Profiles of stable isotopes of silicon in silicic acid from the US GEOTRACES EPZT cruise (R/V Thomas G. Thompson TN303) in the Eastern Tropical Pacific from October to December 2013 (NCEI Accession 0291625)
This dataset contains chemical and physical data collected on R/V Thomas G. Thompson during cruise TN303 from 2013-10-29 to 2013-12-18. These data include Nitrogen, Si, depth, depth_bottom, and water pressure. The instruments used to collect these data include Isotope-ratio Mass Spectrometer and Niskin bottle. These data were collected by Dr Mark Brzezinski of University of California-Santa Barbara as part of the "GEOTRACES Pacific Section: Resolving Silicon Isotope Anomalies in the Eastern Pacific (GEOTRACES EPZT Silicon Isotope)" and "U.S. GEOTRACES East Pacific Zonal Transect (U.S. GEOTRACES EPZT)" projects and "U.S. GEOTRACES (U.S. GEOTRACES)" program. The Biological and Chemical Oceanography Data Management Office (BCO-DMO) submitted these data to NCEI on 2018-09-11.
The following is the text of the dataset description provided by BCO-DMO:
Profiles of stable isotopes of silicon in silicic acid from the US GEOTRACES EPZT cruise
Dataset Description:
Profiles of stable isotopes of silicon in silicic acid from the US GEOTRACES EPZT cruise.
The following is the text of the dataset description provided by BCO-DMO:
Profiles of stable isotopes of silicon in silicic acid from the US GEOTRACES EPZT cruise
Dataset Description:
Profiles of stable isotopes of silicon in silicic acid from the US GEOTRACES EPZT cruise.
Dataset Citation
- Cite as: Brzezinski, Mark A. (2024). Profiles of stable isotopes of silicon in silicic acid from the US GEOTRACES EPZT cruise (R/V Thomas G. Thompson TN303) in the Eastern Tropical Pacific from October to December 2013 (NCEI Accession 0291625). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0291625. Accessed [date].
Dataset Identifiers
ISO 19115-2 Metadata
gov.noaa.nodc:0291625
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Ordering Instructions | Contact NCEI for other distribution options and instructions. |
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NOAA National Centers for Environmental Information +1-301-713-3277 NCEI.Info@noaa.gov |
Dataset Point of Contact |
NOAA National Centers for Environmental Information ncei.info@noaa.gov |
Time Period | 2013-10-29 to 2013-12-18 |
Spatial Bounding Box Coordinates |
West: -152.0006
East: -79.1952
South: -16.0006
North: -10.5003
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Dataset Progress Status | Complete - production of the data has been completed Historical archive - data has been stored in an offline storage facility |
Data Update Frequency | As needed |
Supplemental Information | Acquisition Description: Sampling protocol followed the “ Sampling and Handling Protocols for GEOTRACES cruises " (PDF). Also see the "Si Natural Abundance Preparation" procedure (PDF) Briefly: Water samples were collected with a conventional CTD and rosette as Si isotopes are not contamination prone. Water samples were filtered through a polyethersulfone filter cartridge directly from each sampling bottle using silicon tubing and stored in either high density polyethylene or polypropylene bottles that were pre-cleaned by an overnight soak in 10% ACS grade HCl and rinsed with high purity deionized distilled water (> 18 MΩ - cm) and stored at room temperature. Analytical methodology followed Brzezinski et al. (2006): Brzezinski, M. A., J. L. Jones, C. P. Beucher, and M. S. Demarest. 2006. Automated determination of silicon isotope natural abundance by the acid decomposition of cesium hexafluosilicate. Anal. Chem. 78 : 6109-6114. https://doi.org/10.1021/ac0606406 |
Purpose | This dataset is available to the public for a wide variety of uses including scientific research and analysis. |
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Last Modified: 2024-05-31T18:50:46Z
For questions about the information on this page, please email: ncei.info@noaa.gov
For questions about the information on this page, please email: ncei.info@noaa.gov