Swedish tree rings provide new evidence in support of a major, widespread environmental disruption in 1628 BC

Details Swedish tree rings provide new evidence in support of a major, widespread environmental disruption in 1628 BC Swedish tree rings provide new evidence in support of a major, widespread environmental disruption in 1628 BC

Sep 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000georl..27.2957g&link_type=abstract

Geophysical Research Letters, Volume 27, Issue 18, p. 2957-2960

Physics

Atmospheric Composition And Structure: Volcanic Effects, Meteorology And Atmospheric Dynamics: Paleoclimatology, Volcanology: Atmospheric Effects

Scientific paper

Pine trees, recovered from a peat bog in south-central Sweden, are used to develop a continuous, but ``floating,'' 200-year tree-ring chronology. By wiggle matching high-precision 14C determinations against the radiocarbon calibration curve, the chronology is positioned at 1695-1496 BC with an uncertainty of +/-65 years. One major event, denoted by four consecutive years with extremely narrow rings, indicative of highly unfavourable local tree-growth conditions, occurred in the time window represented by the chronology. This growth depression is dated to 1637 BC (+/-65) and may be tentatively ascribed to the same phenomenon that caused frost damage in tress in California and a growth depression in European oak in 1628/27 BC, hence providing new evidence of a more northerly area of influence of this widespread phenomenon.

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