peer-reviewed articles
Research as lead-author
Effects of photosymbiosis and related processes on planktic foraminifera-bound nitrogen isotopes in South Atlantic sediments
Alexandra Auderset, Sandi Smart, Yeongjun Ryu, Dario Marconi, Haojia Abby Ren, ... & Alfredo Martínez-García, 2025, Biogeosciences, DOI: 10.5194/bg-22-1887-2025
Sea level modulation of Atlantic nitrogen fixation over glacial cycles
Alexandra Auderset, François Fripiat, Roger Creel, Janne Repschläger, Ed Hathorne, Hubert Vonhof, … & Alfredo Martínez-García, 2024, Paleoceanography and Paleoclimatology, DOI: 10.1029/2024PA004878
Enhanced ocean oxygenation during Cenozoic warm periods
Alexandra Auderset, Simone Moretti, Björn Taphorn, Pia-Rebecca Ebner, Emma Kast, Xingchen T. Wang, Ralf Schiebel, Daniel M. Sigman, Gerald H. Haug, & Alfredo Martínez-García, 2022 , Nature , DOI: 10.1038/s41586-022-05017-0
Simultaneous extraction and chromatographic separation of n-alkanes and alkenones from glycerol dialkyl glycerol tetraethers via selective Accelerated Solvent Extraction
Alexandra Auderset, Mareike Schmitt, & Alfredo Martínez-García , 2020 , Organic Geochemistry , DOI: 10.1016/j.orggeochem.2020.103979
Gulf Stream intensification after the early Pliocene shoaling of the Central American Seaway
Alexandra Auderset, Alfredo Martínez-García, Ralf Tiedemann, Adam P. Hasenfratz, Timothy I. Eglinton, Ralf Schiebel, Daniel M. Sigman, & Gerald H. Haug , 2019 , Earth and Planetary Science Letters , DOI: 10.1016/j.epsl.2019.05.022
Research as co-author
2025
Reviews and syntheses: Review of proxies for low-oxygen paleoceanographic reconstructions
Babette Hoogakker, Catherine Davis, Yi Wang, Stephanie Kusch, Katrina Nilsson-Kerr, ..., Alexandra Auderset, ... and Yuxin Zhou, Biogeosciences, DOI: 10.5194/bg-22-863-2025
2024
Oxygen rise in the tropical upper ocean during the Paleocene-Eocene Thermal Maximum
Simone Moretti, Alexandra Auderset, Curtis Deutsch, Ronja Schmitz, Lukas Gerber, Ellen Thomas, ... & Alfredo Martínez-García, 2024, Science, DOI: 10.1126/science.adh4893
High sea surface temperatures were a prerequisite for the development and expansion of the Great Barrier Reef
Benjamin Petrick, Lars Reuning, Alexandra Auderset, Miriam Pfeiffer, Gerald Auer and Lorenz Schwark, 2024, Science Advances, DOI: 10.1126/sciadv.ado2058
The Micropaleoecology Framework: Evaluating biotic responses to global change through paleoproxy, microfossil, and ecological data integration
Adam Woodhouse, Anshuman Swain, Jansen Smith, Elizabeth Sibert, Adriane Lam, Jennifer Dunne and Alexandra Auderset, 2024, Ecology and Evolution, DOI: 10.1002/ece3.70470
The southward migration of the Antarctic Circumpolar Current enhanced oceanic degassing of carbon dioxide during the last two deglaciations
Xuyuan E. Ai, Lena M. Thöle, Alexandra Auderset, Mareike Schmitt, Simone Moretti, ... and Samuel L. Jaccard, 2024, Communications & Earth Environment, DOI: 10.1038/s43247-024-01216-x
Reconstruction of warm season temperatures in central Europe during the past 60,000 years from lacustrine GDGTs
Paul Zander, Daniel Böhl, Frank Sirocko, Alexandra Auderset, Gerald Haug, & Alfredo Martínez-García, 2024, Climate of the Past, DOI: 10.5194/cp-20-841-2024, 2024
A marine record of Patagonian ice sheet changes over the past 140,000 years
Julia R. Hagemann, Frank Lamy, Helge W. Arz, Lester Lembke-Jene, Alexandra Auderset, Naomi Harada,... & Ralf Tiedemann, 2024, PNAS, DOI: 10.1073/pnas.2302983121
Probing the open ocean with the research sailing yacht Eugen Seibold for climate geochemistry
Ralf Schiebel, Hedy Aardema , Maria Calleja , Antonis Dragoneas , Lena Heins , ..., Alexandra Auderset, ... & Gerald H. Haug, N, 2024, Journal of Geophysical Research: Atmospheres, DOI:10.1029/2023JD040581
Tracking Agulhas leakage in the South Atlantic using modern planktic foraminifera nitrogen isotopes
Robyn Granger, Sandi Smart, Alan Foreman, Alexandra Auderset, Ethan Campbell, ... & Sarah E. Fawcett, 2024, Geochemistry, Geophysics, Geosystems, DOI:10.1029/2023GC011190
2023
Analytical improvements and assessment of long-term performance of the oxidation-denitrifier method
Simone Moretti, Nicolas N. Duprey, Alan D. Foreman, Anthea Arns, Sven Brömme, Jonathan Jung, Xuyuan E. Ai, Alexandra Auderset, ... & Alfredo Martínez-García, 2023, Rapid Communications in Mass Spectrometry, DOI: 10.1002/rcm.9650
Nitrogen isotopic composition as a gauge of tumor cell anabolism-to-catabolism ratio
Marietta Straub, Alexandra Auderset, Laurence de Leval, Nathalie Piazzon, Damien Maison, ... & Alfredo Martínez-García, 2023, Scientific Reports, DOI: 10.1038/s41598-023-45597-z
A well oxygenated eastern tropical Pacific during the warm Miocene
Anya V. Hess, Alexandra Auderset, Yair Rosenthal, Kenneth G. Miller, Xiaoli Zhou, Daniel M. Sigman & Alfredo Martínez-García, 2023, Nature, DOI: 10.1038/s41586-023-06104-6
The impact of incomplete nutrient consumption in the Southern Ocean on global mean ocean nitrate δ15N
François Fripiat, Daniel M. Sigman, Alfredo Martínez-García, Dario Marconi, Xuyuan Ai, Alexandra Auderset, ... & Gerald H. Haug, 2023, Global Biogeochemical Cycles, DOI: 10.1029/2022GB007442
2022
Oceanic nutrient rise and the late Miocene inception of Pacific oxygen-deficient zones
Xingchen Tony Wang, Yuwei Wang, Alexandra Auderset, Daniel M. Sigman, Haojia Ren, Alfredo Martínez-García, ... & Woodward W. Fischer, 2022 , PNAS , DOI: 10.1073/pnas.2204986119
Laboratory assessment of the impact of chemical oxidation, mineral dissolution, and heating on the nitrogen isotopic composition of fossil‐bound organic matter
Alfredo Martínez‐García, Jonathan Jung, Xuyuan E. Ai, Daniel M. Sigman, Alexandra Auderset, Nicolas N. Duprey, ... & Tanja Wald , 2022 , Geochemistry, Geophysics, Geosystems , DOI: 10.1029/2022GC010396
2021
Distinct nitrogen isotopic compositions of healthy and cancerous tissue in mice brain and head&neck micro-biopsies
Marietta Straub, Daniel M. Sigman, Alexandra Auderset, Jonathan Ollivier, B. Petit, Barbara Hinnenberg, ... & A. Martínez-García, 2021 , BMC cancer , DOI: 10.1186/s12885-021-08489-x
2020
Coupled Southern Ocean cooling and Antarctic ice sheet expansion during the middle Miocene
Thomas J. Leutert, Alexandra Auderset, Alfredo Martínez-García, Sevasti Modestou, & A. Nele Meckler , 2020 , Nature Geoscience , DOI: 10.1038/s41561-020-0623-0
2019
Glacial Indonesian Throughflow weakening across the Mid-Pleistocene Climatic Transition
Benjamin Petrick, Alfredo Martínez-García, Gerald Auer, Lars Reuning, Alexandra Auderset, ... & Gerald H. Haug , 2019 , Scientific Reports , DOI: 10.1038/s41598-019-53382-0
Glacial-interglacial dust and export production records from the Southern Indian Ocean
Lena M. Thöle, H. Eri Amsler, Simone Moretti, Alexandra Auderset, James Gilgannon, ... & Samuel L. Jaccard , 2019 , Earth and Planetary Science Letters , DOI: 10.1016/j.epsl.2019.115716
Nitrogen isotope evidence for expanded ocean suboxia in the early Cenozoic
Emma R. Kast, Daniel A. Stolper, Alexandra Auderset, John A. Higgins, Haojia Ren, ... & Daniel M. Sigman , 2019 , Science , DOI: 10.1126/science.aau5784
in review & accepted
Contrasting Evolution of the Arabian Sea and Pacific Ocean Oxygen Minimum Zones during the Miocene
Anya Hess, Alexandra Auderset (joint first author), Yair Rosenthal, Daniel Sigman & Alfredo Martínez-García, Nature Communications, in review.
Reviews and syntheses: Best practices for the application of marine GDGTs as proxy for paleotemperatures: sampling, processing, analyses, interpretation, and archiving protocols
Peter K. Bijl, Kasia K. Sliwinska, Bella Duncan, Arnaud Huguet, ... , Alexandra Auderset, ... & Yige Zhang, Biogeosciences, in review.
Persistent eastern equatorial Pacific Ocean upwelling since the warm Pliocene
Patrick A. Rafter, Jesse R. Farmer, Alfredo Martínez-García, A. C. Ravelo, ... , Alexandra Auderset... & Daniel M. Sigman, Science, in review.
in preparation
Enhanced deep-sea methane release during the warm Miocene
Alexandra Auderset, Gordon N. Inglis, Jesse R. Farmer & Alfredo Martínez-García, in prep. for Nature Geoscience
Reduced equatorial Pacific upwelling and carbon export during the Miocene Climate Optimum
Alexandra Auderset, Daniel Sigman & Alfredo Martínez-García, in prep. for GRL
MioOcean - Database compilation and application of temperature proxies in the Miocene oceans
Sindia Sosdian, Alexandra Auderset, Sevi Modestou, Ann Holbourn & MioOcean working group, in prep. for Earth System Science Data (ESSD)
MioTEX - A comprehensive GDGT-based sea surface temperature compilation for the Miocene
Alexandra Auderset, Xiaoqing Liu, Neeraj S. Shah, Sarah Feakins, Francesca Sangiorgi, ... & Yige Zhang, in prep. for Earth System Science Data (ESSD)
MioMg - Reconstructing robust ocean temperatures from Miocene foraminiferal Mg/Ca records
Sindia Sosdian, Karlos Kochann, Anya Hess, Alexandra Auderset & MioMg working group, in prep. for Earth System Science Data (ESSD)