| The response of the marine nitrogen cycle to ocean acidification N Wannicke, C Frey, CS Law, M Voss Global change biology 24 (11), 5031-5043, 2018 | 70 | 2018 |
| N and O Isotope Fractionation in Nitrate during Chemolithoautotrophic Denitrification by Sulfurimonas gotlandica C Frey, S Hietanen, K Jürgens, M Labrenz, M Voss Environmental science & technology 48 (22), 13229-13237, 2014 | 64 | 2014 |
| Nitrate source identification in the Baltic Sea using its isotopic ratios in combination with a Bayesian isotope mixing model F Korth, B Deutsch, C Frey, C Moros, M Voss Biogeosciences 11 (17), 4913-4924, 2014 | 63 | 2014 |
| Regulation of nitrous oxide production in low-oxygen waters off the coast of Peru C Frey, HW Bange, EP Achterberg, A Jayakumar, CR Löscher, ... Biogeosciences 17 (8), 2263-2287, 2020 | 56 | 2020 |
| Microbial niche differentiation explains nitrite oxidation in marine oxygen minimum zones X Sun, C Frey, E Garcia-Robledo, A Jayakumar, BB Ward The ISME journal 15 (5), 1317-1329, 2021 | 44 | 2021 |
| Nitrogen and oxygen availabilities control water column nitrous oxide production during seasonal anoxia in the Chesapeake Bay Q Ji, C Frey, X Sun, M Jackson, YS Lee, A Jayakumar, JC Cornwell, ... Biogeosciences 15 (20), 6127-6138, 2018 | 28 | 2018 |
| Ideas and perspectives: A strategic assessment of methane and nitrous oxide measurements in the marine environment ST Wilson, AN Al-Haj, A Bourbonnais, C Frey, RW Fulweiler, JD Kessler, ... Biogeosciences 17 (22), 5809-5828, 2020 | 26 | 2020 |
| Direct control on the partitioning between denitrification and dissimilatory nitrate reduction to ammonium in lake sediments ANY Cojean, J Zopfi, A Gerster, C Frey, F Lepori, MF Lehmann Biogeosciences 16 (23), 4705-4718, 2019 | 26 | 2019 |
| Close coupling of N‐cycling processes expressed in stable isotope data at the redoxcline of the Baltic Sea C Frey, JW Dippner, M Voss Global Biogeochemical Cycles 28 (9), 974-991, 2014 | 17 | 2014 |
| Kinetics of nitrous oxide production from ammonia oxidation in the Eastern Tropical North Pacific C Frey, X Sun, L Szemberski, KL Casciotti, E Garcia‐Robledo, ... Limnology and Oceanography 68 (2), 424-438, 2023 | 16 | 2023 |
| Protocols for assessing transformation rates of nitrous oxide in the water column A Bourbonnais, C Frey, X Sun, LA Bristow, A Jayakumar, NE Ostrom, ... Frontiers in Marine Science 8, 2021 | 10 | 2021 |
| Database of nitrification and nitrifiers in the global ocean W Tang, BB Ward, M Beman, L Bristow, D Clark, S Fawcett, C Frey, ... Earth System Science Data 15 (11), 5039-5077, 2023 | 9 | 2023 |
| Isotopic signatures of biotic and abiotic N2O production and consumption in the water column of meromictic, ferruginous Lake La Cruz (Spain) J Tischer, J Zopfi, C Frey, PM Magyar, A Brand, K Oswald, C Jegge, ... Limnology and Oceanography 67 (8), 1760-1775, 2022 | 8 | 2022 |
| All about nitrite: exploring nitrite sources and sinks in the eastern tropical North Pacific oxygen minimum zone JC Tracey, AR Babbin, E Wallace, X Sun, KL DuRussel, C Frey, ... Biogeosciences 20 (12), 2499-2523, 2023 | 6 | 2023 |
| Pyisotopomer: A Python package for obtaining intramolecular isotope ratio differences from mass spectrometric analysis of nitrous oxide isotopocules CL Kelly, C Manning, C Frey, J Kaiser, N Gluschankoff, KL Casciotti Rapid Communications in Mass Spectrometry 37 (11), e9513, 2023 | 6 | 2023 |
| Nitrite oxidation across the full oxygen spectrum in the ocean X Sun, C Frey, BB Ward Global Biogeochemical Cycles 37 (4), e2022GB007548, 2023 | 6 | 2023 |
| Unchanged nitrate and nitrite isotope fractionation during heterotrophic and Fe (II)-mixotrophic denitrification suggest a non-enzymatic link between denitrification and Fe (II … AN Visser, SD Wankel, C Frey, A Kappler, MF Lehmann Frontiers in Microbiology 13, 927475, 2022 | 5 | 2022 |
| All about nitrite: Exploring nitrite sources and sinks in the eastern Tropical North Pacific oxygen minimum zone JC Tracey, AR Babbin, E Wallace, X Sun, KL DuRussel, C Frey, ... EGUsphere 2022, 1-63, 2022 | 3 | 2022 |
| Simultaneous 15N Online Analysis in NH4+, NO2–, NO3–, and N2O to Trace N2O Production Pathways in Nitrogen-Polluted Aqueous Environments K Huang, W Eschenbach, J Wei, D Hausherr, C Frey, A Kupferschmid, ... ACS ES&T Water 3 (11), 3485-3495, 2023 | 2 | 2023 |
| Coastal Nitrogen Cycling–Biogeochemical Processes and the Impacts of Human Activities and Climate Change M Voss, N Choisnard, M Bartoli, S Bonaglia, A Bourbonnais, C Frey, ... Reference Module in Earth Systems and Environmental Sciences, 2023 | 2 | 2023 |
