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Dive into the research topics where Daniel Mikhail Sigman is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years
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Collaborative Research: US GEOTRACES GP17-ANT: Nitrogen isotope dynamics on the Amundsen Sea continental margin
Sigman, D. M. (PI)
NSF - National Science Foundation
3/1/23 → 2/28/27
Project: Research project
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US GEOTRACES GP17-OCE: Nitrate isotopic signals of the Southern Ocean's circulation and biogeochemistry
Sigman, D. M. (PI)
NSF - National Science Foundation
10/1/21 → 9/30/25
Project: Research project
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Contrasting evolution of the Arabian Sea and Pacific Ocean oxygen minimum zones during the Miocene
Hess, A. V., Auderset, A., Rosenthal, Y., Sigman, D. M. & Martínez-García, A., Dec 2026, In: Communications Earth and Environment. 7, 1, 47.Research output: Contribution to journal › Article › peer-review
Open Access -
Deglacial stratification of the polar Southern Ocean
Fripiat, F., Sigman, D. M., Ai, X. E., Dumoulin, C., Moretti, S., Studer, A. S., Diekmann, B., Esper, O., Frederichs, T., Lamy, F., Liu, L., Pattyn, F., Schmitt, M., Tiedemann, R., Haug, G. H. & Martínez-García, A., Feb 10 2026, In: Proceedings of the National Academy of Sciences of the United States of America. 123, 6, e2502076123.Research output: Contribution to journal › Article › peer-review
Open Access -
Fossil isotope evidence for trophic simplification on modern Caribbean reefs
Lueders-Dumont, J. A., O’Dea, A., Dillon, E. M., de Gracia, B., Lin, C. H., Oleynik, S., Finnegan, S., Sigman, D. M. & Wang, X. T., Mar 26 2026, In: Nature. 651, 8107, p. 967-973 7 p.Research output: Contribution to journal › Article › peer-review
Open Access -
Prokaryotic bias in surface ocean particles
Ryu, Y., Maloney, A. E., Luu, V. H., Guo, L., Oleynik, S., Fawcett, S. E., Higgins, M. B., Van Oostende, N., Ward, B. B., Cook, C. C. Z., Cohen, N. R., Ewton, E., Menden-Deuer, S., Granger, J., Marchetti, A., Aardema, H. M., Slagter, H. A., Schiebel, R., Martínez-García, A. & Haug, G. H. & 1 others, , Apr 7 2026, In: Proceedings of the National Academy of Sciences of the United States of America. 123, 14, e2500624123.Research output: Contribution to journal › Article › peer-review
Open Access -
The isotopic composition of solid-phase extracted dissolved organic nitrogen in seawater
Ryu, Y., Marconi, D., Smart, S. M., Fawcett, S. E., Johnson, R., Zhang, R., Knapp, A. N., Oleynik, S., Martínez-García, A., Haug, G. H. & Sigman, D. M., May 2026, In: Marine Chemistry. 276, 104646.Research output: Contribution to journal › Article › peer-review
Open Access