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 Names in bold are or were part of the Stanford Marine Biogeochemistry Lab.


Gluschankoff, N., Santoro, A. E., Buchwald, C., Casciotti, K. L. (2023). Shifts in the Isotopic Composition of Nitrous Oxide Between El Niño and La Niña in the Eastern Tropical South Pacific. Global Biochemical Cycles37(10).

Kelly, C. L., Manning, C. C., Frey, C., Kaiser, J., Gluschankoff, N., Casciotti, K. L. (2023). Pyisotopomer: A Python package for obtaining intramolecular isotope ratio differences from mass spectrometric analysis of nitrous oxide isotopocules. Rapid Communications in Mass Spectrometry, 37:e9513.

Frey, C., Sun, X., Szemberski, L., Casciotti, K. L., Garcia‐Robledo, E., Jayakumar, A., Kelly, C. L., Lehmann, M. F., Ward, B. B. (2023). Kinetics of nitrous oxide production from ammonia oxidation in the Eastern Tropical North Pacific. Limnology and Oceanography, 68, 424-438.

Travis, N. M., Kelly, C. L., Mullholland, M. R., Casciotti, K. L. (2023). Nitrite Cycling in the Primary Nitrite Maxima of the Eastern Tropical North Pacific. Biogeosciences, 20(2), 325-347.

Proctor, C., Coupel, P., Casciotti, K. L., Tremblay, J-E., Zakem, E., Arrigo, K. R., Mills, M. M. (2023). Light, ammonium, pH, and phytoplankton competition as environmental factors controlling nitrification. Limnology and Oceanography, 9999, 1-14.


Marshall, T., Granger, J., Casciotti, K. L., Dähnke, K., Emeis, K., Marconi, D., McIlvin, M. R., Noble, A. E., Saito, M. A., Sigman, D. M., Fawcett, S. E. (2022). The Angola Gyre is a hotspot of dinitrogen fixation in the South Atlantic Ocean. Communications Earth & Environment, 3(1), 1-10. 

Monreal, P. J., Kelly, C. L., Travis, N. M., Casciotti, K. L. (2022). Identifying the Sources and Drivers of Nitrous Oxide Accumulation in the Eddy‐Influenced Eastern Tropical North Pacific Oxygen‐Deficient Zone. Global Biogeochemical Cycles, 36(6), e2022GB007310. 

Cinay, T., Dumit, D., Woosley, R. J., Boles, E. L., Kwiecinski, J. V., Mullen, S., Tamasi, T. J., Wolf, M. J., Kelly, C. L., Travis, N. M., Casciotti, K. L., Babbin, A. R. (2022) Coincident Biogenic Nitrite and pH Maxima Arise in the Upper Anoxic Layer in the Eastern Tropical North Pacific. Global Biogeochemical Cycles, 36(12), e2022GB007470

Schutte, C. A., Samarkin, V. A., Bowles, M. W., Peters, B., Casciotti, K. L., Madigan, M. T., Joye, S. B. (2022). Abiotic Nitrous Oxide Production From Sediments and Brine of Don Juan Pond, Wright Valley Antarctica, at Mars Analog Temperatures (− 40° C). Geophysical Research Letters, 49(3), e2021GL094635.

Wan, X. S., Sheng, H., Dai, M., Casciotti, K. L., Church, M. J., Zou, W., Liu, L., Shen, H., Zhou, K., Ward, B. B., Kao, S. (2022). Epipelagic nitrous oxide production offsets carbon sequestration by the biological pump. Nature Geoscience, 16, 29–36.


Bourbonnais, A., Frey, C., Sun, X., Bristow, L. A., Jayakumar, A., Ostrom, N. E., Casciotti, K. L., Ward, B. B. (2021). Protocols for Assessing Transformation Rates of Nitrous Oxide in the Water Column. Frontiers in Marine Science, 8, 293. doi:10.3389/fmars.2021.611937

Kelly, C. L., Travis, N. M., Baya P. A., and Casciotti, K. L. (2021). Quantifying Nitrous Oxide Cycling Regimes in the Eastern Tropical North Pacific Ocean With Isotopomer Analysis. Global Biogeochemical Cycles, 35(2), e2020GB006637. doi:10.1029/2020GB006637

Santoro, A. E., Buchwald, C., Knapp, A. N., Berelson, W. M., Capone, D. G., Casciotti, K. L. (2021). Nitrification and Nitrous Oxide Production in the Offshore Waters of the Eastern Tropical South Pacific. Global Biogeochemical Cycles, 35(2), e2020GB006716. doi:10.1029/2020GB006716

Sun, X., Jayakumar, A., Tracey, J. C., Wallace, E., Kelly, C. L., Casciotti, K. L., Ward, B. B. (2021). Microbial N2O consumption in and above marine N2O production hotspots. The ISME Journal, 15, 1434–1444. doi:10.1038/s41396-020-00861-2


Schutte, C. A., Samarkin, V. A., Peters, B., Madigan, M. T., Bowles, M., Morgan-Kiss, R., Casciotti, K. L., Joye, S. (2020). Vertical stratification and stability of biogeochemical processes in the deep saline waters of Lake Vanda, Antarctica. Limnology and Oceanography, 65(3), 569-581. doi:10.1002/lno.11327

Damgaard, L. R., Kelly, C. L., Casciotti, K. L., Ward, B. B., Revsbech, N. P. (2020). Amperometric sensor for nanomolar nitrous oxide analysis. Analytica chimica acta, 1101, 135-140. doi:10.1016/j.aca.2019.12.019


Jenkins, W. J., Hatta, M. Fitzsimmons, J. N., Schlitzer, R., Lanning, N. T., Shiller, A., Buckley, N. R., German, C. R., Lott, D. E., Weiss, G., Whitmore, L., Casciotti, K., Lam, P. J., Cutter, G. A., Cahill, K. L. (2020). An intermediate-depth source of hydrothermal 3He and dissolved iron in the North Pacific. Earth and Planetary Science Letters, 539, 116223. doi:10.1016/j.epsl.2020.116223


Zhang, G., Liu, S., Casciotti, K. L., Forbes, M. S., Gu, X., Ren, Y., Zheng, W. (2019). Distribution of Concentration and Stable Isotopic Composition of N2O in the Shelf and Slope of the Northern South China Sea: Implications for Production and Emission. Journal of Geophysical Research: Oceans, 124(8), 6218-6234. doi:10.1029/2019JC014947

Bouskill, N. J., Conrad, M. E., Bill, M., Brodie, E. L., Cheng, Y., Hobson, C., Forbes, M., Casciotti, K. L., Williams, K. H. (2010). Evidence for Microbial Mediated NO3- Cycling Within Floodplain Sediments During Groundwater Fluctuations. Frontiers in Earth Science, 7, 189. doi:10.3389/feart.2019.00189

Kobayashi, K., Makabe, A., Yano, M., Oshiki, M., Kindaichi, T., Casciotti, K. L., Okabe, S. (2019). Dual nitrogen and oxygen isotope fractionation during anaerobic ammonium oxidation by anammox bacteria. The ISME Journal, 13, 2426–2436. doi:10.1038/s41396-019-0440-x

Martin, T. S., Primeau, F., Casciotti, K. L. (2019). Modeling oceanic nitrate and nitrite concentrations and isotopes using a 3-D inverse N cycle model. Biogeosciences, 16(2), 347-367. doi:10.5194/bg-16-347-2019


Martin, T. S., Primeau, F., Casciotti, K. L. (2019). Assessing marine nitrogen cycle rates and process sensitivities with a global 3‐D inverse model. Global Biogeochemical Cycles, 33, 1026–1047. doi:10.1029/2018GB006088


Fuchsman, C. A., Devol, A. H., Casciotti, K. L., Buchwald, C., Chang, B. X., Horak, R. A. (2018). An N isotopic mass balance of the Eastern Tropical North Pacific oxygen deficient zone. Deep Sea Research Part II, 156, 137-147.

Peters, B., Horak, R., Devol, A., Fuchsman, C., Forbes, M., Mordy, C. W., Casciotti, K. L. (2018). Estimating fixed nitrogen loss and associated isotope effects using concentration and isotope measurements of NO3-, NO2-, and N-2 from the Eastern Tropical South Pacific oxygen deficient zone. Deep Sea Research Part II: Topical Studies in Oceanography, 156, 121-136. doi:10.1016/j.dsr2.2018.02.011

Casciotti, K. L., Forbes, M., Vedamati, J., Peters, B. D., Martin, T. S., Mordy, C. W. (2018). Nitrous oxide cycling in the Eastern Tropical South Pacific as inferred from isotopic and isotopomeric data. Deep Sea Research Part II: Topical Studies in Oceanography, 156, 155-167. doi:10.1016/j.dsr2.2018.07.014

Schlitzer, R., ..., Casciotti, K. L., ..., Peters, B., ..., Zurbick, Z. (2018). The GEOTRACES Intermediate Data Product 2017, Chemical Geology, 493, 210-223. doi:10.1016/j.chemgeo.2018.05.040

Meinhardt, K. A., Stopnisek, N., Pannu, M. W., Strand, S. E., Fransen, S. C., Casciotti, K. L., Stahl, D. A. (2018). Ammonia-oxidizing bacteria are the primary N2O producers in an ammonia-oxidizing archaea dominated alkaline agricultural soil. Environmental Microbiology, 20, 2195-2206. doi:10.1111/1462-2920.14246

Ostrom, N. E., Gandhi, H., Coplen, T. B., Toyoda, S., Bohlke, J. K., Brand, W. A., Casciotti, K. L., Dyckmans, J., Giesemann, A., Mohn, J., Well, R., Yu, L., Yoshida, N. (2018). Preliminary assessment of stable nitrogen and oxygen isotopic composition of USGS51 and USGS52 nitrous oxide reference gases and perspectives on calibration needs. Rapid Communications in Mass Spectrometry, 32,1207-1214. doi:10.1002/rcm.8157

Knapp, A. N., Casciotti, K. L., Prokopenko, M. G. (2018). Dissolved organic nitrogen production and consumption in Eastern Tropical South Pacific Waters. 2018. Global Biogeochemical Cycles, 32, 769-783. doi:10.1029/2017GB005875

Peters, B. D., Jenkins, W. H., Swift, J. H., German, C. R., Moffett, J. W., Cutter, G. A., Brzezinski, M. A., Casciotti, K. L. (2018). Water mass analysis of the 2013 US GEOTRACES Eastern Pacific Zonal Transect (GP16). Marine Chemistry, 201, 6-19. doi:j.marchem.2017.09.007

Peters, B. D., Lam, P. J., Casciotti, K. L. (2018). Nitrogen and oxygen isotope measurements of NO3- along the US GEOTRACES Eastern Pacific Zonal Transect (GP16) yield insights into nitrate supply, remineralization, and water mass transport. Marine Chemistry, 201, 137-150. doi:j.marchem.2017.09.009


Marconi, D., D.M. Sigman, K.L. Casciotti, E.C. Campbell, M.A. Weigand, S.E. Fawcett, A.N. Knapp, P.A. Rafter, B.B. Ward, and G.H. Haug. 2017. Tropical dominance of N2 fixation in the North Atlantic Ocean. Global Biogeochemical Cycles 31: 1608-1623. doi:10.1002/2016GB005613

Fassbender, A.J., ..., the participants of COME ABOARD, DISCO XXV1. 2017. Perspectives on Chemical Oceanography in a changing environment: Participants of the COME ABOARD Meeting examine the field in the context of 40 years of DISCO. Marine Chemistry 196: 181-190. doi:10.1016/j.marchem.2017.09.002

Sperber, C., O.A. Chadwick, K.L. Casciotti, K.G. Peay, C.A. Francis, A.E. Kim, P.M. Vitousek. 2017. Controls of nitrogen cycling evaluated along a well‐characterized climate gradient. Ecology 98: 1117-1129. doi:10.1002/ecy.1751

Martin, T.S. and K.L. Casciotti. 2017. Paired N and O isotopic analysis of nitrate and nitrite in the Arabian Sea oxygen deficient zone. Deep Sea Research I 121: 121-131. doi:10.1016/j.dsr.2017.01.002

Babbin, A.R., B.D. Peters, C.W. Mordy, B. Widner, K.L. Casciotti, B.B. Ward. 2017. Multiple metabolisms constrain the anaerobic nitrite budget in the Eastern Tropical South Pacific. Global Biogeochemical Cycles 31: 258-271. doi:10.1002/2016GB005407