Volcanology Research Group
Earth and Planetary Sciences, McGill University

Fiona D’Arcy

Ph.D. Student

email: fiona.darcy@mail.mcgill.ca

I’m Fiona - volcanologist in training, science communicator, and enthusiast of all things earth and environment. I hail from Toronto, Ontario where I was lucky to attend the Ontario Science Centre Science School https://www.ontariosciencecentre.ca/School/ScienceSchool/ and learned how to share my scientific curiosity with others. My alma maters include the University of Ottawa (BSc Geology 2015), the University of Iceland (exchange semester 2013), McGill University (MSc Volcanology 2018), and the University of Alaska Fairbanks (Field volcanology course abroad 2016). I am currently pursuing a PhD on volcanic gases and wacky isotopes at volcanoes in Costa Rica and Italy. I am a 2019 Vanier Scholar http://www.vanier.gc.ca/en/home-accueil.html and I‚Äôm proud to share my knowledge in both official languages through my current volunteer work at the Canadian Museum of Nature in my adoptive city of Ottawa! Follow me on twitter @Fiery_Fiona

A little more about my research:

My research focuses on how we can interpret changes in volcanic gas chemistry to understand volcanic systems. I am particularly interested in carbon dioxide, as this is one of the most common yet sensitive components of volcanic gas. However, it can be challenging to collect volcanic gas samples. In my PhD, I will measure changes in carbon dioxide composition in detail in order to forecast magmatic changes at highly dynamic volcanoes. To do this, I am developing a remote-controlled sampling assembly to safely capture a gas sample from within a volcanic plume using a drone. I will examine the unique chemical signature (isotopic composition) of the carbon dioxide in these gas samples and compare this with other records of volcanic carbon dioxide fluxes, such as those measured by satellite and indirect proxies such as tree rings. The overall aim of this work is to develop techniques to improve eruption forecasting for local observatories

from:   Toronto, Canada

Profile: Standing on the rim of Hverfell crater, Iceland, near Kraffla volcano, Iceland

El tatio geysers- Somewhere in the Andes above the Atacama desert, Chile 2015

Ice crystallizing on vesicular basalt- Hekla volcano, Iceland 2013

Trapping CO2 in a vacuum line in the lab using liquid N2, Ottawa, Ontario 2014

Surrounded by volcanoes at Laguna Colorada, Bolivia 2015

Geothermal water and steam sampling- Reykholt, Iceland 2013

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