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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 (1 MB PDF).

This service can be viewed in NCEI's Bathymetric Data Viewer along with other bathymetric datasets stewarded at NCEI.

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)

  • In addition, the individual DEMs can be accessed through the DEM Subsets image service. Using a layer definition query, groups of DEMs or individual DEMs can be displayed.

    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

    Dynamic Legend

    Dynamic All Layers

    Layers: Description:

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

    Spatial Reference: 4326  (4326)


    Single Fused Map Cache: false

    Initial Extent: Full Extent: Units: esriDecimalDegrees

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

    Document Info: Supports Dynamic Layers: true

    MaxRecordCount: 1000

    MaxImageHeight: 4096

    MaxImageWidth: 4096

    Supported Query Formats: JSON, AMF, geoJSON

    Min Scale: 0

    Max Scale: 0

    Supports Datum Transformation: true



    Child Resources:   Info   Dynamic Layer

    Supported Operations:   Export Map   Identify   QueryDomains   Find   Return Updates