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DEM_MHW (ImageServer)

View In:   ArcGIS JavaScript   ArcGIS Online map viewer   Google Earth   ArcMap

View Footprint In:   ArcGIS Online map viewer

Service Description: This is an image service providing access to bathymetric/topographic digital elevation models stewarded at NOAA's National Centers for Environmental Information (NCEI), with vertical units referenced to the Mean High Water (MHW) vertical datum.
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 integrated models of coastal relief at NCEI, please see: http://ngdc.noaa.gov/mgg/coastal/coastal.html.

This ArcGIS image service provides data from many individual DEMs combined together as a mosaic. By default, the rasters are drawn in order of cell size, with higher-resolution DEMs displayed on top of lower-resolution grids. If overlapping DEMs have the same resolution, the newer one is shown. Alternatively, a single DEM or group of DEMs can be isolated using a filter/definition query or using the "Lock Raster" mosaic method in ArcMap.

This is one of three similar services displaying collections of DEMs that are referenced to common vertical datums: North American Vertical Datum of 1988 (NAVD88)Mean High Water (MHW), and Sea Level.
Please see NCEI's corresponding DEM Footprints map service for polygon footprints and more information about the individual DEMs used to create this composite view.
This service has several server-side functions available. These can be selected in the ArcGIS Online layer using "Image Display", or in ArcMap under "Processing Templates".

DEM color ramp

Slope legend

Aspect legend






Name: DEM_MHW

Description: This is an image service providing access to bathymetric/topographic digital elevation models stewarded at NOAA's National Centers for Environmental Information (NCEI), with vertical units referenced to the Mean High Water (MHW) vertical datum.
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 integrated models of coastal relief at NCEI, please see: http://ngdc.noaa.gov/mgg/coastal/coastal.html.

This ArcGIS image service provides data from many individual DEMs combined together as a mosaic. By default, the rasters are drawn in order of cell size, with higher-resolution DEMs displayed on top of lower-resolution grids. If overlapping DEMs have the same resolution, the newer one is shown. Alternatively, a single DEM or group of DEMs can be isolated using a filter/definition query or using the "Lock Raster" mosaic method in ArcMap.

This is one of three similar services displaying collections of DEMs that are referenced to common vertical datums: North American Vertical Datum of 1988 (NAVD88)Mean High Water (MHW), and Sea Level.
Please see NCEI's corresponding DEM Footprints map service for polygon footprints and more information about the individual DEMs used to create this composite view.
This service has several server-side functions available. These can be selected in the ArcGIS Online layer using "Image Display", or in ArcMap under "Processing Templates".

DEM color ramp

Slope legend

Aspect legend






Single Fused Map Cache: false

Extent: Initial Extent: Full Extent: Pixel Size X: 9.259000000000024E-5

Pixel Size Y: 9.259000000000022E-5

Band Count: 1

Pixel Type: F32

RasterFunction Infos: {"name":"None","description":"A No-Op Function.","help":""}, {"name":"ColorHillshade","description":"This server-side function will apply an on-the-fly process to generate a color-tinted hillshade layer, using a pre-defined color ramp representing depths in meters.","help":"Raster Function Templates may be activated in ArcMap by loading the service into the map, right clicking on the service in the Table of Contents to select Properties, and selecting the desired function from the Server Functions tab. For help with invoking raster functions via REST calls, see http://resources.arcgis.com/en/help/rest/apiref/."}, {"name":"GrayscaleHillshade","description":"This server-side function will apply an on-the-fly process to the input elevation values to generate a single band grayscale hillshade.","help":"Raster Function Templates may be activated in ArcMap by loading the service into the map, right clicking on the service in the Table of Contents to select Properties, and selecting the desired function from the Server Functions tab. For help with invoking raster functions via REST calls, see http://resources.arcgis.com/en/help/rest/apiref/."}, {"name":"SlopeRGBMap","description":"This server-side function will apply an on-the-fly process to the input elevation data to generate a color visualization of slope, where flat terrain is gray, shallow slopes are yellow, and steep slopes are red-brown.","help":"Raster Function Templates may be activated in ArcMap by loading the service into the map, right clicking on the service in the Table of Contents to select Properties, and selecting the desired function from the Server Functions tab. For help with invoking raster functions via REST calls, see http://resources.arcgis.com/en/help/rest/apiref/."}, {"name":"SlopeNumericValues","description":"This server-side function will apply an on-the-fly process to the input elevation data to generate a service returning slope (in degrees, from 0 to 90).","help":"Raster Function Templates may be activated in ArcMap by loading the service into the map, right clicking on the service in the Table of Contents to select Properties, and selecting the desired function from the Server Functions tab. For help with invoking raster functions via REST calls, see http://resources.arcgis.com/en/help/rest/apiref/."}, {"name":"AspectRGBMap","description":"This server-side function will apply an on-the-fly process to the input elevation data to generate a color visualization of aspect.","help":""}, {"name":"AspectNumericValues","description":"This server-side function will apply an on-the-fly process to the input elevation data to generate an aspect layer (0-360 degrees).","help":"Raster Function Templates may be activated in ArcMap by loading the service into the map, right clicking on the service in the Table of Contents to select Properties, and selecting the desired function from the Server Functions tab. For help with invoking raster functions via REST calls, see http://resources.arcgis.com/en/help/rest/apiref/."}

Mensuration Capabilities: None

Has Histograms: true

Has Colormap: false

Has Multi Dimensions : false

Rendering Rule:

Min Scale: 0

Max Scale: 0

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

Service Data Type: esriImageServiceDataTypeElevation

Min Values: -9364.290804624557

Max Values: 4175.14093875885

Mean Values: -330.4876920682173

Standard Deviation Values: 925.7136107849751

Object ID Field: OBJECTID

Fields: Default Mosaic Method: Northwest

Allowed Mosaic Methods: NorthWest,LockRaster

SortField:

SortValue: null

Mosaic Operator: First

Default Compression Quality: 75

Default Resampling Method: Bilinear

Max Record Count: 1000

Max Image Height: 20000

Max Image Width: 20000

Max Download Image Count: 20

Max Mosaic Image Count: 9999

Allow Raster Function: true

Allow Compute TiePoints: false

Supports Statistics: true

Supports Advanced Queries: true

Use StandardizedQueries: true

Raster Type Infos: Has Raster Attribute Table: false

Edit Fields Info: null

Ownership Based AccessControl For Rasters: null

Child Resources:   Info   Histograms   Key Properties   Legend   MultiDimensionalInfo   rasterFunctionInfos

Supported Operations:   Export Image   Query   Identify   Compute Histograms   Compute Statistics Histograms   Get Samples   Compute Class Statistics