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Open-File Report 2012-1266

Bathymetric Terrain Model of the Atlantic Margin for Marine Geological Investigations

Data Catalog

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These data may be updated as new bathymetric data are made available. A version number will be appended to file names. For example, version 2.0 of the BTM is "ambath100m_V2".


The data in this report are published using a Mercator projection with central longitude of 72 degrees west and latitude of true scale of 40 degrees north. All horizontal and vertical units are in meters. The projection parameters continued in the "prj.adf" file used by ArcGIS grid published in this report are listed below:

Projection    MERCATOR
Datum    WGS84
Spheroid    WGS84
Units    METERS
Xshift  0.0
Yshift  0.0

-7200.0/* longitude of central meridian
 4000.0/* latitude of true scale
0.0/* false easting (meters)
0.0/* false northering (meters)

Data Resolution






Identifies the name of the source grid used in the combine operation

thumbnail image of bathymetry



100-m gridded bathymetry

thumbnail image of bathymetric grid



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