Whittier, Alaska Coastal Digital Elevation Model

NOAA's National Geophysical Data Center (NGDC) is building high-resolution digital elevation models (DEMs) to support individual coastal States as part of the National Tsunami Hazard Mitigation Program's (NTHMP) efforts to improve community preparedness and hazard mitigation. These integrated bathymetric-topographic DEMs are used to support tsunami and coastal inundation mapping. Bathymetric, topographic, and shoreline data used in DEM compilation are obtained from various sources, including NGDC, the U.S. National Ocean Service (NOS), the U.S. Geological Survey (USGS), the U.S. Army Corps of Engineers (USACE), the Federal Emergency Management Agency (FEMA), and other federal, state, and local government agencies, academic institutions, and private companies. DEMs are referenced to various vertical and horizontal datums depending on the specific modeling requirements of each State. For specific datum information on each DEM, refer to the appropriate DEM documentation. Cell sizes also vary depending on the specification required by modelers in each State, but typically range from 8/15 arc-second (~16 meters) to 8 arc-seconds (~240 meters).

Data and Resources

Additional Info

Field	Value
Maintainer	DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
Last Updated	August 14, 2022, 01:16 (CDT)
Created	August 14, 2022, 01:16 (CDT)
Identifier	gov.noaa.ngdc.mgg.dem:530
Language	{en-US}
Modified	2009-03-25
accessLevel	public
accrualPeriodicity	irregular
bureauCode	{006:48}
catalog_@context	https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_conformsTo	https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy	https://project-open-data.cio.gov/v1.1/schema/catalog.json
old-spatial	{"type": "Polygon", "coordinates": [[[-148.75, 60.75], [-148.49, 60.75], [-148.49, 60.85], [-148.75, 60.85], [-148.75, 60.75]]]}
programCode	{006:059}
publisher	DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce (Point of Contact)
resource-type	Dataset
source_datajson_identifier	true
source_hash	502d170b0e28cb1ebefb98ef86c836b3b888e2d5
source_schema_version	1.1
spatial	{"type": "Polygon", "coordinates": [[[-148.75, 60.75], [-148.49, 60.75], [-148.49, 60.85], [-148.75, 60.85], [-148.75, 60.75]]]}
temporal	1902-01-01T00:00:00/2008-01-01T00:00:00