Tais Wittchen Dahl

Tais Wittchen Dahl

Associate Professor

Member of:


    1. 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 journalJournal articleResearchpeer-review

    2. 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 journalJournal articleResearchpeer-review

    3. Published

      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 journalJournal articleResearchpeer-review

    4. Published

      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 journalJournal articleResearchpeer-review

    5. Published

      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 journalJournal articleResearchpeer-review

    6. Published

      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. 165-179

      Research output: Contribution to journalJournal articleResearchpeer-review

    7. Published

      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. 27-49

      Research output: Contribution to journalJournal articleResearchpeer-review

    8. Published

      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 journalJournal articleResearchpeer-review

    9. Published

      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 journalComment/debateResearchpeer-review

    10. Published

      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 journalReviewResearchpeer-review

    11. Published

      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 journalJournal articleResearchpeer-review

    12. Published

      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 journalJournal articleResearchpeer-review

    13. Published

      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 journalJournal articleResearchpeer-review

    14. Published

      Synchronizing Rock Clocks in the Cambrian

      Zhao, Zhengfu, Thibault, Nicolas Rudolph, Dahl, Tais Wittchen, Schovsbo, N. H., Sørensen, A. L., Rasmussen, Christian Mac Ørum & Nielsen, Arne Thorshøj, 2021. 1 p.

      Research output: Contribution to conferenceConference abstract for conferenceResearch

    15. Published

      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. 93-110

      Research output: Contribution to journalJournal articleResearchpeer-review

    16. 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 journalJournal articleResearchpeer-review

    17. Published

      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 journalJournal articleResearchpeer-review

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