Personal profile
Research interests
Research Topics:
Marine Biogeochemistry, Chemical kinetics of natural organic matter, radiocarbon analyses
Research interests
Dr. Beaupré’s research constrains the ocean’s role in Earth’s climate system by examining the marine component of the global carbon cycle. Specifically, he investigates the provenance and reactivity of organic carbon in the sea by coupling radiocarbon (14C) dating with chemical analyses. His work has appeared in Nature Geoscience, Geophysical Research Letters, Nuclear Instruments and Methods in Physics Research, and Fusion: Journal of the American Scientific Glassblowers Society, and he has contributed several textbook chapters on carbon isotopes in the sea.
Study areas include:
- Biogeochemistry of marine dissolved and particulate organic matter (DOM, POM), dissolved inorganic carbon (DIC), sediments, and primary marine aerosol; terrestrial soils
- Reaction analyses (photochemical, thermal, biological, acid/base mineralization) and rapid characterization of complex mixtures (DOM, POM, sediments) with coarse chemical-, isotopic-, and kinetic- spectra
- Instrumental and methodological development; radiocarbon analyses
Related documents
Education/Academic qualification
PhD, University of California at Irvine
2007
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Collaborations and top research areas from the last five years
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Collaborative Research: Coupled Ocean-Atmosphere Recycling of Refractory Dissolved Organic Carbon in Seawater
Beaupre, S. (PI)
09/1/15 → 12/31/18
Project: Research
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Microplastic contaminants potentially distort our understanding of the ocean's carbon cycle
Medina Faull, L. E., Taylor, G. T. & Beaupré, S. R., Oct 2025, In: PLoS ONE. 20, 10 October, e0334546.Research output: Contribution to journal › Article › peer-review
Open Access -
Refractory Dissolved Organic Matter has Similar Chemical Characteristics but Different Radiocarbon Signatures With Depth in the Marine Water Column
White, M. E., Nguyen, T. B., Koester, I., Lardie Gaylord, M. C., Beman, J. M., Smith, K. L., McNichol, A. P., Beaupré, S. R. & Aluwihare, L. I., Apr 2023, In: Global Biogeochemical Cycles. 37, 4, e2022GB007603.Research output: Contribution to journal › Article › peer-review
Open Access14 Scopus citations -
MARINE ORGANIC CARBON AND RADIOCARBON - PRESENT AND FUTURE CHALLENGES
Druffel, E. R. M., Beaupré, S. R., Grotheer, H., Lewis, C. B., McNichol, A. P., Mollenhauer, G. & Walker, B. D., Aug 25 2022, In: Radiocarbon. 64, 4, p. 705-721 17 p.Research output: Contribution to journal › Review article › peer-review
Open Access14 Scopus citations -
A sealed-tube method for offline δ13C analysis of CO2 via a Gas Bench II continuous-flow isotope ratio mass spectrometer
Walker, B. D., Beaupré, S. R., Griffin, S., Walker, J., Druffel, E. & Xu, X., Apr 15 2021, In: Rapid Communications in Mass Spectrometry. 35, 7, e9040.Research output: Contribution to journal › Article › peer-review
3 Scopus citations -
Evaluation of the moderate DI13C isotope enrichment method for measuring photochemical mineralization of marine dissolved organic carbon
Lu, X. & Beaupré, S., Sep 2021, In: Limnology and Oceanography: Methods. 19, 9, p. 651-658 8 p.Research output: Contribution to journal › Article › peer-review
1 Scopus citations