CV
Education
2021- present: Doctor of Philosophy, Earth Sciences, Simon Fraser University
Thesis: Gaussian process emulation of subglacial drainage for model calibration, uncertainty quantification and efficient coupled ice-sheet modelling
Supervisors: Dr. Gwenn Flowers and Dr. Derek Bingham
2019 - 2021 : Master of Mathematics, Applied Mathematics, University of Waterloo
Thesis: Mathematical modelling of supraglacial meltwater production and drainage
Supervisor: Dr. Christine Dow
2014 - 2019: Bachelor of Science, Honours Co-operative Mathematical Physics, University of Waterloo
Research positions
2023/8: Field Assistant, Geological Survey of Canada: Alpine Hazards of Deglaciation in the Joffre Lakes basin
2022/5/2 - 2022/6/7: Field Assistant, SEARCHArctic project, Devon Ice Cap, Nunavut
2019/5 - 2019/9: Research Assistant, Climate Research Division, Environment and Climate Change Canada
2018/5 - 2018/8: Undergraduate Research Assistant, Department of Applied Mathematics, University of Waterloo
2017/9 - 2017/12: Undergraduate Research Assistant, Institute for Quantum Computing, University of Waterloo
2016/9 - 2017/4: Research Assistant, Climate Research Division, Environment and Climate Change Canada
Teaching
2025/1 - 2025/4: Teaching Assistant, Simon Fraser Univeristy
EASC 305: Quantitative methods for Earth Science
2023/1 - 2023/4: Accessible Learning Lab Aid, Center for Accessible Learning, Simon Fraser University
EASC 314: Principles of Glaciology
2020/9 - 2020/12: Teaching Assistant, University of Waterloo
Math 227: Calculus 3 for Honours Physics
Mentorship
2023/4 - 2023/8: Supervisor, Undergraduate Research Assistant
Subglacial hydrology modelling with the Ice-sheet and Sea-level System Model
Leadership
2023/10 - present: Vice-Chair Administration and Finance, APECS Canada
2023/9 - 2025/4: Graduate Student Society Representative, Department of Earth Sciences Graduate Student Caucus
2023/9 - 2025/4: Secretary, Department of Earth Sciences Graduate Student Causes
2020/5 – 2021/9: President, University of Waterloo Outers Club
2019/4 – 2020/4: Executive At Large, University of Waterloo Outers Club
Peer review
2025: Journal of Geophysical Research: Earth Surface, Nature Communications Journal of Glaciology, IASC cryosphere fellowship program
2024: Nature, Journal of Geophysical Research: Earth Surface, Geophysical Research Letters, IASC cryosphere fellowship program
2023: The Cryosphere Geophysical Research Letters
2022: Journal of Glaciology
Scholarships, honours and awards
2024/8: Best oral presentation, IGS model verification symposium
2024/4: Outstanding Reviewer Award, The European Geosciences Union – The Cryosphere
2023/9 - 2025/9: PhD Research Scholarship, Simon Fraser University
2023/5: Northern Scientific Training Program, Polar Knowledge Canada
2022/6: Graduate Research Paper Award, University of Waterloo Department of Applied Mathematics
2022/5: Northern Scientific Training Program, Polar Knowledge Canada
2021/9 - 2024/9: Provost Prize of Distinction, Simon Fraser University
2021/9 - 2024/9: Canada Graduate Scholarship – Doctoral, Natural Sciences and Engineering Research Council of Canada
2021/7: Outstanding Teaching Assistant Award, University of Waterloo Department of Applied Mathematics
2020/9: Joseph Wai-Hung Liu Graduate Scholarship, University of Waterloo Faculty of Math
2020/9: President’s Graduate Scholarship, University of Waterloo
2020/9: Ontario Graduate Scholarship, Government of Ontario
2019/9: President’s Graduate Scholarship, University of Waterloo
2019/9: Canadian Graduate Scholarship – Masters, Natural Sciences and Engineering Research Council of Canada
2019/7: Northern Scientific Training Program, Polar Knowledge Canada
Publications
Hill, T., Flowers, G. E., Bingham, D, Hoffman, M. J. (2025). Emulator-based Bayesian calibration of a subglacial draiange model. Journal of Glaciology, Accepted Manuscript, 1-42. https://doi.org/10.1017/aog.2025.10016
Hill, T., Bingham, D., Flowers, G. E., Hoffman, M. J. (2025). Computationally efficient subglacial drainage modelling Using Gaussian process emulators: GlaDS-GP v1.0. Geoscientific Model Development, 18, 4045-4074. https://doi.org/10.5194/gmd-18-4045-2025
Killingbeck, S. F., Rutishauser, A., Unsworth, M. J., Dubnick, A., Criscitiello, A. S., Killingbeck, J., Dow, C. F., Hill, T., Booth, A.D., Main, B., and Brossier, E. (2024). Misidentified subglacial lake beneath the Devon Ice Cap, Canadian Arctic: a new interpretation from seismic and electromagnetic data The Cryosphere, 18, 3699-3722. https://doi.org/10.5194/tc-18-3699-2024
Hill, T., Flowers, G. E., Hoffman, M. J., Bingham, D. and Werder, M. A. (2024). Improved representation of laminar and turbulent sheet flow in subglacial drainage models. Journal of Glaciology, 70, e24. https://doi.org/10.1017/jog.2023.103
Hill, T. and Dow, C. F. (2023). The impact of surface melt rate and catchment characteristics on Greenland Ice Sheet moulin inputs. The Cryosphere, 17, 2607–2624. https://doi.org/10.5194/tc-17-2607-2023
Hill, T., and Dow, C. F. (2021). Modeling the Dynamics of Supraglacial Rivers and Distributed Meltwater Flow with the Subaerial Drainage System (SaDS) Model. Journal of Geophysical Research: Earth Surface. 126, e2021JF006309. https://doi.org/10.1029/2021JF006309
Hill, T., Dow, C. F., Bash, E. A., and Copland, L. (2021) Application of an improved surface energy balance model to two large valley glaciers in the St. Elias Mountains, Yukon. Journal of Glaciology. 67(262), 297-312. https://doi.org/10.1017/jog.2020.106
Nassar, R., Mastrogiacomo, J. P., Bateman-Hemphill, W., McCracken, C., MacDonald, C. G., Hill, T., O’Dell, C., Kiel, M., & Crisp, D. (2021). Advances in quantifying power plant CO2 emissions with OCO-2. Remote Sensing of Environment, 264, 112579. https://doi.org/10.1016/j.rse.2021.112579
Hill, T., and Nassar, R. (2019) Pixel size and revisit rate requirements for monitoring power plant CO2 emissions from space. Remote Sensing. 11(13), 1608. https://doi.org/10.3390/rs11131608
Nassar, R., Hill, T. G., McLinden, C., Wunch, D., Jones, D., and Crisp, D. (2017) Quantifying CO2 emissions from individual power plants from space. Geophysical Research Letters. 44(19), 10045-10053. https://doi.org/10.1002/2017GL074702
Presentations
Invited
Hill, T.*, Flowers, G., Bingham, D., and Hoffman, M. (2025) Subglacial drainage modelling and Bayesian calibration using Gaussian Process emulators. Oral presentation at the EGU General Assembly, Vienna, Austria EGU25-3771. https://doi.org/10.5194/egusphere-egu25-3771
Primary author
Hill, T.*, Flowers, G., Bingham, D., and Hoffman, M. (2025) Subglacial drainage modelling and Bayesian calibration using Gaussian Process emulators. Seminar at SFU Earth Sciences Research Day, Vancouver, Canada.
Hill, T.*, Flowers, G., Bingham, D., and Hoffman, M. (2024) Gaussian process emulation of subglacial drainage. Oral presentation at the International Symposium on Verification and Validation of Cryospheric Models, Newcastle Upon Tyne, UK.
Hill, T.*, Flowers, G., Hoffman, M., Bingham D., and Weder M. (2023) Improved representation of laminar and turbulent sheet flow in subglacial drainage models. Oral presentation at the AGU Fall Meeting, San Francisco, USA, C51B-08.
Hill, T.*, Flowers, G., Hoffman, M., Bingham D., and Weder M. (2023) Laminar and turbulent subglacial water flow. Oral presentation at the Annual Meeting of the Northwest Glaciologists, Seattle, USA.
Hill, T.*, Flowers, G., Bingham, D., and Hoffman, M. (2023) Reconciling velocity observations and modelled subglacial winter water pressure. Oral presentation at SFU Earth Science Research Day, Vancouver, Canada.
Hill, T.*, Flowers, G., and Bingham, D. (2022) Gaussian process emulation of subglacial drainage. Oral presentation at Annual Meeting of the Northwest Glaciologists 2022, Moscow, USA.
Hill, T.*, and Dow, C. F. (2021) Modeling the Dynamics of Supraglacial Rivers and Distributed Meltwater Flow on the Greenland Ice Sheet With the Subaerial Drainage System (SaDS) Model. Poster presentation at AGU Fall Meeting, New Orleans, USA.
Hill, T.*, and Dow, C. F. (2021) Modelling the Dynamics of Supraglacial Rivers and Distributed Meltwater Flow. Oral presentation at Northwest Glaciologists Annual Meeting, Online.
Hill, T.*, and Dow, C. F. (2021) Modelling glacier melt rates and surface hydrology at the basin scale. Poster presentation at CGU Student Conference 2021, Online.
Hill, T.*, and Dow, C. F. (2020) Modelling the Seasonal Evolution of Supraglacial Hydrology with Natural Stream Development and Dynamic Topography. Oral presentation at AGU Fall Meeting 2020, Online.
Hill, T.*, and Dow, C. F. (2020) Glacier energy balance modelling: Methods and tests on Lowell Glacier. Oral presentation at Glacier Ocean Iceberg (GO-Ice) workshop, Canmore, Canada.
Hill, T.*, and Nassar, R. (2019) Improving power plant CO2 emission estimates from satellites: pixel size, shape, and image averaging. Poster presentation at Carbon Assimilation Workshop, Toronto, Canada.
Contributing author
Killingbeck, S.*, Killingbeck, J., Hill, T., Main, B., Brossier, E., Unsworth, M., Dow, C., Dubnick, A., Criscitiello, A., and Rutishauser, A. (2022) Combined Geophysical Techniques Constrain the Devon Ice Cap, Canadian High Arctic, Subglacial Environment. Oral presentation at AGU Fall Meeting, Chicago, USA, C42B-05.
Siu, K.*, Dow, C. F., Morlighem, M., McCormack, F., and Hill, T. (2022) Modelling Subglacial Hydrology under Future Climate Scenarios in Wilkes Subglacial Basin, Antarctica. Oral presentation at EGU General Assembly, Vienna, Austria, EGU22-424.
Mastrogiacomo, J.-P.*, Nassar, R., Hill, T., Pavlick, R., Nelson, R., O’Dell, C., Eldering, A., and Crisp, D. (2021) Quantifying CO2 Emissions from Smaller Point Sources by Using Multiple OCO-3 Images. Poster presentation at IWGGMS 17, Online.
Nassar, R.*, Mastrogiacomo, J.-P., Bateman-Hemphill, W., McCracken. C., MacDonald, C., Hill, T., O’Dell, C., Nelson, R., Kiel, M., Pavlick, R., Eldering, A., and Crisp, D. (2021) Space-based detection of CO2 emission reductions due to COVID-19 at Europe’s largest fossil fuel power plant and implications for CO2 emission monitoring. Oral presentation at EGU General Assembly, Online, EGU21-8979. https://doi.org/10.5194/egusphere-egu21-8979
Nassar, R.*, Hill, T., McCracken, C., MacDonald, C., Zheng, T., Kiel, M., Nelson, R., Crisp, D. (2019) Quantifying localized anthropogenic CO2 sources from space: Current capabilities and requirements for a policy-relevant monitoring system. Oral presentation at AGU Fall Meeting 2019, San Francisco, USA, A44E-08.
Nassar, R.*, Hill, T., McLinden, C., Wunch, D., Jones, D., and Crisp, D. (2017) Quantifying CO2 emissions from individual power plants using OCO-2 observations. Oral presentation at AGU Fall Meeting 2017, San Francisco, USA.