netcdf epcaoshtdmaM1.a1.20240214.000832 { dimensions: time = UNLIMITED ; // (125 currently) bin = 60 ; bound = 2 ; variables: int base_time ; base_time:string = "2024-02-14 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 2024-02-14 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 2024-02-14 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" ; float bin_center(time, bin) ; bin_center:long_name = "Bin center value" ; bin_center:units = "nm" ; bin_center:bounds = "bin_bounds" ; bin_center:missing_value = -9999.f ; float bin_bounds(time, bin, bound) ; bin_bounds:long_name = "Bin cell bounds" ; int dry_diameter_setting(time) ; dry_diameter_setting:long_name = "Dry aerosol diameter size instrument setting" ; dry_diameter_setting:units = "nm" ; dry_diameter_setting:missing_value = -9999 ; float dry_high_voltage(time) ; dry_high_voltage:long_name = "Dry high voltage set point" ; dry_high_voltage:units = "V" ; dry_high_voltage:missing_value = -9999.f ; float dry_sheath_flow(time) ; dry_sheath_flow:long_name = "Dry sheath flow" ; dry_sheath_flow:units = "L/min" ; dry_sheath_flow:missing_value = -9999.f ; float dry_pressure(time) ; dry_pressure:long_name = "Dry sample pressure" ; dry_pressure:units = "hPa" ; dry_pressure:missing_value = -9999.f ; float dry_temperature(time) ; dry_temperature:long_name = "Dry sample temperature" ; dry_temperature:units = "degC" ; dry_temperature:missing_value = -9999.f ; float dry_rh(time) ; dry_rh:long_name = "Dry aerosol particle relative humidity" ; dry_rh:units = "%" ; dry_rh:missing_value = -9999.f ; float humid_rh_setting(time) ; humid_rh_setting:long_name = "Relative humidity setpoint of the humidification system" ; humid_rh_setting:units = "%" ; humid_rh_setting:missing_value = -9999.f ; float scan_delay(time) ; scan_delay:long_name = "Delay between humid size scans" ; scan_delay:units = "s" ; scan_delay:missing_value = -9999.f ; float scan_min_diameter_setting(time) ; scan_min_diameter_setting:long_name = "Minimum aerosol particle diameter instrument setting" ; scan_min_diameter_setting:units = "nm" ; scan_min_diameter_setting:missing_value = -9999.f ; float scan_min_voltage(time) ; scan_min_voltage:long_name = "Minimum voltage of the humid size scan" ; scan_min_voltage:units = "V" ; scan_min_voltage:missing_value = -9999.f ; float scan_max_diameter_setting(time) ; scan_max_diameter_setting:long_name = "Maximum aerosol particle diameter instrument setting" ; scan_max_diameter_setting:units = "nm" ; scan_max_diameter_setting:missing_value = -9999.f ; float scan_max_voltage(time) ; scan_max_voltage:long_name = "Maximum voltage of the humid size scan" ; scan_max_voltage:units = "V" ; scan_max_voltage:missing_value = -9999.f ; float sheath_flow(time) ; sheath_flow:long_name = "Sheath flow rate" ; sheath_flow:units = "L/min" ; sheath_flow:missing_value = -9999.f ; float sample_flow(time) ; sample_flow:long_name = "Aerosol sample flow rate" ; sample_flow:units = "L/min" ; sample_flow:missing_value = -9999.f ; float pressure(time) ; pressure:long_name = "Sample pressure" ; pressure:units = "hPa" ; pressure:missing_value = -9999.f ; float temperature(time) ; temperature:long_name = "Sample temperature" ; temperature:units = "degC" ; temperature:missing_value = -9999.f ; float plumbing_delay(time) ; plumbing_delay:long_name = "Residence time (delay) between DMA instrument and particle detector" ; plumbing_delay:units = "s" ; plumbing_delay:missing_value = -9999.f ; int scan_time_setting(time) ; scan_time_setting:long_name = "Humidified DMA scanning time instrument setting" ; scan_time_setting:units = "s" ; scan_time_setting:missing_value = -9999 ; int num_bins(time) ; num_bins:long_name = "Number of distribution bins" ; num_bins:units = "1" ; num_bins:missing_value = -9999 ; int scan_type(time) ; scan_type:long_name = "Sampling mode scan type" ; scan_type:units = "1" ; scan_type:flag_values = 0, 1, 2 ; scan_type:flag_meanings = "down up both" ; scan_type:missing_value = -9999 ; int atomizer(time) ; atomizer:long_name = "Atomizer calibration status" ; atomizer:units = "1" ; atomizer:flag_values = 0, 1 ; atomizer:flag_meanings = "off on" ; atomizer:missing_value = -9999 ; float sample_flow_avg(time) ; sample_flow_avg:long_name = "Internal MCPC sample flow set point" ; sample_flow_avg:units = "L/min" ; sample_flow_avg:missing_value = -9999.f ; sample_flow_avg:ancillary_variables = "sample_flow_std" ; sample_flow_avg:cell_methods = "time: mean" ; float sample_flow_std(time) ; sample_flow_std:long_name = "Standard deviation of the internal MCPC sample flow set point" ; sample_flow_std:units = "L/min" ; sample_flow_std:missing_value = -9999.f ; sample_flow_std:comment = "Measurement is not implemented by the instrument. Values should be 0" ; sample_flow_std:cell_methods = "time: standard_deviation" ; float humid_sample_flow_avg(time) ; humid_sample_flow_avg:long_name = "Average sample flow through the humidifier during humid scan" ; humid_sample_flow_avg:units = "L/min" ; humid_sample_flow_avg:missing_value = -9999.f ; humid_sample_flow_avg:ancillary_variables = "humid_sample_flow_std" ; humid_sample_flow_avg:cell_methods = "time: mean" ; float humid_sample_flow_std(time) ; humid_sample_flow_std:long_name = "Standard deviation of the sample flow through the humidifier during humid scan" ; humid_sample_flow_std:units = "L/min" ; humid_sample_flow_std:missing_value = -9999.f ; humid_sample_flow_std:cell_methods = "time: standard_deviation" ; float humid_sheath_flow_avg(time) ; humid_sheath_flow_avg:long_name = "Average sheath flow in DMA2 (HSEMS) during humid scan" ; humid_sheath_flow_avg:units = "L/min" ; humid_sheath_flow_avg:missing_value = -9999.f ; humid_sheath_flow_avg:ancillary_variables = "humid_sheath_flow_std" ; humid_sheath_flow_avg:cell_methods = "time: mean" ; float humid_sheath_flow_std(time) ; humid_sheath_flow_std:long_name = "Standard deviation of the sheath flow in DMA2 (HSEMS) during humid scan" ; humid_sheath_flow_std:units = "L/min" ; humid_sheath_flow_std:missing_value = -9999.f ; humid_sheath_flow_std:cell_methods = "time: standard_deviation" ; float excess_flow_avg(time) ; excess_flow_avg:long_name = "Average excess sheath flow in DMA2 (HSEMS) during humid scan" ; excess_flow_avg:units = "L/min" ; excess_flow_avg:missing_value = -9999.f ; excess_flow_avg:ancillary_variables = "excess_flow_std" ; excess_flow_avg:cell_methods = "time: mean" ; float excess_flow_std(time) ; excess_flow_std:long_name = "Standard deviation of the excess sheath flow in DMA2 (HSEMS) during humid scan" ; excess_flow_std:units = "L/min" ; excess_flow_std:missing_value = -9999.f ; excess_flow_std:cell_methods = "time: standard_deviation" ; float sample_bypass_flow_avg(time) ; sample_bypass_flow_avg:long_name = "Average sample bypass flow during humid scan" ; sample_bypass_flow_avg:units = "L/min" ; sample_bypass_flow_avg:missing_value = -9999.f ; sample_bypass_flow_avg:ancillary_variables = "sample_bypass_flow_std" ; sample_bypass_flow_avg:cell_methods = "time: mean" ; float sample_bypass_flow_std(time) ; sample_bypass_flow_std:long_name = "Standard deviation of the sample bypass flow during humid scan" ; sample_bypass_flow_std:units = "L/min" ; sample_bypass_flow_std:missing_value = -9999.f ; sample_bypass_flow_std:cell_methods = "time: standard_deviation" ; float fine_adjust(time) ; fine_adjust:long_name = "Fine adjustment factor for DMA voltage" ; fine_adjust:units = "1" ; fine_adjust:missing_value = -9999.f ; float upstream_sample_flow_avg(time) ; upstream_sample_flow_avg:long_name = "Average sample flow in DMA1 (SEMS) during humid scan" ; upstream_sample_flow_avg:units = "L/min" ; upstream_sample_flow_avg:missing_value = -9999.f ; upstream_sample_flow_avg:ancillary_variables = "upstream_sample_flow_std" ; upstream_sample_flow_avg:cell_methods = "time: mean" ; float upstream_sample_flow_std(time) ; upstream_sample_flow_std:long_name = "Standard deviation of the sample flow in DMA1 (SEMS) during humid scan" ; upstream_sample_flow_std:units = "L/min" ; upstream_sample_flow_std:missing_value = -9999.f ; upstream_sample_flow_std:cell_methods = "time: standard_deviation" ; float upstream_sheath_flow_avg(time) ; upstream_sheath_flow_avg:long_name = "Average sheath flow in DMA1 (SEMS) during humid scan" ; upstream_sheath_flow_avg:units = "L/min" ; upstream_sheath_flow_avg:missing_value = -9999.f ; upstream_sheath_flow_avg:ancillary_variables = "upstream_sheath_flow_std" ; upstream_sheath_flow_avg:cell_methods = "time: mean" ; float upstream_sheath_flow_std(time) ; upstream_sheath_flow_std:long_name = "Standard deviation of the sheath flow in DMA1 (SEMS) during humid scan" ; upstream_sheath_flow_std:units = "L/min" ; upstream_sheath_flow_std:missing_value = -9999.f ; upstream_sheath_flow_std:cell_methods = "time: standard_deviation" ; float upstream_excess_flow_avg(time) ; upstream_excess_flow_avg:long_name = "Average excess sheath flow in DMA1 (SEMS) during humid scan" ; upstream_excess_flow_avg:units = "L/min" ; upstream_excess_flow_avg:missing_value = -9999.f ; upstream_excess_flow_avg:ancillary_variables = "upstream_excess_flow_std" ; upstream_excess_flow_avg:cell_methods = "time: mean" ; float upstream_excess_flow_std(time) ; upstream_excess_flow_std:long_name = "Standard deviation of the excess sheath flow in DMA1 (SEMS) during humid scan" ; upstream_excess_flow_std:units = "L/min" ; upstream_excess_flow_std:missing_value = -9999.f ; upstream_excess_flow_std:cell_methods = "time: standard_deviation" ; float dma_rh_avg(time) ; dma_rh_avg:long_name = "Average relative humidity in DMA2 (HSEMS) during humid scan" ; dma_rh_avg:units = "%" ; dma_rh_avg:missing_value = -9999.f ; dma_rh_avg:ancillary_variables = "dma_rh_std" ; dma_rh_avg:cell_methods = "time: mean" ; float dma_rh_std(time) ; dma_rh_std:long_name = "Standard deviation of the relative humidity in DMA2 (HSEMS) during humid scan" ; dma_rh_std:units = "%" ; dma_rh_std:missing_value = -9999.f ; dma_rh_std:cell_methods = "time: standard_deviation" ; float hd_rh_avg(time) ; hd_rh_avg:long_name = "Average relative humidity in the humidifier during humid scan" ; hd_rh_avg:units = "%" ; hd_rh_avg:missing_value = -9999.f ; hd_rh_avg:ancillary_variables = "hd_rh_std" ; hd_rh_avg:cell_methods = "time: mean" ; float hd_rh_std(time) ; hd_rh_std:long_name = "Standard deviation of the relative humidity in the humidifier during humid scan" ; hd_rh_std:units = "%" ; hd_rh_std:missing_value = -9999.f ; hd_rh_std:cell_methods = "time: standard_deviation" ; float pressure_avg(time) ; pressure_avg:long_name = "Average sample pressure in DMA2 (HSEMS) during humid scan" ; pressure_avg:units = "hPa" ; pressure_avg:missing_value = -9999.f ; pressure_avg:ancillary_variables = "pressure_std" ; pressure_avg:cell_methods = "time: mean" ; float pressure_std(time) ; pressure_std:long_name = "Standard deviation of the sample pressure in DMA2 (HSEMS) during humid scan" ; pressure_std:units = "hPa" ; pressure_std:missing_value = -9999.f ; pressure_std:cell_methods = "time: standard_deviation" ; float temperature_avg(time) ; temperature_avg:long_name = "Average sample temperature in DMA2 (HSEMS) during humid scan" ; temperature_avg:units = "degC" ; temperature_avg:missing_value = -9999.f ; temperature_avg:ancillary_variables = "temperature_std" ; temperature_avg:cell_methods = "time: mean" ; float temperature_std(time) ; temperature_std:long_name = "Standard deviation of the sample temperature in DMA2 (HSEMS) during humid scan" ; temperature_std:units = "degC" ; temperature_std:missing_value = -9999.f ; temperature_std:cell_methods = "time: standard_deviation" ; float cpc_a_flow_avg(time) ; cpc_a_flow_avg:long_name = "Average internal MCPC sample flow during humid scan" ; cpc_a_flow_avg:units = "L/min" ; cpc_a_flow_avg:missing_value = -9999.f ; cpc_a_flow_avg:ancillary_variables = "cpc_a_flow_std" ; cpc_a_flow_avg:cell_methods = "time: mean" ; float cpc_a_flow_std(time) ; cpc_a_flow_std:long_name = "Standard deviation of the internal MCPC sample flow during humid scan" ; cpc_a_flow_std:units = "L/min" ; cpc_a_flow_std:missing_value = -9999.f ; cpc_a_flow_std:cell_methods = "time: standard_deviation" ; float cpc_b_flow_avg(time) ; cpc_b_flow_avg:long_name = "Average external MCPC sample flow during humid scan" ; cpc_b_flow_avg:units = "L/min" ; cpc_b_flow_avg:missing_value = -9999.f ; cpc_b_flow_avg:ancillary_variables = "cpc_b_flow_std" ; cpc_b_flow_avg:cell_methods = "time: mean" ; float cpc_b_flow_std(time) ; cpc_b_flow_std:long_name = "Standard deviation of the external MCPC sample flow during humid scan" ; cpc_b_flow_std:units = "L/min" ; cpc_b_flow_std:missing_value = -9999.f ; cpc_b_flow_std:cell_methods = "time: standard_deviation" ; float cpc_b_avg(time) ; cpc_b_avg:long_name = "Average particle concentration measured by external MCPC during humid scan" ; cpc_b_avg:units = "1/cm^3" ; cpc_b_avg:missing_value = -9999.f ; cpc_b_avg:ancillary_variables = "cpc_b_std" ; cpc_b_avg:cell_methods = "time: mean" ; float cpc_b_std(time) ; cpc_b_std:long_name = "Standard deviation of the particle concentration measured by external MCPC during humid scan" ; cpc_b_std:units = "1/cm^3" ; cpc_b_std:missing_value = -9999.f ; cpc_b_std:cell_methods = "time: standard_deviation" ; float denuder_temperature_avg(time) ; denuder_temperature_avg:long_name = "Average denuder temperature during humid scan" ; denuder_temperature_avg:units = "degC" ; denuder_temperature_avg:missing_value = -9999.f ; denuder_temperature_avg:ancillary_variables = "denuder_temperature_std" ; denuder_temperature_avg:cell_methods = "time: mean" ; float denuder_temperature_std(time) ; denuder_temperature_std:long_name = "Standard deviation of the denuder temperature during humid scan" ; denuder_temperature_std:units = "degC" ; denuder_temperature_std:missing_value = -9999.f ; denuder_temperature_std:cell_methods = "time: standard_deviation" ; float denuder_temperature_set_point(time) ; denuder_temperature_set_point:long_name = "Denuder temperature set point" ; denuder_temperature_set_point:units = "degC" ; denuder_temperature_set_point:missing_value = -9999.f ; float denuder_bypass(time) ; denuder_bypass:long_name = "Denuder bypass" ; denuder_bypass:units = "1" ; denuder_bypass:missing_value = -9999.f ; denuder_bypass:comment = "Measurement is not implemented by the instrument. Values should be 0" ; float prehumidifier_rh(time) ; prehumidifier_rh:long_name = "Relative humidity in the prehumidifier" ; prehumidifier_rh:units = "%" ; prehumidifier_rh:missing_value = -9999.f ; float measure_ambient_particles(time) ; measure_ambient_particles:long_name = "Whether DMA2 (HSEMS) was set up to measure ambient particle size distribution" ; measure_ambient_particles:units = "1" ; measure_ambient_particles:missing_value = -9999.f ; float total_concentration(time) ; total_concentration:long_name = "Total scan concentration over all bins" ; total_concentration:units = "1/cm^3" ; total_concentration:missing_value = -9999.f ; float aerosol_concentration(time, bin) ; aerosol_concentration:long_name = "Concentration of aerosol" ; aerosol_concentration:units = "1/cm^3" ; aerosol_concentration:missing_value = -9999.f ; aerosol_concentration:standard_name = "number_concentration_of_ambient_aerosol_particles_in_air" ; 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 = "aoshtdma_ingest -s epc -f M1" ; :Conventions = "ARM-1.3" ; :process_version = "ingest-aoshtdma-3.1-0.el7" ; :dod_version = "aoshtdma-a1-5.0" ; :input_source = "/data/collection/epc/epcaoshtdmaM1.00/epcaosM1.htdma.05m.00.20240213.232445.raw.tsv" ; :site_id = "epc" ; :platform_id = "aoshtdma" ; :facility_id = "M1" ; :data_level = "a1" ; :location_description = "Eastern Pacific Cloud Aerosol Precipitation Experiment (EPCAPE), Scripps Pier, La Jolla, CA" ; :datastream = "epcaoshtdmaM1.a1" ; :doi = "10.5439/1095581" ; :history = "created by user dsmgr on machine prod-proc2.adc.arm.gov at 2024-02-14 02:30:00, using ingest-aoshtdma-3.1-0.el7" ; }