Time series (2017-2018) of dissolved trace metals, macro-nutrients, major elements and Pb isotopes in the Gulf of Aqaba, Red Sea

DOI

This dataset contains concentrations of dissolved trace metals (Al, Mn, Co, Ni, Cu, Zn, Cd, and Pb), macro-nutrients (Si and PO4), major elements (Li, Ca, K, Mg, and Sr) and Pb isotope compositions (206Pb/207Pb, 208Pb/206Pb) from a time-series station (Station A, ~700 m water depth) at the Gulf of Aqaba, northern Red Sea. Vertical water column profiles were collected between January 2017 and November 2018 on a monthly-daily resolution as part of the GEOTRACES REDMAST campaign. Seawater samples were collected using GO-Flo bottles, filtered (0.2 µm) and acidified to pH<1.8. Samples for trace metal concentrations and Pb isotopes were pre-concentrated using the the NOBIAS chelate PA-1 resin and measured using an Agilent 7500cx Magnetic Sector ICP-MS and a Thermo-Scientific Neptune Plus Multi Collector ICP-MS, respectively (Benaltabet, T., Lapid, G., & Torfstein, A. (2020). Seawater Pb concentration and isotopic composition response to daily time scale dust storms in the Gulf of Aqaba, Red Sea. Marine Chemistry, 227, 103895.‏). Macro-nutrient concentrations were measured using a Flow Injection Quik-Chem 8500 Auto-analyzer (Grasshoff, K., Kremling, K., & Ehrhardt, M. (Eds.). (2009). Methods of seawater analysis. John Wiley & Sons.‏). Major elements were analyzed as their ratio to Na by sample-standard bracketing using an Agilent Technology Varian-720 ICP-OES (Steiner, Z., Turchyn, A. V., Harpaz, E., & Silverman, J. (2018). Water chemistry reveals a significant decline in coral calcification rates in the southern Red Sea. Nature communications, 9(1), 3615.‏).

This data sheet contains concentration of dissolved trace metals, major elements (normalized to a practical salinity of 40.66), macro-nutrients, and Pb isotope composition measured in a time-series station at the Gulf of Aqaba, Red Sea. Uncertainty of trace metal, macro-nutrient and major element concentrations was estimated as 1 standard deviation (SD) from the mean of replicate extractions. Uncertainty of Pb isotope ratios was estimated by 2SD from the mean of the replicate extractions of an in-house seawater standard.

Identifier
DOI https://doi.org/10.1594/PANGAEA.963994
Related Identifier References https://doi.org/10.1016/j.marchem.2020.103895
Related Identifier References https://doi.org/10.1016/j.gca.2022.08.029
Related Identifier References https://doi.org/10.1029/2023GB007858
Metadata Access https://ws.pangaea.de/oai/provider?verb=GetRecord&metadataPrefix=datacite4&identifier=oai:pangaea.de:doi:10.1594/PANGAEA.963994
Provenance
Creator Benaltabet, Tal ORCID logo; Steiner, Zvi ORCID logo; Lapid, Gil; Torfstein, Adi ORCID logo
Publisher PANGAEA
Publication Year 2023
Rights Creative Commons Attribution 4.0 International; https://creativecommons.org/licenses/by/4.0/
OpenAccess true
Representation
Resource Type Dataset
Format text/tab-separated-values
Size 4819 data points
Discipline Earth System Research
Spatial Coverage (34.931 LON, 29.465 LAT)
Temporal Coverage Begin 2017-01-04T12:00:00Z
Temporal Coverage End 2018-11-07T12:00:00Z