ETOPO2 Mapper is a program that draws on the digital elevation data from the latest version of the
NOAA/NGDC Earth topography database file, which contains 2-minute gridded global relief data for the entire surface
of the Earth, including the ocean floor.
This datafile is designated ETOPO2v2 (June, 2006).
You can download a copy of this 114 MB file (as a 70 MB download) from:
Click the map of the North Sea opposite to see the full resolution of ETOPO2 Mapper.