netcdf asiaossmpsM1.a1.20171020.000000 { dimensions: time = UNLIMITED ; // (192 currently) diameter_midpoint = 192 ; variables: int base_time ; base_time:string = "2017-10-20 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 2017-10-20 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 2017-10-20 00:00:00 0:00" ; time:standard_name = "time" ; float diameter_midpoint(diameter_midpoint) ; diameter_midpoint:long_name = "Bins for diameter midpoint measurements" ; diameter_midpoint:units = "nm" ; float sample_temperature(time) ; sample_temperature:long_name = "Sample temperature" ; sample_temperature:units = "degC" ; sample_temperature:missing_value = -9999.f ; float sample_pressure(time) ; sample_pressure:long_name = "Sample pressure" ; sample_pressure:units = "kPa" ; sample_pressure:missing_value = -9999.f ; float mean_free_path(time) ; mean_free_path:long_name = "Mean free path" ; mean_free_path:units = "m" ; mean_free_path:missing_value = -9999.f ; float gas_viscosity(time) ; gas_viscosity:long_name = "Gas viscosity" ; gas_viscosity:units = "Pa*s" ; gas_viscosity:missing_value = -9999.f ; float number_size_distribution(time, diameter_midpoint) ; number_size_distribution:long_name = "Number size distribution (dN/dlogDp)" ; number_size_distribution:units = "count/cm^3" ; number_size_distribution:missing_value = -9999.f ; float sheath_flow(time) ; sheath_flow:long_name = "Sheath flow rate set point" ; sheath_flow:units = "L/min" ; sheath_flow:missing_value = -9999.f ; float aerosol_flow(time) ; aerosol_flow:long_name = "Aerosol flow rate set point" ; aerosol_flow:units = "L/min" ; aerosol_flow:missing_value = -9999.f ; float cpc_inlet_flow(time) ; cpc_inlet_flow:long_name = "CPC inlet flow rate set point" ; cpc_inlet_flow:units = "L/min" ; cpc_inlet_flow:missing_value = -9999.f ; float cpc_sample_flow(time) ; cpc_sample_flow:long_name = "CPC sample flow rate" ; cpc_sample_flow:units = "L/min" ; cpc_sample_flow:missing_value = -9999.f ; float low_voltage(time) ; low_voltage:long_name = "Low voltage reading" ; low_voltage:units = "V" ; low_voltage:missing_value = -9999.f ; float high_voltage(time) ; high_voltage:long_name = "High voltage reading" ; high_voltage:units = "V" ; high_voltage:missing_value = -9999.f ; float lower_size(time) ; lower_size:long_name = "Lower size limit" ; lower_size:units = "nm" ; lower_size:missing_value = -9999.f ; int status_flag(time) ; status_flag:long_name = "Scan status flag" ; status_flag:units = "unitless" ; status_flag:missing_value = -9999 ; status_flag:flag_masks = 1, 2, 4, 8, 16 ; status_flag:flag_meanings = "flow_rate_error liquid_level_error concentration_error saturation_temperature_error unknown_error" ; status_flag:bit_1_description = "aerosol_flow_rate_error" ; status_flag:bit_2_description = "liquid_level_error" ; status_flag:bit_3_description = "concentration_error" ; status_flag:bit_4_description = "saturation_temperature_error" ; status_flag:bit_5_description = "unknown_error" ; status_flag:comment = "A value of 0 indicates a normal scan" ; float d50(time) ; d50:long_name = "50 percent cut-point diameter of the impactor" ; d50:units = "nm" ; d50:missing_value = -9999.f ; float median(time) ; median:long_name = "Median diameter of size distribution" ; median:units = "nm" ; median:missing_value = -9999.f ; float mean(time) ; mean:long_name = "Mean diameter of size distribution" ; mean:units = "nm" ; mean:missing_value = -9999.f ; float geometric_mean(time) ; geometric_mean:long_name = "Mean diameter of size distribution using a geometric average" ; geometric_mean:units = "nm" ; geometric_mean:missing_value = -9999.f ; float geometric_mean_std(time) ; geometric_mean_std:long_name = "Standard deviation of mean diameter of size distribution using geometric average" ; geometric_mean_std:units = "nm" ; geometric_mean_std:missing_value = -9999.f ; float mode(time) ; mode:long_name = "Mode diameter of size distribution" ; mode:units = "nm" ; mode:missing_value = -9999.f ; float total_concentration(time) ; total_concentration:long_name = "Total concentration" ; total_concentration:units = "count/cm^3" ; total_concentration:missing_value = -9999.f ; int down_scan_first ; down_scan_first:long_name = "Down scan first" ; down_scan_first:units = "unitless" ; down_scan_first:missing_value = -9999 ; down_scan_first:flag_values = 0, 1 ; down_scan_first:flag_meanings = "false true" ; int multiple_charge_correction ; multiple_charge_correction:long_name = "Multiple charge correction" ; multiple_charge_correction:units = "unitless" ; multiple_charge_correction:missing_value = -9999 ; multiple_charge_correction:flag_values = 0, 1 ; multiple_charge_correction:flag_meanings = "false true" ; int diffusion_correction ; diffusion_correction:long_name = "Diffusion correction" ; diffusion_correction:units = "unitless" ; diffusion_correction:missing_value = -9999 ; diffusion_correction:flag_values = 0, 1 ; diffusion_correction:flag_meanings = "false true" ; int nanoparticle_agglomerate_mobility_analysis ; nanoparticle_agglomerate_mobility_analysis:long_name = "Nanoparticle agglomerate mobility analysis" ; nanoparticle_agglomerate_mobility_analysis:units = "unitless" ; nanoparticle_agglomerate_mobility_analysis:missing_value = -9999 ; nanoparticle_agglomerate_mobility_analysis:flag_values = 0, 1 ; nanoparticle_agglomerate_mobility_analysis:flag_meanings = "false true" ; float DMA_inner_radius ; DMA_inner_radius:long_name = "Inner radius of DMA" ; DMA_inner_radius:units = "cm" ; DMA_inner_radius:missing_value = -9999.f ; float DMA_outer_radius ; DMA_outer_radius:long_name = "Outer radius of DMA" ; DMA_outer_radius:units = "cm" ; DMA_outer_radius:missing_value = -9999.f ; float DMA_characteristic_length ; DMA_characteristic_length:long_name = "Characteristic length of DMA" ; DMA_characteristic_length:units = "cm" ; DMA_characteristic_length:missing_value = -9999.f ; float reference_mean_free_path ; reference_mean_free_path:long_name = "Reference mean free path" ; reference_mean_free_path:units = "m" ; reference_mean_free_path:missing_value = -9999.f ; float reference_gas_viscosity ; reference_gas_viscosity:long_name = "Reference gas viscosity" ; reference_gas_viscosity:units = "Pa*s" ; reference_gas_viscosity:missing_value = -9999.f ; float reference_gas_temperature ; reference_gas_temperature:long_name = "Reference gas temperature" ; reference_gas_temperature:units = "K" ; reference_gas_temperature:missing_value = -9999.f ; float reference_gas_pressure ; reference_gas_pressure:long_name = "Reference gas pressure" ; reference_gas_pressure:units = "kPa" ; reference_gas_pressure:missing_value = -9999.f ; float particle_density ; particle_density:long_name = "Particle density" ; particle_density:units = "g/cm^3" ; particle_density: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 = "aossmps_ingest -s asi -f M1" ; :Conventions = "ARM-1.1" ; :process_version = "ingest-aossmps-1.1-0.el6" ; :dod_version = "aossmps-a1-2.4" ; :input_source = "/data/collection/asi/asiaossmpsM1.00/asimaosam1.smps.05m.00.20171020.000245.raw.tsv" ; :site_id = "asi" ; :platform_id = "aossmps" ; :facility_id = "M1" ; :data_level = "a1" ; :location_description = "Layered Atlantic Smoke Interactions with Clouds (LASIC), Ascension Island" ; :datastream = "asiaossmpsM1.a1" ; :sampling_interval = "5 minutes" ; :scan_up_time = "260 s" ; :retrace_time = "15 s" ; :scans_per_sample = "1" ; :impactor_type = "0.071000 cm" ; :td = "1.129000 s" ; :classifier_model = "3080" ; :DMA_model = "3081" ; :channels_per_decade = "64" ; :units = "dw/dlogDp" ; :weight = "Number" ; :doi = "10.5439/1225453" ; :history = "created by user dsmgr on machine ruby at 2017-10-20 02:29:01, using ingest-aossmps-1.1-0.el6" ; }