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    • EM122 Water Column Sonar Data Collected During AT26-12

    Metadata Updated: September 17, 2021

    AT26-12 Alvin Science Verification Cruise (EM122). Over the past four years, HOV Alvin has undergone a suite of enhancements including a new pressure hull with improved visibility and ergonomics, new digital imaging and data acquisition systems, a novel basket that accommodates greater payloads, and numerous improvements to the vehicle’s command and control systems. The new pressure sphere has been certified to 6500m. Future upgrades to the submarine’s batteries and other major subsystems will ultimately make this HOV capable of operations at 6500 m.

    Completion of the sea trials, will result in Alvin being recertified for operations to 4500m. However, there are aspects of vehicle operation and performance that are critical to science but not necessarily included in the certification process as defined by the US Navy’s NAVSEA protocols. Consequently, a science verification cruise (SVC) will be conducted to assess the research capabilities of the vehicle. The specific objectives of the cruise will include: 1) involvement of experienced users to ensure operational components and scientific sensors on the vehicle are working properly, 2) pursuit of various science projects and opportunistic exploration, and 3) education of early career scientists who plan to conduct deep submergence field science using HOV Alvin.

    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 September 14, 2021
    Metadata Created Date November 12, 2020
    Metadata Updated Date September 17, 2021
    Reference Date(s) March 16, 2014 (creation), February 1, 2015 (publication)
    Frequency Of Update notPlanned

    Metadata Source

    Harvested from NGDC MGG Sonar Water Column

    Other Data Resources

    Additional Metadata

    Resource Type Series
    Metadata Date September 14, 2021
    Metadata Created Date November 12, 2020
    Metadata Updated Date September 17, 2021
    Reference Date(s) March 16, 2014 (creation), February 1, 2015 (publication)
    Responsible Party NOAA National Centers for Environmental Information (Point of Contact)
    Contact Email
    Guid gov.noaa.ngdc.mgg.wcd:AT26-12_EM122
    Access Constraints Cite as: Rolling Deck to Repository (R2R). 2014. 'EM122 Water Column Sonar Data Collected During AT26-12'. NOAA National Centers for Environmental Information. [access date], Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives., 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., Resource may not be available for up to one year after initial collection.
    Bbox East Long -86.6679205
    Bbox North Lat 28.97022405
    Bbox South Lat 28.1160065
    Bbox West Long -88.2770303
    Coupled Resource
    Frequency Of Update notPlanned
    Harvest Object Id d50f780d-38ef-4efc-ae29-db3a778a8eef
    Harvest Source Id ab8b0290-e4db-4a00-89f2-4e427c2054b2
    Harvest Source Title NGDC MGG Sonar Water Column
    Licence These data are considered raw and have not been subjected to the NOAA's quality control or quality assurance procedures. They are released for limited public use as preliminary data to be used only with appropriate caution. NOAA cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty., Not subject to copyright protection within the United States.
    Metadata Language eng; USA
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": [[[-88.2770303, 28.1160065], [-86.6679205, 28.1160065], [-86.6679205, 28.97022405], [-88.2770303, 28.97022405], [-88.2770303, 28.1160065]]]}
    Progress completed
    Spatial Data Service Type
    Spatial Reference System urn:ogc:def:crs:EPSG::4326
    Spatial Harvester True
    Temporal Extent Begin 2014-03-16T23:15:16
    Temporal Extent End 2014-03-26T00:26:50

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