White, M. E., T. B. Nguyen, I. Koester, M. C. Lardie Gaylord, J. M. Beman, K. L. Smith, A. P. McNichol, S. R. Beaupré, and L. I. Aluwihare (2023), Refractory dissolved organic matter has similar chemical characteristics but different radiocarbon signatures with depth in the marine water column, Global Biogeochemical Cycles, doi:10.1029/2022gb007603.
Druffel, E. R. M., S. R. Beaupré, H. Grotheer, C. B. Lewis, A. P. McNichol, G. Mollenhauer, and B. D. Walker (2022), Marine Organic Carbon and Radiocarbon—Present and Future Challenges, Radiocarbon, 1-17, doi:10.1017/rdc.2021.105.
Stanley, R. H. R., T. Thomas, Y. Gao, C. Gaston, D. Ho, D. Kieber, K. Mackey, N. Meskhidze, W. L. Miller, H. Potter, P. Vlahos, P. Yager, B. Alexander, S. R. Beaupre, S. Craig, G. Cutter, S. Emerson, A. A. Frossard, S. Gasso, B. Haus, W. C. Keene, W. M. Landing, R. H. Moore, D. Ortiz-Suslow, J. Palter, F. Paulot, E. Saltzman, D. Thornton, A. Wozniak, L. Zamora, and H. Benway (2021), US SOLAS Science Plan, doi:10.1575/1912/27821.
Lu, X., and S. Beaupré (2021), Evaluation of the moderate DI13C isotope enrichment method for measuring photochemical mineralization of marine dissolved organic carbon, Limnology and Oceanography: Methods, doi:10.1002/lom3.10450.
Walker, B. D., S. R. Beaupre, S. Griffin, J. Walker, E. Druffel, and X. Xu (2020), A sealed-tube method for offline δ13C analysis of CO2 via a Gas Bench II continuous flow isotope ratio mass spectrometer, Rapid Commun Mass Spectrom, doi:10.1002/rcm.9040.
Beaupré, S. R., B. D. Walker, and E. R. M. Druffel (2020), The two-component model coincidence: Evaluating the validity of marine dissolved organic radiocarbon as a stable-conservative tracer at Station M, Deep Sea Research Part II: Topical Studies in Oceanography, doi:10.1016/j.dsr2.2020.104737.
Mahmoudi, N., T. N. Enke, S. R. Beaupré, A. P. Teske, O. X. Cordero, and A. Pearson (2019), Illuminating microbial species-specific effects on organic matter remineralization in marine sediments, Environmental Microbiology, doi:10.1111/1462-2920.14871.
Beaupré, S. R., D. J. Kieber, W. C. Keene, M. S. Long, J. R. Maben, X. Lu, Y. Zhu, A. A. Frossard, J. D. Kinsey, P. Duplessis, R. Y. W. Chang, and J. Bisgrove (2019). Oceanic efflux of ancient marine dissolved organic carbon in primary marine aerosol. Science Advances, 5(10), doi:10.1126/sciadv.aax6535.
Frossard, A. A., M. S. Long, W. C. Keene, P. Duplessis, J. D. Kinsey, J. R. Maben, D. J. Kieber, R. Y. W. Chang, S. R. Beaupré, R. C. Cohen, X. Lu, J. Bisgrove, and Y. Zhu (2019), Marine aerosol production via detrainment of bubble plumes generated in natural seawater with a forced‐air venturi, Journal of Geophysical Research: Atmospheres, 124(20), 10931-10950, doi:10.1029/2019jd030299.
Frossard, A., V. M. F. Gerard, P. Duplessis, J. D. Kinsey, X. Lu, Y. Zhu, J. Bisgrove, J. R. Maben, M. S. Long, R. Chang, S. R. Beaupre, D. J. Kieber, W. C. Keene, B. Noziere, and R. C. Cohen (2019), Properties of seawater surfactants associated with primary marine aerosol particles produced by bursting bubbles at a model air-sea interface, Environmental Science & Technology, 3(16), 9407-9417, doi:10.1021/acs.est.9b02637.
Lu, X., and S. R. Beaupré (2019), Optimized volume determinations and uncertainties for accurate and precise manometry, Radiocarbon, 61(4), 1077-1089, doi:10.1017/RDC.2019.43.
Walker, B. D., S. R. Beaupré, S. Griffin, and E. R. M. Druffel (2019). UV photochemical oxidation and extraction of marine dissolved organic carbon at UC Irvine: status, surprises, and methodological recommendations. Radiocarbon, 61(5), 1-15, doi:10.1017/RDC.2019.9.
Beaupré, S.R. (2019). Radiocarbon-Based Insights into the Biogeochemical Cycles of Marine Dissolved and Particulate Organic Carbon. Encyclopedia of Ocean Sciences, eds Cochran, J.K., Bokuniewicz, H., & Yager, P. (Academic Press), 3rd Ed. doi:10.1016/B978-0-12-409548-9.09522-1
Taylor, G. T., Suter, E. A., Li, Z. Q., Chow, S., Stinton, D., Zaliznyak, T., and Beaupré, S. R. (2017). Single-Cell Growth Rates in Photoautotrophic Populations Measured by Stable Isotope Probing and Resonance Raman Microspectrometry. Frontiers in Microbiology, 8, 1-16. doi:10.3389/fmicb.2017.01449
Mahmoudi, N., Beaupré, S. R., Steen, A. D., & Pearson, A. (2017). Sequential bioavailability of sedimentary organic matter to heterotrophic bacteria. Environmental Microbiology, 19(7), 2629-2644. doi:10.1111/1462-2920.13745
Walker, B. D., Beaupré, S. R., Guilderson, T. P., McCarthy, M. D., & Druffel, E. R. M. (2016). Pacific carbon cycling constrained by organic matter size, age and composition relationships. Nature Geoscience. 9(12), 888-891. doi:10.1038/ngeo2830
Walker, B. D., Primeau, F. W., Beaupré, S. R., Guilderson, T. P., Druffel, E. R. M., & McCarthy, M. D. (2016). Linked changes in marine dissolved organic carbon molecular size and radiocarbon age. Geophysical Research Letters. 43(19), 10385-10393. doi:10.1002/2016GL070359
Beaupré, S. R., Mahmoudi, N., & Pearson, A. (2016). IsoCaRB: A novel bioreactor system to characterize the lability and natural carbon isotopic (14C, 13C) signatures of microbially respired organic matter. Limnology and Oceanography: Methods, 14(10), 668-681. doi:10.1002/lom3.10121
Trumbore, S. E., Xu, X., Santos, G. M., Czimczik, C. I., Beaupré, S. R., Pack, M. A., et al. (2016). Preparation for Radiocarbon Analysis. In E. A. G. Schuur, E. Druffel, & S. E. Trumbore (Eds.), Radiocarbon and Climate Change (1st ed., pp. 279–315). Cham: Springer International Publishing. doi:10.1007/978-3-319-25643-6_9
Druffel, E. R. M., Beaupré, S. R., & Ziolkowski, L. A. (2016). Radiocarbon in the Oceans. In E. A. G. Schuur, E. R. M. Druffel, & S. E. Trumbore (Eds.), Radiocarbon and Climate Change (1st ed., pp. 139–166). Springer International Publishing. doi:10.1007/978-3-319-25643-6_5
Soulet, G., Skinner, L. C., Beaupré, S. R., & Galy, V. (2016). A Note on Reporting of Reservoir 14C Disequilibria and Age Offsets. Radiocarbon, 58(1), 205–211. doi:10.1017/RDC.2015.22
Beaupré, S. R. (2015). Chemical oceanography: The ocean’s pressure cooker. Nature Geoscience, 8, 820–821. doi:10.1038/ngeo2562
Beaupré, S. R., M. L. Roberts, J. R. Burton, and R. E. Summons (2015). Rapid, high-resolution 14C chronology of ooids. Geochimica et Cosmochimica Acta, 159, 126-138. doi:1016/j.gca.2015.03.009
Beaupré, S. R. (2015). The Carbon Isotopic Composition of Marine DOC. In D. A. Hansell & C. A. Carlson (Eds.), Biogeochemistry of Marine Dissolved Organic Matter (2nd ed., pp. 335–368). San Diego, CA: Academic Press. doi:10.1016/B978-0-12-405940-5.00006-6
Plante, A. F., Beaupré, S. R., Roberts, M. L., & Baisden, T. (2013). Distribution of radiocarbon ages in soil organic matter by thermal fractionation. Radiocarbon, 55(2–3), 1077–1083. doi:10.1017/S0033822200058215
Roberts, M., Beaupré, S. R., & Burton, J. R. (2013). A High-Throughput, Low-Cost Method for Analysis of Carbonate Samples for 14C. Radiocarbon, 55(2–3), 585–592. doi:10.1017/S0033822200057726
Roberts, M. L., Reden, von, K. F., Burton, J. R., McIntyre, C. P., & Beaupré, S. R. (2013). A gas-accepting ion source for Accelerator Mass Spectrometry: Progress and applications. Nuclear Instruments & Methods in Physics Research, Section B – Beam Interactions with Materials and Atoms, 294, 296–299. doi:10.1016/j.nimb.2011.10.016
Longworth, B. E., Robinson, L. F., Roberts, M. L., Beaupré, S. R., Burke, A., & Jenkins, W. J. (2013). Carbonate as sputter target material for rapid 14C AMS. Nuclear Instruments & Methods in Physics Research, Section B – Beam Interactions with Materials and Atoms, 294(0), 328–334. doi:10.1016/j.nimb.2012.05.014
Beaupré, S. R., & Druffel, E. R. M. (2012). Photochemical reactivity of ancient marine dissolved organic carbon. Geophysical Research Letters, 39(L18602), 1–5. doi:10.1029/2012GL052974
von Reden, K. F., Roberts, M. L., Burton, J. R., & Beaupré, S. R. (2012). Optimizing a microwave gas ion source for continuous-flow accelerator mass spectrometry. Review of Scientific Instruments, 83(2), 02B304. doi:10.1063/1.3656408
Beaupré, S. R. (2012), Low-friction glass-encased magnetic stir bars, Fusion, Journal of the American Scientific Glassblowers Society, 51(3), 31-35.
McCarthy, M., Beaupré, S. R., Walker, B. D., Voparil, I., Guilderson, T. P., & Druffel, E. R. M. (2011). Chemosynthetic origin of 14C-depleted dissolved organic matter in a ridge-flank hydrothermal system. Nature Geoscience, 4, 32–36. doi:10.1038/ngeo1015
Walker, B. D., Beaupré, S. R., & Guilderson, T. P. (2011). Large-volume ultrafiltration for the study of radiocarbon signatures and size vs. age relationships in marine dissolved organic matter. Geochimica et Cosmochimica Acta, 75(18), 5187–5202. doi:10.1016/j.gca.2011.06.015
Beaupré, S. R., & Aluwihare, L. (2010). Constraining the 2-component model of marine dissolved organic radiocarbon. Deep-Sea Research II, 57(16), 1494–1503. doi:10.1016/j.dsr2.2010.02.017
Burd, A. B., D. A. Hansell, D. K. Steinberg, T. R. Anderson, J. Arístegui, F. Baltar, R. Beaupré, K. O. Beusseler, F. DeHairs, G. A. Jackson, D. Kadko, R. Koppelmann, R. S. Lampitt, T. Nagata, T. Reinthaler, C. Robinson, B. Robison, C. Tamburini, and T. Tanaka (2010). Assessing the apparent imbalance between geochemical and biochemical indicators of meso- and bathypelagic biological activity: What the @$#! is wrong with present calculations of carbon budgets? Deep-Sea Research II, 57(16), 1557–1571. doi:10.1016/j.dsr2.2010.02.022
Druffel, E. R. M., Beaupré, S. R., Griffin, S., & Hwang, J. (2010). Variability of dissolved inorganic radiocarbon at a surface site in the northeast Pacific Ocean. Radiocarbon, 52(2-3), 1150–1165. doi:10.1017/S0033822200046221
Griffin, S., Beaupré, S. R., & Druffel, E. R. M. (2010). An alternate method of diluting dissolved organic carbon seawater samples for 14C analysis. Radiocarbon, 52(2-3), 1224–1229. doi:10.1017/S0033822200046300
Beaupré, S. R., & Druffel, E. R. M. (2009). Constraining the propagation of bomb-radiocarbon through the dissolved organic carbon (DOC) pool in the northeast Pacific Ocean. Deep Sea Research Part I: Oceanographic Research Papers, 56(10), 1717–1726. doi:10.1016/j.dsr.2009.05.008
Druffel, E. R. M., Bauer, J. E., Griffin, S., Beaupré, S. R., & Hwang, J. (2008). Dissolved inorganic radiocarbon in the North Pacific Ocean and Sargasso Sea. Deep-Sea Research I, 55(4), 451–459. doi:10.1016/j.dsr.2007.12.007
Beaupré, S. R., Druffel, E. R. M., & Griffin, S. (2007). A low-blank photochemical extraction system for concentration and isotopic analyses of marine dissolved organic carbon. Limnology and Oceanography: Methods, 5(6), 174–184. doi:10.4319/lom.2007.5.174
Druffel, E. R. M., Griffin, S., Beaupré, S. R., & Dunbar, R. B. (2007). Oceanic climate and circulation changes during the past four centuries from radiocarbon in corals. Geophysical Research Letters, 34(L09601), 1–4. doi:10.1029/2006GL028681
Santos, G. M., Southon, J. R., Griffin, S., Beaupré, S. R., & Druffel, E. R. M. (2007). Ultra small-mass AMS 14C sample preparation and analyses at KCCAMS/UCI Facility. Nuclear Instruments & Methods in Physics Research, Section B – Beam Interactions with Materials and Atoms, 259(1), 293–302. doi:10.1016/j.nimb.2007.01.172
Druffel, E. R. M., Griffin, S., Hwang, J., Komada, T., Beaupré, S. R., Druffel-Rodriguez, K. C., et al. (2004). Variability of monthly radiocarbon during the 1760s in corals from the galapagos islands. Radiocarbon, 46(2), 627–631–631. doi:10.1017/S0033822200035670