Format:
           netcdf4_classic
Global Attributes:
           Author        = 'Junjun Yang'
           Author_email  = 'yang.741@osu.edu'
           version       = 'v1.0'
           Projection    = 'Polar Stereographic South with the true scale at 71S, origin (90S, 0E)'
           proj4         = '+init=epsg:3031'
           xmin          = 1669500
           xmax          = 2247000
           ymin          = 605000
           ymax          = 846500
           spacing       = 500
           Datum         = 'Orthometric height in meters referred to the EIGEN-6C4 geoid'
           no_data       = -9999
           license       = 'No restrictions on access or use'
           Data_citation = 'Yang, J. et al. (2021). Bathymetry beneath the Amery Ice Shelf, East Antarctica, revealed by airborne gravity. Geophysical Research Letters.'
Dimensions:
           x = 1156
           y = 484
Variables:
    x    
           Size:       1156x1
           Dimensions: x
           Datatype:   int32
           Attributes:
                       long_name     = 'Cartesian x-coordinate'
                       standard_name = 'projection_x_coordinate'
                       units         = 'meter'
    y    
           Size:       484x1
           Dimensions: y
           Datatype:   int32
           Attributes:
                       long_name     = 'Cartesian y-coordinate'
                       standard_name = 'projection_y_coordinate'
                       units         = 'meter'
    bed  
           Size:       1156x484
           Dimensions: x,y
           Datatype:   single
           Attributes:
                       _FillValue    = -9999
                       long_name     = 'bed topography'
                       standard_name = 'bedrock_altitude'
                       units         = 'meters'
                       grid_mapping  = 'mapping'
    SID  
           Size:       1156x484
           Dimensions: x,y
           Datatype:   int8
           Attributes:
                       long_name     = 'Source IDentifier for bed'
                       flag_values   = '[0, 1]'
                       flag_meanings = '[0 = gravity estimated seafloor topography, 1 = Bed elevation in BedMachine Antarctica v2.0]'
                       grid_mapping  = 'mapping'
    geoid
           Size:       1156x484
           Dimensions: x,y
           Datatype:   int16
           Attributes:
                       long_name     = 'EIGEN-6C4 Geoid - WGS84 Ellipsoid difference'
                       standard_name = 'geoid_height_above_reference_ellipsoid'
                       units         = 'meters'
                       grid_mapping  = 'mapping'