Publications of Alfredo Martinez-Garcia

Dumoulin, C.; Desmettre, S.; Ai, X.; Lacerra, M.; Lamy, F.; Moretti, S.; Muller, S.; Studer, A. S.; Haug, G.; Martinez-Garcia, A. et al.; Sigman, D. M.; Fripiat, F.: Meridional nitrate gradients in the Indian Sector of the Southern Ocean over the last glacial cycle. In Ocean Sciences Meeting 2026 (OSM26), CC13B-04. Ocean Sciences Meeting, Glasgow, Scotland, February 22, 2026 - February 27, 2026. (2025)

Golub, A.; Foreman, A.; Duprey, N.; Martinez-Garcia, A.; Charles, C. D.; 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), OB42B-03. Ocean Sciences Meeting, Glasgow, Scotland, February 22, 2026 - February 27, 2026. (2025)

Yehudai, M.; Farmer, J. R.; Straub, M.; Studer, A. S.; Oesch, L.; Creel, R. C.; Schiebel, R.; Auderset, A.; Lawrence, K.; Ogretmen, N. et al.; Haug, G. H.; Sigman , D. M.; Martinez-Garcia, A.: Reduced N-fixation in the Low Latitude Atlantic during the Warmer Pliocene. In Goldschmidt Prague 2025, 32012. Goldschmidt 2025, Prague, July 06, 2025 - July 11, 2025. (2025)

Zander, P. D.; Sirocko, F.; Du, X.; Sun, C.; Rubach, F.; Haug, G. H.; 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, 32132 . Goldschmidt 2025, Prague, July 06, 2025 - July 11, 2025. (2025)

Vink, M.; Leichliter, J. N.; Vonhof, H.; Sambo , R.; Stratford , D.; Bamford , M.; Martinez-Garcia, A.; 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, 186: : Program of the 94th Annual Meeting of the American Association of Biological Anthropologists, p. 172 - 172. 94th Annual Meeting of the American Association of Biological Anthropologists, Baltimore MD, March 12, 2025 - March 15, 2025. Wiley, Chichester (2025)

Auderset, A.; Hess, A. V.; Petrick, B.; Rosenthal, Y.; Sigman, D. M.; Martinez-Garcia, A.: Tracing Ocean Oxygen Dynamics Through Time: A Miocene Perspective. In EGU General Assembly 2025, Vienna, Austria & Online, EGU25-740 . EGU General Assembly 2025, Vienna, April 27, 2025 - May 02, 2025. (2025)

Snowling, C.; Wolf, A.; Breitenbach, S. F. M.; Bendle, J.; Martinez-Garcia, A.; Schäfer, J.; McGee, D.; Jost, A. B.; Limbert, D.; 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, EGU25-896. EGU General Assembly 2025, Vienna, April 27, 2025 - May 02, 2025. (2025)

Auderset, A.; Smart, S.; Ryu, Y.; Marconi, D.; Ren, H. A.; Heins, L.; Vonhof, H.; Schiebel, R.; Repschläger, J.; Haug, G. H. et al.; Martinez-Garcia, A.; 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, PP43A-0388 . AGU Annual Meeting, Washington, DC, December 09, 2024 - December 13, 2024. (2024)

Wald, T.; Ai, X. E.; Fripiat, F.; Montagna, P.; Pons-Branchu, E.; Schiebel, R.; Haug, G. H.; Sigman, D. M.; Martinez-Garcia, A.: Foraminifera-bound nitrogen isotopes during the last 160 ka in the Mediterranean Sea. In Goldschmidt Chicago 2024, 21291. Goldschmidt 2024, Chicago, IL, August 18, 2024 - August 23, 2024. (2024)

Muller, S.; Fripiat, F.; Martinez-Garcia, A.; Jaccard, S. L.; Hölemann, J. A.; 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, EGU24-13280. EGU General Assembly 2024, Vienna, April 14, 2024 - April 19, 2024. (2024)

Auderset, A.; Hess , A.; Moretti, S.; Sigman, D.; 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, EGU24-17106. EGU General Assembly 2024, Vienna, April 14, 2024 - April 19, 2024. (2024)

Hagemann, J. R.; Martinez-Garcia, A.; Lamy, F.; Kaiser, J.; Lembke-Jene, L.; Arz, H. W.; Lange, C. B.; 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, EGU24-18691. EGU General Assembly 2024, Vienna, April 14, 2024 - April 19, 2024. (2024)

Moretti, S.; Auderset, A.; Deutsch, C.; Schmitz, R.; Gerber, L.; Thomas, E.; Luciani, V.; Petrizzo, M. R.; Schiebel, R.; Tripati, A. et al.; Sexton, P.; Norris, R.; d'Onofrio, R.; Zachos, J.; Sigman, D.; Haug, G.; 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, EGU24-11373. EGU General Assembly 2024, Vienna, April 14, 2024 - April 19, 2024. (2024)

Sigman, D. M.; Ryu, Y.; Marconi, D.; Martinez-Garcia, A.; Haug, G. H.: Nitrogen fixation rate in the North Atlantic estimated from the total dissolved nitrogen isotopic distribution. In Ocean Sciences Meeting 2024, OB31A-01. Ocean Sciences Meeting, New Orleans, LA, February 18, 2024 - February 23, 2024. (2024)

Moretti, S.; Auderset, A.; Deutsch, C. A.; Schmitz, R.; Gerber, L.; Thomas, E.; Luciani, V.; Petrizzo, M. R.; Schiebel, R.; Tripati, A. K. et al.; Sexton, P. F.; Norris, R. D.; D’Onofrio, R.; Zachos, J. C.; Sigman, D. M.; Haug, G. H.; Martinez-Garcia, A.: Widespread tropical subsurface ocean oxygenation during the Paleocene-Eocene Thermal Maximum (Invited). In AGU Fall Meeting 2023, PP33B-05. AGU Fall Meeting, San Francisco, CA, December 11, 2023 - December 15, 2023. (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. et al.; 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). 14th International Conference on Paleoceanography , Bergen, August 29, 2022 - September 02, 2022. (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. et al.; Sigman, D. M.; Martinez-Garcia, A.; Jaccard, S. L.: Meridional migration of the Antarctic Circumpolar Current over the last glacial cycle. In Goldschmidt Lyon 2023. Goldschmidt 2023, Lyon, July 09, 2023 - July 14, 2023. (2023)

Brömme, S.; Martinez-Garcia, A.; Mathe, J.; Leichliter, J. N.; Vonhof, H.; Bobe, R.; Carvalho, S.; 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. Goldschmidt 2023, Lyon, July 09, 2023 - July 14, 2023. (2023)

Myneni, S.; Duan, J.; Cloete, R.; Sigman, D. M.; Lam, P. J.; Lanzirotti, A.; Newville, M.; Martinez-Garcia, A.; Roychoudhury, A.: Speciation of Particulate Zn in the Southern Ocean: Implications for Zn-cycling. In Goldschmidt Lyon 2023. Goldschmidt 2023, Lyon, July 09, 2023 - July 14, 2023. (2023)

Rao, Z. C.; Lueders-Dumnont, J. A.; Stringer, G. L.; Martinez-Garcia, A.; Haug, G. H.; 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. Goldschmidt 2022, Honolulu , July 11, 2022 - July 15, 2022. (2023)