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  • PANGAEA  (9)
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  • 1
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    Unknown
    PANGAEA
    In:  Supplement to: Trotter, Julie; Montagna, Paolo; McCulloch, Malcolm T; Silenzi, Sergio; Reynaud, Stéphanie; Mortimer, Graham; Martin, Sophie; Ferrier-Pagès, Christine; Gattuso, Jean-Pierre; Rodolfo-Metalpa, Riccardo (2011): Quantifying the pH 'vital effect' in the temperate zooxanthellate coral Cladocora caespitosa: Validation of the boron seawater pH proxy. Earth and Planetary Science Letters, 303, 163-173, https://doi.org/10.1016/j.epsl.2011.01.030
    Publication Date: 2023-03-14
    Description: Boron isotopic and elemental systematics are used to define the vital effects for the temperate shallow water Mediterranean coral Cladocora caespitosa. The corals are from a range of seawater pH conditions (pHT ~ 7.6 to ~ 8.1) and environmental settings: (1) naturally living colonies harvested from normal pH waters offshore Levanto, (2) colonies transplanted nearby a subsea volcanic vent system, and (3) corals cultured in aquaria exposed to high (700 µatm) and near present day (400 µatm) pCO2 levels. B/Ca compositions measured using laser ablation inductively coupled mass spectrometry (LA-ICPMS) show that boron uptake by C. caespitosa cultured at different pCO2 levels is independent of ambient seawater pH being mainly controlled by temperature-dependent calcification. In contrast, the boron isotope compositions (delta11Bcarb) of the full suite of corals determined by positive thermal ionisation mass spectrometry (PTIMS) shows a clear trend of decreasing delta11Bcarb (from 26.7 to 22.2 %o) with decreasing seawater pH, reflecting the strong pH dependence of the boron isotope system. The delta11Bcarb compositions together with measurements of ambient seawater parameters enable calibration of the boron pH proxy for C. caespitosa, by using a new approach that defines the relationship between ambient seawater pH (pHsw) and the internally controlled pH at the site of calcification (pHbiol). C. caespitosa exhibits a linear relationship between pHsw and the shift in pH due to physiological processes (deltapH = pHbiol - pHsw) giving the regression deltapHClad = 4.80 - 0.52* pHsw for this species. We further apply this method ("deltapH-pHsw") to calibrate tropical species of Porites, Acropora, and Stylophora reported in the literature. The temperate and tropical species calibrations are all linearly correlated (r2 〉 0.9) and the biological fractionation component (deltapH) between species varies within ~ 0.2 pH units. Our "deltapH-pHsw" approach provides a robust and accurate tool to reconstruct palaeoseawater pHsw for both temperate and tropical corals, further validating the boron fractionation factor (alphaB3-B4 = 1.0272) determined experimentally by Klochko et al. (2006) and the boron isotope pH proxy, both of which have been the foci of considerable debate.
    Keywords: Alkalinity, total; Alkalinity, total, standard deviation; Aragonite saturation state; Aragonite saturation state, standard deviation; Bicarbonate ion; Bicarbonate ion, standard deviation; Boron/Calcium ratio; Boron hydroxide/Bicarbonate ratio; Calculated, see reference(s); Carbon, inorganic, dissolved; Carbon, inorganic, dissolved, standard deviation; Carbonate ion; Carbonate ion, standard deviation; Carbon dioxide; Carbon dioxide, partial pressure, standard deviation; Carbon dioxide, standard deviation; DATE/TIME; DISTANCE; EPOCA; European Project on Ocean Acidification; Experimental treatment; Measured; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); pH; pH, standard deviation; pH meter (Metrohm, 826 pH mobile); Salinity; see reference(s); Site; Species; Temperature, standard deviation; Temperature, water; Titration potentiometric; δ11B
    Type: Dataset
    Format: text/tab-separated-values, 29568 data points
    Location Call Number Expected Availability
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  • 2
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    PANGAEA
    In:  Supplement to: D'Olivo, Juan Pablo; Georgiou, Lucy; Falter, James L; DeCarlo, Thomas M; Irigoien, Xabier; Voolstra, Christian R; Roder, Cornelia; Trotter, Julie; McCulloch, Malcolm T (2019): Long‐Term Impacts of the 1997–1998 Bleaching Event on the Growth and Resilience of Massive Porites Corals From the Central Red Sea. Geochemistry, Geophysics, Geosystems, 20(6), 2936-2954, https://doi.org/10.1029/2019GC008312
    Publication Date: 2023-01-30
    Description: Near monthly records of trace element ratios (Mg/Ca, Sr/Ca, U/Ca, Li/Mg, B/Ca and Li/Ca) for two cores of Porites corals from the inshore reef of Abu Shosha (approximately 1994-2013) and the outer-shelf reef Shi'b Nazar (approximately 1991-2013) near Thuwal in the central Red Sea. Data analysed by inductively coupled plasma masss spectrometer (ICP-MS).
    Keywords: Bleaching; Coral; Li/Mg; Porites; Red Sea; Sr/Ca; trace elements
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Expected Availability
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  • 3
    Publication Date: 2023-02-12
    Keywords: Bleaching; Central Red Sea; Coral; Core; CORE; DATE/TIME; DISTANCE; ICP-MS; Li/Mg; Porites; Porites lutea, Boron/Calcium ratio; Porites lutea, Boron/Magnesium ratio; Porites lutea, Lithium/Calcium ratio; Porites lutea, Lithium/Magnesium ratio; Porites lutea, Magnesium/Calcium ratio; Porites lutea, Strontium/Calcium ratio; Porites lutea, Uranium/Calcium ratio; Red Sea; Sample ID; Sr/Ca; Thuwal-RED4; trace elements
    Type: Dataset
    Format: text/tab-separated-values, 1520 data points
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  • 4
    Publication Date: 2023-02-12
    Keywords: Bleaching; Central Red Sea; Coral; Core; CORE; DATE/TIME; DISTANCE; ICP-MS; Li/Mg; Porites; Porites australiensis, Boron/Calcium ratio; Porites australiensis, Boron/Magnesium ratio; Porites australiensis, Lithium/Calcium ratio; Porites australiensis, Lithium/Magnesium ratio; Porites australiensis, Magnesium/Calcium ratio; Porites australiensis, Strontium/Calcium ratio; Porites australiensis, Uranium/Calcium ratio; Red Sea; Sample ID; Sr/Ca; Thuwal-RED2; trace elements
    Type: Dataset
    Format: text/tab-separated-values, 1593 data points
    Location Call Number Expected Availability
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  • 5
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    PANGAEA
    In:  Supplement to: McCulloch, Malcolm T; Trotter, Julie; Montagna, Paolo; Falter, James L; Dunbar, Robert G; Freiwald, André; Försterra, Günter; López Correa, Matthias; Maier, Cornelia; Rüggeberg, Andres; Taviani, Marco (2012): Resilience of cold-water scleractinian corals to ocean acidification: Boron isotopic systematics of pH and saturation state up-regulation. Geochimica et Cosmochimica Acta, 87, 21-34, https://doi.org/10.1016/j.gca.2012.03.027
    Publication Date: 2023-12-13
    Description: The boron isotope systematics has been determined for azooxanthellate scleractinian corals from a wide range of both deep-sea and shallow-water environments. The aragonitic coral species, Caryophyllia smithii, Desmophyllum dianthus, Enallopsammia rostrata, Lophelia pertusa, and Madrepora oculata, are all found to have relatively high d11B compositions ranging from 23.2 per mil to 28.7 per mil. These values lie substantially above the pH-dependent inorganic seawater borate equilibrium curve, indicative of strong up-regulation of pH of the internal calcifying fluid (pH(cf)), being elevated by ~0.6-0.8 units (Delta pH) relative to ambient seawater. In contrast, the deep-sea calcitic coral Corallium sp. has a significantly lower d11B composition of 15.5 per mil, with a corresponding lower Delta pH value of ~0.3 units, reflecting the importance of mineralogical control on biological pH up-regulation. The solitary coral D. dianthus was sampled over a wide range of seawater pH(T) and shows an approximate linear correlation with Delta pH(Desmo) = 6.43 - 0.71 pH(T) (r**2 = 0.79). An improved correlation is however found with the closely related parameter of seawater aragonite saturation state, where Delta pH(Desmo) = 1.09 - 0.14 Omega(arag) (r**2 = 0.95), indicating the important control that carbonate saturation state has on calcification. The ability to up-regulate internal pH(cf), and consequently Omega(cf), of the calcifying fluid is therefore a process present in both azooxanthellate and zooxanthellate aragonitic corals, and is attributed to the action of Ca2+ -ATPase in modulating the proton gradient between seawater and the site of calcification. These findings also show that the boron isotopic compositions (d11Bcarb) of aragonitic corals are highly systematic and consistent with direct uptake of the borate species within the biologically controlled extracellular calcifying medium.
    Keywords: HERMIONE; Hotspot Ecosystem Research and Mans Impact On European Seas; International Polar Year (2007-2008); IPY
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Expected Availability
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  • 6
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    PANGAEA
    In:  Supplement to: Allan, Tony; Robertson, Alastair H F; Sharp, Timothy R; Trotter, Julie (2001): Data report: Whole-rock 87Sr/86Sr composition and apparent strontium isotopic age of limestones from Site 1118, Woodlark rift basin, southwest Pacific (Ocean Drilling Program Leg 180). In: Huchon, P; Taylor, B; Klaus, A (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 180, 1-5, https://doi.org/10.2973/odp.proc.sr.180.158.2001
    Publication Date: 2024-01-09
    Description: Limestone from Unit VI (857.1-859.15 meters below seafloor) collected at Site 1118 contains a planktonic foraminiferal fauna indicating a latest Miocene to early Pliocene age. Globorotalia tumida is recorded in Sample 180-1118A-68R-4, 46-48 cm, indicating an early Pliocene (N18) age at this level (J. Resig, pers. comm., 2000). Based on their known range in the western Papuan Basin, the presence of (rare) Lepidocyclina and common Amphistegina in some samples suggests that abundant shallow-water bioclastic debris present in these limestones may be reworked from older, possibly middle or early late Miocene sediments. Four samples were selected for whole-rock strontium isotopic analysis to further investigate this possibility. A petrographic examination of samples analyzed was also conducted.
    Keywords: 180-1118A; Age, dated; Age, strontium isotope, Oslick et al. (1994); DEPTH, sediment/rock; DRILL; Drilling/drill rig; Joides Resolution; Leg180; Ocean Drilling Program; ODP; Sample code/label; Solomon Sea; Strontium-87/Strontium-86 ratio; Strontium-87/Strontium-86 ratio, error
    Type: Dataset
    Format: text/tab-separated-values, 16 data points
    Location Call Number Expected Availability
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  • 7
    Publication Date: 2024-02-02
    Keywords: Area/locality; Caryophyllia smithii, δ11B; Comau Fjord, Patagonia, Chile; Corallium sp., δ11B; D248; D248_13831#1; Darwin Mounds; DD_MS; Desmophyllum dianthus, δ11B; Discovery (1962); Dredge; DRG; Elevation of event; Elevation of event 2; Enallopsammia rostrata, δ11B; Event label; GeoB6739-1; GeoB8021-1; GS: M70/1-752 (D 111); Hawaiian Islands, North Central Pacific; Hill_B1; Latitude of event; Longitude of event; Lophelia pertusa, δ11B; M70/1; M70/1_752; Madrepora oculata, δ11B; MAL; Marmara Sea; MedCor_MAL; MedCor-25-D; MedCor-25-L; MedCor-41-CA; MedCor-57-CA; MedCor-59-CA; MedCor-74-D; MedCor-74-L; Mediterranean Sea; Meteor (1986); Monitoring station; MONS; Northeast Atlantic; Parameter; pH; pH change; PO228-216; Porcupine Seabight; POS265; POS292; POS499-1; POS544-1; Poseidon; Punto_Llonco; PV703_Cor_5; PV703_Enal_2; PV703_Enal_7; Remote operated vehicle; ROV; Sample ID; Species; SR: POS-228-216; Tasman Sea; TRAWL; Trawl net; VH97-351
    Type: Dataset
    Format: text/tab-separated-values, 168 data points
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  • 8
    Publication Date: 2024-02-02
    Keywords: Alkalinity, total; Aragonite saturation state; Aragonite saturation state, standard deviation; Area/locality; Calcite saturation state; Calcite saturation state, standard deviation; Comau Fjord, Patagonia, Chile; D248; D248_13831#1; Darwin Mounds; Date/Time of event; DD_MS; Discovery (1962); Dredge; DRG; ELEVATION; Elevation, maximum; Elevation, minimum; Event label; GeoB6739-1; GeoB8021-1; GS: M70/1-752 (D 111); Hawaiian Islands, North Central Pacific; Hill_B1; Latitude of event; Longitude of event; M70/1; M70/1_752; MAL; Marmara Sea; MedCor_MAL; MedCor-25-D; MedCor-25-L; MedCor-41-CA; MedCor-57-CA; MedCor-59-CA; MedCor-74-D; MedCor-74-L; Mediterranean Sea; Meteor (1986); Monitoring station; MONS; Northeast Atlantic; pH; PO228-216; Porcupine Seabight; POS265; POS292; POS499-1; POS544-1; Poseidon; Punto_Llonco; PV703_Cor_5; PV703_Enal_2; PV703_Enal_7; Reference/source; Remote operated vehicle; ROV; Salinity; Sample ID; Species; SR: POS-228-216; Tasman Sea; Temperature, water; TRAWL; Trawl net; VH97-351
    Type: Dataset
    Format: text/tab-separated-values, 220 data points
    Location Call Number Expected Availability
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  • 9
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    PANGAEA
    In:  Supplement to: Holcomb, Michael; Venn, Alexander A; Tambutté, Eric; Tambutté, Sylvie; Allemand, Denis; Trotter, Julie; McCulloch, Malcolm T (2014): Coral calcifying fluid pH dictates response to ocean acidification. Scientific Reports, 4, https://doi.org/10.1038/srep05207
    Publication Date: 2024-03-15
    Description: Ocean acidification driven by rising levels of CO2 impairs calcification, threatening coral reef growth. Predicting how corals respond to CO2 requires a better understanding of how calcification is controlled. Here we show how spatial variations in the pH of the internal calcifying fluid (pHcf) in coral (Stylophora pistillata) colonies correlates with differential sensitivity of calcification to acidification. Coral apexes had the highest pHcf and experienced the smallest changes in pHcf in response to acidification. Lateral growth was associated with lower pHcf and greater changes with acidification. Calcification showed a pattern similar to pHcf, with lateral growth being more strongly affected by acidification than apical. Regulation of pHcf is therefore spatially variable within a coral and critical to determining the sensitivity of calcification to ocean acidification.
    Keywords: Acid-base regulation; Alkalinity, total; Alkalinity, total, standard deviation; Animalia; Aragonite saturation state; Benthic animals; Benthos; Bicarbonate ion; Calcification/Dissolution; Calcifying fluid, pH; Calcifying fluid, pH, standard deviation; Calcite saturation state; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Cnidaria; Coast and continental shelf; Containers and aquaria (20-1000 L or 〈 1 m**2); Difference; Difference, standard deviation; Figure; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Group; Growth, relative; Growth, relative, standard deviation; Growth/Morphology; Identification; Incubation duration; Laboratory experiment; OA-ICC; Ocean Acidification International Coordination Centre; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); pH; pH, standard deviation; Potentiometric; Potentiometric titration; Salinity; Single species; South Pacific; Species; Stylophora pistillata; Temperate; Temperature, water; δ11B; δ11B, standard error
    Type: Dataset
    Format: text/tab-separated-values, 2090 data points
    Location Call Number Expected Availability
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