Search Results - "Lau, Kimberly V."

The Role of Diagenesis in Shaping the Geochemistry of the Marine Carbonate Record by Fantle, Matthew S, Barnes, B. Davis, Lau, Kimberly V

“…Carbonate sediments and rocks are valuable archives of Earth's past whose geochemical compositions inform our understanding of Earth's surface evolution. Yet…”
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Marine anoxia and delayed Earth system recovery after the end-Permian extinction by Lau, Kimberly V., Maher, Kate, Altiner, Demir, Kelley, Brian M., Kump, Lee R., Lehrmann, Daniel J., Silva-Tamayo, Juan Carlos, Weaver, Karrie L., Yu, Meiyi, Payne, Jonathan L.

“…Delayed Earth system recovery following the end-Permian mass extinction is often attributed to severe ocean anoxia. However, the extent and duration of Early…”
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Multiple episodes of extensive marine anoxia linked to global warming and continental weathering following the latest Permian mass extinction by Zhang, Feifei, Romaniello, Stephen J, Algeo, Thomas J, Lau, Kimberly V, Clapham, Matthew E, Richoz, Sylvain, Herrmann, Achim D, Smith, Harrison, Horacek, Micha, Anbar, Ariel D

“…Explaining the ~5-million-year delay in marine biotic recovery following the latest Permian mass extinction, the largest biotic crisis of the Phanerozoic, is a…”
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Marine siliceous ecosystem decline led to sustained anomalous Early Triassic warmth by Isson, Terry T., Zhang, Shuang, Lau, Kimberly V., Rauzi, Sofia, Tosca, Nicholas J., Penman, Donald E., Planavsky, Noah J.

“…In the wake of rapid CO 2 release tied to the emplacement of the Siberian Traps, elevated temperatures were maintained for over five million years during the…”
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Duration and Intensity of End‐Permian Marine Anoxia by Pimentel‐Galvan, Michael, Lau, Kimberly V., Maher, Katharine, Mukerji, Tapan, Lehrmann, Daniel J., Altiner, Demir, Payne, Jonathan L.

“…Ocean anoxia was an important kill mechanism in the end‐Permian mass extinction and uranium isotope data are among the most powerful tools for quantifying the…”
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Cenozoic carbon cycle imbalances and a variable weathering feedback by Caves, Jeremy K., Jost, Adam B., Lau, Kimberly V., Maher, Kate

“…The long-term stability of Earth's climate and the recovery of the ocean–atmosphere system after carbon cycle perturbations are often attributed to a…”
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Uranium isotope evidence for temporary ocean oxygenation in the aftermath of the Sturtian Snowball Earth by Lau, Kimberly V., Macdonald, Francis A., Maher, Kate, Payne, Jonathan L.

“…The appearance and radiation of animals are commonly attributed to Neoproterozoic oceanic oxygenation, yet independent geochemical evidence for such an event…”
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End-Permian marine extinction due to temperature-driven nutrient recycling and euxinia by Hülse, Dominik, Lau, Kimberly V., van de Velde, Sebastiaan J., Arndt, Sandra, Meyer, Katja M., Ridgwell, Andy

“…Extreme warming at the end-Permian induced profound changes in marine biogeochemical cycling and animal habitability, leading to the largest metazoan…”
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Changing inputs of continental and submarine weathering sources of Sr to the oceans during OAE 2 by Nana Yobo, Lucien, Brandon, Alan D., Holmden, Chris, Lau, Kimberly V., Eldrett, James

“…Ocean anoxic events (OAE) are characterized by increased organic content of marine sediment on a global scale with accompanying positive excursions in…”
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All aboard! Earth system investigations with the CH2O-CHOO TRAIN v1.0 by Kukla, Tyler, Ibarra, Daniel E, Lau, Kimberly V, Rugenstein, Jeremy K. C

“…Models of the carbon cycle and climate on geologic (>104-year) timescales have improved tremendously in the last 50 years due to parallel advances in our…”
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Controls on carbonate platform architecture and reef recovery across the Palaeozoic to Mesozoic transition: A high‐resolution analysis of the Great Bank of Guizhou by Kelley, Brian M., Lehrmann, Daniel J., Yu, Meiyi, Jost, Adam B., Meyer, Katja M., Lau, Kimberly V., Altiner, Demir, Li, Xiaowei, Minzoni, Marcello, Schaal, Ellen K., Payne, Jonathan L., Reid, Catherine

“…Carbonate platforms spanning intervals of global change provide an opportunity to identify causal links between the evolution of marine environment and…”
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Isotopic Fingerprint of Uranium Accumulation and Redox Cycling in Floodplains of the Upper Colorado River Basin by Lefebvre, Pierre, Noël, Vincent, Lau, Kimberly V, Jemison, Noah E, Weaver, Karrie L, Williams, Kenneth H, Bargar, John R, Maher, Kate

“…Uranium (U) groundwater contamination is a major concern at numerous former mining and milling sites across the Upper Colorado River Basin (UCRB), USA, where…”
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The Late Permian to Late Triassic Great Bank of Guizhou; an isolated carbonate platform in the Nanpanjiang Basin of Guizhou Province, China by Kelley, Brian M, Lehrmann, Daniel J, Yu Meiyi, Yu Meiyi, Minzoni, Marcello, Enos, Paul, Li, Xiaowei, Lau, Kimberly V, Payne, Jonathan L

“…The Late Permian to Late Triassic Great Bank of Guizhou (GBG) in southwest China is one of the few isolated carbonate platforms in the world that exposes an…”
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Uranium reduction and isotopic fractionation in reducing sediments: Insights from reactive transport modeling by Lau, Kimberly V., Lyons, Timothy W., Maher, Kate

“…Uranium concentrations and isotopic ratios (238U/235U, denoted as δ238U) have been used to provide quantitative information about the degree of oxygenation and…”
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Modeling the impacts of diagenesis on carbonate paleoredox proxies by Lau, Kimberly V., Hardisty, Dalton S.

“…The geochemistry of the carbonate sedimentary record is invaluable for understanding the ancient seawater evolution of carbon and redox-sensitive elements…”
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Calcium isotopes in deep time: Potential and limitations by Gussone, Nikolaus, Ahm, Anne-Sofie C., Lau, Kimberly V., Bradbury, Harold J.

“…Calcium is an essential element in the biogeochemical cycles that regulate the long-term climate state of Earth. The removal of CO2 from the ocean-atmosphere…”
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Uranium isotopes in marine carbonates as a global ocean paleoredox proxy: A critical review by Zhang, Feifei, Lenton, Timothy M., del Rey, Álvaro, Romaniello, Stephen J., Chen, Xinming, Planavsky, Noah J., Clarkson, Matthew O., Dahl, Tais W., Lau, Kimberly V., Wang, Wenqian, Li, Ziheng, Zhao, Mingyu, Isson, Terry, Algeo, Thomas J., Anbar, Ariel D.

“…The protracted oxygenation of the ocean-atmosphere system is one of the most fundamental changes to the Earth system through its history. The uranium isotopic…”
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LIP volcanism (not anoxia) tracked by Cr isotopes during Ocean Anoxic Event 2 in the proto-North Atlantic region by Nana Yobo, Lucien, Holmden, Chris, Brandon, Alan D., Lau, Kimberly V., Eldrett, James S., Bergman, Steven

“…Chromium is a redox sensitive element that exhibits a large range of isotopic compositions in Earth’s surface environments because of Cr(VI)-Cr(III)…”
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Variable local basin hydrography and productivity control the uranium isotope paleoredox proxy in anoxic black shales by Lau, Kimberly V., Hancock, Leanne G., Severmann, Silke, Kuzminov, Amy, Cole, Devon B., Behl, Richard J., Planavsky, Noah J., Lyons, Timothy W.

“…Geochemical proxies—such as the isotopic compositions and abundances of redox-sensitive metals, organic biomarkers, and sedimentological indicators—can be used…”
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Iron Isotopes reveal volcanogenic input during Oceanic Anoxic Event 2 (OAE 2 ∼ 94 Ma) by Nana Yobo, Lucien, Williams, Helen M., Brandon, Alan D., Holmden, Chris, Lau, Kimberly V., Bergman, Steven C., Eldrett, James S., Minisini, Daniel

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