Attributes {
    lat {
        String long_name "latitude";
        Float32 actual_range -90.0, 90.0;
        Float32 pointwidth 0.01666667;
        Int32 gridtype 0;
        String units "degree_north";
    }
    lon {
        Float32 pointwidth 0.01666667;
        Int32 gridtype 1;
        String units "degree_east";
    }
    z_bedrock {
        Float32 actual_range -10858.0, 8224.0;
        Int32 missing_value -32768;
        String long_name "bedrock elevation/bathymetry";
        String units "m";
        String iridl:hasSemantics "iridl:Elevation";
    }
    z_ice {
        Float32 actual_range -10858.0, 8224.0;
        Int32 missing_value -32768;
        String long_name "ice surface elevation/bathymetry";
        String units "m";
        String iridl:hasSemantics "iridl:Elevation";
    }
NC_GLOBAL {
    String description "ETOPO1 Grid Registered 1 Arc-Minute Global Relief Model";
    URL ETOPO1 Database "http://www.ngdc.noaa.gov/mgg/global/global.html";
    URL More Information "http://www.ngdc.noaa.gov/mgg/global/etopo1sources.html";
    String iridl:hasSemantics "iridl:PlanetarySurface";
    String Conventions "IRIDL";
    String references "Amante_Eakins2008";
    URL dataset_documentation "http://www.ngdc.noaa.gov/mgg/global/relief/ETOPO1/docs/ETOPO1.pdf";
}
}