Publications of Alfredo Martinez-Garcia

Kemeny, P. C., Kast, E. R., Hain, M. P., Fawcett, S. E., Fripiat, F., Studer, A. S., Martinez-Garcia, A., Haug, G. H. and Sigman, D. M.: 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(12), 1453–1471, doi:10.1029/2018PA003478, 2018.

Magill, C. R., Ausin, B., Wenk, P., McIntyre, C., Skinner, L., Martinez-Garcia, A., Hodell, D. A., Haug, G. H., Kenney, W. and Eglinton, T. I.: Transient hydrodynamic effects influence organic carbon signatures in marine sediments, Nature Communications, 9, doi:10.1038/s41467-018-06973-w, 2018.

Studer, A. S., Sigman, D. M., Martinez-Garcia, A., Thöle, L. M., Michel, E., Jaccard, S. L., Lippold, J. A., Mazaud, A., Wang, X. T., Robinson, L. F., Adkins, J. F. and Haug, G. H.: Increased nutrient supply to the Southern Ocean during the Holocene and its implications for the pre-industrial atmospheric CO₂ rise, Nature geoscience, 11(10), 756–760, doi:10.1038/s41561-018-0191-8, 2018.

Chalk, T. B., Hain, M. P., Foster, G. L., Rohling, E. J., Sexton, P. F., Badger, M. P. S., Cherry, S. G., Hasenfratz, A. P., Haug, G. H., Jaccard, S. L., Martinez-Garcia, A., Palike, H., Pancost, R. D. and Wilson, P. A.: Causes of ice age intensification across the Mid-Pleistocene Transition, Proceedings of the National Academy of Sciences of the United States of America, 114(50), 13114–13119, doi:10.1073/pnas.1702143114, 2017.

Hasenfratz, A. P., Martinez-Garcia, A., Jaccard, S. L., Vance, D., Walle, M., Greaves, M. and Haug, G. H.: Determination of the Mg/Mn ratio in foraminiferal coatings: An approach to correct Mg/Ca temperatures for Mn-rich contaminant phases, Earth and Planetary Science Letters, 457, 335–347, doi:10.1016/j.epsl.2016.10.004, 2017.

Hasenfratz, A. P., Schiebel, R., Thornalley, D. J. R., Schoenfeld, J., Jaccard, S. L., Martinez-Garcia, A., Holbourn, A., Jennings, A. E., Kuhnt, W., Lear, C. H., Marchitto, T. M., Quillmann, U., Rosenthal, Y., Yu, J. and Haug, G. H.: Mg/Ca-temperature calibration for the benthic foraminifera Melonis barleeanum and Melonis pompilioides, Geochimica et Cosmochimica Acta, 217, 365–383, doi:10.1016/j.gca.2017.08.038, 2017.

Ren, H., Sigman, D. M., Martinez-Garcia, A., Anderson, R. F., Chen, M.-T., Ravelo, A. C., Straub, M., Wong, G. T. F. and Haug, G. H.: 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(33), E6759–E6766, doi:10.1073/pnas.1701315114, 2017.

Schiebel, R., Spielhagen, R. F., Garnier, J., Hagemann, J., Howa, H., Jentzen, A., Martinez-Garcia, A., Meilland, J., Michel, E., Repschläger, J., Salter, I., Yamasaki, M. and Haug, G. H.: Modern planktic foraminifers in the high-latitude ocean, Marine Micropaleontology, 136, 1–13, doi:10.1016/j.marmicro.2017.08.004, 2017.

Wang , X. T., Sigman, D. M., Prokopenko, M. G., Adkins, J. F., Robinson, L. F., Hines, S. K., Chai, J., Studer, A. S., Martinez-Garcia, A., Chen, T. and Haug, G. H.: 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(13), 3352–3357, doi:10.1073/pnas.1615718114, 2017.

Jaccard, S. L., Galbraith, E. D., Martinez-Garcia, A. and Anderson, R. F.: Covariation of deep Southern Ocean oxygenation and atmospheric CO₂ through the last ice age, Nature, 530(7589), 207-+, doi:10.1038/nature16514, 2016.

Knapp, A. N., Fawcett, S. E., Martinez-Garcia, A., Leblond, N., Moutin, T. and Bonnet, S.: Nitrogen isotopic evidence for a shift from nitrate- to diazotroph-fueled export production in the VAHINE mesocosm experiments, Biogeosciences, 13(16), 4645–4657, doi:10.5194/bg-13-4645-2016, 2016.

Fripiat, F., Martinez-Garcia, A., Marconi, D., Fawcett, S. E., Sigman, D. M. and Haug, G. H.: Nitrate isotopic constraints on routes of nutrient supply to global ocean pycnocline, in EGU General Assembly 2020., 2020.

Auderset, A., Hess, A., Fayolle, F., Studer, A. S., Crocker, A. J., Wilson, P. A., Rosenthal, Y., Sigman, D. M. and Martinez-Garcia, A.: Growth and collapse of tropical oxygen-deficient zones across Miocene and Pleistocene climate transitions, in Ocean Sciences Meeting 2026 (OSM26). [online] Available from: http://hdl.handle.net/21.11116/0000-0012-0BB4-5, 2025.

Desmettre, S., Dumoulin, C., Coulon, V., Marconi, D., Marshall, T., Muller, S., Ryu, Y., Wald, T., Martinez-Garcia, A., Sigman, D. M. and Fripiat, F.: Global mean ocean nitrate δ¹⁸O as a tracer for the supply and recycling of fixed nitrogen in the ocean, in Ocean Sciences Meeting 2026 (OSM26). [online] Available from: http://hdl.handle.net/21.11116/0000-0012-0BB2-7, 2025.

Dumoulin, C., Desmettre, S., Ai, X., Lacerra, M., Lamy, F., Moretti, S., Muller, S., Studer, A. S., Haug, G., Martinez-Garcia, A., Sigman, D. M. and Fripiat, F.: Meridional nitrate gradients in the Indian Sector of the Southern Ocean over the last glacial cycle, in Ocean Sciences Meeting 2026 (OSM26). [online] Available from: http://hdl.handle.net/21.11116/0000-0012-0B83-C, 2025.

Golub, A., Foreman, A., Duprey, N., Martinez-Garcia, A., Charles, C. D. and Haug, G.: Defining the nitrogen isotopic signature of equatorial Pacific El Niño Southern Oscillation events over the last 150 years, in Ocean Sciences Meeting 2026 (OSM26). [online] Available from: http://hdl.handle.net/21.11116/0000-0012-0B92-B, 2025.

Yehudai, M., Farmer, J. R., Straub, M., Studer, A. S., Oesch, L., Creel, R. C., Schiebel, R., Auderset, A., Lawrence, K., Ogretmen, N., Haug, G. H., Sigman , D. M. and Martinez-Garcia, A.: Reduced N-fixation in the Low Latitude Atlantic during the Warmer Pliocene, in Goldschmidt Prague 2025. [online] Available from: http://hdl.handle.net/21.11116/0000-0011-EE89-7, 2025.

Zander, P. D., Sirocko, F., Du, X., Sun, C., Rubach, F., Haug, G. H. and Martinez-Garcia, A.: Millennial-scale variability of n-alkane D/H ratios in response to Dansgaard-Oeschger cycles, Eifel Volcanic Field, Germany, in Goldschmidt Prague 2025. [online] Available from: http://hdl.handle.net/21.11116/0000-0011-EEC8-0, 2025.

Vink, M., Leichliter, J. N., Vonhof, H., Sambo , R., Stratford , D., Bamford , M., Martinez-Garcia, A. and Lüdecke, T.: First nitrogen isotope data of early Homo of Sterkfontein (South Africa) show that they were not eating substantial amounts of meat, in American journal of biological anthropology, vol. 186: : Program of the 94th Annual Meeting of the American Association of Biological Anthropologists, pp. 172–172, Wiley, Chichester. [online] Available from: https://onlinelibrary.wiley.com/doi/epdf/10.1002/ajpa.70031, 2025.

Auderset, A., Hess, A. V., Petrick, B., Rosenthal, Y., Sigman, D. M. and Martinez-Garcia, A.: Tracing Ocean Oxygen Dynamics Through Time: A Miocene Perspective, in EGU General Assembly 2025, Vienna, Austria & Online., 2025.