Experimental determination of factors controlling U/Ca of aragonite precipitated from seawater: Implications for interpreting coral skeleton

TM DeCarlo, GA Gaetani, M Holcomb… - … et cosmochimica acta, 2015 - Elsevier
The U/Ca ratio of aragonite coral skeleton exhibits coherent patterns of seasonal and
interannual variability. In field-sampled corals and those grown in controlled culture …

Seawater temperature proxies based on DSr, DMg, and DU from culture experiments using the branching coral Porites cylindrica

A Armid, R Asami, T Fahmiati, MA Sheikh… - … et Cosmochimica Acta, 2011 - Elsevier
In order to investigate the incorporation of Sr, Mg, and U into coral skeletons and its
temperature dependency, we performed a culture experiment in which specimens of the …

Aqueous Uranium Speciation on U/Ca in Foraminiferal Calcite: The Importance of Minor Species—UO2(CO3)22–

X Chen - ACS earth and space chemistry, 2020 - ACS Publications
The decrease of uranium to calcium ratios (U/Ca) in biogenic CaCO3 with increasing pH
and/or [CO32–] is being explored as a proxy to reconstruct past seawater carbonate …

A Cenozoic record of seawater uranium in fossil corals

AM Gothmann, JA Higgins, JF Adkins… - … et Cosmochimica Acta, 2019 - Elsevier
We measured U/Ca ratios, 4 He concentrations, 234 U/238 U, and 238 U/235 U in a subset
of well-preserved aragonitic scleractinian fossil corals previously described by Gothmann et …

Quaternary floodings in the Zanzibar Channel (NW Indian Ocean, Tanzania)–Identifying palaeoceanographic patterns and palaeoenvironment using a multiproxy …

K Holcová, F Scheiner, M Havelcová, P Kraft… - Marine Geology, 2024 - Elsevier
Multiproxy palaeoenvironmental analyses represent a promising tool for complex
reconstructions of continent-sea or air-sea interactions in shallow marine environments. This …

The primary controls on U/Ca and minor element proxies in a cold-water coral cultured under decoupled carbonate chemistry conditions

AM Gothmann, AC Gagnon - Geochimica et Cosmochimica Acta, 2021 - Elsevier
Culture experiments are uniquely suited for uncovering the fundamental factors controlling
skeletal geochemistry because it is possible to explore conditions beyond what is found in …

Mid-Holocene climate in New Caledonia (southwest Pacific): coral and PMIP models monthly resolved results

CE Lazareth, MGB Rosell, B Turcq, F Le Cornec… - Quaternary Science …, 2013 - Elsevier
The mid-Holocene climate is characterized by an insolation seasonality decrease in the
Southern Hemisphere but measurements of its actual impact on monthly resolved sea …

[PDF][PDF] Paleoceanographic utility and calcification mechanisms of Stylasterid corals

IGJ Strawson - 2019 - research-information.bris.ac.uk
The geochemistry of deep-sea corals (DSCs) provides unique paleoceanographic insights
into the carbon content and temperature of sub-surface waters. However, before robust …

[PDF][PDF] Received 8" May 2010, Accepted4" November 2010

MA Dar, AA El Saharty - academia.edu
Abstract The natural radioisotopes*" U," Th and" K as well as the artificial radioisotopes" Cs,"
PU and" Sr were measured using high resolution Y-spectrometry in some living corals that …

[引用][C] Radioisotope levels in some recent corals of the northern Red Sea, Egypt

MA Dar, AA El Saharty - Egypt J Aquat Res, 2010