Data from in situ pump profiler system collected on R/V Hugh R. Sharp cruise HRS1415 in August 2014 (NCEI Accession 0278520)
This dataset contains chemical and physical data collected on R/V Hugh R. Sharp during cruise HRS1415 in the North Atlantic Ocean from 2014-08-19 to 2014-08-22. These data include Fe, Mn, depth, dissolved Oxygen, salinity calculated from CTD primary sensors, and water temperature. The instruments used to collect these data include Automatic titrator, CO2 Analyzer, Pump, Salinity Sensor, Voltammetry Analyzers, and Water Temperature Sensor. These data were collected by Bradley M. Tebo of Oregon Health & Science University and George W. Luther of University of Delaware as part of the "The role of soluble Mn(III) in the biogeochemical coupling of the Mn, Fe and sulfur cycles (Soluble ManganeseIII)" project. The Biological and Chemical Oceanography Data Management Office (BCO-DMO) submitted these data to NCEI on 2020-01-10.
The following is the text of the dataset description provided by BCO-DMO:
Data from in situ pump profiler system collected on HRS1415
Dataset Description:
Data from in situ pump profiler system collected on cruise HRS1415.
See Related Publications for field papers published as a result of this project (methods included).
The following is the text of the dataset description provided by BCO-DMO:
Data from in situ pump profiler system collected on HRS1415
Dataset Description:
Data from in situ pump profiler system collected on cruise HRS1415.
See Related Publications for field papers published as a result of this project (methods included).
Dataset Citation
- Cite as: Luther, George W.; Tebo, Bradley M. (2023). Data from in situ pump profiler system collected on R/V Hugh R. Sharp cruise HRS1415 in August 2014 (NCEI Accession 0278520). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0278520. Accessed [date].
Dataset Identifiers
ISO 19115-2 Metadata
gov.noaa.nodc:0278520
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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 |
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NOAA National Centers for Environmental Information ncei.info@noaa.gov |
Time Period | 2014-08-19 to 2014-08-22 |
Spatial Bounding Box Coordinates |
West: -76.368
East: -76.366
South: 38.976
North: 38.977
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Data Presentation Form | Digital table - digital representation of facts or figures systematically displayed, especially in columns |
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: Description/methods for parameters measured: C parameters performed by Dr. Wei-Jun Cai’s group for: TA - Open cell Gran titration with semi-automatic AS-ALK2 Apollo Scitech titrator; pH - glass electrode, NBS buffers; DIC - infrared CO 2 analyzer (AS-C3, Apollo Scitech). Use Dickson CRM for calibration. DIC/TA samples were filtered (0.45um) and fixed with 100 ul of saturated mercury bichloride. Use the methods of Gran (1952) and Huang, et al. (2012). Fe parameters: The method of Stookey (1972) is used to determine dissolved Fe(II) and on addition if hydroxylamine Fe total. Fe(III) is determined by difference. Modified and calibrated by many including Lewis et al (2007) and MacDonald et al (2014). Typically, triplicate measurements performed. Dissolved Mn parameters: The porphyrin spectrophotometric method of Madison et al (2011) measures dissolved Mn(II), Mn(III) bound to weaker ligands and total Mn. Method includes calibration and intercomparison of totals with other instrumentation (ICP, AA). Detection limit is 0.050 micromolar. Detection limit (DL) is 50 micromolar with a 1 cm path length cell. Modification of Madison for Mn(III) bound to strong ligands by adding a reducing agent to a separate subsample with the porphyrin to obtain total Mn. Mn(III) bound to strong ligand complexes is determined by difference. Typically, triplicate measurements performed. Detection limit is 3.0 nanomolar. MnO x on unfiltered samples: The leucoberbelein blue method is that of Altmann (1972) and Krumblein and Altmann (1973) in 1 cm cells, but can be modified for longer path length cells. S parameters: O 2 , H 2 S and polysulfides by the voltammetry method of Luther et al (2008). A flow cell was also used to collect in situ O 2 and H 2 S data as well as some additional samples. Analysis by voltammetry (Luther et al, 2008). Solid and nanoparticulate S 8 (Yücel et al 2010 and Findlay et al 2014). Typically, triplicate measurements performed. In situ pump profiler cast refers to profiling with a pump profiler for O 2 and H 2 S using solid state gold-amalgam electrodes for voltammetry (Luther et al, 2008; Analytical Instrument Systems DLK-60) along with a temperature and salinity sensor from YSI. Water was pumped aboard to make measurements on discrete samples for Mn and Fe speciation as well. Methods papers used in this project (full citations in Related Publications section) Dissolved Mn speciation parameters: Madison et al. (2011) Madison et al. (2013) Oldham et al. (2015) Oldham et al. (2017) [[ Here, we modified the method of Madison et al. (2011) for water column samples to achieve a detection limit of 3.0 nM (3 times the standard deviation of a blank) by using a 100-cm liquid waveguide capillary cell and the addition of a heating step as well as a strong reducing agent for Mn Speciation [Mn 3+ = Mn T – Mn 2+ ]. See Table 1 in this paper for recovery tests. As weak Mn(III)-L complexes could not be measured in our previous work (Oldham et al, 2015; paper above), this method was used throughout this cruise. ]] MnO X solids: Altmann (1972) Krumbein & Altmann (1973) Dissolved Fe speciation parameters: Stookey (1970) Lewis et al. (2007) O 2 and H 2 S, polysulfides: Luther et al. (2008) Luther et al. (2013) S 8 : Yücel et al. (2010) pH and inorganic carbon parameters: Gran (1952) Huang & Cai (2012) |
Purpose | This dataset is available to the public for a wide variety of uses including scientific research and analysis. |
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Data Center keywords | NODC COLLECTING INSTITUTION NAMES THESAURUS NODC SUBMITTING INSTITUTION NAMES THESAURUS Global Change Master Directory (GCMD) Data Center Keywords |
Platform keywords | NODC PLATFORM NAMES THESAURUS BCO-DMO Platform Names Global Change Master Directory (GCMD) Platform Keywords ICES/SeaDataNet Ship Codes |
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Place keywords | NODC SEA AREA NAMES THESAURUS Global Change Master Directory (GCMD) Location Keywords Provider Place Names |
Project keywords | BCO-DMO Standard Projects Provider Cruise IDs Provider Funding Award Information |
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Last Modified: 2024-05-31T15:15:28Z
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