Dr. Claudia Frey - Publications
(15) Einbock, A., Burtscher E., Frey C., Conen F. (2023) Export of ice-nucleating particles from watersheds: results from the Amazon and Tocantins river plumes Royal Society Open Science. (10) 220878.220878 http://doi.org/10.1098/rsos.220878
(14) Frey, C., Xi. Sun, L. Szemberski, K. L. Casciotti, E. Garcia-Robledo, A. Jayakumar, C.L. Kelly, M.F. Lehmann, and Bess B. Ward (2023). Kinetics of nitrous oxide production from ammonia oxidation in the Eastern Tropical North Pacific. Limnology and Oceanography; Vol. 68, 424-438; https://doi.org/10.1002/lno.12283
(13) Tischer, J. , J. Zopfi, C. Frey, P. M. Magyar, A. Brand, K. Oswald, C. Jegge, C.H. Frame, M. R. Miracle, X. Sòria-Perpinyà, E. Vicente and M.F. Lehmann (2022). Isotopic signatures of biotic and abiotic N2O production and consumption in the water column of meromictic, ferruginous Lake La Cruz (Spain). Limnology and Oceanography; Vol. 67, 1760-1775; https://doi.org/10.1002/lno.12165
(12) Visser, A.-N., S.D. Wankel, C. Frey, A. Kappler and M. F. Lehmann (2022). Unchanged nitrate and nitrite isotope fractionation during heterotrophic and Fe(II)-mixotrophic denitrification suggest a nonenzymatic link between denitrification and Fe(II) oxidation. In press Frontiers in Microbiology - Microbiological Chemistry and Geomicrobiology
(11) Frey, C., Xi. Sun, L. Szemberski, K. L. Casciotti, E. Garcia-Robledo, A. Jayakumar, C.L. Kelly, M.F. Lehmann, and Bess B. Ward. Nitrous oxide production kinetics from ammonia oxidation in the Eastern Tropical North Pacific. Submitted Limnology and Oceanography. 2021
(10) Bourbonnais*, A., Frey*, C., Sun, X., Bristow, L. A., Jayakumar, A., Ostrom, N. E., Casciotti, K. L. and Ward, B. B. Protocols for assessing transformation rates of nitrous oxide in the water column, Frontiers in Marine Science, 8, 293, doi:10.3389/FMARS.2021.611937, 2021 *these authors contributed equally
(9) Sun, X., Frey, C., Garcia-Robledo, E., Jayakumar A., Ward B.Microbial niche differentiation explains nitrite oxidation in marine oxygen minimum zones. ISME J 2021. doi.org/10.1038/s41396-020-00852-3
(8) Wilson,Samuel T.; Al-Haj, Alia N.; Bourbonnais, Annie; Frey, Claudia; Fulweiler, Robinson W.; Kessler,John D.; Marchant, Hannah K.; Milucka, Jana; Ray,Nicholas E.; Suntharalingam, Parvadha ; Thornton, Brett F. ; Upstill-Goddard, Robert C.; Weber, Thomas S.; Arévalo-Martínez, Damian L.; Bange, Hermann W.; Benway, Heather M.; Bianchi, Daniele; Borges, Alberto V. ; Chang, Bonnie X. ;Crill, Patrick M.; del Valle, Daniela A.;Farías, Laura; Joye, Samantha B.; Kock, Annette; Labidi, Jabrane; Manning, Cara C.;Pohlman, John W.; Rehder, Gregor; Sparrow, Katy J. ; Tortell, Philippe D.; Treude, Tina ; Valentine, David L. ; Ward, Bess B.; Yang, Simon; Yurganov, Leonid N.: Ideas and perspectives: A strategic assessment of methane and nitrous oxide measurements in the marine environment. Biogeosciences, 17, 5809-5828, 2020; doi.org/10.5194/bg-17-5809-2020
(7) Frey, C., Bange, H. W., Achterberg, E. P., Jayakumar, A., Löscher, C. R., Arévalo-Martínez, D. L., León-Palmero, E., Sun, M., Sun, X., Xie, R. C., Oleynik, S., and Ward, B. B.: Regulation of nitrous oxide production in low-oxygen waters off the coast of Peru. Biogeosciences, 17, 2263–2287, doi.org/10.5194/bg-17-2263-2020, 2020.
(6) Cojean, A.N.Y., J. Zopfi, A. Gerster, C. Frey, F. Lepori, M.F. Lehmann (2019). Direct O2 control on the partitioning between denitrification and dissimilatory nitrate reduction to ammonium in lake sediments. Biogeosciences, 16, 4705-4718, doi.org/10.5194/bg-16-4705-2019
(5) Wannicke, N, Frey, C, Law, CS, Voss, M, 2018. The response of the marine nitrogen cycle to ocean acidification. Global Change Biology 1-13, doi: 10.1111/gcb.14424
(4) Ji, Q., Frey, C., Sun, X., Jackson, M., Lee, Y.-S., Jayakumar, A., Cornwell, J. C., and Ward, B. B.: Nitrogen and oxygen availabilities control water column nitrous oxide production during seasonal anoxia in the Chesapeake Bay, Biogeosciences Discuss., doi.org/10.5194/bg-2018-113, 2018.
(3) Korth, F., B. Deutsch, C. Frey, C. Moros, and M. Voss. 2014. Nitrate source identification in the Baltic Sea using its isotopic ratios in combination with a Bayesian isotope mixing model. Biogeosciences 11: 4913–4924.
(2)Frey, C., J. W. Dippner, and M. Voss. 2014a. Close coupling of N-cycling processes expressed in stable isotope data at the redoxcline of the Baltic Sea. Global Biogeochem. Cycles 28: 974–991.
(1) Frey, C., S. Hietanen, K. Juergens, M. Labrenz, and M. Voss. 2014b. N and O Isotope Fractionation in Nitrate during Chemolithoautotrophic Denitrification by Sulfurimonas gotlandica. Environ. Sci. Technol. 48: 13229–13237.