Profile Details
Elizabeth Peneycad
My overall research interest is in Quaternary palaeoclimatology. More specifically, I am interested in how the oxygen isotope geochemistry of fossil mammal teeth can be used to reconstruct variations in past seasonal temperatures between and within different climate stages during the Quaternary period.
PhD Research
Past Life and Environments

Stable isotopes in small mammal dental carbonate: investigating their applications for reconstructing Quaternary climate variability in the UK

The stable isotope analysis of fossil mammalian teeth is a well-established technique in palaeoenvironmental research. Stable oxygen and carbon isotopes within small mammal dental carbonate can potentially offer valuable quantitative proxies of past environmental conditions. However, the application of these proxies to reconstructing Quaternary climate variability has thus far been limited. This is largely because the existing calibrations between oxygen isotope ratios in small mammal teeth and local meteoric water are yet to be validated. Moreover, the importance of ecological, biological and diagenetic factors in influencing the stable isotope compositions of rodent dental carbonate are poorly understood. Further investigation and testing of these proxies is therefore required. This research consequently aims to: 1) investigate the sources of isotopic variability in modern and late Holocene rodent populations across the UK, 2) establish a robust modern relationship between the oxygen isotope compositions of rodent teeth and local meteoric water, 3) test whether the coupled oxygen isotope analysis of rodent tooth and freshwater shell carbonates can produce reliable temperature estimates for Pleistocene interglacial stages in the UK, and 4) examine whether millennial-scale climatic fluctuations can be identified using the isotope compositions of rodent teeth derived from two Pleistocene cave sequences.
Ian Candy
Danielle Schreve
Quaternary Science
Physical Geography and Geology
Work & Volunteer Experience
Visiting Tutor and Teaching Assistant
Royal Holloway, University of London
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