netcdf houacsmtofcdceS3.c1.20220928.000325 { dimensions: time = UNLIMITED ; // (144 currently) bound = 2 ; variables: int base_time ; base_time:string = "2022-09-28 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 2022-09-28 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 2022-09-28 00:00:00 0:00" ; time:bounds = "time_bounds" ; time:standard_name = "time" ; double time_bounds(time, bound) ; time_bounds:long_name = "Time cell bounds" ; time_bounds:bound_offsets = -600., 0. ; float chloride(time) ; chloride:long_name = "Mass concentration of chloride, ambient aerosol in air" ; chloride:units = "ug/m^3" ; chloride:valid_min = -1.f ; chloride:valid_max = 100.f ; chloride:missing_value = -9999.f ; chloride:ancillary_variables = "qc_chloride" ; chloride:source = "houaosacsmtofspecS3.b1:chloride" ; int qc_chloride(time) ; qc_chloride:long_name = "Quality check results on variable: Mass concentration of chloride, ambient aerosol in air" ; qc_chloride:units = "1" ; qc_chloride:standard_name = "quality_flag" ; qc_chloride:description = "This variable 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_chloride:warn_min = 0.02f ; qc_chloride:warn_max = 50.f ; qc_chloride:heater_temp_min = 590.f ; qc_chloride:press_inlet_min = 1.f ; qc_chloride:detector_min = 2000.f ; qc_chloride:airbeam_norm_min = 0.7f ; qc_chloride:airbeam_norm_max = 1.3f ; qc_chloride:turbo_speed_min = 950.f ; qc_chloride:heater_bias_min = 20.f ; qc_chloride:flag_method = "bit" ; qc_chloride:bit_1_description = "Value is equal to missing_value" ; qc_chloride:bit_1_assessment = "Bad" ; qc_chloride:bit_2_description = "Value is less than valid_min" ; qc_chloride:bit_2_assessment = "Bad" ; qc_chloride:bit_3_description = "Value is greater than valid_max" ; qc_chloride:bit_3_assessment = "Bad" ; qc_chloride:bit_4_description = "Value is less than warn_min" ; qc_chloride:bit_4_assessment = "Indeterminate" ; qc_chloride:bit_5_description = "Value is greater than warn_max" ; qc_chloride:bit_5_assessment = "Indeterminate" ; qc_chloride:bit_6_description = "Heater temperature less than heater_temp_min" ; qc_chloride:bit_6_assessment = "Bad" ; qc_chloride:bit_7_description = "Inlet pressure (filtered or unfiltered) less than press_inlet_min" ; qc_chloride:bit_7_assessment = "Bad" ; qc_chloride:bit_8_description = "Detector voltage less than detector_min" ; qc_chloride:bit_8_assessment = "Bad" ; qc_chloride:bit_9_description = "Filament emission current setting equal to 0" ; qc_chloride:bit_9_assessment = "Bad" ; qc_chloride:bit_10_description = "Not used" ; qc_chloride:bit_10_assessment = "Bad" ; qc_chloride:bit_11_description = "Not used" ; qc_chloride:bit_11_assessment = "Bad" ; qc_chloride:bit_12_description = "Not used" ; qc_chloride:bit_12_assessment = "Bad" ; qc_chloride:bit_13_description = "Not used" ; qc_chloride:bit_13_assessment = "Bad" ; qc_chloride:bit_14_description = "Airbeam normalization factor less than airbeam_norm_min" ; qc_chloride:bit_14_assessment = "Bad" ; qc_chloride:bit_15_description = "Airbeam normalization factor greater than airbeam_norm_max" ; qc_chloride:bit_15_assessment = "Bad" ; qc_chloride:bit_16_description = "Turbo pump speed less than turbo_speed_min" ; qc_chloride:bit_16_assessment = "Bad" ; qc_chloride:bit_17_description = "Heater bias voltage less than heater_bias_min" ; qc_chloride:bit_17_assessment = "Bad" ; float ammonium(time) ; ammonium:long_name = "Mass concentration of ammonium, ambient aerosol in air" ; ammonium:units = "ug/m^3" ; ammonium:valid_min = -1.f ; ammonium:valid_max = 100.f ; ammonium:missing_value = -9999.f ; ammonium:ancillary_variables = "qc_ammonium" ; ammonium:source = "houaosacsmtofspecS3.b1:ammonium" ; int qc_ammonium(time) ; qc_ammonium:long_name = "Quality check results on variable: Mass concentration of ammonium, ambient aerosol in air" ; qc_ammonium:units = "1" ; qc_ammonium:standard_name = "quality_flag" ; qc_ammonium:description = "This variable 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_ammonium:warn_min = 0.1f ; qc_ammonium:warn_max = 50.f ; qc_ammonium:heater_temp_min = 590.f ; qc_ammonium:press_inlet_min = 1.f ; qc_ammonium:detector_min = 2000.f ; qc_ammonium:airbeam_norm_min = 0.7f ; qc_ammonium:airbeam_norm_max = 1.3f ; qc_ammonium:turbo_speed_min = 950.f ; qc_ammonium:heater_bias_min = 20.f ; qc_ammonium:flag_method = "bit" ; qc_ammonium:bit_1_description = "Value is equal to missing_value" ; qc_ammonium:bit_1_assessment = "Bad" ; qc_ammonium:bit_2_description = "Value is less than valid_min" ; qc_ammonium:bit_2_assessment = "Bad" ; qc_ammonium:bit_3_description = "Value is greater than valid_max" ; qc_ammonium:bit_3_assessment = "Bad" ; qc_ammonium:bit_4_description = "Value is less than warn_min" ; qc_ammonium:bit_4_assessment = "Indeterminate" ; qc_ammonium:bit_5_description = "Value is greater than warn_max" ; qc_ammonium:bit_5_assessment = "Indeterminate" ; qc_ammonium:bit_6_description = "Heater temperature less than heater_temp_min" ; qc_ammonium:bit_6_assessment = "Bad" ; qc_ammonium:bit_7_description = "Inlet pressure (filtered or unfiltered) less than press_inlet_min" ; qc_ammonium:bit_7_assessment = "Bad" ; qc_ammonium:bit_8_description = "Detector voltage less than detector_min" ; qc_ammonium:bit_8_assessment = "Bad" ; qc_ammonium:bit_9_description = "Filament emission current setting equal to 0" ; qc_ammonium:bit_9_assessment = "Bad" ; qc_ammonium:bit_10_description = "Not used" ; qc_ammonium:bit_10_assessment = "Bad" ; qc_ammonium:bit_11_description = "Not used" ; qc_ammonium:bit_11_assessment = "Bad" ; qc_ammonium:bit_12_description = "Not used" ; qc_ammonium:bit_12_assessment = "Bad" ; qc_ammonium:bit_13_description = "Not used" ; qc_ammonium:bit_13_assessment = "Bad" ; qc_ammonium:bit_14_description = "Airbeam normalization factor less than airbeam_norm_min" ; qc_ammonium:bit_14_assessment = "Bad" ; qc_ammonium:bit_15_description = "Airbeam normalization factor greater than airbeam_norm_max" ; qc_ammonium:bit_15_assessment = "Bad" ; qc_ammonium:bit_16_description = "Turbo pump speed less than turbo_speed_min" ; qc_ammonium:bit_16_assessment = "Bad" ; qc_ammonium:bit_17_description = "Heater bias voltage less than heater_bias_min" ; qc_ammonium:bit_17_assessment = "Bad" ; float nitrate(time) ; nitrate:long_name = "Mass concentration of nitrate, ambient aerosol in air" ; nitrate:units = "ug/m^3" ; nitrate:valid_min = -1.f ; nitrate:valid_max = 100.f ; nitrate:missing_value = -9999.f ; nitrate:ancillary_variables = "qc_nitrate" ; nitrate:source = "houaosacsmtofspecS3.b1:nitrate" ; int qc_nitrate(time) ; qc_nitrate:long_name = "Quality check results on variable: Mass concentration of nitrate, ambient aerosol in air" ; qc_nitrate:units = "1" ; qc_nitrate:standard_name = "quality_flag" ; qc_nitrate:description = "This variable 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_nitrate:warn_min = 0.03f ; qc_nitrate:warn_max = 50.f ; qc_nitrate:heater_temp_min = 590.f ; qc_nitrate:press_inlet_min = 1.f ; qc_nitrate:detector_min = 2000.f ; qc_nitrate:airbeam_norm_min = 0.7f ; qc_nitrate:airbeam_norm_max = 1.3f ; qc_nitrate:turbo_speed_min = 950.f ; qc_nitrate:heater_bias_min = 20.f ; qc_nitrate:flag_method = "bit" ; qc_nitrate:bit_1_description = "Value is equal to missing_value" ; qc_nitrate:bit_1_assessment = "Bad" ; qc_nitrate:bit_2_description = "Value is less than valid_min" ; qc_nitrate:bit_2_assessment = "Bad" ; qc_nitrate:bit_3_description = "Value is greater than valid_max" ; qc_nitrate:bit_3_assessment = "Bad" ; qc_nitrate:bit_4_description = "Value is less than warn_min" ; qc_nitrate:bit_4_assessment = "Indeterminate" ; qc_nitrate:bit_5_description = "Value is greater than warn_max" ; qc_nitrate:bit_5_assessment = "Indeterminate" ; qc_nitrate:bit_6_description = "Heater temperature less than heater_temp_min" ; qc_nitrate:bit_6_assessment = "Bad" ; qc_nitrate:bit_7_description = "Inlet pressure (filtered or unfiltered) less than press_inlet_min" ; qc_nitrate:bit_7_assessment = "Bad" ; qc_nitrate:bit_8_description = "Detector voltage less than detector_min" ; qc_nitrate:bit_8_assessment = "Bad" ; qc_nitrate:bit_9_description = "Filament emission current setting equal to 0" ; qc_nitrate:bit_9_assessment = "Bad" ; qc_nitrate:bit_10_description = "Not used" ; qc_nitrate:bit_10_assessment = "Bad" ; qc_nitrate:bit_11_description = "Not used" ; qc_nitrate:bit_11_assessment = "Bad" ; qc_nitrate:bit_12_description = "Not used" ; qc_nitrate:bit_12_assessment = "Bad" ; qc_nitrate:bit_13_description = "Not used" ; qc_nitrate:bit_13_assessment = "Bad" ; qc_nitrate:bit_14_description = "Airbeam normalization factor less than airbeam_norm_min" ; qc_nitrate:bit_14_assessment = "Bad" ; qc_nitrate:bit_15_description = "Airbeam normalization factor greater than airbeam_norm_max" ; qc_nitrate:bit_15_assessment = "Bad" ; qc_nitrate:bit_16_description = "Turbo pump speed less than turbo_speed_min" ; qc_nitrate:bit_16_assessment = "Bad" ; qc_nitrate:bit_17_description = "Heater bias voltage less than heater_bias_min" ; qc_nitrate:bit_17_assessment = "Bad" ; float total_organics(time) ; total_organics:long_name = "Mass concentration of total organics, ambient aerosol in air" ; total_organics:units = "ug/m^3" ; total_organics:valid_min = -1.f ; total_organics:valid_max = 400.f ; total_organics:missing_value = -9999.f ; total_organics:ancillary_variables = "qc_total_organics" ; total_organics:source = "houaosacsmtofspecS3.b1:total_organics" ; int qc_total_organics(time) ; qc_total_organics:long_name = "Quality check results on variable: Mass concentration of total organics, ambient aerosol in air" ; qc_total_organics:units = "1" ; qc_total_organics:standard_name = "quality_flag" ; qc_total_organics:description = "This variable 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_organics:warn_min = 0.2f ; qc_total_organics:warn_max = 200.f ; qc_total_organics:heater_temp_min = 590.f ; qc_total_organics:press_inlet_min = 1.f ; qc_total_organics:detector_min = 2000.f ; qc_total_organics:airbeam_norm_min = 0.7f ; qc_total_organics:airbeam_norm_max = 1.3f ; qc_total_organics:turbo_speed_min = 950.f ; qc_total_organics:heater_bias_min = 20.f ; qc_total_organics:flag_method = "bit" ; qc_total_organics:bit_1_description = "Value is equal to missing_value" ; qc_total_organics:bit_1_assessment = "Bad" ; qc_total_organics:bit_2_description = "Value is less than valid_min" ; qc_total_organics:bit_2_assessment = "Bad" ; qc_total_organics:bit_3_description = "Value is greater than valid_max" ; qc_total_organics:bit_3_assessment = "Bad" ; qc_total_organics:bit_4_description = "Value is less than warn_min" ; qc_total_organics:bit_4_assessment = "Indeterminate" ; qc_total_organics:bit_5_description = "Value is greater than warn_max" ; qc_total_organics:bit_5_assessment = "Indeterminate" ; qc_total_organics:bit_6_description = "Heater temperature less than heater_temp_min" ; qc_total_organics:bit_6_assessment = "Bad" ; qc_total_organics:bit_7_description = "Inlet pressure (filtered or unfiltered) less than press_inlet_min" ; qc_total_organics:bit_7_assessment = "Bad" ; qc_total_organics:bit_8_description = "Detector voltage less than detector_min" ; qc_total_organics:bit_8_assessment = "Bad" ; qc_total_organics:bit_9_description = "Filament emission current setting equal to 0" ; qc_total_organics:bit_9_assessment = "Bad" ; qc_total_organics:bit_10_description = "Not used" ; qc_total_organics:bit_10_assessment = "Bad" ; qc_total_organics:bit_11_description = "Not used" ; qc_total_organics:bit_11_assessment = "Bad" ; qc_total_organics:bit_12_description = "Not used" ; qc_total_organics:bit_12_assessment = "Bad" ; qc_total_organics:bit_13_description = "Not used" ; qc_total_organics:bit_13_assessment = "Bad" ; qc_total_organics:bit_14_description = "Airbeam normalization factor less than airbeam_norm_min" ; qc_total_organics:bit_14_assessment = "Bad" ; qc_total_organics:bit_15_description = "Airbeam normalization factor greater than airbeam_norm_max" ; qc_total_organics:bit_15_assessment = "Bad" ; qc_total_organics:bit_16_description = "Turbo pump speed less than turbo_speed_min" ; qc_total_organics:bit_16_assessment = "Bad" ; qc_total_organics:bit_17_description = "Heater bias voltage less than heater_bias_min" ; qc_total_organics:bit_17_assessment = "Bad" ; float sulfate(time) ; sulfate:long_name = "Mass concentration of sulfate, ambient aerosol in air" ; sulfate:units = "ug/m^3" ; sulfate:standard_name = "mass_concentration_of_sulfate_ambient_aerosol_particles_in_air" ; sulfate:valid_min = -1.f ; sulfate:valid_max = 100.f ; sulfate:missing_value = -9999.f ; sulfate:ancillary_variables = "qc_sulfate" ; sulfate:source = "houaosacsmtofspecS3.b1:sulfate" ; int qc_sulfate(time) ; qc_sulfate:long_name = "Quality check results on variable: Mass concentration of sulfate, ambient aerosol in air" ; qc_sulfate:units = "1" ; qc_sulfate:standard_name = "quality_flag" ; qc_sulfate:description = "This variable 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_sulfate:warn_min = 0.04f ; qc_sulfate:warn_max = 50.f ; qc_sulfate:heater_temp_min = 590.f ; qc_sulfate:press_inlet_min = 1.f ; qc_sulfate:detector_min = 2000.f ; qc_sulfate:airbeam_norm_min = 0.7f ; qc_sulfate:airbeam_norm_max = 1.3f ; qc_sulfate:turbo_speed_min = 950.f ; qc_sulfate:heater_bias_min = 20.f ; qc_sulfate:flag_method = "bit" ; qc_sulfate:bit_1_description = "Value is equal to missing_value" ; qc_sulfate:bit_1_assessment = "Bad" ; qc_sulfate:bit_2_description = "Value is less than valid_min" ; qc_sulfate:bit_2_assessment = "Bad" ; qc_sulfate:bit_3_description = "Value is greater than valid_max" ; qc_sulfate:bit_3_assessment = "Bad" ; qc_sulfate:bit_4_description = "Value is less than warn_min" ; qc_sulfate:bit_4_assessment = "Indeterminate" ; qc_sulfate:bit_5_description = "Value is greater than warn_max" ; qc_sulfate:bit_5_assessment = "Indeterminate" ; qc_sulfate:bit_6_description = "Heater temperature less than heater_temp_min" ; qc_sulfate:bit_6_assessment = "Bad" ; qc_sulfate:bit_7_description = "Inlet pressure (filtered or unfiltered) less than press_inlet_min" ; qc_sulfate:bit_7_assessment = "Bad" ; qc_sulfate:bit_8_description = "Detector voltage less than detector_min" ; qc_sulfate:bit_8_assessment = "Bad" ; qc_sulfate:bit_9_description = "Filament emission current setting equal to 0" ; qc_sulfate:bit_9_assessment = "Bad" ; qc_sulfate:bit_10_description = "Not used" ; qc_sulfate:bit_10_assessment = "Bad" ; qc_sulfate:bit_11_description = "Not used" ; qc_sulfate:bit_11_assessment = "Bad" ; qc_sulfate:bit_12_description = "Not used" ; qc_sulfate:bit_12_assessment = "Bad" ; qc_sulfate:bit_13_description = "Not used" ; qc_sulfate:bit_13_assessment = "Bad" ; qc_sulfate:bit_14_description = "Airbeam normalization factor less than airbeam_norm_min" ; qc_sulfate:bit_14_assessment = "Bad" ; qc_sulfate:bit_15_description = "Airbeam normalization factor greater than airbeam_norm_max" ; qc_sulfate:bit_15_assessment = "Bad" ; qc_sulfate:bit_16_description = "Turbo pump speed less than turbo_speed_min" ; qc_sulfate:bit_16_assessment = "Bad" ; qc_sulfate:bit_17_description = "Heater bias voltage less than heater_bias_min" ; qc_sulfate:bit_17_assessment = "Bad" ; float ammonium_predicted(time) ; ammonium_predicted:long_name = "Mass concentration of ammonium predicted for neutralization." ; ammonium_predicted:units = "ug/m^3" ; ammonium_predicted:comment = "Amount of ammonium that would balance the observed nitrate, sulfate, and chloride ions based on stoichiometric weighting" ; ammonium_predicted:computation = "ammonium_predicted = 18*(NO3/62 + 2*SO4/96 + Cl/35.5)" ; ammonium_predicted:interpretation = "In general, predicted ammonium should be >= measured ammonium. Poor correlation between measured and predicted (with measured < predicted) implies non-neutralized aerosol, not uncommon with high sulfate. Good correlation but slope different from one might suggest calibration problems." ; ammonium_predicted:valid_min = 0.5f ; ammonium_predicted:valid_max = 20.f ; ammonium_predicted:missing_value = -9999.f ; ammonium_predicted:source = "houaosacsmtofspecS3.b1:ammonium_predicted" ; float acsm_vol_conc(time) ; acsm_vol_conc:long_name = "ACSM volume concentration" ; acsm_vol_conc:units = "cm^3/m^3" ; acsm_vol_conc:computation = "acsm_vol_conc = 1e-6*(NH4/1.77 + NO3/1.72 + SO4/1.77 + Cl/1.53 + total/1.2)" ; acsm_vol_conc:missing_value = -9999.f ; acsm_vol_conc:ancillary_variables = "qc_acsm_vol_conc" ; acsm_vol_conc:source = "houaosacsmtofspecS3.b1:acsm_vol_conc" ; int qc_acsm_vol_conc(time) ; qc_acsm_vol_conc:long_name = "Quality check results on variable: ACSM volume concentration" ; qc_acsm_vol_conc:units = "1" ; qc_acsm_vol_conc:standard_name = "quality_flag" ; qc_acsm_vol_conc:description = "This variable 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_acsm_vol_conc:flag_method = "bit" ; qc_acsm_vol_conc:bit_1_description = "Value is equal to missing_value" ; qc_acsm_vol_conc:bit_1_assessment = "Bad" ; qc_acsm_vol_conc:bit_2_description = "acsm_vol_conc failed quality check" ; qc_acsm_vol_conc:bit_2_assessment = "Bad" ; float CDCE(time) ; CDCE:long_name = "Composition dependent collection efficiency" ; CDCE:units = "1" ; CDCE:missing_value = -9999.f ; CDCE:ancillary_variables = "qc_CDCE" ; int qc_CDCE(time) ; qc_CDCE:long_name = "Quality check results on variable: Composition dependent collection efficiency" ; qc_CDCE:units = "1" ; qc_CDCE:standard_name = "quality_flag" ; qc_CDCE:description = "This variable 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_CDCE:flag_method = "bit" ; qc_CDCE:bit_1_description = "measured NH4 to NH4 needed for full neutralization < 0" ; qc_CDCE:bit_1_assessment = "Indeterminate" ; qc_CDCE:bit_2_description = "ammonium nitrate mass fraction < 0" ; qc_CDCE:bit_2_assessment = "Indeterminate" ; qc_CDCE:bit_3_description = "ammonium nitrate mass fraction > 1" ; qc_CDCE:bit_3_assessment = "Indeterminate" ; qc_CDCE:bit_4_description = "predicted ammonium below instrument limit of detection" ; qc_CDCE:bit_4_assessment = "Indeterminate" ; float CDCE_equation(time) ; CDCE_equation:long_name = "Equation used to calculate the composition dependent collection efficiency following Middlebrook et al 2012." ; CDCE_equation:units = "1" ; CDCE_equation:comment = "1 = predicted NH4 below instrument LOD. Assume CE = 0.5; 2 = Middlebrook Equation 4; 3 = Middlebrook equation 6" ; CDCE_equation:missing_value = -9999.f ; float total_organics_CDCE(time) ; total_organics_CDCE:long_name = "Mass concentration of total organics corrected for the CDCE, ambient aerosol in air" ; total_organics_CDCE:units = "ug/m^3" ; total_organics_CDCE:missing_value = -9999.f ; total_organics_CDCE:ancillary_variables = "qc_total_organics_CDCE" ; int qc_total_organics_CDCE(time) ; qc_total_organics_CDCE:long_name = "Quality check results on variable: Mass concentration of total organics corrected for the CDCE, ambient aerosol in air" ; qc_total_organics_CDCE:units = "1" ; qc_total_organics_CDCE:standard_name = "quality_flag" ; qc_total_organics_CDCE:description = "This variable 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_organics_CDCE:flag_method = "bit" ; qc_total_organics_CDCE:bit_1_description = "qc_CDCE has Indeterminate assessment" ; qc_total_organics_CDCE:bit_1_assessment = "Indeterminate" ; qc_total_organics_CDCE:bit_2_description = "qc_total_organics has Bad assessment" ; qc_total_organics_CDCE:bit_2_assessment = "Bad" ; qc_total_organics_CDCE:bit_3_description = "qc_total_organics has Indeterminate assessment" ; qc_total_organics_CDCE:bit_3_assessment = "Indeterminate" ; float ammonium_CDCE(time) ; ammonium_CDCE:long_name = "Mass concentration of ammonium corrected for the CDCE, ambient aerosol in air" ; ammonium_CDCE:units = "ug/m^3" ; ammonium_CDCE:missing_value = -9999.f ; ammonium_CDCE:ancillary_variables = "qc_ammonium_CDCE" ; int qc_ammonium_CDCE(time) ; qc_ammonium_CDCE:long_name = "Quality check results on variable: Mass concentration of ammonium corrected for the CDCE, ambient aerosol in air" ; qc_ammonium_CDCE:units = "1" ; qc_ammonium_CDCE:standard_name = "quality_flag" ; qc_ammonium_CDCE:description = "This variable 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_ammonium_CDCE:flag_method = "bit" ; qc_ammonium_CDCE:bit_1_description = "qc_CDCE has Indeterminate assessment" ; qc_ammonium_CDCE:bit_1_assessment = "Indeterminate" ; qc_ammonium_CDCE:bit_2_description = "qc_ammonium has Bad assessment" ; qc_ammonium_CDCE:bit_2_assessment = "Bad" ; qc_ammonium_CDCE:bit_3_description = "qc_ammonium has Indeterminate assessment" ; qc_ammonium_CDCE:bit_3_assessment = "Indeterminate" ; float sulfate_CDCE(time) ; sulfate_CDCE:long_name = "Mass concentration of sulfate corrected for the CDCE, ambient aerosol in air" ; sulfate_CDCE:units = "ug/m^3" ; sulfate_CDCE:missing_value = -9999.f ; sulfate_CDCE:ancillary_variables = "qc_sulfate_CDCE" ; int qc_sulfate_CDCE(time) ; qc_sulfate_CDCE:long_name = "Quality check results on variable: Mass concentration of sulfate corrected for the CDCE, ambient aerosol in air" ; qc_sulfate_CDCE:units = "1" ; qc_sulfate_CDCE:standard_name = "quality_flag" ; qc_sulfate_CDCE:description = "This variable 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_sulfate_CDCE:flag_method = "bit" ; qc_sulfate_CDCE:bit_1_description = "qc_CDCE has Indeterminate assessment" ; qc_sulfate_CDCE:bit_1_assessment = "Indeterminate" ; qc_sulfate_CDCE:bit_2_description = "qc_sulfate has Bad assessment" ; qc_sulfate_CDCE:bit_2_assessment = "Bad" ; qc_sulfate_CDCE:bit_3_description = "qc_sulfate has Indeterminate assessment" ; qc_sulfate_CDCE:bit_3_assessment = "Indeterminate" ; float nitrate_CDCE(time) ; nitrate_CDCE:long_name = "Mass concentration of nitrate corrected for the CDCE, ambient aerosol in air" ; nitrate_CDCE:units = "ug/m^3" ; nitrate_CDCE:missing_value = -9999.f ; nitrate_CDCE:ancillary_variables = "qc_nitrate_CDCE" ; int qc_nitrate_CDCE(time) ; qc_nitrate_CDCE:long_name = "Quality check results on variable: Mass concentration of nitrate corrected for the CDCE, ambient aerosol in air" ; qc_nitrate_CDCE:units = "1" ; qc_nitrate_CDCE:standard_name = "quality_flag" ; qc_nitrate_CDCE:description = "This variable 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_nitrate_CDCE:flag_method = "bit" ; qc_nitrate_CDCE:bit_1_description = "qc_CDCE has Indeterminate assessment" ; qc_nitrate_CDCE:bit_1_assessment = "Indeterminate" ; qc_nitrate_CDCE:bit_2_description = "qc_nitrate has Bad assessment" ; qc_nitrate_CDCE:bit_2_assessment = "Bad" ; qc_nitrate_CDCE:bit_3_description = "qc_nitrate has Indeterminate assessment" ; qc_nitrate_CDCE:bit_3_assessment = "Indeterminate" ; float chloride_CDCE(time) ; chloride_CDCE:long_name = "Mass concentration of chloride corrected for the CDCE, ambient aerosol in air" ; chloride_CDCE:units = "ug/m^3" ; chloride_CDCE:missing_value = -9999.f ; chloride_CDCE:ancillary_variables = "qc_chloride_CDCE" ; int qc_chloride_CDCE(time) ; qc_chloride_CDCE:long_name = "Quality check results on variable: Mass concentration of chloride corrected for the CDCE, ambient aerosol in air" ; qc_chloride_CDCE:units = "1" ; qc_chloride_CDCE:standard_name = "quality_flag" ; qc_chloride_CDCE:description = "This variable 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_chloride_CDCE:flag_method = "bit" ; qc_chloride_CDCE:bit_1_description = "qc_CDCE has Indeterminate assessment" ; qc_chloride_CDCE:bit_1_assessment = "Indeterminate" ; qc_chloride_CDCE:bit_2_description = "qc_chloride has Bad assessment" ; qc_chloride_CDCE:bit_2_assessment = "Bad" ; qc_chloride_CDCE:bit_3_description = "qc_chloride has Indeterminate assessment" ; qc_chloride_CDCE:bit_3_assessment = "Indeterminate" ; float acsm_vol_conc_CDCE(time) ; acsm_vol_conc_CDCE:long_name = "ACSM volume concentration corrected for the CDCE, ambient aerosol in air" ; acsm_vol_conc_CDCE:units = "cm^3/m^3" ; acsm_vol_conc_CDCE:comment = "The calculation assumes the following densities (units of g/cm^3); org = 1.2; SO4 = 1.77; NO3 = 1.72; NH4 = 1.77; Chl = 1.53." ; acsm_vol_conc_CDCE:missing_value = -9999.f ; acsm_vol_conc_CDCE:ancillary_variables = "qc_acsm_vol_conc_CDCE" ; int qc_acsm_vol_conc_CDCE(time) ; qc_acsm_vol_conc_CDCE:long_name = "Quality check results on variable: ACSM volume concentration corrected for the CDCE, ambient aerosol in air" ; qc_acsm_vol_conc_CDCE:units = "1" ; qc_acsm_vol_conc_CDCE:standard_name = "quality_flag" ; qc_acsm_vol_conc_CDCE:description = "This variable 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_acsm_vol_conc_CDCE:flag_method = "bit" ; qc_acsm_vol_conc_CDCE:bit_1_description = "qc_CDCE has Indeterminate assessment" ; qc_acsm_vol_conc_CDCE:bit_1_assessment = "Indeterminate" ; qc_acsm_vol_conc_CDCE:bit_2_description = "qc_acsm_vol_conc has Bad assessment" ; qc_acsm_vol_conc_CDCE:bit_2_assessment = "Bad" ; qc_acsm_vol_conc_CDCE:bit_3_description = "qc_acsm_vol_conc has Indeterminate assessment" ; qc_acsm_vol_conc_CDCE:bit_3_assessment = "Indeterminate" ; float airbeam_normalization_factor(time) ; airbeam_normalization_factor:long_name = "Airbeam normalization factor" ; airbeam_normalization_factor:units = "1" ; airbeam_normalization_factor:comment = "Accounts for changes in system sensitivity by normalizing by the N2 signal in filtered air." ; airbeam_normalization_factor:computation = "airbeam_normalization_factor = ABref / AB_total" ; airbeam_normalization_factor:missing_value = -9999.f ; airbeam_normalization_factor:source = "houaosacsmtofspecS3.b1:airbeam_normalization_factor" ; float CE(time) ; CE:long_name = "Collection efficiency used in raw mass calculation" ; CE:units = "1" ; CE:missing_value = -9999.f ; CE:source = "houaosacsmtofspecS3.b1:CE" ; float IE_ionspg(time) ; IE_ionspg:long_name = "Nitrate ionization efficiency used in raw mass in calculations" ; IE_ionspg:units = "1/pg" ; IE_ionspg:missing_value = -9999.f ; IE_ionspg:source = "houaosacsmtofspecS3.b1:IE_ionspg" ; float ABref(time) ; ABref:long_name = "Airbeam reference level" ; ABref:units = "count/s" ; ABref:missing_value = -9999.f ; ABref:source = "houaosacsmtofspecS3.b1:ABref" ; float AB_total(time) ; AB_total:long_name = "Airbeam measurement, total" ; AB_total:units = "count/s" ; AB_total:missing_value = -9999.f ; AB_total:source = "houaosacsmtofspecS3.b1:AB_total" ; float AB_bg(time) ; AB_bg:long_name = "Airbeam background measurement" ; AB_bg:units = "count/s" ; AB_bg:missing_value = -9999.f ; AB_bg:source = "houaosacsmtofspecS3.b1:AB_bg" ; float flow_ccs(time) ; flow_ccs:long_name = "Inlet flow rate" ; flow_ccs:units = "cm^3/s" ; flow_ccs:missing_value = -9999.f ; flow_ccs:source = "houaosacsmtofspecS3.b1:flow_ccs" ; float lat ; lat:long_name = "North latitude" ; lat:units = "degree_N" ; lat:standard_name = "latitude" ; lat:valid_min = -90.f ; lat:valid_max = 90.f ; lat:missing_value = -9999.f ; float lon ; lon:long_name = "East longitude" ; lon:units = "degree_E" ; lon:standard_name = "longitude" ; lon:valid_min = -180.f ; lon:valid_max = 180.f ; lon:missing_value = -9999.f ; float alt ; alt:long_name = "Altitude above mean sea level" ; alt:units = "m" ; alt:standard_name = "altitude" ; alt:missing_value = -9999.f ; // global attributes: :command_line = "acsmcdce -s hou -f S3 -b 20220928 -e 20220929 -n acsmtofcdce -R" ; :Conventions = "ARM-1.3" ; :process_version = "acsmcdce-2.1.0" ; :dod_version = "acsmtofcdce-c1-1.0" ; :input_datastreams = "houaosacsmtofspecS3.b1 : 1.0 : 20220927.000320-20220928.000325" ; :site_id = "hou" ; :platform_id = "acsmtofcdce" ; :facility_id = "S3" ; :data_level = "c1" ; :location_description = "Tracking Aerosol Convection Interactions Experiment (TRACER), Damon, Texas" ; :datastream = "houacsmtofcdceS3.c1" ; :averaging_interval = "10 minutes" ; :averaging_interval_comment = "The average at time t refers to data collected during the previous averaging interval." ; :ACSM = "Aerosol Chemical Speciation Monitor TOF" ; :doi = "10.5439/1878136" ; :history = "created by user dsmgr on machine prod-proc4.adc.arm.gov at 2023-05-25 20:35:08, using acsmcdce-2.1.0" ; }