Barbara Wohlfarth
Complete multi-proxy data set for cores #1 to cores #6 from Hässeldala Port, southern Sweden (63 m a.s.l.) including: Lithostratigraphy, geochemistry, tephra, radiocarbon dates, age model, pollen counts, percentages and concentrations, diatoms, biomarkers, hydrogen isotopes and carbon dioxide reconstructions.
Download data
Citation
Barbara Wohlfarth (2017) Lateglacial and early Holocene multi-core and multi-proxy data set for the ancient lake at Hässeldala Port, southern Sweden. Dataset version 1. Bolin Centre Database. https://doi.org/10.17043/wohlfarth-2017-hasseldala-1
References
Wohlfarth, B., Muschitiello, F., Greenwood, S., Andersson, A., Kylander, M. Smittenberg, R. H., Steinthorsdottir, M., Watson, J., Whitehouse, N. J. 2017: Hässeldala – a key site for Last Termination climate events in northern Europe. Boreas, 46, 143-161. https://doi.org/10.1111/bor.12207
Davies, S. M., Wastegård, S., Wohlfarth, B. 2003: Extending the limits of the Borrobol Tephra to Scandinavia and detection of new early Holocene tephras. Quaternary Research 59, 345-352. https://doi.org/10.1016/S0033-5894(03)00035-8
Davies, S. M., Wohlfarth, B., Wastegård, S., Andersson, M., Blockley, S., Possnert, G. 2004: Were there two Borrobol Tephras during the early Lateglacial period: implications for tephrochronology? Quaternary Science Reviews 23, 581-589. https://doi.org/10.1016/j.quascirev.2003.11.006
Wohlfarth, B., Blaauw, M., Davies, S. M., Andersson, M., Wastegård, S., Hormes, A., Possnert, G. 2006: Constraining the age of Lateglacial and early Holocene pollen zones and tephra horizons in southern Sweden with Bayesian probability methods. Journal of Quaternary Science 21, 321-334. https://doi.org/10.1002/jqs.996
Watson, J. 2008: Quantifying Late Glacial climate change in Northwestern Europe using two insect proxies. PhD Thesis, The Queen's University of Belfast, 365 pp.
Kylander, M. E., Klaminder, J., Wohlfarth, B., Löwemark, L. 2013: Geochemical responses to paleoclimatic changes in southern Sweden since the late glacial: the Hässeldala Port lake sediment record. Journal of Paleolimnology 50, 57-70. https://doi.org/10.1007/s10933-013-9704-z
Steinthorsdottir, M., de Boer, A., Oliver, K. I. C., Muschitiello, F., Blaauw, M., Reimer, P. J., Wohlfarth, B. 2014: Synchronous records of pCO₂ and Δ¹⁴C suggest rapid, ocean-driven pCO₂ fluctuations at the onset of Younger Dryas. Quaternary Science Reviews 99, 84-96. https://doi.org/10.1016/j.quascirev.2014.06.021
Steinthorsdottir, M., Wohlfarth, B., Kylander, M. E., Blaauw, M. and Reimer, P. J. 2013: Stomatal proxy record of CO₂ concentrations from the Last Termination suggests an important role for CO₂ at climate change transitions. Quaternary Science Reviews 68, 43-58. https://doi.org/10.1016/j.quascirev.2013.02.003
Ampel, L., Kylander, M. E., Steinthorsdottir, M., Wohlfarth, B. 2015: Abrupt climate change and early lake development – the Lateglacial diatom flora at Hässeldala Port, southeastern Sweden. Boreas 44, 94-102. https://doi.org/10.1111/bor.12081
Muschitiello, F., Andersson, A., Wohlfarth, B., Smittenberg, R. H. 2015: The C₂₀ highly branched isoprenoid biomarker – A new diatom-sourced proxy for summer trophic conditions? Organic Geochemistry 81, 27-33. https://doi.org/10.1016/j.orggeochem.2015.01.007
Muschitiello, F., Pausata, F. S. R., Watson, J. E., Smittenberg, R. H., Salih, A. A. M., Brooks, S. J., Whitehouse, N. J., Karlatou-Charalampopoulou, A., Wohlfarth, B. 2015: Fennoscandian freshwater control on Greenland hydroclimate shifts at the onset of the Younger Dryas. Nature Communications 6, 8939. https://doi.org/10.1038/ncomms9939
Karlatou-Charalampopoulou, A. 2016: Vegetation responses to Late Glacial climate shifts as reflected in a high-resolution pollen record from Blekinge, south-eastern Sweden, compared with responses of other climate proxies. M.Sc. thesis 464, Lund University, 17 pp.
Data description
The dataset is provided in a zip file containing eight xlsx.files. Each file contains a Read me tab and one or more tabs with data.
Comments
Core #1: Tephra and TOC data set created by Siwan Davies. Core #3: Pollen and LOI data created by Mamite Andersson. Core #HP4: Chironomid data created by Jennifer Watson. Core #5: Diatom data set created by Linda Ampel; CO₂ data set created by Margret Steinthorsdottir; Biomarker data set and age model created by Francesco Muschitiello. Core #6: Pollen analysis done by Artemis Karlatou-Charalampopoulou. Core-to-core alignment and age model created by Francesco Muschitiello. Core #5 project financing: Swedish Nuclear Fuel and Waste Management Co.; Swedish Research Council.