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OAS accession Detail for 0277855
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| accessions_id: | 0277855 | archive |
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| Title: | Electrochemical data from sediments collected on R/V Savannah cruise SAV-17-15 in the Gulf of Mexico during July and August 2017 (NCEI Accession 0277855) |
| Abstract: | This dataset contains chemical and physical data collected on R/V Savannah during cruise SAV-17-15 in the Gulf of Mexico from 2017-07-26 to 2017-08-06. These data include Fe, Mn, Sulfur, and dissolved Oxygen. The instruments used to collect these data include Multi Corer and Voltammetry Analyzers. These data were collected by Martial Taillefert of Georgia Institute of Technology as part of the "Source, Composition, and Stability of Soluble Iron Fluxing from Continental Margin Sediments (Soluble Fe Fluxing)" project. The Biological and Chemical Oceanography Data Management Office (BCO-DMO) submitted these data to NCEI on 2020-03-19. The following is the text of the dataset description provided by BCO-DMO: Electrochemical data from sediments collected on R/V Savannah cruise SAV-17-15 in the Gulf of Mexico during July and August 2017 Dataset Description: Acquisition Description: Sediments were collected and profiled immediately with voltammetric Hg/Au microelectrodes deployed on a computer-controlled micromanipulator (Beckler et al., 2016). Sediment cores were obtained by a MC-800 multi-corer and profiled within 30 minutes with voltammetric Hg/Au microelectrodes deployed on a computer-controlled micromanipulator. O₂₍ₐq₎, Mn(II), Fe(II), Org-Fe(III), FeS₍ₐq₎, S₂O₃²⁻, and SH2S were measured by voltammetry using non-invasive mercury/gold (Hg/Au) microelectrodes (Luther et al., 2008) in intact sediment cores. Org-Fe(III) and FeS(aq) cannot be quantified by these methods and are reported in current intensities. Problem report: Some of the data are missing because of electrostatic interferences that typically occur at time on ships. |
| Date received: | 20200319 |
| Start date: | 20170726 |
| End date: | 20170806 |
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| West boundary: | -91.336 |
| East boundary: | -88.848 |
| North boundary: | 28.948 |
| South boundary: | 28.201 |
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| Submitting institution: | Biological and Chemical Oceanography Data Management Office |
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| Metadata version: | 1 |
| Keydate: | 2023-05-04 04:30:51+00 |
| Editdate: | 2023-05-04 04:31:34+00 |