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Sodium incorporation in foraminiferal calcite: an evaluation of the Na/Ca salinity proxy and evidence for multiple Na-bearing phases

Description: New and compiled Na/Ca measurements of the planktonic foraminifera Globigerinoides ruber. The dataset contains data from foraminiferal samples 1) collected from plankton tows and sediment traps which span a wide salinity range (32.5 - 40.7 salinity units) across the Bay-of-Bengal, Arabian Sea, and Red Sea, 2) cultured in the laboratory under varying carbonate chemistry, and 3) a globally-distributed suite of core-top samples. Na/Ca was measured using both solution and laser ablation ICP-MS. The foraminiferal Na/Ca data are provided alongside environmental parameters for each sample (e.g. temperature, salinity, pH, bottom water Omega calcite), in order to assess the environmental controls on Na/Ca in foraminifera. The data accompany the following manuscript: Gray et al. (2023, doi:10.1016/j.gca.2023.03.011).

Global identifier:

Doi(
    "10.1594/PANGAEA.961099",
)

Types:
Measurements {
    domain: Unspecified,
    station: None,
    measured_variables: [
        "Event label",
        "Sample ID",
        "Site",
        "Sample type",
        "LATITUDE",
        "LONGITUDE",
        "DEPTH, water",
        "Globigerinoides ruber white, size",
        "Globigerinoides ruber white, size",
        "Globigerinoides ruber white, size",
        "Globigerinoides ruber white",
        "Calcite saturation state",
        "Temperature, water",
        "Salinity",
        "pH",
        "Carbonate ion",
        "Analytical method",
        "Globigerinoides ruber white, Sodium/Calcium ratio",
        "Globigerinoides ruber white, Sodium/Calcium ratio, standard deviation",
        "Reference/source",
        "Reference/source",
    ],
    methods: [
        "Microscopy",
        "Microscopy",
        "Microscopy",
        "Calculated according to Henehan et al. (2015)",
        "See description in dataset comment",
        "See description in dataset comment",
        "See description in dataset comment",
        "See description in dataset comment",
        "See description in dataset comment",
        "See description in dataset comment",
    ],
}
Dataset

Comment: Further method descriptions (calculation/measurements) for temperature, salinity, pH and carbonate ion concentration are given in: Gray et al. (2018, doi:10.1016/j.epsl.2017.11.026), Henehan et al. (2013, doi:10.1016/j.epsl.2012.12.029), Henehan et al. (2015, doi:10.1002/2014GC005514), Allen et al. (2016, doi:10.1016/j.gca.2016.08.015) and Mezger et al. (2016, doi:10.1002/2016PA003052). Analytical method for Na/Ca - solution ICP-MS (method given in: Gray et al. (2023, doi:10.1016/j.gca.2023.03.011), Gray et al. (2018, doi:10.1016/j.epsl.2017.11.026), Henehan et al. (2013, doi:10.1016/j.epsl.2012.12.029), Henehan et al. (2015, doi:10.1002/2014GC005514), Allen et al. (2016, doi:10.1016/j.gca.2016.08.015) or LA-ICP-MS (method given in Gray et al. (2023, doi:10.1016/j.gca.2023.03.011) and Mezger et al. (2016, doi:10.1002/2016PA003052).

Origins: /Wissenschaft/PANGAEA

Tags: Laser ? Geografische Koordinaten ? Bodenwasser ? Plankton ? Salzgehalt ? Analyseverfahren ? Daten ? Sediment ? Rotes Meer ? Arabisches Meer ? Foraminifera ? Foraminiferal geochemistry ? Na/Ca ? planktic foraminifera ?

Bounding boxes: -66° .. 173.565° x -42.4167° .. 48.9°

License: cc-by/4.0

Language: Englisch/English

Organisations

Persons

Issued: 2023-10-06

Modified: 2023-10-06

Time ranges: 2023-10-06 - 2023-10-06

Resources

Status

Quality score

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