netcdf sgpaosacsmC1.b1.20161225.001314 { dimensions: time = UNLIMITED ; // (49 currently) amus = 121 ; bound = 2 ; variables: int base_time ; base_time:string = "2016-12-25 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 2016-12-25 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 2016-12-25 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 = -1800., 0. ; 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 = 0.f ; total_organics:valid_max = 100.f ; total_organics:missing_value = -9999.f ; total_organics:ancillary_variables = "qc_total_organics" ; int qc_total_organics(time) ; qc_total_organics:long_name = "Quality check results on field: Mass concentration of total organics, ambient aerosol in air" ; qc_total_organics:units = "unitless" ; qc_total_organics:description = "See global attributes for individual QC bit descriptions." ; float ammonium(time) ; ammonium:long_name = "Mass concentration of ammonium, ambient aerosol in air" ; ammonium:units = "ug/m^3" ; ammonium:valid_min = 0.f ; ammonium:valid_max = 20.f ; ammonium:missing_value = -9999.f ; ammonium:ancillary_variables = "qc_ammonium" ; int qc_ammonium(time) ; qc_ammonium:long_name = "Quality check results on field: Mass concentration of ammonium, ambient aerosol in air" ; qc_ammonium:units = "unitless" ; qc_ammonium:description = "See global attributes for individual QC bit descriptions." ; float sulfate(time) ; sulfate:long_name = "Mass concentration of sulfate, ambient aerosol in air" ; sulfate:units = "ug/m^3" ; sulfate:valid_min = 0.f ; sulfate:valid_max = 50.f ; sulfate:missing_value = -9999.f ; sulfate:ancillary_variables = "qc_sulfate" ; int qc_sulfate(time) ; qc_sulfate:long_name = "Quality check results on field: Mass concentration of sulfate, ambient aerosol in air" ; qc_sulfate:units = "unitless" ; qc_sulfate:description = "See global attributes for individual QC bit descriptions." ; float nitrate(time) ; nitrate:long_name = "Mass concentration of nitrate, ambient aerosol in air" ; nitrate:units = "ug/m^3" ; nitrate:valid_min = 0.f ; nitrate:valid_max = 50.f ; nitrate:missing_value = -9999.f ; nitrate:ancillary_variables = "qc_nitrate" ; int qc_nitrate(time) ; qc_nitrate:long_name = "Quality check results on field: Mass concentration of nitrate, ambient aerosol in air" ; qc_nitrate:units = "unitless" ; qc_nitrate:description = "See global attributes for individual QC bit descriptions." ; float chloride(time) ; chloride:long_name = "Mass concentration of chloride, ambient aerosol in air" ; chloride:units = "ug/m^3" ; chloride:valid_min = 0.f ; chloride:valid_max = 1.f ; chloride:missing_value = -9999.f ; chloride:ancillary_variables = "qc_chloride" ; int qc_chloride(time) ; qc_chloride:long_name = "Quality check results on field: Mass concentration of chloride, ambient aerosol in air" ; qc_chloride:units = "unitless" ; qc_chloride:description = "See global attributes for individual QC bit descriptions." ; int amus(amus) ; amus:long_name = "Mass number to charge number ratio of ion fragments (m/z)" ; amus:units = "unitless" ; float org_mx(time, amus) ; org_mx:long_name = "Organic mass spectral matrix" ; org_mx:units = "ug/m^3" ; org_mx:valid_min = -0.05f ; org_mx:valid_max = 1000.f ; org_mx:missing_value = -9999.f ; org_mx:ancillary_variables = "qc_org_mx" ; int qc_org_mx(time, amus) ; qc_org_mx:long_name = "Quality check results on field: Organic mass spectral matrix" ; qc_org_mx:units = "unitless" ; qc_org_mx:description = "See global attributes for individual QC bit descriptions." ; float org_mx_err(time, amus) ; org_mx_err:long_name = "Organic mass spectral error matrix" ; org_mx_err:units = "ug/m^3" ; org_mx_err:valid_min = 0.f ; org_mx_err:valid_max = 2.f ; org_mx_err:missing_value = -9999.f ; org_mx_err:ancillary_variables = "qc_org_mx_err" ; int qc_org_mx_err(time, amus) ; qc_org_mx_err:long_name = "Quality check results on field: Organic mass spectral error matrix" ; qc_org_mx_err:units = "unitless" ; qc_org_mx_err:description = "See global attributes for individual QC bit descriptions." ; 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 = "aosacsmcal_ingest -s sgp -f C1 -R -d" ; :Conventions = "ARM-1.1" ; :process_version = "ingest-aosacsmcal-1.2-1.el6" ; :dod_version = "aosacsm-b1-1.4" ; :input_source = "/data/collection/sgp/sgpaosacsmC1.01/20161225_time_series_species.txt" ; :site_id = "sgp" ; :platform_id = "aosacsm" ; :facility_id = "C1" ; :data_level = "b1" ; :location_description = "Southern Great Plains (SGP), Lamont, Oklahoma" ; :datastream = "sgpaosacsmC1.b1" ; :sampling_interval = "1 second" ; :averaging_interval = "30 minutes" ; :averaging_interval_comment_1 = "The average at time t refers to data collected during the previous averaging interval." ; :averaging_interval_comment_2 = "The averaging interval is nominally 30 minutes, and usually varies between 31 and 33 minutes." ; :ACSM = "Aerosol Chemical Speciation Monitor" ; :qc_bit_comment = "The QC field values are a bit packed representation of true/false values for the tests that may have been performed. A QC value of zero means that none of the tests performed on the value failed." ; :qc_bit_1_description = "Value is equal to missing_value." ; :qc_bit_1_assessment = "Bad" ; :qc_bit_2_description = "Value is less than the valid_min." ; :qc_bit_2_assessment = "Bad" ; :qc_bit_3_description = "Value is greater than the valid_max." ; :qc_bit_3_assessment = "Bad" ; :qc_bit_4_description = "Difference between current and previous values exceeds valid_delta." ; :qc_bit_4_assessment = "Indeterminate" ; :history = "created by user dsmgr on machine ruby at 2017-01-27 23:27:50, using ingest-aosacsmcal-1.2-1.el6" ; }