Attributes { time { String unit "days since 1970-01-01"; } lat { String unit "degrees_north"; } lon { String unit "degrees_east"; } sea_water_pressure { String unit "dbar"; } sea_water_temperature_ctd { String unit "degrees C"; } sea_water_salinity_ctd { String unit "psu"; } sea_water_oxygen_saturation_ctd { String unit "percent"; } sea_water_pH_ctd { String unit " "; } sea_water_turbidity_ctd { String unit "FTU"; } sea_water_fluorescence_ctd { String unit "mg/m**3"; } }