Projects per year
Personal profile
Research interests
My research uses physical, chemical, and biological characteristics of lake sediments to reconstruct environmental change. Thus far, this research has centered on two themes: 1) reconstructing paleoenvironmental conditions in the Laurentian Great Lakes region (GLR) during the late Quaternary and Holocene, and 2) characterizing modern lacustrine systems in the Uinta Mountains, Utah (USA). Understanding how rapid climate change will alter temperature and precipitation in the GLR is difficult for two reasons: 1) climate in this region is influenced by at least five different air masses; and 2) the Great Lakes modify climate in the GLR. My research provides 900- to 14 000-year paleoclimate records from lakes that may inform future climate models by quantifying past variability in the climate system. My research in the Uinta mountains focuses on remote, nutrient-poor, high-elevation (>3000 m) lakes. Since these lakes are isolated from local disturbances like land clearance, they are uniquely suitable for studying the effects of rapid climate change on small lacustrine systems. So far, my research in the Uinta Mountains has focused on improving the geochemical tools that researchers use to reconstruct environmental change in this unique area. First, I worked with two researchers to understand whether yearly fish stocking is increasing primary production in these small lakes, potentially confounding signals of rapid climate change. Next, I led a study that employed compound-specific isotopic analysis to help trace carbon pathways from the terrestrial environment to Uinta Mountain lakes. In the future, I hope to expand my research capabilities by focusing on older time periods and/or regions outside of North America.
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Projects
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Research output
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A continuous, centennial-scale lake record from southern Iberia captures fluctuations in effective moisture and temperature throughout the EemianMarta
Doyle, R., Marchegiano, M., Peral, M., Goderis, S., García-Alix, A., Jiménez-Moreno, G., Camuera, J., López-Avilés, A. & Claeys, P., 26 Feb 2023, EGU General Assembly Conference Abstracts. 2023 ed. European Geosciences Union (EGU), p. 1-1 1 p. 17339Research output: Chapter in Book/Report/Conference proceeding › Meeting abstract (Book)
Open Access -
An isotope, elemental, and n-alkane baseline for organic matter sources in sediments of high-altitude lakes in the Uinta Mountains, Utah, USA
Doyle, R. M., Longstaffe, F. J. & Moser, K. A., Feb 2023, In: Journal of Paleolimnology. 69, 2, p. 123-139 17 p.Research output: Contribution to journal › Article › peer-review
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65. A novel ostracod record from Lake Simcoe (Canada) tracks inputs of glacial meltwater, relative temperature changes, and sources of inorganic carbon throughout the last ~14 000 years
Doyle, R., Bumstead, N., Lewis, C. F. M. & Longstaffe, F., 24 Jul 2022, The 12th International Geochemistry of the Earth's Surface Symposium (GES12). ZenodoResearch output: Chapter in Book/Report/Conference proceeding › Conference paper
Open Access -
65. A novel ostracod record from Lake Simcoe (Canada) tracks inputs of glacial meltwater, relative temperature changes, and sources of inorganic carbon throughout the last ~14 000 years
Doyle, R., Bumstead, N., Lewis, C. F. M. & Longstaffe, F., 2022.Research output: Unpublished contribution to conference › Poster
Open Access -
A new ostracod record from Lake Simcoe, Canada, sheds light on the meltwater pathways of glacial lakes in the Laurentian Great Lakes basin
Doyle, R., Bumstead, N., Lewis, C. F. M. & Longstaffe, F., Dec 2022, IAL-IPA 2022 Lakes, memories of the territory. p. 231 231 p.Research output: Chapter in Book/Report/Conference proceeding › Conference paper
Open Access
Datasets
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Geochemical and isotopic analyses of a ~14 000 year old sediment core collected from Lake Simcoe, Canada
Doyle, R. (Creator), Bumstead, N. (Creator), Lewis, C. F. M. (Creator) & Longstaffe, F. J. (Creator), Zenodo, 2022
Dataset