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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 concentration of lake sediment core TAR2-18-1 from Tarn 2, East Falkland [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.993779 (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
1 DEPTH, sediment/rockDepth sedmSpoth-Ascencao, MeghanGeocode
2 AGEAgeka BPSpoth-Ascencao, MeghanAge, calibratedGeocode – cal BP
3 AsteraceaeAsterac#/cm3Spoth-Ascencao, Meghan
4 RosaceaeRosaceae#/cm3Spoth-Ascencao, Meghan
5 BolaxBolax#/cm3Spoth-Ascencao, Meghan
6 PoaceaePoac#/cm3Spoth-Ascencao, Meghan
7 PodocarpusPodocarpus#/cm3Spoth-Ascencao, Meghan
8 EphedraEph#/cm3Spoth-Ascencao, Meghan
9 NothofagusNothofagus#/cm3Spoth-Ascencao, Meghan
10 CyperaceaeCyperac#/cm3Spoth-Ascencao, Meghan
11 LycopodiumLyc#/cm3Spoth-Ascencao, Meghan
12 Spores, trilete undifferentiatedSpores trilete undiff#/cm3Spoth-Ascencao, Meghan
13 Spores, monoleteSpores mono#/cm3Spoth-Ascencao, Meghan
14 CaryophyllaceaeCphae#/cm3Spoth-Ascencao, Meghan
15 EricaceaeEricac#/cm3Spoth-Ascencao, Meghan
16 Astelia pumilaA. pumila#/cm3Spoth-Ascencao, Meghan
17 DrapetesDrapetes#/cm3Spoth-Ascencao, Meghan
18 ApiaceaeApiaceae#/cm3Spoth-Ascencao, Meghan
19 GunneraGunnera#/cm3Spoth-Ascencao, Meghan
20 Pollen, uplandPollen upland#/cm3Spoth-Ascencao, Meghan
21 Pollen, cushionPollen cushion#/cm3Spoth-Ascencao, Meghan
22 Pollen, long distancePollen long dis#/cm3Spoth-Ascencao, Meghantravel grains
23 Moss and fernsMoss + ferns#/cm3Spoth-Ascencao, Meghan
24 HerbsHerbs#/cm3Spoth-Ascencao, Meghan
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
704 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 
Depth sed [m]		2 
Age [ka BP]		3 
Asterac [#/cm3]		4 
Rosaceae [#/cm3]		5 
Bolax [#/cm3]		6 
Poac [#/cm3]		7 
Podocarpus [#/cm3]		8 
Eph [#/cm3]		9 
Nothofagus [#/cm3]		10 
Cyperac [#/cm3]		11 
Lyc [#/cm3]		12 
Spores trilete undiff [#/cm3]		13 
Spores mono [#/cm3]		14 
Cphae [#/cm3]		15 
Ericac [#/cm3]		16 
A. pumila [#/cm3]		17 
Drapetes [#/cm3]		18 
Apiaceae [#/cm3]		19 
Gunnera [#/cm3]		20 
Pollen upland [#/cm3]		21 
Pollen cushion [#/cm3]		22 
Pollen long dis [#/cm3]		23 
Moss + ferns [#/cm3]		24 
Herbs [#/cm3]
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