Search Results - "Henderson, Gideon"

Controls on trace-element partitioning in cave-analogue calcite by Day, Christopher C., Henderson, Gideon M.

“…We report trace-element data from a series of carbonate growth experiments in cave-analogue conditions in the laboratory with the goal of better understanding…”
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Quantifying trace element and isotope fluxes at the ocean-sediment boundary: a review by Homoky, William B., Weber, Thomas, Berelson, William M., Conway, Tim M., Henderson, Gideon M., van Hulten, Marco, Jeandel, Catherine, Severmann, Silke, Tagliabue, Alessandro

“…Quantifying fluxes of trace elements and their isotopes (TEIs) at the ocean's sediment-water boundary is a pre-eminent challenge to understand their role in…”
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Ice-sheet collapse and sea-level rise at the Bølling warming 14,600 years ago by Deschamps, Pierre, Durand, Nicolas, Bard, Edouard, Hamelin, Bruno, Camoin, Gilbert, Thomas, Alexander L., Henderson, Gideon M., Okuno, Jun'ichi, Yokoyama, Yusuke

“…Past sea-level records provide invaluable information about the response of ice sheets to climate forcing. Some such records suggest that the last deglaciation…”
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Current rates of CO2 removal due to rock weathering in the UK by Harrington, Kirsty J., Henderson, Gideon M., Hilton, Robert G.

“…Chemical weathering of silicate and carbonate rocks via carbonic acid provides a natural sink for carbon dioxide, regulating climate over geological…”
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End of Green Sahara amplified mid- to late Holocene megadroughts in mainland Southeast Asia by Griffiths, Michael L., Johnson, Kathleen R., Pausata, Francesco S. R., White, Joyce C., Henderson, Gideon M., Wood, Christopher T., Yang, Hongying, Ersek, Vasile, Conrad, Cyler, Sekhon, Natasha

“…Between 5 and 4 thousand years ago, crippling megadroughts led to the disruption of ancient civilizations across parts of Africa and Asia, yet the extent of…”
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Significant increases in global weathering during Oceanic Anoxic Events 1a and 2 indicated by calcium isotopes by Blättler, Clara L., Jenkyns, Hugh C., Reynard, Linda M., Henderson, Gideon M.

“…Calcium-isotope ratios (δ 44/42Ca) were measured in carbonate-rich sedimentary sections deposited during Oceanic Anoxic Events 1a (Early Aptian) and 2…”
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Ocean trace element cycles by Henderson, Gideon M.

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Precise timing of abrupt increase in dust activity in the Middle East coincident with 4.2 ka social change by Carolin, Stacy A., Walker, Richard T., Day, Christopher C., Ersek, Vasile, Sloan, R. Alastair, Dee, Michael W., Talebian, Morteza, Henderson, Gideon M.

“…The extent to which climate change causes significant societal disruption remains controversial. An important example is the decline of the Akkadian Empire in…”
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An unknown source of reactor radionuclides in the Baltic Sea revealed by multi-isotope fingerprints by Qiao, Jixin, Zhang, Haitao, Steier, Peter, Hain, Karin, Hou, Xiaolin, Vartti, Vesa-Pekka, Henderson, Gideon M., Eriksson, Mats, Aldahan, Ala, Possnert, Göran, Golser, Robin

“…We present an application of multi-isotopic fingerprints (i.e., 236 U/ 238 U, 233 U/ 236 U, 236 U/ 129 I and 129 I/ 127 I) for the discovery of previously…”
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Climate. Caving in to new chronologies by Henderson, Gideon M

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Barium stable isotopes in the global ocean: Tracer of Ba inputs and utilization by Hsieh, Yu-Te, Henderson, Gideon M.

“…Barium has been used as a biogeochemical tracer for alkalinity, productivity, and riverine inputs in the ocean, but its oceanic cycle remains poorly…”
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Age, depositional history, and tectonics of the Indo-Myanmar Ranges, Myanmar by Naing, Tin Tin, Robinson, S. A, Searle, M. P, Morley, C. K, Millar, I, Green, O. R, Bown, P. R, Danelian, T, Petrizzo, M. R, Henderson, G. M

“…The Indo-Myanmar Ranges (IMR) are an enigmatic mountain belt that occupy a complex tectonic zone in western Myanmar extending from the northern continuation of…”
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Tropical seagrass meadows modify seawater carbon chemistry: implications for coral reefs impacted by ocean acidification by Unsworth, Richard K F, Collier, Catherine J, Henderson, Gideon M, McKenzie, Len J

“…Highly productive tropical seagrasses often live adjacent to or among coral reefs and utilize large amounts of inorganic carbon. In this study, the effect of…”
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Nonspecific uptake and homeostasis drive the oceanic cadmium cycle by Horner, Tristan J., Lee, Renee B. Y., Henderson, Gideon M., Rickaby, Rosalind E. M.

“…The global marine distributions of Cd and phosphate are closely correlated, which has led to Cd being considered as a marine micronutrient, despite its…”
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Isotopic fractionation of cadmium into calcite by Horner, Tristan J., Rickaby, Rosalind E.M., Henderson, Gideon M.

“…Cadmium mimics the distribution of the macronutrient phosphate in the oceans, and has uses as a palaeoproxy of past ocean circulation and nutrient utilization…”
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U-Th isotope constraints on gas hydrate and pockmark dynamics at the Niger delta margin by Bayon, Germain, Henderson, Gideon M., Etoubleau, Joël, Caprais, Jean-Claude, Ruffine, Livio, Marsset, Tania, Dennielou, Bernard, Cauquil, Eric, Voisset, Michel, Sultan, Nabil

“…The application of uranium-thorium dating methods to authigenic carbonates provides unique constraints on the temporal evolution of methane seeps at ocean…”
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Caving in to New Chronologies by Henderson, Gideon M.

“…The question of paleoclimate chronology has been given fresh focus by the burgeoning field of climate reconstruction from speleothems. Speleothems formed in…”
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Lithium-isotope fractionation during continental weathering processes by Pistiner, Janna S, Henderson, Gideon M

“…A comprehensive understanding of lithium-isotope fractionation during terrestrial weathering is necessary in order to use lithium isotopes to trace chemical…”
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Changing ocean circulation and hydrothermal inputs during Ocean Anoxic Event 2 (Cenomanian–Turonian): Evidence from Nd-isotopes in the European shelf sea by Zheng, Xin-Yuan, Jenkyns, Hugh C., Gale, Andrew S., Ward, David J., Henderson, Gideon M.

“…Nd isotopes of fish debris collected from the English Chalk at Eastbourne (Sussex, UK) are used to reconstruct the history of ocean circulation in the NW…”
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Drought-Induced Civil Conflict Among the Ancient Maya by Kennett, Douglas J., Masson, Marilyn, Lope, Carlos Peraza, Serafin, Stanley, George, Richard J., Spencer, Tom C., Hoggarth, Julie A., Culleton, Brendan J., Harper, Thomas K., Prufer, Keith M., Milbrath, Susan, Russell, Bradley W., González, Eunice Uc, McCool, Weston C., Aquino, Valorie V., Paris, Elizabeth H., Curtis, Jason H., Marwan, Norbert, Zhang, Mingua, Asmerom, Yemane, Polyak, Victor J., Carolin, Stacy A., James, Daniel H., Mason, Andrew J., Henderson, Gideon M., Brenner, Mark, Baldini, James U. L., Breitenbach, Sebastian F. M., Hodell, David A.

“…The influence of climate change on civil conflict and societal instability in the premodern world is a subject of much debate, in part because of the limited…”
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