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web_mercator/dem_extents (MapServer)

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View Footprint In:   ArcGIS Online map viewer

Service Description: A map service showing the location and coverage of land and seafloor digital elevation models (DEMs) available from NOAA's National Centers for Environmental Information (NCEI).

NOAA/NCEI builds and distributes high-resolution coastal digital elevation models (DEMs) that integrate ocean bathymetry and land topography to support NOAA's mission to understand and predict changes in Earth's environment, and conserve and manage coastal and marine resources to meet our Nation's economic, social, and environmental needs. They can be used for modeling of coastal processes (tsunami inundation, storm surge, sea-level rise, contaminant dispersal, etc.), ecosystems management and habitat research, coastal and marine spatial planning, and hazard mitigation and community preparedness.

For more information about coastal DEMs at NCEI, please see: http://ngdc.noaa.gov/mgg/coastal/coastal.html or learn more from our DEM Fact Sheet (470 kB PDF).

Layers available in the map service:

This service can be viewed in these interactive mapping applications provided by NCEI:

Please see NCEI's corresponding DEM Color Shaded Relief image service for shaded-relief visualizations of these DEMs. View these services together in a single combined map.

NCEI has several separate ArcGIS image services to provide access to the DEM elevation data. Each contains a collection of DEMs available in different vertical datums:

  • North American Vertical Datum of 1988 (NAVD88)
  • Mean High Water (MHW)
  • Mean Higher High Water (MHHW)

  • In addition, NCEI provides a global, seamless bathymetry/topography mosaic that includes NCEI-stewarded DEMs along with global and regional grids such as GEBCO_2014, IBCAO, IBCSO, and the Hawaiian Island Multibeam Synthesis (University of Hawaii):
  • DEM Global Mosaic (Elevation Values)
  • DEM Global Mosaic (Color Shaded Relief)

  • Catalog of ISO metadata for DEMs hosted at NCEI: http://www.ngdc.noaa.gov/metadata/published/NOAA/NESDIS/NGDC/MGG/DEM/iso/

    Map Name: Layers

    Legend

    All Layers and Tables

    Layers: Description:

    Copyright Text: NOAA National Centers for Environmental Information (NCEI)

    Spatial Reference: 102100  (3857)


    Single Fused Map Cache: false

    Initial Extent: Full Extent: Units: esriMeters

    Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP

    Document Info: Supports Dynamic Layers: false

    MaxRecordCount: 1000

    MaxImageHeight: 4096

    MaxImageWidth: 4096

    Supported Query Formats: JSON, AMF

    Min Scale: 0

    Max Scale: 0



    Child Resources:   Info

    Supported Operations:   Export Map   Identify   Find   Return Updates