netcdf enaaafsp2rbc10sF1.c1.20180218.122900 { dimensions: time = UNLIMITED ; // (1514 currently) diameter_geo = 200 ; bound = 2 ; variables: int base_time ; base_time:string = "2018-02-18 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 2018-02-18 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 2018-02-18 00:00:00 0:00" ; time:bounds = "time_bounds" ; time:calendar = "gregorian" ; time:standard_name = "time" ; double time_bounds(time, bound) ; time_bounds:long_name = "Time cell bounds" ; time_bounds:bound_offsets = 0., 10. ; float diameter_geo(diameter_geo) ; diameter_geo:long_name = "Mean volume-equivalent geometric diameter" ; diameter_geo:units = "um" ; diameter_geo:assumed_density = "rBC = 1.8 g/cc\n", "pure scattering, assumed sulfate = 1.8 g/cc" ; diameter_geo:bounds = "diameter_geo_bounds" ; float diameter_geo_bounds(diameter_geo, bound) ; diameter_geo_bounds:long_name = "Mean volume-equivalent geometric diameter cell bounds" ; diameter_geo_bounds:units = "um" ; float rBC(time) ; rBC:long_name = "Refractory black carbon concentration" ; rBC:units = "ng / m^3" ; rBC:ancillary_variables = "qc_rBC" ; rBC:valid_min = 0.f ; rBC:valid_max = 35000.f ; rBC:missing_value = -9999.f ; rBC:cell_methods = "time: mean" ; rBC:reference_conditions = "corrected to STP corresponding to 0 deg C, 1013.25 hPa" ; int qc_rBC(time) ; qc_rBC:long_name = "Quality check results on field: Refractory black carbon concentration" ; qc_rBC:units = "unitless" ; qc_rBC: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_rBC:rBC_min_warning = 0.02f ; qc_rBC:rBC_min_alarm = 0.005f ; qc_rBC:flag_method = "bit" ; qc_rBC:bit_1_description = "Value is equal to missing_value" ; qc_rBC:bit_1_assessment = "Bad" ; qc_rBC:bit_2_description = "Value is less than the valid_min" ; qc_rBC:bit_2_assessment = "Bad" ; qc_rBC:bit_3_description = "Value is greater than the valid_max" ; qc_rBC:bit_3_assessment = "Bad" ; qc_rBC:bit_4_description = "Value is less than rBC_min_warning" ; qc_rBC:bit_4_assessment = "Indeterminate" ; qc_rBC:bit_5_description = "Value is less than rBC_min_alarm" ; qc_rBC:bit_5_assessment = "Bad" ; float N_dN_rBC(time, diameter_geo) ; N_dN_rBC:long_name = "Number density of particles containing refractory black carbon" ; N_dN_rBC:units = "count / cm^3" ; N_dN_rBC:comment = "dN/dLogDp" ; N_dN_rBC:missing_value = -9999.f ; N_dN_rBC:cell_methods = "time: mean" ; N_dN_rBC:reference_conditions = "corrected to STP corresponding to 0 deg C, 1013.25 hPa" ; float lat(time) ; lat:long_name = "North latitude" ; lat:units = "degree_N" ; lat:valid_min = -90.f ; lat:valid_max = 90.f ; lat:missing_value = -9999.f ; lat:standard_name = "latitude" ; float lon(time) ; lon:long_name = "East longitude" ; lon:units = "degree_E" ; lon:valid_min = -180.f ; lon:valid_max = 180.f ; lon:missing_value = -9999.f ; lon:standard_name = "longitude" ; float alt(time) ; alt:long_name = "Altitude above mean sea level" ; alt:units = "m" ; alt:missing_value = -9999.f ; alt:standard_name = "altitude" ; // global attributes: :command_line = "aafsp2rbcme_ingest -s ena -f F1 -b 20170623 -e 20170721 -DR" ; :Conventions = "ARM-1.2" ; :process_version = "ingest-aafsp2rbcme-1.0-0.el6" ; :dod_version = "aafsp2rbc10s-c1-1.0" ; :input_datastreams = "N/A" ; :site_id = "ena" ; :platform_id = "aafsp2rbc10s" ; :facility_id = "F1" ; :data_level = "c1" ; :location_description = "Eastern North Atlantic (ENA), Gulfstream 159 (\"G1\") Aircraft" ; :datastream = "enaaafsp2rbc10sF1.c1" ; :serial_number = "54" ; :averaging_interval = "10 sec" ; :uncertainty = "~ 30%" ; :mentor_info = "Art Sedlacek (sedlacek@bnl.gov)" ; :calibration = "Fullerene soot with variable mobility density. No correction for OC content in Fullerene (recent study on SP2 sensitivity to differing black carbon types reports that non-refractory material content for fullerene soot is about 20%)." ; :comment = "Bad data [e.g., site power loss or desiccant change] has been removed" ; :doi = "10.5439/1458760" ; :history = "created by user singh on machine amber at 2018-08-27 18:35:41, using ingest-aafsp2rbcme-1.0-0.el6" ; }