Using high-resolution geochemical data from XRF core scanning to interpret major climatic events at the Uddelermeer site (The Netherlands)

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dc.contributor.authorGadd, PSen_AU
dc.contributor.authorHeijnis, Hen_AU
dc.contributor.authorPeti, Len_AU
dc.contributor.authorEngels, Sen_AU
dc.date.accessioned2023-04-14T02:11:17Zen_AU
dc.date.available2023-04-14T02:11:17Zen_AU
dc.date.issued2019-07-27en_AU
dc.date.statistics2023-04-12en_AU
dc.description.abstractHigh-resolution X-ray fluorescence (XRF) scanning data is used as a palaeoclimate proxy on a long sediment record retrieved from Lake Uddelermeer. Lake Uddelermeer is the only lake in The Netherlands to contain a continuous record of environmental and climate change from the late Pleistocene to present. Due to its unique character, the lake has been studied by various research groups since the 1950s. Here we focus on a newly retrieved sediment core which has been radiocarbon dated and for which a variety of palaeoecological and palaeoclimatological data is available. We scanned the 15.6 m sediment sequence at 200 µm interval and geochemical proxies were utilised to infer changes in the lake system during major climatic events, and compared our results to existing palaeoecological and palaeoclimatological data from the same sediment sequence. Commonly used proxies such as Si/Ti can imply changes in biogenic silica and Rb/Sr can suggest chemical weathering. These proxies were looked at in detail in conjunction with the dates to confirm the timing and impact of the following major events: the Bølling-Allerød, Younger Dryas, Pre-boreal oscillations, the 9.3 ka, 8.2 ka, 2.8 ka and the Little Ice Age. Additionally, the use of high-resolution XRF scanning can be very useful for finding crypto tephra, and in this presentation, we will explore the potential occurrence of the Vedde Ash (Iceland) and the Laacher See Ash (Germany) in the sediment sequence, as well as other unidentified crypto tephra during the Last Glacial termination.en_AU
dc.identifier.citationGadd. P., Heijnis, H., Peti, L., & Engels, S. (2019). Using high-resolution geochemical data from XRF core scanning to interpret major climatic events at the Uddelermeer site (The Netherlands). Poster presented to the 20th INQUA Congress 25th - 31st July 2019, Dublin, Ireland. Retrieved from: https://virtual.oxfordabstracts.com/#/event/public/574/submission/1542en_AU
dc.identifier.conferenceenddate31 July 2019en_AU
dc.identifier.conferencename20th INQUA Congressen_AU
dc.identifier.conferenceplaceDublin, Irelanden_AU
dc.identifier.conferencestartdate25 July 2019en_AU
dc.identifier.urihttps://virtual.oxfordabstracts.com/#/event/public/574/submission/1542en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/14873en_AU
dc.language.isoenen_AU
dc.publisherInternational Union for Quaternary Research (INQUA)en_AU
dc.subjectX-ray fluorescence analysisen_AU
dc.subjectNetherlandsen_AU
dc.subjectClimatic changeen_AU
dc.subjectEnvironmenten_AU
dc.subjectQuaternary perioden_AU
dc.subjectDrill coresen_AU
dc.subjectCarbon 14en_AU
dc.subjectWeatheringen_AU
dc.subjectLakesen_AU
dc.subjectSedimentsen_AU
dc.titleUsing high-resolution geochemical data from XRF core scanning to interpret major climatic events at the Uddelermeer site (The Netherlands)en_AU
dc.typeConference Abstracten_AU
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