Search Results - "Allison, Nicola"

Reconstructing coral calcification fluid dissolved inorganic carbon chemistry from skeletal boron: An exploration of potential controls on coral aragonite B/Ca by Allison, Nicola

“…The boron geochemistry of coral skeletons reflects the dissolved inorganic carbon (DIC) chemistry of the calcification fluid from which the skeletons…”
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Corals concentrate dissolved inorganic carbon to facilitate calcification by Allison, Nicola, Cohen, Itay, Finch, Adrian A., Erez, Jonathan, Tudhope, Alexander W.

“…The sources of dissolved inorganic carbon (DIC) used to produce scleractinian coral skeletons are not understood. Yet this knowledge is essential for…”
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Optimising a method for aragonite precipitation in simulated biogenic calcification media by Kellock, Celeste, Castillo Alvarez, Maria Cristina, Finch, Adrian, Penkman, Kirsty, Kröger, Roland, Clog, Matthieu, Allison, Nicola

“…Resolving how factors such as temperature, pH, biomolecules and mineral growth rate influence the geochemistry and structure of biogenic CaCO3, is essential to…”
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Optimising a method for aragonite precipitation in simulated biogenic calcification media by Celeste Kellock, Maria Cristina Castillo Alvarez, Adrian Finch, Kirsty Penkman, Roland Kröger, Matthieu Clog, Nicola Allison

“…Resolving how factors such as temperature, pH, biomolecules and mineral growth rate influence the geochemistry and structure of biogenic CaCO3, is essential to…”
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The Characteristics and Biological Relevance of Inorganic Amorphous Calcium Carbonate (ACC) Precipitated from Seawater by Evans, David, Webb, Paul B, Penkman, Kirsty, Kröger, Roland, Allison, Nicola

“…The importance of amorphous calcium carbonate (ACC) as a precursor phase in the biomineralization of marine calcifiers is increasingly being reported,…”
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Understanding cold bias: Variable response of skeletal Sr/Ca to seawater pCO2 in acclimated massive Porites corals by Cole, Catherine, Finch, Adrian, Hintz, Christopher, Hintz, Kenneth, Allison, Nicola

“…Coral skeletal Sr/Ca is a palaeothermometer commonly used to produce high resolution seasonal sea surface temperature (SST) records and to investigate the…”
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Mg structural state in coral aragonite and implications for the paleoenvironmental proxy by Finch, Adrian A., Allison, Nicola

“…Thermodynamic calculations and inorganic precipitation experiments indicate a relationship between aragonite Mg/Ca and water temperature. This offers a route…”
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The response of coral skeletal nano structure and hardness to ocean acidification conditions by Tan, Chao Dun, Hähner, Georg, Fitzer, Susan, Cole, Catherine, Finch, Adrian A, Hintz, Chris, Hintz, Ken, Allison, Nicola

“…Ocean acidification typically reduces coral calcification rates and can fundamentally alter skeletal morphology. We use atomic force microscopy (AFM) and…”
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Controls on Sr/Ca and Mg/Ca in scleractinian corals: The effects of Ca-ATPase and transcellular Ca channels on skeletal chemistry by Allison, Nicola, Cohen, Itay, Finch, Adrian A., Erez, Jonathan

“…The Sr/Ca of aragonitic coral skeletons is a commonly used palaeothermometer. However skeletal Sr/Ca is typically dominated by weekly–monthly oscillations…”
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Palaeoenvironmental records from fossil corals: The effects of submarine diagenesis on temperature and climate estimates by Allison, Nicola, Finch, Adrian A., Webster, Jody M., Clague, David A.

“…The geochemistry of coral skeletons may reflect seawater conditions at the time of deposition and the analysis of fossil skeletons offers a method to…”
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The skeletal geochemistry of the sclerosponge Astrosclera willeyana: Implications for biomineralisation processes and palaeoenvironmental reconstruction by Allison, Nicola, Tudhope, Alexander W., EIMF

“…To investigate the controls on the geochemistry of aragonitic sclerosponge skeletons, we used secondary ion mass spectrometry (SIMS) to analyse an Astrosclera…”
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Emergency weight estimation in Aboriginal and Torres Strait Islander children in the Northern Territory: Are the current methods accurate? by Allison, Nicola, Norton, Ian

“…Objective During a paediatric emergency, it is often impractical to weigh a child. Many resuscitative measures require a child's weight; therefore, estimation…”
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δ11B, Sr, Mg and B in a modern Porites coral: the relationship between calcification site pH and skeletal chemistry by Allison, Nicola, Finch, Adrian A.

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Ba XAFS in Ba-rich standard minerals and the potential for determining Ba structural state in calcium carbonate by Finch, Adrian A., Allison, Nicola, Steaggles, Hannah, Wood, Cheryl V., Mosselmans, J. Fred W.

“…We present Ba L 3-X-ray Absorption Fine Structure (XAFS) data from a suite of barium carbonates (witherite, alstonite, barytocalcite), hydroxides, sulfate( vi)…”
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Serial Mg/Ca and Sr/Ca chronologies across single benthic foraminifera tests by Allison, Nicola, Austin, William E.N.

“…We used secondary ion mass spectrometry (SIMS) to analyse Mg/Ca and Sr/Ca across four individual tests of the benthic foraminifera Hyalinea balthica, collected…”
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Strontium in coral aragonite: 2. Sr coordination and the long-term stability of coral environmental records by Finch, Adrian A., Allison, Nicola

“…We have used X-ray Diffraction (XRD) and Sr K-edge Extended X-ray Absorption Fine Structure (EXAFS) to determine the structural state of Sr in a suite of coral…”
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Strontium in coral aragonite: 3. Sr coordination and geochemistry in relation to skeletal architecture by Allison, Nicola, Finch, Adrian A., Newville, Matthew, Sutton, Stephen R.

“…Use of the coral Sr palaeothermometer assumes that the Sr in coral skeletons is substituted randomly for Ca in the aragonite structure. The presence of Sr in…”
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Reconstruction of deglacial sea surface temperatures in the tropical Pacific from selective analysis of a fossil coral by Allison, Nicola, Finch, Adrian A., Tudhope, Alexander W., Newville, Matthew, Sutton, Stephen R., Ellam, Robert M.

“…The Sr/Ca of coral skeletons demonstrates potential as an indicator of sea surface temperatures (SSTs). However, the glacial‐interglacial SST ranges predicted…”
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43. A Quality Improvement Project: Utilising sedation for Maxillofacial Paediatric Emergency Department patients – an alternative to General Anaesthetic by O'Grady, Eleanor, O'Grady, Eleanor, Evans, Richard, Allison, Nicola

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B(OH)4− and CO32− do not compete for incorporation into aragonite in synthetic precipitations at pHtotal 8.20 and 8.41 but do compete at pHtotal 8.59 by Castillo Alvarez, Cristina, Penkman, Kirsty, Kröger, Roland, Finch, Adrian A., Clog, Matthieu, Hathorne, Ed, Allison, Nicola

“…Coral skeletal B/Ca (effectively B/CO32–), in combination with boron isotopic composition (δ11B), has been used to reconstruct the dissolved inorganic carbon…”
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