* student or postdoctoral author
2025
Chu, Mengfan, Rui Bao, Michael Strasser, Ken Ikehara, Yang Ding, Kejian Liu, Mingzhi Liu, Li Xu, Yonghong Wang, Piero Bellanova, Troy Rasbury, Martin Koelling, Natascha Riedinger, Min Luo, Christian März, Kana Jitsuno, Zhirong Cai, Cecilia McHugh, Ronnie N. Glud, Ellen Druffel (2025). Unrecognized dissolved organic carbon sink in the west Pacific hadal zones. Nature Communications, https://doi.org/10.1038/s41467-025-55883-1
Williams, B. S., Barnes, M. Knaak, E.R.M. Druffel, M. McCarthy, G. Pugsley, N. Vokhshoori, J. Fiechter, J. P. Etnoyer and C. Caldow (2025). Gorgonian corals reveal heterogeneity in changing Southern California oceanography. Marine Environmental Research, 204, https://doi.org/10.1016/j.marenvres.2025.106954.
2024
Lewis, C.B., B.D. Walker and E.R.M. Druffel (2024). Stable carbon isotopic composition of dissolved organic matter reveals selective microbial remineralization in the global ocean, Geophysical Research Letters, 10.1029/2023GL107684.
Coppola, A.I., E.R.M. Druffel, T.A. Broek, N. Haghipour, T.I. Eglinton, M. McCarthy and B.D. Walker (2024). Variable ageing and storage of marine dissolved black carbon, PNAS doi/10.1073/pnas.2305030121.
2023
Paterne, M., E.R.M. Druffel, T.P. Guilderson, D. Blamart, C. Moreau, J. Accardo and N. Feuillet (2023). Pulses of South Atlantic Water into the tropical North Atlantic since 1825 from coral isotopes, Science Advances, 9, eadi1687 15 December 2023.
Rhu, Y., H. Han, T. Na, G. Kim, E.R.M. Druffel and J. Hwang (2023). Transport of aged dissolved organic carbon along the surface current revealed by 14C analysis in the East Sea (Japan Sea). Geophysical Research Letters, 10.1029/2023GL105296.
Druffel, E.R.M., * C.B. Lewis, S. Griffin, * A. Flaherty, * N.E. Hauksson, R.M. Key, A.P McNichol, M. Rudresh, J. Hwang and B.D. Walker (2023). Dissolved organic radiocarbon in the western Indian Ocean, Geophysical Research Letters doi/10.1029/2023GL104732.
* Hauksson, N.E., S. Griffin, X. Xu, S. Pedron, H.A. Martinez De La Torre, * Christian B. Lewis, K. Thomas, and E.R.M. Druffel. Long term time series of surface water dissolved inorganic carbon isotopes from the Southern California Bight, Radiocarbon https://doi.org/10.1002/lno.12403.
* Hauksson, N.E., * C.B. Lewis, T. Komada and E.R.M. Druffel. Effect of marine sediment on the solubility and isotopic content of riverine dissolved organic carbon, Limnology & Oceanography, in press.
2022
Fu, Wenjing, Y. Qi, X, Xu, E.R.M. Druffel, X. Wang,L. Ding, S. Shan, S. Sun and D. Fan. Carbon isotopic constraints on the cycling and sequestration of organic matter in rivers influence marginal sea sediments. Limnology & Oceanography, 67, 2022, S61–S75 doi: 10.1002/lno.12070.
Druffel, E.R.M., S.R. Beaupré, H. Grotheer, * C.B. Lewis, A.P. McNichol, G. Mollenhauer and B.D. Walker. Marine Organic Carbon and Radiocarbon – Present and Future Challenges, Radiocarbon 64(4), 705–721 doi:10.1017/RDC.2021.105.
2021
*Lewis, C.B., B.D. Walker and E.R.M. Druffel (2021). Constraining the cycling of global solid-phase extracted dissolved organic carbon using radiocarbon measurements, Geophysical Research Lettersdoi:10.1029/2020GL090995
Druffel, E.R.M., S. Griffin, *C.B. Lewis, *M. Rudresh, *N.G. Garcia, R.M. Key, A.P. McNichol, *N. Hauksson and B.D. Walker. Dissolved organic radiocarbon in the eastern Pacific and Southern Oceans. Geophysical Research Letters, in press.
Guilderson, T.P., D.P. Schrag, E.R.M. Druffel and R.W. Reimer.Post-Bomb Subtropical North Pacific Surface Water Radiocarbon History. Journal of Geophysical Research Oceans, http://dx.doi.org/10.1029/2020JC016881
Walker, B.D., S. R. Beaupré, S. Griffin, J. Walker, E.R.M. Druffel, X. Xu, A sealed-tube method for offline d13C analysis of CO2via a Gas Bench II continuous flow IRMS. Rapid Communications in Mass Spectrometry, 35(7), e9040.
2020
Choy, E., K. Watanabe, B. Williams, R. Stone, P. Etnoyer, E. Druffel, T. Lorenson, and M. Knaak (2020). Understanding growth and age of red tree corals (Primnoa pacifica) in the North Pacific Ocean. PLOS ONE https://doi.org/10.1371/journal.pone.0241692.
M. Kim, J. Hwang, T.I. Eglington and E.R.M. Druffel. Lateral particle supply as a key vector in the oceanic carbon cycle, Global Biogeochemical Cycles, doi.org/10.1029/2020GB006544
Fu, W., Y. Qi, X. Wang, E. R.M. Druffel, Xiaomei Xu, Yanguang Liu, Xuefa Shi, Peng Ren, Chunle Luo, Sen Dan, Shuwen Sun and Di Fan (2020). Production of Ancient Dissolved Organic Carbon in Arctic Ocean Sediment: A Pathway of Carbon Cycling in the Extreme Environment, Geophysical Research Letters, 47 (5), 10.1029/2020GL087119.
Beaupré, S.R., B.D. Walker and E.R.M. Druffel. The two–component model coincidence: Evaluating the validity of marine dissolved organic radiocarbon as a stable–conservative tracer at Station M, Deep-Sea Research II, 173 104737.
Fang, L., S.H. Lee, S.A. Lee, D Hahm, G Kim, E.R.M Druffel and J. Hwang (2020). Removal of refractory Dissolved organic carbon in the Amundsen Sea, Antarctica. NatureScientific Reports, 10, doi:10.1038/s41598-020-57870-6.
Lewis, C.B., B.D. Walker and E R.M. Druffel (2020).Chemical and isotopic heterogeneity along the marine dissolved organic matter hydrophobicity continuum, Marine Chemistry, doi.org/10.1016/j.marchem.2020.103752