Smith and Sandwell 1997 Copyright

Walter H. F. Smith and David T. Sandwell, Copyright 1997

Please copy and use these digital topography files for your applications.We are not responsible for errors in the depths. The depths have limited accuracy and should not be used for navigation.

The data contained in this digital file should not be used in any product sold for profit without the written consent of the authors.

Consent is not required for non-profit research use or for creating graphics for oral or poster presentations.

The appropriate reference for these data is: Smith, W. H. F. and D. T. Sandwell, Global Seafloor Topography from Satellite Altimetry and Ship Depth Soundings, submitted to Science, April 7, 1997.

This COPYRIGHT file must be copied and placed in the same directory as the digital data file. In addition, the COPYRIGHT must be attached to any derivative digital topography grids that are intended for re-distribution. Our objective is to have the data distributed as widely as possible, but not sold.

This Copyright also applies to the Land Elevation data although the original data are provided for free and without Copyright at the following WWW site.

http://edcwww.cr.usgs.gov/landdaac/gtopo30/gtopo30.html