Tais Wittchen Dahl
Associate Professor
Section for Geobiology
Øster Voldgade 5-7, 1350 København K
Member of:
- Published
Constraining marine anoxia under the extremely oxygenated Permian atmosphere using uranium isotopes in calcitic brachiopods and marine carbonates
Wang, W., Zhang, F., Shen, S., Bizzarro, Martin, Garbelli, C., Zheng, Q., Zhang, Y., Yuan, D., Shi, Y., Cao, M. & Dahl, Tais Wittchen, 2022, In: Earth and Planetary Science Letters. 594, 15 p., 117714.Research output: Contribution to journal › Journal article › Research › peer-review
Combining sedimentological, trace metal (Mn, Mo) and molecular evidence for reconstructing past water-column redox conditions: the example of meromictic Lake Cadagno (Swiss Alps)
Wirth, S. B., Gilli, A., Niemann, H., Dahl, Tais Wittchen, Ravasi, D., Hamann, Y., Peduzzi, R., Peduzzi, S., Tonolla, M., Lehmann, M. F. & Anselmetti, F. S., 2013, In: Geochimica et Cosmochimica Acta. 120, p. 220-238 19 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Substantial incorporation of isotopically heavy reduced U species into marine carbonate sediments
Yuan, Y., Chen, T., Zhang, F., Liu, Y., Xiong, G., Wei, G., Dahl, Tais Wittchen, Yan, W., Ling, H., Cheng, H. & Shen, S., 2023, In: Geochimica et Cosmochimica Acta. 358, p. 27-37 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Extensive marine anoxia associated with the Late Devonian Hangenberg Crisis
Zhang, F., Dahl, Tais Wittchen, Lenton, T. M., Luo, G., Shen, S. Z., Algeo, T. J., Planavsky, N., Liu, J., Cui, Y., Qie, W., Romaniello, S. J. & Anbar, A. D., 2020, In: Earth and Planetary Science Letters. 533, 11 p., 115976.Research output: Contribution to journal › Journal article › Research › peer-review
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Uranium isotope evidence for extensive shallow water anoxia in the early Tonian oceans
Zhang, F., Stockey, R. G., Xiao, S., Shen, S., Dahl, Tais Wittchen, Wei, G., Cao, M., Li, Z., Kang, J., Cui, Y., Anbar, A. D. & Planavsky, N. J., 2022, In: Earth and Planetary Science Letters. 583, 12 p., 117437.Research output: Contribution to journal › Journal article › Research › peer-review
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Two distinct episodes of marine anoxia during the Permian-Triassic crisis evidenced by uranium isotopes in marine dolostones
Zhang, F., Shen, S. Z., Cui, Y., Lenton, T. M., Dahl, Tais Wittchen, Zhang, H., Zheng, Q. F., Wang, W., Krainer, K. & Anbar, A. D., 2020, In: Geochimica et Cosmochimica Acta. 287, p. 165-179Research output: Contribution to journal › Journal article › Research › peer-review
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Uranium isotopes in marine carbonates as a global ocean paleoredox proxy: A critical review
Zhang, F., Lenton, T. M., del Rey, Álvaro, Romaniello, S. J., Chen, X., Planavsky, N. J., Clarkson, M. O., Dahl, Tais Wittchen, Lau, K. V., Wang, W., Li, Z., Zhao, M., Isson, T., Algeo, T. J. & Anbar, A. D., 2020, In: Geochimica et Cosmochimica Acta. 287, p. 27-49Research output: Contribution to journal › Journal article › Research › peer-review
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Environmental and trilobite diversity changes during the middle-late Cambrian SPICE event
Zhang, L., Algeo, T. J., Zhao, L., Dahl, Tais Wittchen, Chen, Z. Q., Zhang, Z., Poulton, S. W., Hughes, N. C., Gou, X. & Li, C., 2024, In: Geological Society of America. Bulletin. 136, 1-2, p. 810-828 19 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Reply to Planavsky et al.: Strong evidence for high atmospheric oxygen levels 1,400 million years ago
Zhang, S., Wang, X., Wang, H., Bjerrum, Christian J., Hammarlund, E. U., Dahl, Tais Wittchen & Canfield, D. E., 2016, In: National Academy of Sciences. Proceedings. 113, 19, p. E2552-E2553 2 p.Research output: Contribution to journal › Comment/debate › Research › peer-review
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Anomalous marine calcium cycle linked to carbonate factory change after the Smithian Thermal Maximum (Early Triassic)
Zhao, H., Dahl, Tais Wittchen, Chen, Z., Algeo, T. J., Zhang, L., Liu, Y., Hu, Z. & Hu, Z., 2020, In: Earth-Science Reviews. 211, 16 p., 103418.Research output: Contribution to journal › Review › Research › peer-review
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Synchronizing rock clocks in the late Cambrian
Zhao, Zhengfu, Thibault, Nicolas Rudolph, Dahl, Tais Wittchen, Schovsbo, N. H., Sørensen, A. L., Rasmussen, Christian Mac Ørum & Nielsen, Arne Thorshøj, 2022, In: Nature Communications. 13, 11 p., 1990.Research output: Contribution to journal › Journal article › Research › peer-review
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High-resolution carbon isotope chemostratigraphy of the middle Cambrian to lowermost Ordovician in southern Scandinavia: Implications for global correlation
Zhao, Zhengfu, Ahlberg, P., Thibault, Nicolas Rudolph, Dahl, Tais Wittchen, Schovsbo, N. H. & Nielsen, Arne Thorshøj, 2022, In: Global and Planetary Change. 209, 13 p., 103751.Research output: Contribution to journal › Journal article › Research › peer-review
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Dynamic oceanic redox conditions across the late Cambrian SPICE event constrained by molybdenum and uranium isotopes
Zhao, Zhengfu, Pang, X., Zou, C., Dickson, A. J., Basu, A., Guo, Z., Pan, S., Nielsen, Arne Thorshøj, Schovsbo, N. H., Jing, Z. & Dahl, Tais Wittchen, 2023, In: Earth and Planetary Science Letters. 604, 13 p., 118013.Research output: Contribution to journal › Journal article › Research › peer-review
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Untangling the diagenetic history of uranium isotopes in marine carbonates: A case study tracing the δ238U composition of late Silurian oceans using calcitic brachiopod shells
del Rey, Álvaro, Havsteen, J. C., Bizzarro, Martin & Dahl, Tais Wittchen, 2020, In: Geochimica et Cosmochimica Acta. 287, p. 93-110Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Mid-Ludfordian uranium isotope records distinguish the role of expansive marine anoxia in global carbon cycle dynamics during the late Silurian Lau/Kozlowskii bioevent
del Rey, Álvaro, Frýda, J., Calner, M., Frýdová, B., Zhang, F., Wang, C., Planavsky, N. & Dahl, Tais Wittchen, 2023, In: Global and Planetary Change. 229, 104248.Research output: Contribution to journal › Journal article › Research › peer-review
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Stable ocean redox during the main phase of the Great Ordovician Biodiversification Event
del Rey, Álvaro, Rasmussen, Christian Mac Ørum, Calner, M., Wu, R., Asael, D. & Dahl, Tais Wittchen, 2022, In: Communications Earth & Environment. 3, 7 p., 220.Research output: Contribution to journal › Journal article › Research › peer-review
ID: 40103128
Most downloads
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211
downloads
The impacts of land plant evolution on Earth's climate and oxygenation state – An interdisciplinary review
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
148
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Molybdenum Stable Isotope Fractionation: - and the Interpretation of Molybdenum Burial Pathways from Sulfidic Waters to Sediments
Research output: Book/Report › Ph.D. thesis › Research
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123
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Reorganisation of Earth's biogeochemical cycles briefly oxygenated the oceans 520 Myr ago
Research output: Contribution to journal › Journal article › Research › peer-review
Published