Publications of Alfredo Martinez-Garcia

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.

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.

Auderset, A., Smart, S., Ryu, Y., Marconi, D., Ren, H. A., Heins, L., Vonhof, H., Schiebel, R., Repschläger, J., Haug, G. H., Martinez-Garcia, A. and Sigman, D. M.: Species-specific foraminifera-bound nitrogen isotopes as a proxy for symbiosis in fossil foraminifera: A case study using South Atlantic sediments, in AGU Annual Meeting 2024. [online] Available from: http://hdl.handle.net/21.11116/0000-0011-F0AB-D, 2024.

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.

Brömme, S., Martinez-Garcia, A., Mathe, J., Leichliter, J. N., Vonhof, H., Bobe, R., Carvalho, S. and Lüdecke, T.: Inter- and intra-tooth variability in enamel-bound nitrogen isotopic composition of modern African mammals from Gorongosa National Park, Mozambique, in Goldschmidt Lyon 2023. [online] Available from: http://hdl.handle.net/21.11116/0000-000D-4BC7-F, 2023.

Myneni, S., Duan, J., Cloete, R., Sigman, D. M., Lam, P. J., Lanzirotti, A., Newville, M., Martinez-Garcia, A. and Roychoudhury, A.: Speciation of Particulate Zn in the Southern Ocean: Implications for Zn-cycling, in Goldschmidt Lyon 2023. [online] Available from: http://hdl.handle.net/21.11116/0000-000D-67FA-6, 2023.

Rao, Z. C., Lueders-Dumnont, J. A., Stringer, G. L., Martinez-Garcia, A., Haug, G. H. and Sigman, D. M.: Rise in the ¹⁵N-To-¹⁴N Ratio of Otolith-Bound Organic Matter Associated with Late Cretaceous Cooling, in Goldschmidt Honolulu, Hawaii, USA, 2022., 2023.

Yehudai, M., Farmer, J. R., Straub, M., Schiebel, R., Auderset, A., Lawrence, K., Sigman, D. M., Studer, A. S., Ogretmen, N., Haug, G. H. and Martinez-Garcia, A.: North Atlantic N₂ Fixation during the Pliocene-Pleistocene Transition, in Goldschmidt Lyon 2023. [online] Available from: http://hdl.handle.net/21.11116/0000-000D-909C-0, 2023.

Markowska, M., Vonhof, H. B., Groucutt, H. S., Petraglia, M. D., Scholz, D., Weber, M., Gerdes, A., Martinez-Garcia, A., Stewart, M., Martin, A. N., Drake, N., Breeze, P. S., Nicholson, S. L., Fleitmann, D. and Haug, G.: Recurrent humid phases interrupt an overall aridity trend in Arabia over the past 8 million years creating windows of opportunity for biogeographic dispersals, in EGU General Assembly 2023, Vienna, Austria, 24–28 Apr 2023, 2023.

Marshall, T., Sigman , D., Beal, L., Foreman, A., Martinez-Garcia, A., Blain, S., Campbell, E., Fripiat, F., Granger, R., Harris, E., Haug, G., Marconi, D., Oleynik, S., Rafter, P., Roman, R., Sinyanya, K., Smart, S. and Fawcett, S.: Nutrient fluxes in the greater Agulhas Current region: signals of local and remote Indian Ocean nitrogen cycling, in EGU General Assembly 2023, Vienna, Austria, 24–28 Apr 2023, 2023.