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Inter-regional correlation of palaeoclimatic records for the last Glacial-Interglacial Transition : A protocol for improved precision recommended by the INTIMATE project group

John Lowe, J. ; Hoek, Wim Z. ; Björck, Svante LU ; Hammarlund, Dan LU and Wohlfarth, Barbara LU (2001) In Quaternary Science Reviews 20(11). p.1175-1187
Abstract

The remit of the INTIMATE project of the INQUA Palaeoclimate Commission is to synthesise marine, terrestrial and ice-core data for the North Atlantic region during the Last Glacial-Interglacial Transition (LGIT: ca 13-1014C kyr BP; ca 15-11.5 ice-core kyr BP). A major problem, however, is the difficulty of effecting correlations at a temporal resolution that are adequate for defining 'leads' and 'lags' between the polar ice, terrestrial, marine, and atmospheric realms. The limitations of the dating and correlation methods currently employed are summarised, and new quality assurance protocols are proposed. These include recommendations on the contextual information that should accompany radiocarbon dates, procedures for... (More)

The remit of the INTIMATE project of the INQUA Palaeoclimate Commission is to synthesise marine, terrestrial and ice-core data for the North Atlantic region during the Last Glacial-Interglacial Transition (LGIT: ca 13-1014C kyr BP; ca 15-11.5 ice-core kyr BP). A major problem, however, is the difficulty of effecting correlations at a temporal resolution that are adequate for defining 'leads' and 'lags' between the polar ice, terrestrial, marine, and atmospheric realms. The limitations of the dating and correlation methods currently employed are summarised, and new quality assurance protocols are proposed. These include recommendations on the contextual information that should accompany radiocarbon dates, procedures for radiocarbon calibration, the use of an event-stratigraphic approach in inter-regional correlations, and the more widespread use of time-parallel marker horizons (based on tephra layers, oxygen isotope stratigraphy, palaeomagnetic stratigraphy, and radiocarbon 'wiggle-matching') to underpin the geochronology and correlation of events during the LGIT. These protocols will be adopted by the INTIMATE project in future international, collaborative research and are recommended to other groups working on this important time period.

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Quaternary Science Reviews
volume
20
issue
11
pages
13 pages
publisher
Elsevier
external identifiers
  • scopus:0034973661
ISSN
0277-3791
DOI
10.1016/S0277-3791(00)00183-9
language
English
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yes
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de7194ea-788c-4441-89f1-11ae327c3f82
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2019-05-21 11:28:58
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@article{de7194ea-788c-4441-89f1-11ae327c3f82,
  abstract     = {<p>The remit of the INTIMATE project of the INQUA Palaeoclimate Commission is to synthesise marine, terrestrial and ice-core data for the North Atlantic region during the Last Glacial-Interglacial Transition (LGIT: ca 13-10<sup>14</sup>C kyr BP; ca 15-11.5 ice-core kyr BP). A major problem, however, is the difficulty of effecting correlations at a temporal resolution that are adequate for defining 'leads' and 'lags' between the polar ice, terrestrial, marine, and atmospheric realms. The limitations of the dating and correlation methods currently employed are summarised, and new quality assurance protocols are proposed. These include recommendations on the contextual information that should accompany radiocarbon dates, procedures for radiocarbon calibration, the use of an event-stratigraphic approach in inter-regional correlations, and the more widespread use of time-parallel marker horizons (based on tephra layers, oxygen isotope stratigraphy, palaeomagnetic stratigraphy, and radiocarbon 'wiggle-matching') to underpin the geochronology and correlation of events during the LGIT. These protocols will be adopted by the INTIMATE project in future international, collaborative research and are recommended to other groups working on this important time period.</p>},
  author       = {John Lowe, J. and Hoek, Wim Z. and Björck, Svante and Hammarlund, Dan and Wohlfarth, Barbara},
  issn         = {0277-3791},
  language     = {eng},
  month        = {01},
  number       = {11},
  pages        = {1175--1187},
  publisher    = {Elsevier},
  series       = {Quaternary Science Reviews},
  title        = {Inter-regional correlation of palaeoclimatic records for the last Glacial-Interglacial Transition : A protocol for improved precision recommended by the INTIMATE project group},
  url          = {http://dx.doi.org/10.1016/S0277-3791(00)00183-9},
  doi          = {10.1016/S0277-3791(00)00183-9},
  volume       = {20},
  year         = {2001},
}