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Spoth-Ascencao, Meghan; Hall, Brenda L; Diefendorf, Aaron F; Lowell, Thomas V; Russell, Joellen; Corcoran, Megan C; Brickle, Paul; Gill, Jacquelyn (2026): Age model of lake sediment core TAR2-18-1 from Tarn 2, East Falkland [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.993769 (DOI registration in progress), In: Spoth-Ascencao, M et al. (2026): A 13,000-year reconstruction of Southern Hemisphere Westerlies using South Atlantic pollen and plant wax isotopes [dataset bundled publication]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.993811 (DOI registration in progress)

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Published: 2026-04-27

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Abstract:
Age model for sediment core tar2-18-1. Age model based on 7 radiocarbon dates calibrated with INTCAL20 and integrated with R.Bacon.
Keyword(s):
alkanes; Biomarker; Lake sediment core; Long-chain n-alkanes; Pollen; South Altantic; south westerly wind; Vegetation change; Vegetation composition
Related to:
Spoth-Ascencao, Meghan; Hall, Brenda L; Gill, Jacquelyn; et al. (accepted): A 13,000-year record of the Southern Hemisphere Westerlies inferred from pollen and plant wax isotopes from the South Atlantic. Paleoceanography and Paleoclimatology
Spoth-Ascencao, Meghan; Hall, Brenda L; Lowell, Thomas V; Diefendorf, Aaron F; Corcoran, Megan C; Brickle, Paul (2023): Tracking the southern hemisphere westerlies during and since the last glacial maximum with multiproxy lake records from the Falkland Islands (52 °S). Quaternary Science Reviews, 311, 108135, https://doi.org/10.1016/j.quascirev.2023.108135
Coverage:
Latitude: -51.696367 * Longitude: -58.826867
Minimum DEPTH, sediment/rock: 0.00 m * Maximum DEPTH, sediment/rock: 1.55 m
Event(s):
TAR2-18-1 * Latitude: -51.696367 * Longitude: -58.826867 * Elevation: 600.0 m * Location: Falkland Islands * Method/Device: Piston corer (PC) * Comment: Spring 2018, Tarn 2
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DEPTH, sediment/rockDepth sedmSpoth-Ascencao, MeghanGeocode
2Age, minimum/youngAge minkaSpoth-Ascencao, MeghanAge, 14C calibrated, Bacon and IntCal20
3Age, maximum/oldAge maxkaSpoth-Ascencao, MeghanAge, 14C calibrated, Bacon and IntCal20
4Age, medianAge mediankaSpoth-Ascencao, MeghanAge, 14C calibrated, Bacon and IntCal20
5Age, meanAge meankaSpoth-Ascencao, MeghanAge, 14C calibrated, Bacon and IntCal20
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
624 data points

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