Butler, Paul G; Richardson, Christopher A; Scourse, James D; Witbaard, Rob; Schöne, Bernd R; Fraser, Nicole M; Wanamaker, Alan D; Bryant, Charlotte L; Harris, Ian; Robertson, Iain (2009): Arctica islandica chronologies from Fladen Ground [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.831998, Supplement to: Butler, PG et al. (2009): Accurate increment identification and the spatial extent of the common signal in five Arctica islandica chronologies from the Fladen Ground, northern North Sea. Paleoceanography, 24(2), PA2210, https://doi.org/10.1029/2008PA001715
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Abstract:
The creation of networks of shell-based chronologies which can provide regionally extensive high-resolution proxies for the marine environment depends on the spatial extent of the common environmental signal preserved in the shell banding and on the reliability of the dating model. Here Arctica islandica chronologies from five neighboring sites in the North Sea are compared, and the strength of the common environmental signal across distances up to 80 km is analyzed using statistical techniques derived from dendrochronology. The signal is found to be coherent across these distances. In a linked study, chronologies based on one of the same sites but constructed by two different research teams are compared. Methodological differences in increment interpretation are found to lead to slippage in the dating models. Systematic inclusion or exclusion of intermittently occurring increments results in the two chronologies becoming misaligned by 4 years over a 70-year period. Comparisons with neighboring chronologies indicate that such increments can generally be regarded as genuine annual increments even if they are not visible in all shells.
Coverage:
Median Latitude: 59.083584 * Median Longitude: 0.242489 * South-bound Latitude: 58.786670 * West-bound Longitude: -0.334720 * North-bound Latitude: 59.385000 * East-bound Longitude: 0.516670
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets
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Datasets listed in this publication series
- Butler, PG; Richardson, CA; Scourse, JD et al. (2009): (Table 1) Shell chronology of Arctica islandica from the Fladen Ground. https://doi.org/10.1594/PANGAEA.831996
- Butler, PG; Richardson, CA; Scourse, JD et al. (2009): (Table 3) Growth indices of Arctica islandica from the Fladen Ground. https://doi.org/10.1594/PANGAEA.831997