Publications of Alfredo Martinez-Garcia

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.

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.

Snowling, C., Wolf, A., Breitenbach, S. F. M., Bendle, J., Martinez-Garcia, A., Schäfer, J., McGee, D., Jost, A. B., Limbert, D. and Ersek, V.: A Multiproxy Approach to study Vegetation and Temperature Changes since the Last Glacial in Central Vietnam, in EGU General Assembly 2025, Vienna, Austria & Online., 2025.

Wald, T., Ai, X. E., Fripiat, F., Montagna, P., Pons-Branchu, E., Schiebel, R., Haug, G. H., Sigman, D. M. and Martinez-Garcia, A.: Foraminifera-bound nitrogen isotopes during the last 160 ka in the Mediterranean Sea, in Goldschmidt Chicago 2024. [online] Available from: http://hdl.handle.net/21.11116/0000-000F-5425-9, 2024.

Muller, S., Fripiat, F., Martinez-Garcia, A., Jaccard, S. L., Hölemann, J. A. and Delille, B.: Nitrous oxide dynamics in the Arctic Siberian shelves of the North Kara Sea during summer 2021, in EGU General Assembly 2024, Vienna, Austria & Online., 2024.

Auderset, A., Hess , A., Moretti, S., Sigman, D. and Martinez-Garcia, A.: Is the ocean losing its breath? Insights into ocean oxygenation from Cenozoic warm periods, in EGU General Assembly 2024, Vienna, Austria & Online., 2024.

Hagemann, J. R., Martinez-Garcia, A., Lamy, F., Kaiser, J., Lembke-Jene, L., Arz, H. W., Lange, C. B. and Tiedemann, R.: Environmental parameters affect palaeothermometry of Alkenones and GDGTs: A case study at the Southern Chilean Margin (46° S), in EGU General Assembly 2024, Vienna, Austria & Online., 2024.

Moretti, S., Auderset, A., Deutsch, C., Schmitz, R., Gerber, L., Thomas, E., Luciani, V., Petrizzo, M. R., Schiebel, R., Tripati, A., Sexton, P., Norris, R., d'Onofrio, R., Zachos, J., Sigman, D., Haug, G. and Martinez-Garcia, A.: Foraminifera nitrogen isotopes and body size reveal an oxygen rise in the tropical upper ocean during the Paleocene-Eocene Thermal Maximum (PETM), in EGU General Assembly 2024, Vienna, Austria & Online., 2024.

Sigman, D. M., Ryu, Y., Marconi, D., Martinez-Garcia, A. and Haug, G. H.: Nitrogen fixation rate in the North Atlantic estimated from the total dissolved nitrogen isotopic distribution, in Ocean Sciences Meeting 2024. [online] Available from: http://hdl.handle.net/21.11116/0000-000F-214E-5, 2024.

Moretti, S., Auderset, A., Deutsch, C. A., Schmitz, R., Gerber, L., Thomas, E., Luciani, V., Petrizzo, M. R., Schiebel, R., Tripati, A. K., Sexton, P. F., Norris, R. D., D’Onofrio, R., Zachos, J. C., Sigman, D. M., Haug, G. H. and Martinez-Garcia, A.: Widespread tropical subsurface ocean oxygenation during the Paleocene-Eocene Thermal Maximum (Invited), in AGU Fall Meeting 2023. [online] Available from: http://hdl.handle.net/21.11116/0000-000F-D14C-0, 2023.

Ai, X., Studer, A. S., Thöle, L., Gottschalk, J., Martinez-Garcia, A., Michel, E., CRosta, X., Smart, S., Fripiat, F., Sigman, D. D. M. and Haug, G. H.: Deglacial timing of biogeochemical changes in the Antarctic and Polar Frontal Zones: Evidence for a northward shift in wind-driven upwelling during the glacial interval, in 14th International Conference on Paleoceanography (29 August 2022 - 02 September 2022: Bergen). [online] Available from: http://hdl.handle.net/21.11116/0000-000D-4C37-1, 2023.

Ai, X. E., Thöle, L. M., Auderset, A., Schmitt, M., Moretti, S., Studer, A. S., Michel, E., Wegmann, M., Mazaud, A., Bijl, P. K., Sigman, D. M., Martinez-Garcia, A. and Jaccard, S. L.: Meridional migration of the Antarctic Circumpolar Current over the last glacial cycle, in Goldschmidt Lyon 2023. [online] Available from: http://hdl.handle.net/21.11116/0000-000D-67F8-8, 2023.