Rachel Devine
Past Life and Environments
My research interests are primarily in using annually laminated (varved) sediments to reconstruct past environments during the Quaternary (last 2.6 million years). I am also interested in understanding the timing, extent and pattern of glacial environments, and investigating how past glacial systems respond to periods of rapid climate change. In terms of specific techniques, I am interested in the detection and analysis of annually laminated sediments by thin section analysis, and the application of geochemical analysis by XRF core scanning. I am also interested in the combined application of microscale sedimentary analysis, tephrochronology and radiocarbon dating of varved sediments to assess the relative timing of environmental responses to climatic forcing across key climatic events.
PhD Research

Using annually-resolved records to assess how the Baltic Ice Lake influences North Atlantic climate during the Last Glacial-Interglacial Transition.

My current research is based in southern Sweden and utilises glaciolacustrine varves deposited in the former Baltic Ice Lake spanning approximately 13,000 - 11,000 yrs ago (Late Allerød – Younger Dryas). By examining Swedish varves at the microscale, this project aims to refine current estimates of the number of years within the Swedish varve chronology, whilst also reconstructing catchment and glacier dynamics at annual to decadal scales. Identification of isochronous microscopic volcanic ash layers offers the rare opportunity to refine the Swedish varve chronology, and provide absolute age estimates for Baltic Ice Lake drainage. This will enable reconstruction of the synchronicity of ice and ocean responses to abrupt climatic shifts, and assessment of the potential impact of the Baltic Ice Lake drainage on the North Atlantic ocean-atmosphere systems.
Dr. Adrian Palmer
Dr. Alison MacLeod
Quaternary Science
Royal Holloway, University of London
University of Liverpool
Work Experience
Devine, R., Palmer, A. P.
Proceedings of the Geologists' Association
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