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    • CRED Fagatele Bay National Marine Sanctuary Bathymetric Position Index Habitat Structures 2004

    Metadata Updated: March 22, 2025

    Bathymetric Position Index (BPI) Structures are derived from derivatives of Simrad EM-3000 multibeam bathymetry (1 m and 3 m resolution). BPI structures are surficial characteristics of the seafloor based on a bathymetric position index value range at a combined fine scale and broad scale, slope values and depth. High-resolution multibeam bathymetry, derivatives of bathymetry (bathymetric position index, slope and rugosity), backscatter imagery and in situ visual survey data have been combined in a geographic information system (GIS). These data are supplemented by three-dimensional (3D) visualization. Within this study, methods were developed for benthic mapping and applied to three sites around American Samoa, a new classification scheme was developed for bathymetric position index (BPI) zones (depressions, slopes, flats, crests) and structures (finer features within zones) around the study sites, and visual survey information was associated with the results.

    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 December 15, 2024
    Metadata Created Date October 19, 2024
    Metadata Updated Date March 22, 2025
    Reference Date(s) June 7, 2004 (publication)
    Frequency Of Update asNeeded

    Metadata Source

    Harvested from CoRIS FGDC Metadata

    Other Data Resources

    Graphic Preview

    Fagatele Bay BPI Structures map

    Additional Metadata

    Resource Type Dataset
    Metadata Date December 15, 2024
    Metadata Created Date October 19, 2024
    Metadata Updated Date March 22, 2025
    Reference Date(s) June 7, 2004 (publication)
    Responsible Party Pacific Islands Benthic Habitat Mapping Center (PIBHMC), Coral Reef Ecosystem Division (CRED), Pacific Islands Fisheries Science Center (PIFSC), National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration (NOAA) (Point of Contact)
    Contact Email
    Guid cred_habitat_structures_fagatele_bay_2004
    Access Constraints Use Constraints: NOT for navigational purposes!!!, Access Constraints: none
    Bbox East Long -170.757960
    Bbox North Lat -14.358282
    Bbox South Lat -14.375030
    Bbox West Long -170.775030
    Coupled Resource
    Frequency Of Update asNeeded
    Graphic Preview Description Fagatele Bay BPI Structures map
    Graphic Preview File https://www.ncei.noaa.gov/data/oceans/coris/data/NOAA/nmfs/pifsc/cred/benthic_habitat/fagatelebay/habitatstructures/FB-struct2-layout-cite.jpg
    Graphic Preview Type JPEG
    Harvest Object Id 37c3f1ae-108a-4f47-ad2a-9bb06c4cae4c
    Harvest Source Id d96f14c5-3e35-4b0a-a3b8-9392afeb50fa
    Harvest Source Title CoRIS FGDC Metadata
    Licence NOT for navigational purposes!!! NOAA makes no warranty regarding these data,expressed or implied, nor does the fact of distribution constitute such a warranty. NOAA does not assume liability for any damages caused by any errors or omissions in these data, nor as a result of the failure of these data to function on a particular system.
    Lineage
    Metadata Language eng; USA
    Metadata Type geospatial
    Old Spatial {"type": "Polygon", "coordinates": [[[-170.77503, -14.37503], [-170.75796, -14.37503], [-170.75796, -14.358282], [-170.77503, -14.358282], [-170.77503, -14.37503]]]}
    Progress completed
    Spatial Data Service Type
    Spatial Reference System urn:ogc:def:crs:EPSG::4326
    Spatial Harvester True
    Temporal Extent Begin 2001-03-01
    Temporal Extent End 2004-06-07

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