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Seward, Alaska 1 arc-second DEM

The 1 arc-second Seward Alaska Elevation Grid provides bathymetric data in ASCII raster format of .89-second resolution in geographic coordinates. This grid is strictly for tsunami inundation modeling

Cite this dataset when used as a source.

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  • Online access is not available for this resource
  • Online access is not available for this resource
Distribution Formats
  • ESRI Arc ASCII (Version: 1)
    • File Compression: WINZIP
Distributor Distributor information not available
No point of contact available for this dataset
Documentation links not available.
    Publisher information not available.
  • publication: 2002-01-01
Edition: 2002
Data Presentation Form: mapDigital
Dataset Progress Status Complete
Data Update Frequency: Irregular
Supplemental Information: This grid was developed through funding from the National Tsunami Hazard Mitigation Program. It will be updated as better data become available.
Purpose: This grid was constructed for use in tsunami inundation modeling
Time Period: Unknown  to  Unknown
Spatial Reference System:
Spatial Bounding Box Coordinates:
N: 60.16
S: 60.07
E: -149.31
W: -149.47
Spatial Coverage Map:
  • DEM > Digital Elevation Model
  • H: 1 meter - < 30 meters
  • V: < 1 meter
  • Coastal Relief
  • Gridded elevations
  • Continent > North America > United States of America > Southeast Alaska
  • Seward
  • Ocean > Pacific Ocean
  • Vertical Location > Land Surface
  • Vertical Location > Sea Floor
  • Kenai Peninsula
  • Alaska
  • Seward
  • Resurrection Bay
Use Constraints No constraint information available
Fees Fee information not available.
Source Datasets
  • GEODAS Vol 2, Ver 4.1 and Global Relief
    • Description of Source: Source Contribution: bathymetric data values; Source Type: online
    • Temporal extent used:  1890-01-01  to  2001-01-01
  • 1:25000 and 1:63360 hydrographic vectors, 7.5-minute digital raster graphics
    • Description of Source: Source Contribution: topographic elevation contours and shoreline; Source Type: online
    • Temporal extent used:  1982-01-01  to  1982-01-01
Lineage Statement Lineage statement not available.
Processing Steps
  • Metadata imported.
Processing Environment Native Dataset Environment: Microsoft Windows 2000 Version 5.2 (Build 3790) Service Pack 2; ESRI ArcCatalog

Metadata Last Modified: 2015-09-03

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