ETOPO1 is a 1 arc-minute global relief model of Earth's surface that integrates land topography and ocean bathymetry. It was built from numerous global and regional data sets, and is available in "Ice Surface" (top of Antarctic and Greenland ice she
This readme file contains information on the ETOPO1 binary grid formats. ETOPO1 comes in two different binary formats: 2-byte/16-bit integer (i2) and 4-byte/32-bit float (f4); float refers to the file format, not the elevation values in the grids, w
