data_vars ["vol"]

vol

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

["attrs"]

standard_name	'seawater_volume'
long_name	'Volume of the sea water'
units	'm3'

["add_coords_loc"]

Empty dictionary

["select"]

Empty dictionary