and river flood frequency. The patterns allow reconstruction of the geographical as well as temporal variations in climate, at new levels of spatial detail. — AMS

Holocene12, 639 (2002).

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