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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): Pollen accumulation rate of lake sediment core TAR2-18-1 from Tarn 2, East Falkland [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.993781 (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:
Pollen data from Tarn 2, Mt. Usborne, East Falkland extracted from tar2-18-1 with piston corer in Spring 2018. Data is plotted by depth of the piston core and age. Pollen assemblage is reported as raw counts, percentage of the upland sum (%), pollen concentration (grains/cm3), and pollen accumulation rate (grains/cm2/yr).
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: 0.03 m * Maximum DEPTH, sediment/rock: 1.50 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
2AGEAgeka BPSpoth-Ascencao, MeghanAge, calibratedGeocode – cal BP
3Asteraceae, fluxAsteraceae flux#/cm2/aSpoth-Ascencao, Meghan
4Rosaceae, fluxRosaceae flux#/cm2/aSpoth-Ascencao, Meghan
5Bolax, fluxBolax flux#/cm2/aSpoth-Ascencao, Meghan
6Poaceae, fluxPoac flux#/cm2/aSpoth-Ascencao, Meghan
7Podocarpus, fluxPodocarpus flux#/cm2/aSpoth-Ascencao, Meghan
8Ephedra, fluxEphedra flux#/cm2/aSpoth-Ascencao, Meghan
9Nothofagus, fluxNothofagus flux#/cm2/aSpoth-Ascencao, Meghan
10Cyperaceae, fluxCyperaceae flux#/cm2/aSpoth-Ascencao, Meghan
11Lycopodium, fluxLycopodium flux#/cm2/aSpoth-Ascencao, Meghan
12Spores, trilete, fluxtrilete flux#/cm2/aSpoth-Ascencao, Meghanundiff
13Spores, monolete, fluxSpores mono flux#/cm2/aSpoth-Ascencao, Meghan
14Caryophyllaceae, fluxCaryoph flux#/cm2/aSpoth-Ascencao, Meghan
15Ericaceae, fluxEricaceae flux#/cm2/aSpoth-Ascencao, Meghan
16Astelia pumila, fluxAstelia pumila flux#/cm2/aSpoth-Ascencao, Meghan
17Drapetes, fluxDrapetes flux#/cm2/aSpoth-Ascencao, Meghan
18Apiaceae, fluxApiaceae flux#/cm2/aSpoth-Ascencao, Meghan
19Gunnera, fluxGunnera flux#/cm2/aSpoth-Ascencao, Meghan
20Pollen, upland, fluxPollen upland flux#/cm2/aSpoth-Ascencao, Meghan
21Pollen, cushionPollen cushion#/cm2/aSpoth-Ascencao, Meghan
22Pollen, long distance, fluxPollen long distance flux#/cm2/aSpoth-Ascencao, Meghantravel grains
23Moss and ferns, fluxMoss + ferns flux#/cm2/aSpoth-Ascencao, Meghan
24Herbs, fluxHerbs flux#/cm2/aSpoth-Ascencao, Meghan
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
704 data points

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