+ 386 5 700 19 33
vanessa.johnston@zrc-sazu.si
Education
M.Sci. Environmental Geosciences, University of Bristol, United Kingdom (2005).
Ph.D. School of Geological Sciences, University College Dublin, Ireland (2010).
Employment and Fellowships
Post-doctoral fellowship: co-funded by Marie Curie Actions and the Autonomous Province of Trento. Museo delle Scienze, Trento, Italy (2010–2013).
Researcher: Karst Research Institute ZRC SAZU, Slovenia (2017–ongoing).
Researcher: Ivan Rakovec Institute of Palaeontology ZRC SAZU, Slovenia (2018–2021).
Karst aqueous geochemistry
Cave microclimate
Moonmilk
Cave geomicrobiology
Speleothems as proxies for past climate changes
Stable Isotopes
Radiometric dating
Interglacial climate changes
Cosmogenic isotope Cl-36
Johnston, V.E., Šarc, F., Wątor, K., Otoničar, B. (2024). Hydrogeochemical data from carbonate springs as an aid for delimiting catchment areas in the Rovte region, Central Slovenia. Journal of Hydrology: Regional studies, 56, 102087. https://doi.org/10.1016/j.ejrh.2024.10208
Johnston, V.E., Frisia, S., Borsato, A., Woodhead, J., McDermott, F. (2023). The incorporation of chlorine and cosmogenic 36Cl into speleothem carbonate. Quaternary Research, 1–18. https://doi.org/10.1017/qua.2023.64
Kukuljan, L., Gabrovšek, F., Covington, M.D., Johnston, V.E. (2021). CO2 dynamics and heterogeneity in a cave atmosphere: role of ventilation patterns and airflow pathways. Theoretical and Applied Climatology, 146, 91–109. https://doi.org/10.1007/s00704-021-03722-w
Johnston, V.E., Košir, A., Martín-Pérez, A. (2021). Evaluating carbonate dissolution and precipitation in a short time-frame using SEM: techniques and preliminary results from Postojna Cave, Slovenia. Acta Carsologica. https://doi.org/10.3986/ac.v50i2-3.9788
Kukuljan, L., Gabrovšek, F., Johnston, V.E. (2021). Low-Calcium Cave Dripwaters in a High CO2 Environment: Formation and Development of Corrosion Cups in Postojna Cave, Slovenia. Water. 13, 3184. https://doi.org/10.3390/w13223184
Johnston, V.E., Borsato, A., Frisia, S., Spötl, C., Hellstrom, J.C., Cheng, H., Edwards, R.L. (2021). Last Interglacial hydroclimate in the Italian Prealps reconstructed from speleothem multi-proxy records (Bigonda Cave, NE Italy). Quaternary Science Reviews, 272, 107243. https://doi.org/10.1016/j.quascirev.2021.107243
Johnston, V.E., Martín-Pérez, A., Skok, S., Mulec, J. (2021). Microbially-mediated carbonate dissolution and precipitation; towards a protocol for ex-situ, cave-analogue cultivation experiments. International Journal of Speleology, 50(2), 137–155. https://doi.org/10.5038/1827-806X.50.2.2372
Johnston, V.E., Borsato, A., Frisia, S., Spötl, C., Dublyansky, Y., Töchterle, P., Hellstrom, J.C., Bajo, P., Edwards, R.L., and Cheng, H. (2018). Evidence of thermophilisation and elevation-dependent warming during the Last Interglacial in the Italian Alps. Scientific Reports, 8:2680. DOI:10.1038/s41598-018-21027-3. http://rdcu.be/GwN5
Borsato, A., Johnston, V.E., Frisia, S., Miorandi, R., Corradini, F. (2016). Temperature and altitudinal influence on karst dripwater chemistry: Implications for regional-scale palaeoclimate reconstruction from speleothems. Geochimica et Cosmochimica Acta, 177, 275–297. https://doi.org/10.1016/j.gca.2015.11.043
Johnston, V.E., Borsato, A., Spötl, C., Frisia, S., and Miorandi, R. (2013). Stable isotopes in caves over altitudinal gradients: fractionation behaviour and inferences for speleothem sensitivity to climate change. Climate of the Past, 9, 99–118. https://doi.org/10.5194/cp-9-99-2013