data_vars ["ssd"]

ssd

cmap	'cmo.dense'
name	None
alt_names
squeeze	None
search_order	'sn'
loc	None
add_loc	False
exclude	False

["attrs"]

standard_name	'sea_surface_density'
long_name	'Sea surface density'
units	'PSU'

["add_coords_loc"]

Empty dictionary

["select"]

Empty dictionary