Kimberly Lau
Kimberly Lau is a sedimentary geochemist who uses isotopes and modeling to understand the controls and feedbacks on biogeochemical cycles in Earth’s past. She investigates how environments and cycles of biogeochemical elements have changed in Earth’s oceans over geologic timescales.
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Recent Publications
Localized and Transient Oxygenation of Shallow Oceans of Southwestern Laurentia at the Ediacaran–Cambrian Boundary
Chanchai, W., Nelson, L. L., Smith, E. F., Hardisty, D. S., Lonsdale, M. C., Burke, J. E. & Lau, K. V., Jan 1 2026, In: Geobiology. 24, 1, e70039.Research output: Contribution to journal › Article › peer-review
How Well Do We Understand the Geological Carbon Cycle?
Coogan, L. A., Lau, K. V. & Rugenstein, J. K. C., Feb 2026, In: Elements. 22, 1, p. 12-17 6 p.Research output: Contribution to journal › Article › peer-review
Unsteady Gypsum Cycling as a Driver of Cryptic Perturbations in the Ancient Carbon Cycle
Hantsoo, K. & Lau, K. V., Apr 2026, In: Paleoceanography and Paleoclimatology. 41, 4, e2025PA005367.Research output: Contribution to journal › Article › peer-review
Experimental constraints on the partitioning behaviour of uranium (VI) in dolomite
McCormick, C. A., Hardisty, D. S., Pederson, C. L., Dietrich, W. L., Bondzie-Selby, I., Hashim, M. S. & Lau, K. V., May 1 2026, In: Geochimica et Cosmochimica Acta. 420, p. 228-245 18 p.Research output: Contribution to journal › Article › peer-review
Heterogeneous Carbonate Lithium Isotope Records Across the end-Permian Mass Extinction Indicate a Highly Perturbed Lithium Cycle in the Early Triassic
Taylor, K., Rauzi, S., Isson, T., Ibarra, D. E., Hülse, D., Kimmig, S., Payne, J. L., Altiner, D., Lehrmann, D. J., Kalderon-Asael, B., Planavsky, N. J. & Lau, K. V., Jan 2026, In: American Journal of Science. 326, p. 1-26 26 p.Research output: Contribution to journal › Article › peer-review
Advanced 2D XRF imaging of uranium oxidation states using HERFD at the U M4 edge
Bazarkina, E. F., Lau, K. V., Chappaz, A., Bastrakov, E., Etschmann, B., Brugger, J., Marshall, M., Meyer, F. M., Boreham, C. J., Amidani, L. & Kvashnina, K. O., Feb 5 2025, In: Chemical Communications. 61, 19, p. 3840-3843 4 p.Research output: Contribution to journal › Article › peer-review
Iron Isotopes reveal volcanogenic input during Oceanic Anoxic Event 2 (OAE 2 ∼ 94 Ma)
Nana Yobo, L., Williams, H. M., Brandon, A. D., Holmden, C., Lau, K. V., Bergman, S. C., Eldrett, J. S. & Minisini, D., Jan 15 2025, In: Geochimica et Cosmochimica Acta. 389, p. 157-167 11 p.Research output: Contribution to journal › Article › peer-review
Lithological Controls on Aqueous Phosphorus on Ocean-covered Exoplanets
Stone, A. T., Foley, B. J., Tutolo, B. M. & Lau, K. V., Nov 1 2025, In: Planetary Science Journal. 6, 11, 258.Research output: Contribution to journal › Article › peer-review
All aboard! Earth system investigations with the CH2O-CHOO TRAIN v1.0
Kukla, T., Ibarra, D. E., Lau, K. V. & Rugenstein, J. K. C., Oct 4 2023, In: Geoscientific Model Development. 16, 19, p. 5515-5538 24 p.Research output: Contribution to journal › Article › peer-review
Reduction in animal abundance and oxygen availability during and after the end-Triassic mass extinction
Singh, P., Lu, W., Lu, Z., Jost, A. B., Lau, K., Bachan, A., van de Schootbrugge, B. & Payne, J. L., Mar 2023, In: Geobiology. 21, 2, p. 175-192 18 p.Research output: Contribution to journal › Article › peer-review
Marine siliceous ecosystem decline led to sustained anomalous Early Triassic warmth
Isson, T. T., Zhang, S., Lau, K. V., Rauzi, S., Tosca, N. J., Penman, D. E. & Planavsky, N. J., Dec 2022, In: Nature communications. 13, 1, 3509.Research output: Contribution to journal › Article › peer-review
Modeling the impacts of diagenesis on carbonate paleoredox proxies
Lau, K. V. & Hardisty, D. S., Nov 15 2022, In: Geochimica et Cosmochimica Acta. 337, p. 123-139 17 p.Research output: Contribution to journal › Article › peer-review
Variable local basin hydrography and productivity control the uranium isotope paleoredox proxy in anoxic black shales
Lau, K. V., Hancock, L. G., Severmann, S., Kuzminov, A., Cole, D. B., Behl, R. J., Planavsky, N. J. & Lyons, T. W., Jan 15 2022, In: Geochimica et Cosmochimica Acta. 317, p. 433-456 24 p.Research output: Contribution to journal › Article › peer-review
LIP volcanism (not anoxia) tracked by Cr isotopes during Ocean Anoxic Event 2 in the proto-North Atlantic region
Nana Yobo, L., Holmden, C., Brandon, A. D., Lau, K. V., Eldrett, J. S. & Bergman, S., Sep 1 2022, In: Geochimica et Cosmochimica Acta. 332, p. 138-155 18 p.Research output: Contribution to journal › Article › peer-review
Duration and Intensity of End-Permian Marine Anoxia
Pimentel-Galvan, M., Lau, K. V., Maher, K., Mukerji, T., Lehrmann, D. J., Altiner, D. & Payne, J. L., Jan 2022, In: Geochemistry, Geophysics, Geosystems. 23, 1, e2021GC010130.Research output: Contribution to journal › Article › peer-review