Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Skip to content
  • Feedback

    • __5

    Metadata Updated: October 21, 2024

    From August 1 - 17, 2023 (Unalaska, Alaska to Kodiak, Alaska), NOAA Ocean Exploration conducted the Seascape Alaska 4: Gulf of Alaska Deepwater Mapping expedition (EX2305), a mapping expedition to the Gulf of Alaska. Operations during this 17-day expedition included mapping 24,032 sq. km of seafloor (23,591 sq. km in the U.S. Exclusive Economic Zone) and calibrating the 18, 38, 70, 120, and 200 kHz frequency EK60/EK80 split-beam sonars. All data associated with this expedition have been archived and are publicly available through the NOAA archives.

    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 March 21, 2024
    Metadata Created Date October 21, 2024
    Metadata Updated Date October 21, 2024
    Reference Date(s) August 1, 2023 (creation)
    Frequency Of Update notPlanned

    Metadata Source

    Harvested from NCDDC OER

    Other Data Resources

    Graphic Preview

    Graphic Preview

    Additional Metadata

    Resource Type Fieldsession
    Metadata Date March 21, 2024
    Metadata Created Date October 21, 2024
    Metadata Updated Date October 21, 2024
    Reference Date(s) August 1, 2023 (creation)
    Responsible Party NOAA National Centers for Environmental Information (Point of Contact); NOAA/OAR/OER - Ocean Exploration and Research (Resource Provider); NOAA/OAR/OER (Principal Investigator)
    Contact Email
    Guid gov.noaa.ncei.oer:EX2305_COLLECTION
    Access Constraints 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., Cite as: NOAA Office of Ocean Exploration and Research. 2023: . [indicate subset used]. NOAA National Centers for Environmental Information. Accessed [date].
    Bbox East Long -149.5
    Bbox North Lat 59.6
    Bbox South Lat 53.5
    Bbox West Long -166.85
    Coupled Resource
    Frequency Of Update notPlanned
    Graphic Preview File https://www.ncei.noaa.gov/data/oceans/oer/video/graphic/EX2305-BrowseGraphic.jpg
    Harvest Object Id 4821aac4-5ac7-4c93-9dc7-c5c61f89580a
    Harvest Source Id 0eb61eac-016f-4f95-a6c3-2974339749bb
    Harvest Source Title NCDDC OER
    Licence Access Contraints: Data collected by this mission is accessible through the public domain as soon as possible after the mission end. Use Constraints: Once accessed, use of these data shall be credited to the NOAA Office of Ocean Exploration and Research. The user is responsible for the results of any application of these data for other than its intended purpose Distribution Liability: NOAA makes no warranty regarding these data, expressed or implied, not does the fact of distribution constitute such a warranty. NOAA, NESDIS, and NCEI cannot assume liability for any damages caused by any errors or omisison in these data, nor as a result of the failure of these dasta to fundtion on a particular system.
    Lineage
    Metadata Language
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": [[[-166.85, 53.5], [-149.5, 53.5], [-149.5, 59.6], [-166.85, 59.6], [-166.85, 53.5]]]}
    Progress completed
    Spatial Data Service Type
    Spatial Reference System
    Spatial Harvester True

    Didn't find what you're looking for? Suggest a dataset here.