netcdf maoaosaeth1spotS1.a1.20151201.000109 { dimensions: time = UNLIMITED ; // (147 currently) wavelength = 7 ; variables: int base_time ; base_time:string = "2015-12-01 00:00:00 0:00" ; base_time:long_name = "Base time in Epoch" ; base_time:units = "seconds since 1970-1-1 0:00:00 0:00" ; base_time:ancillary_variables = "time_offset" ; double time_offset(time) ; time_offset:long_name = "Time offset from base_time" ; time_offset:units = "seconds since 2015-12-01 00:00:00 0:00" ; time_offset:ancillary_variables = "base_time" ; double time(time) ; time:long_name = "Time offset from midnight" ; time:units = "seconds since 2015-12-01 00:00:00 0:00" ; time:standard_name = "time" ; float wavelength(wavelength) ; wavelength:long_name = "Wavelength of aethelometer optical filter" ; wavelength:units = "nm" ; float sample_flow_rate(time) ; sample_flow_rate:long_name = "Instrument flow rate" ; sample_flow_rate:units = "liter/min" ; sample_flow_rate:flow_type = "mass flow" ; sample_flow_rate:reference = "volume of mass flow corresponding to 20 deg C, 1013.25 Pa" ; sample_flow_rate:missing_value = -9999.f ; float bypass_fraction(time) ; bypass_fraction:long_name = "Bypass fraction" ; bypass_fraction:units = "unitless" ; bypass_fraction:missing_value = -9999.f ; float spot_size_area ; spot_size_area:long_name = "Spot size area" ; spot_size_area:units = "cm^2" ; float sample_dark(time, wavelength) ; sample_dark:long_name = "Sample zero or dark level" ; sample_dark:units = "count" ; sample_dark:missing_value = -9999.f ; float sample_intensity(time, wavelength) ; sample_intensity:long_name = "Sample intensity" ; sample_intensity:units = "count" ; sample_intensity:missing_value = -9999.f ; float reference_dark(time, wavelength) ; reference_dark:long_name = "Reference zero or dark level" ; reference_dark:units = "count" ; reference_dark:missing_value = -9999.f ; float reference_intensity(time, wavelength) ; reference_intensity:long_name = "Reference beam intensity" ; reference_intensity:units = "count" ; reference_intensity:missing_value = -9999.f ; float optical_attenuation(time, wavelength) ; optical_attenuation:long_name = "Optical attenuation" ; optical_attenuation:units = "unitless" ; optical_attenuation:equation = "ATN = -100 * ln ( (signal_intensity-signal_dark)/(reference_intensity-reference_dark) )" ; optical_attenuation:missing_value = -9999.f ; float specific_attenuation_sigma ; specific_attenuation_sigma:long_name = "Specific attenuation sigma" ; specific_attenuation_sigma:units = "1/nm" ; specific_attenuation_sigma:comment = "Magee BC calibration uses a specific attenuation value of sigma = 14625/lambda[nm]" ; float equivalent_black_carbon(time, wavelength) ; equivalent_black_carbon:long_name = "Equivalent black carbon concentration" ; equivalent_black_carbon:units = "ng/m^3" ; equivalent_black_carbon:missing_value = -9999.f ; float lat ; lat:long_name = "North latitude" ; lat:units = "degree_N" ; lat:valid_min = -90.f ; lat:valid_max = 90.f ; lat:standard_name = "latitude" ; float lon ; lon:long_name = "East longitude" ; lon:units = "degree_E" ; lon:valid_min = -180.f ; lon:valid_max = 180.f ; lon:standard_name = "longitude" ; float alt ; alt:long_name = "Altitude above mean sea level" ; alt:units = "m" ; alt:standard_name = "altitude" ; // global attributes: :command_line = "aos_ingest -s mao -f S1 -n aosaeth -R -d" ; :Conventions = "ARM-1.1" ; :process_version = "ingest-aos-14.16-0.el6" ; :dod_version = "aosaeth1spot-a1-1.0" ; :site_id = "mao" ; :platform_id = "aosaeth1spot" ; :location_description = "Green Ocean Amazon (GOAMAZON), Manacapuru, Amazonia, Brazil" ; :facility_id = "S1" ; :data_level = "a1" ; :input_source = "/data/collection/mao/maoaosaethS1.00/maomaosas1.aeth.05m.00.20151201.000109.raw.tsv" ; :sampling_interval = "5 minutes" ; :averaging_interval = "not averaged" ; :serial_number = "N/A" ; :datastream = "maoaosaeth1spotS1.a1" ; :history = "created by user dsmgr on machine ruby at 2016-02-12 20:53:12, using ingest-aos-14.16-0.el6" ; }