Structure of the '8,200' year cold event revealed by a speleothem trace element record

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Structure of the '8,200' year cold event revealed by a speleothem trace element record. / Baldini, JUL; McDermott, F; Fairchild, Ian.

In: Science, Vol. 296, 21.06.2002, p. 2203-2206.

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@article{3bc3fcc3bb2240f289a8902584890b34,
title = "Structure of the '8,200' year cold event revealed by a speleothem trace element record",
abstract = "Abrupt first-order shifts in strontium and phosphorus concentrations in stalagmite calcite deposited in western Ireland during the 8200-year event (the major cooling episode 8200 years before the present) are interpreted as responses to a drier climate lasting about 37 years. Both shifts are centered on 8330 +/- 80 years before the present, coinciding with a large oxygen isotope anomaly and a change in the calcite petrography. In this very high resolution (monthly) record, antipathetic second-order oscillations in phosphorus and strontium reveal decreased growth rates and increased rainfall seasonality. Growth rate variations within the event reveal a two-pronged structure consistent with recent model simulations.",
author = "JUL Baldini and F McDermott and Ian Fairchild",
year = "2002",
month = jun,
day = "21",
doi = "10.1126/science.1071776",
language = "English",
volume = "296",
pages = "2203--2206",
journal = "Science",
issn = "0036-8075",
publisher = "American Association for the Advancement of Science",

}

RIS

TY - JOUR

T1 - Structure of the '8,200' year cold event revealed by a speleothem trace element record

AU - Baldini, JUL

AU - McDermott, F

AU - Fairchild, Ian

PY - 2002/6/21

Y1 - 2002/6/21

N2 - Abrupt first-order shifts in strontium and phosphorus concentrations in stalagmite calcite deposited in western Ireland during the 8200-year event (the major cooling episode 8200 years before the present) are interpreted as responses to a drier climate lasting about 37 years. Both shifts are centered on 8330 +/- 80 years before the present, coinciding with a large oxygen isotope anomaly and a change in the calcite petrography. In this very high resolution (monthly) record, antipathetic second-order oscillations in phosphorus and strontium reveal decreased growth rates and increased rainfall seasonality. Growth rate variations within the event reveal a two-pronged structure consistent with recent model simulations.

AB - Abrupt first-order shifts in strontium and phosphorus concentrations in stalagmite calcite deposited in western Ireland during the 8200-year event (the major cooling episode 8200 years before the present) are interpreted as responses to a drier climate lasting about 37 years. Both shifts are centered on 8330 +/- 80 years before the present, coinciding with a large oxygen isotope anomaly and a change in the calcite petrography. In this very high resolution (monthly) record, antipathetic second-order oscillations in phosphorus and strontium reveal decreased growth rates and increased rainfall seasonality. Growth rate variations within the event reveal a two-pronged structure consistent with recent model simulations.

UR - http://www.scopus.com/inward/record.url?scp=0037150691&partnerID=8YFLogxK

U2 - 10.1126/science.1071776

DO - 10.1126/science.1071776

M3 - Article

C2 - 12077412

VL - 296

SP - 2203

EP - 2206

JO - Science

JF - Science

SN - 0036-8075

ER -