Mercury stable isotope values for marine particles from R/V Kilo Moana cruises KM1418, KM1407 and KM1506 around station ALOHA in 2014 and 2015 (NCEI Accession 0294389)
This dataset contains data collected on R/V Kilo Moana during cruises KM1407, KM1418, and KM1506 from 2014-02-19 to 2015-05-02. These data include depth. The instruments used to collect these data include Cold Vapor Atomic Fluorescence Spectrophotometer, Inductively Coupled Plasma Mass Spectrometer, and Large Volume Pumping System-WTS-LV. These data were collected by Kanesa Seraphin of University of Hawaii, Brian N. Popp and Jeffrey C. Drazen of University of Hawaii at Manoa, Joel D. Blum of University of Michigan, and Claudia Benitez-Nelson of University of South Carolina as part of the "Collaborative Research: Isotopic insights to mercury in marine food webs and how it varies with ocean biogeochemistry (Hg_Biogeochemistry)" project. The Biological and Chemical Oceanography Data Management Office (BCO-DMO) submitted these data to NCEI on 2020-02-24.
The following is the text of the dataset description provided by BCO-DMO:
Mercury stable isotope values for marine particles
Dataset Description:
This dataset contains the mercury stable isotope ratios collected in marine particles during R/V Kilo Moana cruises around Station ALOHA. For more information about the ALOHA observatory see: http://aco-ssds.soest.hawaii.edu/ . These data were published in Motta et al., (2019) with supporting information.
The following is the text of the dataset description provided by BCO-DMO:
Mercury stable isotope values for marine particles
Dataset Description:
This dataset contains the mercury stable isotope ratios collected in marine particles during R/V Kilo Moana cruises around Station ALOHA. For more information about the ALOHA observatory see: http://aco-ssds.soest.hawaii.edu/ . These data were published in Motta et al., (2019) with supporting information.
Dataset Citation
- Cite as: Blum, Joel D.; Benitez-Nelson, Claudia R.; Drazen, Jeffrey C.; Popp, Brian N.; Seraphin, Kanesa (2024). Mercury stable isotope values for marine particles from R/V Kilo Moana cruises KM1418, KM1407 and KM1506 around station ALOHA in 2014 and 2015 (NCEI Accession 0294389). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0294389. Accessed [date].
Dataset Identifiers
ISO 19115-2 Metadata
gov.noaa.nodc:0294389
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Ordering Instructions | Contact NCEI for other distribution options and instructions. |
Distributor |
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 | 2014-02-19 to 2015-05-02 |
Spatial Bounding Box Coordinates |
West: -158
East: -158
South: 22.75
North: 22.75
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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: Small (1-53 µm) and large (>53 µm) marine particles were sampled on all three cruises using in situ pumps (WTS-LV, standard, 8 L min⁻¹; McLane Research Laboratories, East Falmouth); water was passed sequentially through 53 μm pore-size nylon mesh and 1 μm pore-size quartz microfiber (QMA) filters with 142 mm diameter using a mini-MULVFS filter holder (Bishop et al., 2012). On the spring cruise, one pump was equipped with a pump head and motor with a maximum flow rate of 30 L min⁻¹, and high volume samples of particles >53 µm were collected. The large particles collected on the nylon mesh were sonicated and concentrated into a pre-combusted 47 mm QMA filter. Marine particles were collected in two size fractions, small particles in combusted quartz filters (1-53 μm) and large particles in a nylon mesh (> 53 μm) using in situ McLane pumps during the three research cruises. The marine particles were analyzed for total Hg concentrations by acid assisted microwave digestions and aliquots were analyzed by cold vapor atomic fluorescence spectrophotometry. For THg isotope determination samples were combusted in a two-stage combustion furnace and Hg(0) g was trapped in a 1% KMnO4 solution. The 1% KMnO4 solution was analyzed for Hg stable isotope composition using a multiple collector inductively coupled plasma mass spectrometer. All the methods are detailed in Motta et al., (2019). |
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: 2024-06-27T23:53:14Z
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