• NOAA ENC Direct to GIS

    NOAA's Electronic Navigational Charts (NOAA ENCs) have been developed to support the marine transportation infrastructure and coastal management. The NOAA ENCs are in S-57, a data standard developed by the International Hydrographic Organization (IHO) to be used for the exchange of digital hydrographic data. NOAA ENCs can be used in Geographic Information Systems, (GIS) allowing for broader public access. Many GIS's, however cannot read an ENC's native S-57 format to address this problem. NOAA's ENC Direct to GIS web portal provides comprehensive access to display, query, and download all available large scale NOAA ENC data in a variety of GIS/CAD formats for non-navigational purposes using Internet mapping service technology. Nautical chart features contained within an NOAA ENC provide a detailed representation of the U.S. coastal and marine environment. This data includes coastal topography, bathymetry, landmarks, geographic place names and marine boundaries. Features in an NOAA ENC are limited in that they only represent the geographic region that is depicted in that particular NOAA ENC. By aggregating nautical features from all NOAA ENCs in the creation of GIS data, a contiguous depiction of the U.S coastal and marine environment is achieved.

    Data and Resources

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    Metadata Source

    Harvested from NOS OCS WAF

    Additional Info

    Field Value
    Resource Type Dataset
    Metadata Date Jan 21, 2015
    Reference Date(s) Jan 01, 2001 (publication)
    Responsible Party National Oceanic and Atmospheric Administration (NOAA), National Ocean Service (NOS), Office of Coast Survey (OCS) (Point of Contact)
    Contact Email enc.gis@noaa.gov
    Access Constraints ["Use Constraints: NOAA ENC Direct to GIS data is not intended for navigational purposes. This data is provided for use in GIS software packages for coastal planning and research.", "Access Constraints: None."]
    Bbox East Long 174.61
    Bbox North Lat 65.67
    Bbox South Lat 17.57
    Bbox West Long -179.43
    Contact Name James Hawks
    Coupled Resource
    Frequency Of Update weekly
    Harvest Object Id 6fdf3984-5711-4ab8-9911-cb8a56516c46
    Harvest Source Id ab6052c9-ecba-4acd-86d7-b8b15e376bc9
    Harvest Source Title NOS OCS WAF
    Licence ["None"]
    Metadata Language
    Metadata Type geospatial
    Progress underDevelopment
    Spatial {"type": "Polygon", "coordinates": [[[-179.43, 17.57], [174.61, 17.57], [174.61, 65.67], [-179.43, 65.67], [-179.43, 17.57]]]}
    Spatial Data Service Type
    Spatial Reference System
    Spatial Harvester True
    Temporal Extent Begin 2001-07-11

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