netcdf sgpaafcdpU2.a1.20240527.143119 { dimensions: time = UNLIMITED ; // (13201 currently) particle_size_bin = 30 ; interparticle_time_bin = 28 ; bound = 2 ; variables: int base_time ; base_time:string = "2024-05-27 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 2024-05-27 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 2024-05-27 00:00:00 0:00" ; time:standard_name = "time" ; float particle_size_bin(particle_size_bin) ; particle_size_bin:long_name = "Bin by median particle size" ; particle_size_bin:units = "um" ; particle_size_bin:bounds = "particle_size_bin_bounds" ; float particle_size_bin_bounds(particle_size_bin, bound) ; particle_size_bin_bounds:long_name = "Particle size bin bounds" ; particle_size_bin_bounds:units = "um" ; int interparticle_time_bin(interparticle_time_bin) ; interparticle_time_bin:long_name = "Bin by particle arrival time, end of bin" ; interparticle_time_bin:units = "ms" ; interparticle_time_bin:bounds = "interparticle_time_bin_bounds" ; int interparticle_time_bin_bounds(interparticle_time_bin, bound) ; interparticle_time_bin_bounds:long_name = "Particle arrival time bin bounds" ; interparticle_time_bin_bounds:units = "ms" ; int particle_size_distribution(time, particle_size_bin) ; particle_size_distribution:long_name = "Particle size distribution" ; particle_size_distribution:units = "count" ; particle_size_distribution:missing_value = -9999 ; float concentration(time) ; concentration:long_name = "Particle number concentration from CDP" ; concentration:units = "count/cm^3" ; concentration:missing_value = -9999.f ; float median_volume_diameter(time) ; median_volume_diameter:long_name = "Median volume diameter" ; median_volume_diameter:units = "um" ; median_volume_diameter:missing_value = -9999.f ; float effective_diameter(time) ; effective_diameter:long_name = "Effective diameter of droplets" ; effective_diameter:units = "um" ; effective_diameter:missing_value = -9999.f ; int ipt_distribution(time, interparticle_time_bin) ; ipt_distribution:long_name = "Distribution of time between particle arrivals (IPT, Inter-Particle Time)" ; ipt_distribution:units = "count" ; ipt_distribution:missing_value = -9999 ; float interparticle_time_mean(time) ; interparticle_time_mean:long_name = "Mean of time between particle arrivals, observed by PBP" ; interparticle_time_mean:units = "ms" ; interparticle_time_mean:missing_value = -9999.f ; float interparticle_time_std(time) ; interparticle_time_std:long_name = "Standard deviation of mean of inter-particle times, observed by PBP" ; interparticle_time_std:units = "ms" ; interparticle_time_std:missing_value = -9999.f ; float transit_time(time) ; transit_time:long_name = "Transit time of particle across laser, averaged over 128 particles" ; transit_time:units = "us" ; transit_time:missing_value = -9999.f ; float lwc(time) ; lwc:long_name = "Liquid water content" ; lwc:units = "g/m^3" ; lwc:missing_value = -9999.f ; float sample_flow(time) ; sample_flow:long_name = "Calculated sample flow rate" ; sample_flow:units = "cm^3/min" ; sample_flow:comment = "sample_area * probe_air_speed, with appropriate unit conversions" ; sample_flow:missing_value = -9999.f ; float sample_area ; sample_area:long_name = "Physical sample area of probe" ; sample_area:units = "mm^2" ; sample_area:missing_value = -9999.f ; float probe_air_speed(time) ; probe_air_speed:long_name = "Applied air speed of probe" ; probe_air_speed:units = "m/s" ; probe_air_speed:missing_value = -9999.f ; int DOF_reject_count(time) ; DOF_reject_count:long_name = "Count of particles rejected as outside depth of field" ; DOF_reject_count:units = "count" ; DOF_reject_count:missing_value = -9999 ; int oversize_reject_count(time) ; oversize_reject_count:long_name = "Count of particles rejected as oversized" ; oversize_reject_count:units = "count" ; oversize_reject_count:missing_value = -9999 ; int sizer_DT_bandwidth(time) ; sizer_DT_bandwidth:long_name = "Dynamic Threshold feature\'s width of the noise band" ; sizer_DT_bandwidth:units = "1" ; sizer_DT_bandwidth:missing_value = -9999 ; int sizer_DT_threshold(time) ; sizer_DT_threshold:long_name = "Dynamic Threshold feature\'s upper bound of bandwidth" ; sizer_DT_threshold:units = "1" ; sizer_DT_threshold:missing_value = -9999 ; float sizer_baseline(time) ; sizer_baseline:long_name = "Voltage output of sizer detector" ; sizer_baseline:units = "V" ; sizer_baseline:comment = "0.2–0.5 V when no particles are present." ; sizer_baseline:missing_value = -9999.f ; float qualifier_baseline(time) ; qualifier_baseline:long_name = "Voltage output of qualifier detector" ; qualifier_baseline:units = "V" ; qualifier_baseline:comment = "0.2–0.5 V when no particles are present." ; qualifier_baseline:missing_value = -9999.f ; float dump_spot_monitor(time) ; dump_spot_monitor:long_name = "Voltage reading of unobstructed laser light, averaged over sampling interval" ; dump_spot_monitor:units = "V" ; dump_spot_monitor:missing_value = -9999.f ; float control_system_power(time) ; control_system_power:long_name = "Control system power 5-volt reference." ; control_system_power:units = "V" ; control_system_power:missing_value = -9999.f ; control_system_power:comment = "Normal is 5V +/- 0.2V" ; float laser_current(time) ; laser_current:long_name = "Laser current" ; laser_current:units = "mA" ; laser_current:missing_value = -9999.f ; float laser_temperature(time) ; laser_temperature:long_name = "Temperature at laser heat sink" ; laser_temperature:units = "degC" ; laser_temperature:missing_value = -9999.f ; float wingboard_temperature(time) ; wingboard_temperature:long_name = "Temperature at CDP\'s signal and power distribution board (average temperature of probe body)" ; wingboard_temperature:units = "degC" ; wingboard_temperature:missing_value = -9999.f ; float controlboard_temperature(time) ; controlboard_temperature:long_name = "Temperature at sensor on digital board" ; controlboard_temperature:units = "degC" ; controlboard_temperature:missing_value = -9999.f ; int communications_status(time) ; communications_status:long_name = "Status of communications between CDP and PADS" ; communications_status:units = "1" ; communications_status:missing_value = -9999 ; communications_status:flag_values = 1, -1, -2, -3, -4, -5, -6, -7, -8, -9, -10 ; communications_status:flag_meanings = "good_communications broken_connection_for_1_second broken_connection_for_2_seconds broken_connection_for_3_seconds broken_connection_for_4_seconds broken_connection_for_5_seconds broken_connection_for_6_seconds broken_connection_for_7_seconds broken_connection_for_8_seconds broken_connection_for_9_seconds broken_connection_for_10_or_more_seconds" ; 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" ; lat:missing_value = -9999.f ; 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" ; 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 = "aafcdp_ingest -s sgp -f U2" ; :Conventions = "ARM-1.3" ; :process_version = "ingest-aafcdp-1.0-0.el7" ; :dod_version = "aafcdp-a1-1.1" ; :input_source = "/data/collection/sgp/sgpaafcdpU2.00/00CDP_PBP20240527143118.csv" ; :site_id = "sgp" ; :platform_id = "aafcdp" ; :facility_id = "U2" ; :data_level = "a1" ; :location_description = "Southern Great Plains (SGP), ArcticShark Unmanned Aerial System" ; :datastream = "sgpaafcdpU2.a1" ; :doi = "10.5439/1561461" ; :history = "created by user dsmgr on machine prod-proc2.adc.arm.gov at 2024-05-28 14:34:00, using ingest-aafcdp-1.0-0.el7" ; }