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    • Louisiana Hypoxia Surveys 1998-2023: Physical (Hydrography), chemical (CTD), and biological (Water Quality) processes of the Texas-Louisiana continental shelf

    Metadata Updated: June 1, 2025

    CTD data were taken during surveys of the Louisiana continental shelf during yearly Shelfwide Hypoxia cruises. Hydrographic data were obtained using CTD. Nutrient, pigment, suspended sediment, surface salinity, Secchi depth, and station information data were also acquired.

    Access & Use Information

    License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

    Downloads & Resources

    Dates

    Metadata Date 2025-05-15T21:18:42Z
    Metadata Created Date May 1, 2025
    Metadata Updated Date June 1, 2025
    Reference Date(s) November 19, 2002 (publication), March 25, 2025 (revision)
    Frequency Of Update asNeeded

    Metadata Source

    Harvested from NOAA/NESDIS/ncei/accessions

    Other Data Resources

    Graphic Preview

    Preview graphic

    Additional Metadata

    Resource Type Series
    Metadata Date 2025-05-15T21:18:42Z
    Metadata Created Date May 1, 2025
    Metadata Updated Date June 1, 2025
    Reference Date(s) November 19, 2002 (publication), March 25, 2025 (revision)
    Responsible Party (Point of Contact)
    Contact Email
    Guid gov.noaa.nodc:LUMCON-NGI-LA-Hypoxia-Survey
    Access Constraints Cite as: Rabalais, Nancy N.; Turner, R. Eugene; Wiseman, Jr., William J. (2002). Louisiana Hypoxia Surveys 1998-2023: Physical (Hydrography), chemical (CTD), and biological (Water Quality) processes of the Texas-Louisiana continental shelf. [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/4t1g-9s57. Accessed [date]., Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose.
    Bbox East Long -89
    Bbox North Lat 30
    Bbox South Lat 28
    Bbox West Long -95
    Coupled Resource
    Frequency Of Update asNeeded
    Graphic Preview Description Preview graphic
    Graphic Preview File https://www.ncei.noaa.gov/access/metadata/landing-page/bin/gfx?id=gov.noaa.nodc:LUMCON-NGI-LA-Hypoxia-Survey
    Graphic Preview Type PNG
    Harvest Object Id 6182bcf2-c784-4fa4-807c-1cc3fb4575f2
    Harvest Source Id c084a438-6f6b-470d-93e0-16aeddb9f513
    Harvest Source Title NOAA/NESDIS/ncei/accessions
    Licence accessLevel: Public
    Lineage
    Metadata Language eng
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": [[[-95.0, 28.0], [-89.0, 28.0], [-89.0, 30.0], [-95.0, 30.0], [-95.0, 28.0]]]}
    Progress completed
    Spatial Data Service Type
    Spatial Reference System
    Spatial Harvester True
    Temporal Extent Begin 1985-07-15
    Temporal Extent End 2023-07-27

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