Tais Wittchen Dahl

Tais Wittchen Dahl

Associate Professor

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    ORCID: 0000-0003-4629-8036

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    1. Published

      Identifying remnants of early Earth

      Dahl, Tais Wittchen, 2016, In: Science. 352, 6287, p. 768-769 2 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    2. Published

      Land plant evolution and global erosion rates: Reply to Neil S. Davies and William J. McMahon

      Dahl, Tais Wittchen & Arens, S. K. M., 2021, In: Chemical Geology. 573, 2 p., 120167.

      Research output: Contribution to journal › Comment/debate › Research › peer-review

    3. Published

      Land plant evolution and global erosion rates: Reply to Neil S. Davies and William J. McMahon

      Dahl, Tais Wittchen & Arens, S. K. M., 5 Jul 2021, In: Chemical Geology. 573, 120167.

      Research output: Contribution to journal › Comment/debate › Research › peer-review

    4. Published

      Low atmospheric CO2 levels before the rise of forested ecosystems

      Dahl, Tais Wittchen, Harding, Magnus August Ravn, Brugger, J., Feulner, G., Norrman, K., Lomax, B. H. & Junium, C. K., 2022, In: Nature Communications. 13, 10 p., 7616.

      Research output: Contribution to journal › Journal article › Research › peer-review

    5. 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

    6. Published

      Mo isotope variations in meromictic Lake Cadagno

      Dahl, Tais Wittchen, Anbar, A. D., Gordon, G. W., Frei, Robert & Canfield, D. E., 2008, In: Geochim. Cosmochim.. Acta 71, Supplement 1, p. p. A196

      Research output: Contribution to journal › Conference abstract in journal › Research

    7. Molybdenum Stable Isotope Fractionation: - and the Interpretation of Molybdenum Burial Pathways from Sulfidic Waters to Sediments

      Dahl, Tais Wittchen, 25 Feb 2009, 205 p.

      Research output: Book/Report › Ph.D. thesis › Research

    8. Published

      Molybdenum evidence for expansive sulfidic water masses in similar ∼ 750 Ma oceans

      Dahl, Tais Wittchen, Canfield, D. E., Rosing, Minik Thorleif, Frei, Robert, Gordon, G. W., Knoll, A. H. & Anbar, A. D., 2011, In: Earth and Planetary Science Letters. 311, 3-4, p. 264-274

      Research output: Contribution to journal › Journal article › Research › peer-review

    9. Published

      Molybdenum isotope fractionation and speciation in a euxinic lake—Testing ways to discern isotope fractionation processes in a sulfidic setting

      Dahl, Tais Wittchen & Wirth, S. B., 5 Jun 2017, In: Chemical Geology. 460, p. 84-92 9 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    10. Published

      Molybdenum isotope variations in a redox-stratified lake: Removal mechanism and preservation in euxinic sediments

      Dahl, Tais Wittchen, Anbar, A. D., Gordon, G. W., Rosing, Minik Thorleif, Frei, Robert & Canfield, D. E., 2008, Geochim. Cosmochim. Acta,. Vol. 72/12S. p. A194

      Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

    11. Molybdenum reduction in a sulfidic lake: evidence from X-ray absorption fine–structure spectroscopy and implications for the Mo paleoproxy

      Dahl, Tais Wittchen, Chappaz, A., Fitts, J. P. & Lyons, T. W., Feb 2013, In: Geochimica et Cosmochimica Acta. 103, p. 213-231 19 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    12. Published

      No evidence for a volcanic trigger for late Cambrian carbon-cycle perturbations

      Frieling, J., Mather, T. A., Fendley, I. M., Jenkyns, H. C., Zhao, Zhengfu, Dahl, Tais Wittchen, Bergquist, B. A., Cheng, K., Nielsen, Arne Thorshøj & Dickson, A. J., 2024, In: Geology. 52, 1, p. 12-16 5 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    13. Published

      Ocean redox conditions between the snowballs: geochemical constraints from Arena Formation, East Greenland

      Scheller, E. L., Dickson, A. J., Canfield, D. E., Korte, Christoph, Kristiansen, K. K. & Dahl, Tais Wittchen, 1 Dec 2018, In: Precambrian Research. 319, p. 173-186 14 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    14. Published

      Paired U and Mo isotope evidence for pervasive anoxia in the Cryogenian early interglacial ocean

      Pan, W., Cao, M., Du, Y., Cheng, M., Zhou, Y. Q., Algeo, T. J., Zhao, M. Y., Thibault, Nicolas Rudolph, Li, C., Wei, G. Y. & Dahl, Tais Wittchen, 2021, In: Precambrian Research. 361, 13 p., 106244.

      Research output: Contribution to journal › Journal article › Research › peer-review

    15. Planetkort: Bokssæt

      Dahl, Tais Wittchen, Leer, K., Pagh, M. & Jensen, F. (ed.), May 2011, Forlaget Meloni, Odense : Meloni.

      Research output: Other contribution › Education

    16. Published

      Planetkort

      Dahl, Tais Wittchen, 2007, Danmark

      Research output: Other contribution › Education

    17. Planetkort: - et nervepirrende undervisningsspil om solsystemet

      Dahl, Tais Wittchen, 2007

      Research output: Non-textual form › 2D/3D (psysical products) › Education

    18. Planetkort lærervejledning

      Jensen, F., Dahl, Tais Wittchen, Leer, K. & Pagh, M., 2008, Geografforlaget.

      Research output: Other contribution › Education

    19. Published

      Precise and accurate δ13C analysis of rock samples using Flash Combustion–Cavity Ring Down Laser Spectroscopy

      Balslev-Clausen, D. M., Dahl, Tais Wittchen, Saad, N. & Rosing, Minik Thorleif, 1 Apr 2013, In: Journal of Analytical Atomic Spectrometry. 28, 4, p. 516-523 8 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    20. Published

      Redox dynamics of later Cambrian oceans

      Gill, B. C., Dahl, Tais Wittchen, Hammarlund, E. U., LeRoy, M. A., Gordon, G. W., Canfield, D. E., Anbar, A. D. & Lyons, T. W., 2021, In: Palaeogeography, Palaeoclimatology, Palaeoecology. 581, 15 p., 110623.

      Research output: Contribution to journal › Journal article › Research › peer-review

    21. Published

      Reorganisation of Earth's biogeochemical cycles briefly oxygenated the oceans 520 Myr ago

      Dahl, Tais Wittchen, Connelly, James, Kouchinsky, A., Gill, B. C., Månsson, S. F. & Bizzarro, Martin, 15 Jun 2017, In: Geochemical Perspectives Letters. 3, 2, p. 210-220 11 p.

      Research output: Contribution to journal › Journal article › Research › peer-review

    22. Reply to Butterfield: The Devonian radiation of large predatory fish coincided with elevated atmospheric oxygen levels

      Dahl, Tais Wittchen, Hammarlund, E., Anbar, A., Bond, D., Gill, B. C., Gordon, G., Knoll, A. H. & Canfield, D. E., 2011, In: Proceedings of the National Academy of Sciences of the United States of America. 108, 9, p. E29

      Research output: Contribution to journal › Comment/debate › Research › peer-review

    23. 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 journal › Comment/debate › Research › peer-review

    24. Published

      Stabilization of the coupled oxygen and phosphorus cycles by the evolution of bioturbation

      Boyle, R., Dahl, Tais Wittchen, Dale, A. W., Shields-Zhou, G. A., Zhu, M., Brasier, M. D., Canfield, D. E. & Lenton, T. M., 2014, In: Nature Geoscience. 7, 9, p. 671-676 6 p.

      Research output: Contribution to journal › Letter › Research › peer-review

    25. 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 journal › Journal article › Research › peer-review

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    ID: 40103128