data_vars ["sndspd"]

sndspd

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

["attrs"]

standard_name	'speed_of_sound_in_sea_water'
long_name	'Speed of sound in water'
units	'm s-1'

["add_coords_loc"]

Empty dictionary

["select"]

Empty dictionary