netcdf pvcaossmpsS1.b1.20130310.000148 { dimensions: time = UNLIMITED ; // (129 currently) diameter_mobility = 106 ; bound = 2 ; variables: int base_time ; base_time:string = "2013-03-10 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 2013-03-10 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 2013-03-10 00:00:00 0:00" ; time:standard_name = "time" ; time:bounds = "time_bounds" ; double time_bounds(time, bound) ; time_bounds:long_name = "Time cell bounds" ; time_bounds:bound_offsets = 0., 300. ; float diameter_mobility(diameter_mobility) ; diameter_mobility:long_name = "Midpoint of geometric mean mobility diameter" ; diameter_mobility:units = "nm" ; diameter_mobility:bounds = "diameter_mobility_bounds" ; float diameter_mobility_bounds(diameter_mobility, bound) ; diameter_mobility_bounds:long_name = "Mobility diameter bin boundaries" ; diameter_mobility_bounds:units = "nm" ; float lower_size(time) ; lower_size:long_name = "Lower size limit" ; lower_size:units = "nm" ; lower_size:missing_value = -9999.f ; float dN_dlogDp(time, diameter_mobility) ; dN_dlogDp:long_name = "Number size distribution, electrical mobility diameter" ; dN_dlogDp:units = "1/cm^3" ; dN_dlogDp:missing_value = -9999.f ; dN_dlogDp:comment = "dN_dlogDp is the aerosol number size distribution where the number of particles per bin (dN) have been divided by the bin-width in log10 space (dlogDp). This simplifies comparison of size distributions from instruments with different bin spacing." ; dN_dlogDp:ancillary_variables = "qc_dN_dlogDp" ; int qc_dN_dlogDp(time, diameter_mobility) ; qc_dN_dlogDp:long_name = "Quality check results on field: Number size distribution, electrical mobility diameter" ; qc_dN_dlogDp:units = "1" ; qc_dN_dlogDp:description = "This field contains bit packed integer values, where each bit represents a QC test on the data. Non-zero bits indicate the QC condition given in the description for those bits; a value of 0 (no bits set) indicates the data has not failed any QC tests." ; qc_dN_dlogDp:flag_method = "bit" ; qc_dN_dlogDp:fail_min = 0.f ; qc_dN_dlogDp:fail_max = 6.4e+08f ; qc_dN_dlogDp:warn_max = 6400000.f ; qc_dN_dlogDp:bit_1_description = "Value is equal to missing_value." ; qc_dN_dlogDp:bit_1_assessment = "Bad" ; qc_dN_dlogDp:bit_2_description = "Value is less than fail_min." ; qc_dN_dlogDp:bit_2_assessment = "Bad" ; qc_dN_dlogDp:bit_3_description = "Value is greater than fail_max." ; qc_dN_dlogDp:bit_3_assessment = "Bad" ; qc_dN_dlogDp:bit_4_description = "Value is greater than warn_max" ; qc_dN_dlogDp:bit_4_assessment = "Indeterminate" ; qc_dN_dlogDp:bit_5_description = "diffusion_correction not = 1" ; qc_dN_dlogDp:bit_5_assessment = "Bad" ; qc_dN_dlogDp:bit_6_description = "multiple_charge_correction not = 1" ; qc_dN_dlogDp:bit_6_assessment = "Bad" ; qc_dN_dlogDp:bit_7_description = "nanoparticle_agglomerate_mobility_analysis not = 0" ; qc_dN_dlogDp:bit_7_assessment = "Indeterminate" ; qc_dN_dlogDp:bit_8_description = "status_flag not = 0" ; qc_dN_dlogDp:bit_8_assessment = "Bad" ; float total_N_conc(time) ; total_N_conc:long_name = "Total number concentration from integrated size distribution, SMPS" ; total_N_conc:units = "1/cm^3" ; total_N_conc:missing_value = -9999.f ; total_N_conc:ancillary_variables = "qc_total_N_conc" ; int qc_total_N_conc(time) ; qc_total_N_conc:long_name = "Quality check results on field: Total number concentration from integrated size distribution, SMPS" ; qc_total_N_conc:units = "1" ; qc_total_N_conc:description = "This field contains bit packed integer values, where each bit represents a QC test on the data. Non-zero bits indicate the QC condition given in the description for those bits; a value of 0 (no bits set) indicates the data has not failed any QC tests." ; qc_total_N_conc:flag_method = "bit" ; qc_total_N_conc:bit_1_description = "Value is equal to missing_value." ; qc_total_N_conc:bit_1_assessment = "Bad" ; qc_total_N_conc:bit_2_description = "A bin on dN_dlogDp is less than fail_min." ; qc_total_N_conc:bit_2_assessment = "Bad" ; qc_total_N_conc:bit_3_description = "A bin on dN_dlogDp is greater than fail_max." ; qc_total_N_conc:bit_3_assessment = "Bad" ; qc_total_N_conc:bit_4_description = "A bin on dN_dlogDp is greater than warn_max." ; qc_total_N_conc:bit_4_assessment = "Indeterminate" ; qc_total_N_conc:bit_5_description = "diffusion_correction not = 1" ; qc_total_N_conc:bit_5_assessment = "Bad" ; qc_total_N_conc:bit_6_description = "multiple_charge_correction not = 1" ; qc_total_N_conc:bit_6_assessment = "Bad" ; qc_total_N_conc:bit_7_description = "nanoparticle_agglomerate_mobility_analysis not = 0" ; qc_total_N_conc:bit_7_assessment = "Indeterminate" ; qc_total_N_conc:bit_8_description = "status_flag not = 0" ; qc_total_N_conc:bit_8_assessment = "Bad" ; double total_SA_conc(time) ; total_SA_conc:long_name = "Total surface area concentration from integrated size distribution, SMPS" ; total_SA_conc:units = "nm^2/cm^3" ; total_SA_conc:missing_value = -9999. ; total_SA_conc:comment = "Integrated surface area concentration assuming spherical particles with unity shape factor" ; total_SA_conc:ancillary_variables = "qc_total_SA_conc" ; int qc_total_SA_conc(time) ; qc_total_SA_conc:long_name = "Quality check results on field: Total surface area concentration from integrated size distribution, SMPS" ; qc_total_SA_conc:units = "1" ; qc_total_SA_conc:description = "This field contains bit packed integer values, where each bit represents a QC test on the data. Non-zero bits indicate the QC condition given in the description for those bits; a value of 0 (no bits set) indicates the data has not failed any QC tests." ; qc_total_SA_conc:flag_method = "bit" ; qc_total_SA_conc:bit_1_description = "Value is equal to missing_value." ; qc_total_SA_conc:bit_1_assessment = "Bad" ; qc_total_SA_conc:bit_2_description = "A bin on dN_dlogDp is less than fail_min." ; qc_total_SA_conc:bit_2_assessment = "Bad" ; qc_total_SA_conc:bit_3_description = "A bin on dN_dlogDp is greater than fail_max." ; qc_total_SA_conc:bit_3_assessment = "Bad" ; qc_total_SA_conc:bit_4_description = "A bin on dN_dlogDp is greater than warn_max." ; qc_total_SA_conc:bit_4_assessment = "Indeterminate" ; qc_total_SA_conc:bit_5_description = "diffusion_correction not = 1" ; qc_total_SA_conc:bit_5_assessment = "Bad" ; qc_total_SA_conc:bit_6_description = "multiple_charge_correction not = 1" ; qc_total_SA_conc:bit_6_assessment = "Bad" ; qc_total_SA_conc:bit_7_description = "nanoparticle_agglomerate_mobility_analysis not = 0" ; qc_total_SA_conc:bit_7_assessment = "Indeterminate" ; qc_total_SA_conc:bit_8_description = "status_flag not = 0" ; qc_total_SA_conc:bit_8_assessment = "Bad" ; double dD_to_dSA(diameter_mobility) ; dD_to_dSA:long_name = "Surface area of one particle" ; dD_to_dSA:units = "nm^2" ; dD_to_dSA:missing_value = -9999. ; dD_to_dSA:comment = "Surface area of one particle with the given mobility diameter assuming spherical particles with unity shape factor" ; double total_V_conc(time) ; total_V_conc:long_name = "Total volume concentration from integrated size distribution, SMPS" ; total_V_conc:units = "nm^3/cm^3" ; total_V_conc:missing_value = -9999. ; total_V_conc:comment = "Integrated volume concentration assuming spherical particles with unity shape factor" ; total_V_conc:ancillary_variables = "qc_total_V_conc" ; int qc_total_V_conc(time) ; qc_total_V_conc:long_name = "Quality check results on field: Total volume concentration from integrated size distribution, SMPS" ; qc_total_V_conc:units = "1" ; qc_total_V_conc:description = "This field contains bit packed integer values, where each bit represents a QC test on the data. Non-zero bits indicate the QC condition given in the description for those bits; a value of 0 (no bits set) indicates the data has not failed any QC tests." ; qc_total_V_conc:flag_method = "bit" ; qc_total_V_conc:bit_1_description = "Value is equal to missing_value." ; qc_total_V_conc:bit_1_assessment = "Bad" ; qc_total_V_conc:bit_2_description = "A bin on dN_dlogDp is less than fail_min." ; qc_total_V_conc:bit_2_assessment = "Bad" ; qc_total_V_conc:bit_3_description = "A bin on dN_dlogDp is greater than fail_max." ; qc_total_V_conc:bit_3_assessment = "Bad" ; qc_total_V_conc:bit_4_description = "A bin on dN_dlogDp is greater than warn_max." ; qc_total_V_conc:bit_4_assessment = "Indeterminate" ; qc_total_V_conc:bit_5_description = "diffusion_correction not = 1" ; qc_total_V_conc:bit_5_assessment = "Bad" ; qc_total_V_conc:bit_6_description = "multiple_charge_correction not = 1" ; qc_total_V_conc:bit_6_assessment = "Bad" ; qc_total_V_conc:bit_7_description = "nanoparticle_agglomerate_mobility_analysis not = 0" ; qc_total_V_conc:bit_7_assessment = "Indeterminate" ; qc_total_V_conc:bit_8_description = "status_flag not = 0" ; qc_total_V_conc:bit_8_assessment = "Bad" ; double dD_to_dV(diameter_mobility) ; dD_to_dV:long_name = "Volume of one particle" ; dD_to_dV:units = "nm^3" ; dD_to_dV:missing_value = -9999. ; dD_to_dV:comment = "Volume of one particle with the given mobility diameter assuming spherical particles with unity shape factor" ; 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 sheath_flow(time) ; sheath_flow:long_name = "Sheath flow rate set point" ; sheath_flow:units = "L/min" ; sheath_flow: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 ; geometric_mean:comment = "Geometric mean of the size distribution" ; float geometric_std(time) ; geometric_std:long_name = "Geometric standard deviation of lognormal function" ; geometric_std:units = "nm" ; geometric_std:missing_value = -9999.f ; geometric_std:comment = "Geometric standard deviation of the size distribution" ; float mean(time) ; mean:long_name = "Number mean diameter of size distribution" ; mean:units = "nm" ; mean:missing_value = -9999.f ; float median(time) ; median:long_name = "Number median diameter of size distribution" ; median:units = "nm" ; median:missing_value = -9999.f ; float mode(time) ; mode:long_name = "Number mode diameter of size distribution" ; mode:units = "nm" ; mode:missing_value = -9999.f ; 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 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 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 ; int diffusion_correction ; diffusion_correction:long_name = "Diffusion correction" ; diffusion_correction:units = "1" ; diffusion_correction:missing_value = -9999 ; diffusion_correction:flag_values = 0, 1 ; diffusion_correction:flag_meanings = "off on" ; diffusion_correction:comment = "TSI incorporated diffusion correction flag; 0 = off, 1 = on" ; int multiple_charge_correction ; multiple_charge_correction:long_name = "Multiple charge correction" ; multiple_charge_correction:units = "1" ; multiple_charge_correction:missing_value = -9999 ; multiple_charge_correction:flag_values = 0, 1 ; multiple_charge_correction:flag_meanings = "off on" ; multiple_charge_correction:comment = "TSI incorporated multiple charge correction flag; 0 = off, 1 = on" ; int nanoparticle_agglomerate_mobility_analysis ; nanoparticle_agglomerate_mobility_analysis:long_name = "Nanoparticle agglomerate mobility analysis" ; nanoparticle_agglomerate_mobility_analysis:units = "1" ; nanoparticle_agglomerate_mobility_analysis:missing_value = -9999 ; nanoparticle_agglomerate_mobility_analysis:flag_values = 0, 1 ; nanoparticle_agglomerate_mobility_analysis:flag_meanings = "off on" ; nanoparticle_agglomerate_mobility_analysis:comment = "TSI incorporated nanoparticle agglomerate mobility analysis flag; 0 = off, 1 = on" ; int down_scan_first ; down_scan_first:long_name = "Down scan first" ; down_scan_first:units = "1" ; down_scan_first:missing_value = -9999 ; down_scan_first:flag_values = 0, 1 ; down_scan_first:flag_meanings = "off on" ; int status_flag(time) ; status_flag:long_name = "Scan status flag" ; status_flag:units = "1" ; 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 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 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 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 = "aossmpscorr -s pvc -f S1 -DR" ; :Conventions = "ARM-1.2" ; :process_version = "ingest-aossmpscorr-1.2-0.el7" ; :dod_version = "aossmps-b1-1.1" ; :site_id = "pvc" ; :platform_id = "aossmps" ; :facility_id = "S1" ; :data_level = "b1" ; :location_description = "Two-Column Aerosol Project (TCAP), Cape Cod, Massachusetts" ; :datastream = "pvcaossmpsS1.b1" ; :input_datastreams = "pvcaossmpsS1.a1 : 1.1 : 20130309.000149-20130310.000148" ; :sampling_interval = "5 minutes" ; :scan_up_time = "260 s" ; :retrace_time = "15 s" ; :scans_per_sample = "1" ; :impactor_type = "0.071000 cm" ; :DMA_to_CPC_time_delay = "1.129000 s" ; :DMA_model = "3081" ; :classifier_model = "3080" ; :channels_per_decade = "64" ; :instrument_output_units = "dw/dlogDp" ; :instrument_output_weighting = "Number" ; :doi = "10.5439/1476898" ; :history = "created by user fparry on machine flint at 2021-09-03 18:58:34, using ingest-aossmpscorr-1.2-0.el7" ; }