Smith & Sandwell Predicted Bathymetry--Global DEM

This data is now incorporated into  ETOPO1 or SRTM15+.

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• Smith, W. H. F., and D. T. Sandwell, 1997, Global Sea Floor Topography from Satellite Altimetry and Ship Depth Soundings, Science, v. 277, p. 1956-1962.

Last revision 3/17/2020