Publications of Alfredo Martinez-Garcia

Fripiat, F., Martinez-Garcia, A., Fawcett, S. E., Kemeny, P. C., Studer, A. S., Smart, S. M., Rubach, F., Oleynik, S., Sigman, D. M. and Haug, G. H.: The isotope effect of nitrate assimilation in the Antarctic Zone: Improved estimates and paleoceanographic implications, Geochimica et Cosmochimica Acta, 247, 261–279, doi:10.1016/j.gca.2018.12.003, 2019.

Hasenfratz, A. P., Jaccard, S. L., Martinez-Garcia, A., Sigman, D. M., Hodell, D. A., Vance, D., Bernasconi, S. M., Kleiven, H. F., Haumann, F. A. and Haug, G. H.: The residence time of Southern Ocean surface waters and the 100,000-year ice age cycle, Science, 363(6431), 1080–1084, doi:10.1126/science.aat7067 , 2019.

Kast, E. R., Stolper, D. A., Auderset, A., Higgins, J. A., Ren, H., Wang, X. T., Martinez-Garcia, A., Haug, G. H. and Sigman, D. M.: Nitrogen isotope evidence for expanded ocean suboxia in the early Cenozoic, Science, 364(6438), 386-+, doi:10.1126/science.aau5784, 2019.

Petrick, B. F., Martinez-Garcia, A., Auer, G., Reuning, L., Auderset, A., Deik, H., Takayanagi, H., De Vleeschouwer, D., Iryu, Y. and Haug, G. H.: Glacial Indonesian Throughflow weakening across the Mid-Pleistocene Climatic Transition, Scientific Reports, 9, doi:10.1038/s41598-019-53382-0, 2019.

Petrick, B., Reuning, L. and Martinez-Garcia, A.: Distribution of Glycerol Dialkyl Glycerol Tetraethers (GDGTs) in Microbial Mats From Holocene and Miocene Sabkha Sediments, Frontiers in Earth Science, 7, doi:10.3389/feart.2019.00310, 2019.

Thole, L. M., Amsler, H. E., Moretti, S., Auderset, A., Gilgannon, J., Lippold, J., Vogel, H., Crosta, X., Mazaud, A., Michel, E., Martinez-Garcia, A. and Jaccard, S. L.: Glacial-interglacial dust and export production records from the Southern Indian Ocean, Earth and Planetary Science Letters, 525, doi:10.1016/j.epsl.2019.115716, 2019.

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.