netcdf nsaaosaeth2spotX1.a1.20201022.160000 { dimensions: time = UNLIMITED ; // (93 currently) wavelength = 7 ; variables: int base_time ; base_time:string = "2020-10-22 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 2020-10-22 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 2020-10-22 00:00:00 0:00" ; time:standard_name = "time" ; float wavelength(wavelength) ; wavelength:long_name = "Wavelength of aethelometer optical filter" ; wavelength:units = "nm" ; int system_flags(time) ; system_flags:long_name = "Aethalometer system flags" ; system_flags:units = "unitless" ; system_flags:missing_value = -9999 ; int instrument_flags(time) ; instrument_flags:long_name = "Aethalometer instrument flags" ; instrument_flags:units = "unitless" ; instrument_flags:missing_value = -9999 ; int tape_advances(time) ; tape_advances:long_name = "Number of tape advances since start" ; tape_advances:units = "unitless" ; tape_advances:missing_value = -9999 ; float control_temperature(time) ; control_temperature:long_name = "Control temperature" ; control_temperature:units = "degC" ; control_temperature:missing_value = -9999.f ; float power_supply_temperature(time) ; power_supply_temperature:long_name = "Power supply temperature" ; power_supply_temperature:units = "degC" ; power_supply_temperature:missing_value = -9999.f ; float sample_flow_rate_spot_1(time) ; sample_flow_rate_spot_1:long_name = "Instrument flow rate for spot 1" ; sample_flow_rate_spot_1:units = "L/min" ; sample_flow_rate_spot_1:flow_type = "mass flow" ; sample_flow_rate_spot_1:reference = "volume of mass flow corresponding to 20 deg C, 1013.25 Pa" ; sample_flow_rate_spot_1:missing_value = -9999.f ; float sample_flow_rate_spot_2(time) ; sample_flow_rate_spot_2:long_name = "Instrument flow rate for spot 2" ; sample_flow_rate_spot_2:units = "L/min" ; sample_flow_rate_spot_2:flow_type = "mass flow" ; sample_flow_rate_spot_2:reference = "volume of mass flow corresponding to 20 deg C, 1013.25 Pa" ; sample_flow_rate_spot_2:missing_value = -9999.f ; float sample_flow_rate_combined(time) ; sample_flow_rate_combined:long_name = "Instrument flow rate for both spots combined" ; sample_flow_rate_combined:units = "L/min" ; sample_flow_rate_combined:flow_type = "mass flow" ; sample_flow_rate_combined:reference = "volume of mass flow corresponding to 20 deg C, 1013.25 Pa" ; sample_flow_rate_combined:missing_value = -9999.f ; float spot_size_area ; spot_size_area:long_name = "Spot size area" ; spot_size_area:units = "cm^2" ; float sample_intensity_spot_1(time, wavelength) ; sample_intensity_spot_1:long_name = "Sample intensity for spot 1" ; sample_intensity_spot_1:units = "count" ; sample_intensity_spot_1:missing_value = -9999.f ; float sample_intensity_spot_2(time, wavelength) ; sample_intensity_spot_2:long_name = "Sample intensity for spot 2" ; sample_intensity_spot_2:units = "count" ; sample_intensity_spot_2: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 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_spot_1_uncorrected(time, wavelength) ; equivalent_black_carbon_spot_1_uncorrected:long_name = "Equivalent black carbon concentration for spot 1 uncorrected for loading factors" ; equivalent_black_carbon_spot_1_uncorrected:units = "ng/m^3" ; equivalent_black_carbon_spot_1_uncorrected:missing_value = -9999.f ; float equivalent_black_carbon_spot_2_uncorrected(time, wavelength) ; equivalent_black_carbon_spot_2_uncorrected:long_name = "Equivalent black carbon concentration for spot 2 uncorrected for loading factors" ; equivalent_black_carbon_spot_2_uncorrected:units = "ng/m^3" ; equivalent_black_carbon_spot_2_uncorrected:missing_value = -9999.f ; float loading_correction_factor(time, wavelength) ; loading_correction_factor:long_name = "Loading correction factor" ; loading_correction_factor:units = "unitless" ; loading_correction_factor:missing_value = -9999.f ; float equivalent_black_carbon(time, wavelength) ; equivalent_black_carbon:long_name = "Equivalent black carbon concentration corrected for loading factors" ; 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 = "nsaaos_ingest -s nsa -f X1" ; :Conventions = "ARM-1.1" ; :process_version = "ingest-nsaaos-1.2-0.el7" ; :dod_version = "aosaeth2spot-a1-2.0" ; :input_source = "/data/collection/nsa/nsaaosX1.00/X1_20201022T160000Z.csv" ; :site_id = "nsa" ; :platform_id = "aosaeth2spot" ; :facility_id = "X1" ; :data_level = "a1" ; :location_description = "North Slope of Alaska (NSA), Barrow, Alaska" ; :sampling_interval = "1 minute" ; :datastream = "nsaaosaeth2spotX1.a1" ; :doi = "10.5439/1211529" ; :history = "created by user dsmgr on machine flint at 2020-10-23 11:17:01, using ingest-nsaaos-1.2-0.el7" ; }