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I recently completed my PhD at the Research School of Earth Sciences, ANU and am currently working as a postdoc on using isotopes in fish and shell remains from lake sediment cores to understand past environments at sites in Papua New Guinea and Timor Leste. My areas of interest are sclerochronology, fish otolith microchemistry, isotopes and generally archaeological and environmental science.
Fish otoliths from the Willandra Lakes Region World Heritage Area (south-western New South Wales, Australia) have been analysed for oxygen isotopes and trace elements using in situ techniques, and dated by radiocarbon. The study focused on the lunettes of Lake Mungo, an overflow lake that only filled during flooding events and emptied by evaporatio...
The oxygen isotopic composition of Stenomelania gastropod shells was investigated to reconstruct Holocene palaeoclimate change at Lake Kutubu in the southern highlands of Papua New Guinea. Oxygen isotope (δ18O) values recorded in aquatic gastropod shells change according to ambient water δ18O values and temperature. The gastropod shells appear to f...
Inland archaeological sites in the Australian arid zone contain few records of past environments. For those archives that do exist, such as sedimentary records, it can be difficult to associate the environmental conditions that they record directly with the time scales of human occupation. At the world heritage site of Lake Mungo, in north western...
The δ¹⁸O, Strontium/Calcium and Barium/Calcium values recorded in golden perch otoliths collected from two evaporative lakes, modern Lake Hope and ancient Lake Mungo, have been used to reconstruct changes in water composition and environmental conditions during the life of the fish. Lake Hope was filled by floodwaters in 1989 and 1990, then a perio...