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Claudine Stirling 2021 imagePhD(ANU), BSc(Hons)(Well)

Tel +64 3 479 7932
Email claudine.stirling@otago.ac.nz

Research interests

My research uses trace elements and their isotope systems to track a wide range of processes on Earth in order to better understand the dynamic interactions between the oceans and atmosphere during episodes of major climate change. I investigate these processes across a wide range of timescales, from the “super-greenhouse” warming events operating in “deep-time”, to the more recent “glacial-interglacial” climate changes of the Quaternary, to the rapidly shifting modern environment that is impacted by anthropogenic change. My research spans the high-latitude regions of the Southern Ocean to the low-latitudes of the equatorial Pacific Ocean. I am especially interested in the stable isotope tracers of “bioactive” metals, such iron, zinc and cadmium, and of “redox-sensitive” metals, such as uranium and molybdenum, with an emphasis on technique development using MC-ICPMS and ultra-clean laboratory methods.

Postgraduate research opportunities

Publications

Druce, M., Stirling, C. H., & Rolison, J. M. (2020). High-precision zinc isotopic measurement of certified reference materials relevant to the environmental, Earth, planetary and biomedical sciences. Geostandards & Geoanalytical Research, 44(4), 711-732. doi: 10.1111/ggr.12341 Journal - Research Article

George, E., Stirling, C. H., Gault-Ringold, M., Ellwood, M. J., & Middag, R. (2019). Marine biogeochemical cycling of cadmium and cadmium isotopes in the extreme nutrient-depleted subtropical gyre of the South West Pacific Ocean. Earth & Planetary Science Letters, 514, 84-95. doi: 10.1016/j.epsl.2019.02.031 Journal - Research Other

Gangl, S. K., Moy, C. M., Stirling, C. H., Jenkyns, H. C., Crampton, J. S., Clarkson, M. O., Ohneiser, C., & Porcelli, D. (2019). High-resolution records of Oceanic Anoxic Event 2: Insights into the timing, duration and extent of environmental perturbations from the palaeo-South Pacific Ocean. Earth & Planetary Science Letters, 518, 172-182. doi: 10.1016/j.epsl.2019.04.028 Journal - Research Article

Clarkson, M. O., Stirling, C. H., Jenkyns, H. C., Dickson, A. J., Porcelli, D., Moy, C. M., … Cooke, I. R., & Lenton, T. M. (2018). Uranium isotope evidence for two episodes of deoxygenation during Oceanic Anoxic Event 2. PNAS, 115(12), 2918-2923. doi: 10.1073/pnas.1715278115 Journal - Research Article

Rolison, J. M., Stirling, C. H., Middag, R., Gault-Ringold, M., George, E., & Rijkenberg, M. J. A. (2018). Iron isotope fractionation during pyrite formation in a sulfidic Precambrian ocean analogue. Earth & Planetary Science Letters, 488, 1-13. doi: 10.1016/j.epsl.2018.02.006 Journal - Research Article

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