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Moretti, S., N.N. Duprey, A.D. Foreman, A. Arns, S. Brömme, J. Jung, X.E. Ai, et al. 2024. “Analytical Improvements and Assessment of Long-Term Performance of the oxidation–denitrifier Method”. Rapid Communications in Mass Spectrometry 38. John Wiley and Sons Ltd. doi:10.1002/rcm.9650.

Comans, C.M., S.M. Smart, E.R. Kast, Y. Lu, T. Lüdecke, J.N. Leichliter, D.M. Sigman, T. Ikejiri, and A. Martínez-García. 2024. “Enameloid-Bound δ15N Reveals Large Trophic Separation Among Late Cretaceous Sharks in the Northern Gulf of Mexico”. Geobiology 22. John Wiley and Sons Inc. doi:10.1111/gbi.12585.

Choisnard, N., N.N. Duprey, T. Wald, M. Thibault, F. Houlbrèque, A.D. Foreman, P. Cuet, et al. 2024. “Tracing the Fate of Seabird-Derived Nitrogen in a Coral Reef Using Nitrate and Coral Skeleton Nitrogen Isotopes”. Limnology and Oceanography. John Wiley and Sons Inc. doi:10.1002/lno.12485.

Straub, M., A. Auderset, L. de Leval, N. Piazzon, D. Maison, M.-C. Vozenin, J. Ollivier, B. Petit, D.M. Sigman, and A. Martínez-García. 2023. “Nitrogen Isotopic Composition As a Gauge of Tumor Cell Anabolism-to-Catabolism Ratio”. Scientific Reports 13. Nature Research. doi:10.1038/s41598-023-45597-z.

Hess, A. V., A. Auderset, Y. Rosenthal, K. G. Miller, X. Zhou, D.M. Sigman, and A. Martínez-García. (2023) 2023. “A Well-Oxygenated Eastern Tropical Pacific During the Warm Miocene”. Nature. doi:10.1038/s41586-023-06104-6.

Leichliter, J.N., T. Lüdecke, A.D. Foreman, N. Bourgon, N.N. Duprey, H. Vonhof, V. Souksavatdy, et al. 2023. “Tooth Enamel Nitrogen Isotope Composition Records Trophic Position: A Tool for Reconstructing Food Webs”. Communications Biology 6. doi:10.1038/s42003-023-04744-y.

Marshall, T. A., D. M. Sigman, L. M. Beal, A. Foreman, A. Martínez-García, S. Blain, E. Campbell, et al. (2023) 2023. “The Agulhas Current Transports Signals of Local and Remote Indian Ocean Nitrogen Cycling”. Journal of Geophysical Research: Oceans 37 (2). doi:10.1029/2022JC019413.

Fripiat, F., D.M. Sigman, A. Martínez-García, D. Marconi, X.E. Ai, A. Auderset, S.E. Fawcett, S. Moretti, A.S. Studer, and G.H. Haug. (2023) 2023. “The Impact of Incomplete Nutrient Consumption in the Southern Ocean on Global Mean Ocean Nitrate δ15N”. Global Biogeochemical Cycles. doi:10.1029/2022GB007442.

Wang, X.T., Y. Wang, A. Auderset, D.M. Sigman, H. Ren, A. Martínez-García, G.H. Haug, et al. 2022. “Oceanic Nutrient Rise and the Late Miocene Inception of Pacific Oxygen-Deficient Zones”. Proceedings of the National Academy of Sciences of the United States of America 119. doi:10.1073/pnas.2204986119.

Martínez-García, A., J. Jung, X.E. Ai, D.M. Sigman, A. Auderset, N.N. Duprey, A. Foreman, et al. 2022. “Laboratory Assessment of the Impact of Chemical Oxidation, Mineral Dissolution, and Heating on the Nitrogen Isotopic Composition of Fossil-Bound Organic Matter”. Geochemistry, Geophysics, Geosystems 23. doi:10.1029/2022GC010396.

Auderset, A., S. Moretti, B. Taphorn, P.-R. Ebner, E. Kast, X.T. Wang, R. Schiebel, D.M. Sigman, G.H. Haug, and A. Martínez-García. 2022. “Enhanced Ocean Oxygenation During Cenozoic Warm Periods”. Nature 609: 77-82. doi:10.1038/s41586-022-05017-0.

Kast, E.R., M.L. Griffiths, S.L. Kim, Z.C. Rao, K. Shimada, M.A. Becker, H.M. Maisch, et al. (2022) 2022. “Cenozoic Megatooth Sharks Occupied Extremely High Trophic Positions”. Science Advances 8 (25). doi:10.1126/sciadv.abl6529.

Martínez-García, A., A. Rosell-Mele, S.L. Jaccard, W. Geibert, D.M. Sigman, and G.H. Haug. 2011. “Southern Ocean Dust-Climate Coupling over the past Four Million Years”. Nature 476. Nature Publishing Group: 312-15. doi:10.1038/nature10310.

Erler, D.V., X.T. Wang, D.M. Sigman, S.R. Scheffers, A. Martínez-García, and G.H. Haug. 2016. “Nitrogen Isotopic Composition of Organic Matter from a 168 Year-Old Coral Skeleton: Implications for Coastal Nutrient Cycling in the Great Barrier Reef Lagoon”. Earth and Planetary Science Letters 434. Elsevier: 161-70. doi:10.1016/j.epsl.2015.11.023.

Studer, A.S., D.M. Sigman, A. Martínez-García, V. Benz, G. Winckler, G. Kuhn, O. Esper, et al. 2015. “Antarctic Zone Nutrient Conditions During the Last Two Glacial Cycles”. Paleoceanography 30. Blackwell Publishing Ltd: 845-62. doi:10.1002/2014PA002745.

Hayes, C.T., A. Martínez-García, A.P. Hasenfratz, S.L. Jaccard, D.A. Hodell, D.M. Sigman, G.H. Haug, and R.F. Anderson. 2014. “A Stagnation Event in the Deep South Atlantic During the Last Interglacial Period”. Science 346. American Association for the Advancement of Science: 1514-17. doi:10.1126/science.1256620.

Martínez-García, A., D.M. Sigman, H. Ren, R.F. Anderson, M. Straub, D.A. Hodell, S.L. Jaccard, T.I. Eglinton, and G.H. Haug. 2014. “Iron Fertilization of the Subantarctic Ocean During the Last Ice Age”. Science 343. American Association for the Advancement of Science: 1347-50. doi:10.1126/science.1246848.

Meckler, A.N., D.M. Sigman, K.A. Gibson, R. François, A. Martínez-García, S.L. Jaccard, U. Röhl, L.C. Peterson, R. Tiedemann, and G.H. Haug. 2014. “Erratum: Deglacial Pulses of Deep-Ocean Silicate into the Subtropical North Atlantic Ocean (Nature (2013) 495 (495-498) DOI: 10.1038 Nature12006)”. Nature 505: 574. doi:10.1038/nature12906.

Lawrence, K.T., D.M. Sigman, T.D. Herbert, C.A. Riihimaki, C.T. Bolton, A. Martínez-García, A. Rosell-Mele, and G.H. Haug. 2013. “Time-Transgressive North Atlantic Productivity Changes Upon Northern Hemisphere Glaciation”. Paleoceanography 28: 740-51. doi:10.1002/2013PA002546.

Straub, M., D.M. Sigman, H. Ren, A. Martínez-García, A.N. Meckler, M.P. Hain, and G.H. Haug. 2013. “Changes in North Atlantic Nitrogen Fixation Controlled by Ocean Circulation”. Nature 501: 200-203. doi:10.1038/nature12397.

Meckler, A.N., D.M. Sigman, K.A. Gibson, R. François, A. Martínez-García, S.L. Jaccard, U. Röhl, L.C. Peterson, R. Tiedemann, and G.H. Haug. 2013. “Deglacial Pulses of Deep-Ocean Silicate into the Subtropical North Atlantic Ocean”. Nature 495. Nature Publishing Group: 495-98. doi:10.1038/nature12006.

Jaccard, S.L., C.T. Hayes, A. Martínez-García, D.A. Hodell, R.F. Anderson, D.M. Sigman, and G.H. Haug. 2013. “Two Modes of Change in Southern Ocean Productivity over the past Million Years”. Science 339. American Association for the Advancement of Science: 1419-23. doi:10.1126/science.1227545.

Studer, A.S., A. Martínez-García, S.L. Jaccard, F.E. Girault, D.M. Sigman, and G.H. Haug. 2012. “Enhanced Stratification and Seasonality in the Subarctic Pacific Upon Northern Hemisphere Glaciation-New Evidence from Diatom-Bound Nitrogen Isotopes, Alkenones and Archaeal Tetraethers”. Earth and Planetary Science Letters 351-352: 84-94. doi:10.1016/j.epsl.2012.07.029.

Straub, M., D.M. Sigman, A. Auderset, J. Ollivier, B. Petit, B. Hinnenberg, F. Rubach, S. Oleynik, M.-C. Vozenin, and A. Martínez-García. 2021. “Distinct Nitrogen Isotopic Compositions of Healthy and Cancerous Tissue in Mice Brain and head&Neck Micro-Biopsies”. BMC Cancer 21. BioMed Central Ltd. doi:10.1186/s12885-021-08489-x.

Studer, A.S., D.M. Sigman, A. Martínez-García, L.M. Thöle, E. Michel, S.L. Jaccard, J.A. Lippold, et al. 2018. “Increased Nutrient Supply to the Southern Ocean During the Holocene and Its Implications for the Pre-Industrial Atmospheric CO2 Rise”. Nature Geoscience 11. Nature Publishing Group: 756-60. doi:10.1038/s41561-018-0191-8.

Fripiat, F., A. Martínez-García, D. Marconi, S.E. Fawcett, S.H. Kopf, V.H. Luu, P.A. Rafter, R. Zhang, D.M. Sigman, and G.H. Haug. 2021. “Nitrogen Isotopic Constraints on Nutrient Transport to the Upper Ocean”. Nature Geoscience 14. Nature Research: 855-61. doi:10.1038/s41561-021-00836-8.

Ren, H., D.M. Sigman, A. Martínez-García, R.F. Anderson, M.-T. Chen, A.C. Ravelo, M. Straub, G.T.F. Wong, and G.H. Haug. 2017. “Impact of Glacial Interglacial Sea Level Change on the Ocean Nitrogen Cycle”. Proceedings of the National Academy of Sciences of the United States of America 114. National Academy of Sciences: E6759-E6766. doi:10.1073/pnas.1701315114.

Farmer, J.R., D.M. Sigman, J. Granger, O.M. Underwood, F. Fripiat, T.M. Cronin, A. Martínez-García, and G.H. Haug. 2021. “Arctic Ocean Stratification Set by Sea Level and Freshwater Inputs since the Last Ice Age”. Nature Geoscience 14. Nature Research: 684-89. doi:10.1038/s41561-021-00789-y.

Wang, X.T., D.M. Sigman, M.G. Prokopenko, J.F. Adkins, L.F. Robinson, S.K. Hines, J. Chai, et al. 2017. “Deep-Sea Coral Evidence for Lower Southern Ocean Surface Nitrate Concentrations During the Last Ice Age”. Proceedings of the National Academy of Sciences of the United States of America 114. National Academy of Sciences: 3352-57. doi:10.1073/pnas.1615718114.

Swart, K.A., S. Oleynik, A. Martínez-García, G.H. Haug, and D.M. Sigman. 2021. “Correlation Between the Carbon Isotopic Composition of Planktonic Foraminifera-Bound Organic Matter and Surface Water PCO2 across the Equatorial Pacific”. Geochimica Et Cosmochimica Acta 306. Elsevier Ltd: 281-303. doi:10.1016/j.gca.2021.03.007.

Studer, A.S., F. Mekik, H. Ren, M.P. Hain, S. Oleynik, A. Martínez-García, G.H. Haug, and D.M. Sigman. 2021. “Ice Age-Holocene Similarity of Foraminifera-Bound Nitrogen Isotope Ratios in the Eastern Equatorial Pacific”. Paleoceanography and Paleoclimatology 36. John Wiley and Sons Inc. doi:10.1029/2020PA004063.

Leichliter, J.N., T. Lüdecke, A.D. Foreman, N.N. Duprey, D.E. Winkler, E.R. Kast, H. Vonhof, et al. 2021. “Nitrogen Isotopes in Tooth Enamel Record Diet and Trophic Level Enrichment: Results from a Controlled Feeding Experiment”. Chemical Geology 563. Elsevier B.V. doi:10.1016/j.chemgeo.2020.120047.

Sigman, D.M., F. Fripiat, A.S. Studer, P.C. Kemeny, A. Martínez-García, M.P. Hain, X. Ai, X. Wang, H. Ren, and G.H. Haug. 2021. “The Southern Ocean During the Ice Ages: A Review of the Antarctic Surface Isolation Hypothesis, With Comparison to the North Pacific”. Quaternary Science Reviews 254. Elsevier Ltd. doi:10.1016/j.quascirev.2020.106732.

Ai, X.E., A.S. Studer, D.M. Sigman, A. Martínez-García, F. Fripiat, L.M. Thöle, E. Michel, et al. 2020. “Southern Ocean Upwelling, Earth S Obliquity, and Glacial-Interglacial Atmospheric CO2 Change”. Science 370. American Association for the Advancement of Science: 1348-52. doi:10.1126/science.abd2115.

Duprey, N.N., T.X. Wang, T. Kim, J.D. Cybulski, H.B. Vonhof, P.J. Crutzen, G.H. Haug, D.M. Sigman, A. Martínez-García, and D.M. Baker. 2020. “Megacity Development and the Demise of Coastal Coral Communities: Evidence from Coral Skeleton δ15N Records in the Pearl River Estuary”. Global Change Biology 26. Blackwell Publishing Ltd: 1338-53. doi:10.1111/gcb.14923.

Smart, S.M., S.E. Fawcett, H. Ren, R. Schiebel, E.M. Tompkins, A. Martínez-García, L. Stirnimann, A. Roychoudhury, G.H. Haug, and D.M. Sigman. 2020. “The Nitrogen Isotopic Composition of Tissue and Shell-Bound Organic Matter of Planktic Foraminifera in Southern Ocean Surface Waters”. Geochemistry, Geophysics, Geosystems 21. Blackwell Publishing Ltd. doi:10.1029/2019GC008440.

Auderset, A., A. Martínez-García, R. Tiedemann, A.P. Hasenfratz, T.I. Eglinton, R. Schiebel, D.M. Sigman, and G.H. Haug. 2019. “Gulf Stream Intensification After the Early Pliocene Shoaling of the Central American Seaway”. Earth and Planetary Science Letters 520. Elsevier B.V.: 268-78. doi:10.1016/j.epsl.2019.05.022.

Fripiat, F., A. Martínez-García, S.E. Fawcett, P.C. Kemeny, A.S. Studer, S.M. Smart, F. Rubach, S. Oleynik, D.M. Sigman, and G.H. Haug. 2019. “The Isotope Effect of Nitrate Assimilation in the Antarctic Zone: Improved Estimates and Paleoceanographic Implications”. Geochimica Et Cosmochimica Acta 247. Elsevier Ltd: 261-79. doi:10.1016/j.gca.2018.12.003.

Kast, E.R., D.A. Stolper, A. Auderset, J.A. Higgins, H. Ren, X.T. Wang, A. Martínez-García, G.H. Haug, and D.M. Sigman. 2019. “Nitrogen Isotope Evidence for Expanded Ocean Suboxia in the Early Cenozoic”. Science 364. American Association for the Advancement of Science: 386-89. doi:10.1126/science.aau5784.

Hasenfratz, A.P., S.L. Jaccard, A. Martínez-García, D.M. Sigman, D.A. Hodell, D. Vance, S.M. Bernasconi, H.F. Kleiven, F.A. Haumann, and G.H. Haug. 2019. “The Residence Time of Southern Ocean Surface Waters and the 100,000-Year Ice Age Cycle”. Science 363. American Association for the Advancement of Science: 1080-84. doi:10.1126/science.aat7067.

Kemeny, P.C., E.R. Kast, M.P. Hain, S.E. Fawcett, F. Fripiat, A.S. Studer, A. Martínez-García, G.H. Haug, and D.M. Sigman. 2018. “A Seasonal Model of Nitrogen Isotopes in the Ice Age Antarctic Zone: Support for Weakening of the Southern Ocean Upper Overturning Cell”. Paleoceanography and Paleoclimatology 33. John Wiley and Sons Inc.: 1453-71. doi:10.1029/2018PA003478.

Schiebel, R., S.M. Smart, A. Jentzen, L. Jonkers, R. Morard, J. Meilland, E. Michel, et al. 2018. “Advances in Planktonic Foraminifer Research: New Perspectives for Paleoceanography”. Revue De Micropaleontologie 61. Elsevier Masson SAS: 113-38. doi:10.1016/j.revmic.2018.10.001.