DRUFFEL LAB:                Publications since 2003

* Ziolkowski, L. and E.R.M. Druffel, (2009). Detection of carbon nanotubes using the benzene polycarboxylic acid method, Marine Pollution Bulletin, in press. [pdf].

* Beaupre, S.R. and E.R.M. Druffel, (2009). Time series of marine dissolved organic carbon in the northeast Pacific Ocean, Deep-Sea Research, in press. 

* Drenzek, Nicholas J., Konrad A. Hughen, Daniel B. Montlucon, John R. Southon, Guaciara M. dos Santos, Ellen R. M. Druffel, Liviu Giosan, and Timothy I. Eglinton (2009), A new look at old carbon in active margin sediments, Geology, 37, 239-242; doi 10.1130/G25351A.1. [pdf]

* Hansman, R., S. Griffin, J. Watson, E. Druffel, A. Ingalls, A. Pearson, and A. Aluwihare, (2009). The radiocarbon signature of microorganisms in the mesopelagic ocean, Proceedings of the National Academy of Science, 106, 6513–6518. [pdf].

Druffel, E.R.M., J.E. Bauer, S. Griffin,  * S.R. Beaupre, * J. Hwang (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 [pdf]

Druffel, E.R.M., LF. Robinson, S. Griffin, R. Halley, J. Southon and J.F. Adkins (2008). Low reservoir ages for the surface ocean from mid-Holocene Florida corals, Paleoceanography, doi:10.1029/2007PA001527. [pdf]

Druffel, E.R.M. and S. Griffin (2008). Daily variability of dissolved inorganic radiocarbon at three sites in the surface ocean, Marine Chemistry, 110, 185-189. [pdf]

Santos, G.M., J.R. Southon, S. Griffin, * S.R. Beaupre and E.R.M. Druffel (2007). Ultra small-mass 14C-AMS sample preparation and analyses at KCCAMS Facility, Nuclear Instrumentation and Methods in Physics Research B, 259, 293-302. [pdf]

Druffel, E.R.M., S. Griffin, S. R. Beaupre and R. B. Dunbar (2007). Oceanic climate and circulation changes during the past four centuries from radiocarbon in corals, Geophysical Research Letters, 34, doi:10.1029/2006GL028681. [pdf]

* Beaupre, S.R., E.R.M. Druffel and S. Griffin (2007).  A low-blank photochemical extraction system for concentration and isotopic analyses of marine dissolved organic carbon, Limnology and Oceanography: Methods, 5, 174-184. [pdf]

* McDuffee, K. and E.R.M. Druffel, (2007). Daily variability of dissolved inorganic radiocarbon in Sargasso Sea surface water, Marine Chemistry, 106, 513-518. [pdf]

* Hwang, J., E.R.M. Druffel, and J.E. Bauer (2006). Incorporation of aged dissolved organic carbon (DOC) onto oceanic particulate organic carbon (POC): an experimental approach using carbon isotopes, Marine Chemistry, 98, 315-322. [pdf]

Ingalls, A.E., S.R. Shah, R.L. Hansman, L.I. Aluwihare, G.M. Santos, E.R.M. Druffel, A. Pearson (2006). Quantifying archaeal community autotrophy in the mesopelagic ocean using natural radiocarbon. Proceedings of the National Academy of Sciences, 103 (17), 6442-6447. [pdf]

* Hwang, J. and E.R.M. Druffel, T.I. Eglinton, and D.J. Repeta (2006). Source(s) and cycling of the non-hydrolyzable organic fraction of oceanic particles, Geochim. Cosmochim. Acta, doi:10.1016/j.gca.2006.07.020.  [pdf]

* Hwang, J. and E.R.M. Druffel, (2006) Carbon isotope ratios of organic compound fractions in oceanic suspended particles, Geophysical Research Letters, 33, L23610, doi:10.1029/2006GL027928. [pdf]

Druffel, E.R.M., J.E. Bauer and S. Griffin (2005).  Input of particulate organic and dissolved inorganic carbon from the Amazon to the Atlantic Ocean, Geochemistry, Geophysics and Geosystems, 6(3), Q03009, doi:10.1029/2004GC000842. [pdf]

* Hwang, J. and E.R.M. Druffel (2005). Blank correction for ∆14C measurements in organic compound classes of oceanic particulate organic carbon, Radiocarbon, 47 (1), 75–87. [pdf]

* Komada, T., E.R.M. Druffel and * J. Hwang (2005), Sedimentary rocks as sources of ancient organic carbon to the ocean: An investigation through ∆14C and δ13C signatures of compound classes, Global Biogeochemical Cycles, 19, GB2017, doi:10.1029/2004GB002347. [pdf]

* Hwang, J., E.R.M. Druffel, and * T. Komada (2005). Transport of organic carbon from the California coast to the slope region: A study of ∆14C and δ13C signatures of organic compound classes, Global Biogeochemical Cycles, 19, GB2018, doi:10.1029/2004GB002422. [pdf]

J. Southon, G.M. Santos, E.R.M. Druffel, S. Griffin, S.E. Trumbore and X. Xu (2005). High throughput, high precision 14C AMS with a small accelerator. International Symposium on Utilization of Accelerators, Dubrovnik, Croatia, 05-09 June 2005. IAEA-CN-115-10. [pdf]

* Komada, T., E. R. M. Druffel, S. E. Trumbore, (2004) Oceanic export of relict carbon by small mountainous rivers.  Geophysical Research Letters, 31 (7) 7504, doi:10.1029/2004GL019512. [pdf]

* Hwang, J., E.R.M. Druffel, S. Griffin, K.L. Smith, Jr., R.J. Baldwin, J.E. Bauer (2004). Temporal variability of ∆14C and δ13C in sinking POC at a deep time-series station in the Northeast Pacific Ocean, Global Biogeochemical Cycles, 18, GB4015, doi:10.1029/2004GB002221. [pdf]

* Loh, A.N., J.E. Bauer and E.R.M. Druffel (2004). Variable aging and storage of dissolved organic components in the open ocean, Nature, 430 (7002) 877-881. [pdf]

Southon, J.R. M. Santos, * K.C. Druffel-Rodriguez, E.R.M. Druffel, S.E. Trumbore, X. Xu, S. Griffin; * S. Ali; * M. Mazon (2004). The Keck Carbon Cycle AMS Laboratory, U.C.I.: Initial operation and a background surprise. Radiocarbon, 46 (1), 41-50. [pdf]

Druffel, E.R.M, S. Griffin, * J. Hwang, * T. Komada, * S.R. Beaupre, * K.C. Druffel-Rodriguez, G.M. Santos and J. Southon (2004) Variability of radiocarbon during the 1760s in monthly corals from the Galapagos Islands, Radiocarbon, 46 (2), 627-632. [pdf]

Druffel, E.R.M, (2004). Comments on the importance of black carbon in the global carbon cycle, Marine Chemistry, 92, 197-200. [pdf]

* Masiello, C.A. and E.R.M. Druffel (2003) Organic and black carbon 13C and 14C through the Santa Monica Basin sediment oxic-anoxic transition, Geophysical Research Letters, 30 (4), 1185, doi:10.1029/2002GL15050. [pdf]

Ingalls, A.E., C. Lee and E.R.M. Druffel (2003) Preservation of organic matter in mound-forming coral skeletons, Geochimica et Cosmochimica Acta  67 (15), 2827-2841. [pdf]

* Hwang, J and E.R.M. Druffel (2003).  Lipid-like material as the source of the uncharacterized organic carbon in the ocean?  Science 299, 881-884. [pdf]

Druffel, E.R.M., J.E. Bauer, S. Griffin and * J. Hwang, (2003) Penetration of anthropogenic carbon into organic particles of the deep ocean, Geophysical Research Letters, 30, 14, 1744, doi:10.1029/2003GL017423. [pdf]

* Grottoli, A., S. Gille, E.R.M. Druffel and R. Dunbar (2003).  Decadal timescale shift in the radiocarbon record of a central equatorial Pacific coral, Radiocarbon, 45, 91-99. [pdf]

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