netcdf sgp10rlprofext1ferrC1.c0.20150925.000000 { dimensions: time = UNLIMITED ; // (144 currently) height_low = 540 ; height_high = 1000 ; variables: int base_time ; base_time:string = "25-Sep-2015,00:00:00 GMT" ; base_time:long_name = "Base time in Epoch" ; base_time:units = "seconds since 1970-1-1 0:00:00 0:00" ; double time_offset(time) ; time_offset:long_name = "Time offset from base_time" ; time_offset:units = "seconds since 2015-9-25 00:00:00 0:00" ; float height_low(height_low) ; height_low:long_name = "Height range of the low channel aerosol scattering ratio profile" ; height_low:units = "km AGL" ; height_low:comment = "Heights correspond to the middle of the bin" ; float height_high(height_high) ; height_high:long_name = "Height range of the high channel aerosol scattering ratio profile" ; height_high:units = "km AGL" ; height_high:comment = "Heights correspond to the middle of the bin" ; short mode(time) ; mode:long_name = "Mode of the dataset as defined by the filter arrangement of the lidar" ; mode:units = "unitless" ; mode:comment = "0=Indeterminate, 1=Normal or bright mode" ; float shots_summed(time) ; shots_summed:long_name = "Number of laser shots in the ensemble" ; shots_summed:units = "counts" ; float average_energy(time) ; average_energy:long_name = "Average laser energy of the ensemble shots" ; average_energy:units = "mJ" ; short tweaks(time) ; tweaks:long_name = "Flag denoting the occurrence of power or alignment tweaks" ; tweaks:units = "unitless" ; tweaks:comment = "0=no tweaks,1=power tweaks,2=alignment tweaks,3=power and alignment tweaks" ; short qc_flag(time) ; qc_flag:long_name = "Data quality flag" ; qc_flag:units = "unitless" ; qc_flag:comment = " 0=data quality ok, 1= data missing ,2=hatch not open or signal appears attenuated, 3=data suspect" ; float extinction_low_resolution(height_low) ; extinction_low_resolution:long_name = "Vertical resolution of the low aerosol extinction coefficient profile data" ; extinction_low_resolution:units = "km^(-1)" ; float extinction_low(time, height_low) ; extinction_low:long_name = "Aerosol extinction coefficient profile from the low N2 channel data" ; extinction_low:units = "km^(-1)" ; extinction_low:comment1 = "Density calculated from sgpaeriprof3feltzC1.c1 data" ; extinction_low:comment2 = "Assume a wavelength dependence of 0.95" ; float extinction_high_resolution(height_high) ; extinction_high_resolution:long_name = "Vertical resolution of the high aerosol extinction coefficient profile data" ; extinction_high_resolution:units = "km^(-1)" ; float extinction_high(time, height_high) ; extinction_high:long_name = "Aerosol extinction coefficient profile from the high N2 channel data" ; extinction_high:units = "km^(-1)" ; extinction_high:comment1 = "Density calculated from sgpaeriprof3feltzC1.c1 data" ; extinction_high:comment2 = "Assume a wavelength dependence of 0.95" ; float extinction_high_overlap_corrected(time, height_high) ; extinction_high_overlap_corrected:long_name = "Aerosol extinction coefficient profile from the high N2 channel data, where the low N2 channel was used to correct for the overlap of the high channel" ; extinction_high_overlap_corrected:units = "km^(-1)" ; float extinction_merged_resolution(height_high) ; extinction_merged_resolution:long_name = "Vertical resolution of the merged aerosol extinction coefficient profile data" ; extinction_merged_resolution:units = "km^(-1)" ; float extinction_merged(time, height_high) ; extinction_merged:long_name = "Aerosol extinction coefficient profile created by merging the two N2 channels extinction profiles" ; extinction_merged:units = "km^(-1)" ; extinction_merged:high_channel_comment = "The overlap corrected high N2 channel data was used" ; extinction_merged:comment = "Density calculated from sgpaeriprof3feltzC1.c1 data" ; float extinction_from_backscatter(time, height_high) ; extinction_from_backscatter:long_name = "Aerosol extinction coefficient profile calculated from backscatter and the extinction-to-backscatter ratio" ; extinction_from_backscatter:units = "km^(-1)" ; extinction_from_backscatter:comment = "If more than 10% of the points below the aod_max_height were more than twice the error below zero, then these points were set by missing and the data quality flag was set" ; float extinction_merged_bscat(time, height_high) ; extinction_merged_bscat:long_name = "Aerosol extinction coefficient profile created by marrying the merged extinction from N2 data with the extinction from backscatter data" ; extinction_merged_bscat:units = "km^(-1)" ; short extinction_merged_bscat_mask(time, height_high) ; extinction_merged_bscat_mask:long_name = "Mask indicating from where the extinction value came from in the aerosol extinction coefficient profile created by marrying the merged extinction from N2 data with the extinction from backscatter data" ; extinction_merged_bscat_mask:units = "unitless" ; extinction_merged_bscat_mask:explanation_of_0 = "Extinction value from extinction_from_backscatter" ; extinction_merged_bscat_mask:explanation_of_1 = "Extinction value from extinction_merged (extinction from N2)" ; float aod_1(time) ; aod_1:long_name = "Aerosol optical depth calculated from the extinction_merged profile" ; aod_1:units = "unitless" ; aod_1:comment = "Integrated extinction profile up to 7.0 km or cloud base height, whichever is lower" ; float aod_married1(time) ; aod_married1:long_name = "Aerosol optical depth calculated from the extinction_merged_bscat profile" ; aod_married1:units = "unitless" ; aod_married1:comment = "Integrated extinction profile up to 7.0 km or cloud base height, whichever is lower" ; float aod_bscat(time) ; aod_bscat:long_name = "Aerosol optical depth calculated from the extinction_from_backscatter profile" ; aod_bscat:units = "unitless" ; aod_bscat:comment = "Integrated extinction profile up to 7.0 km or cloud base height, whichever is lower" ; float aod_1_error(time) ; aod_1_error:long_name = "Error in the aerosol optical depth calculated from the extinction_merged profile" ; aod_1_error:units = "unitless" ; float aod_married1_error(time) ; aod_married1_error:long_name = "Error in the aerosol optical depth calculated from the extinction_merged_bscat profile" ; aod_married1_error:units = "unitless" ; float aod_bscat_error(time) ; aod_bscat_error:long_name = "Error in the aerosol optical depth calculated from the extinction_from_backscatter profile" ; aod_bscat_error:units = "unitless" ; float aod_1_max_ht(time) ; aod_1_max_ht:long_name = "Maximum altitude used in the calculation of the aerosol optical depth from the extinction_merged profile" ; aod_1_max_ht:units = "km" ; float aod_married1_max_ht(time) ; aod_married1_max_ht:long_name = "Maximum altitude used in the calculation of the aerosol optical depth from the extinction_merged_bscat profile" ; aod_married1_max_ht:units = "km" ; float aod_bscat_max_ht(time) ; aod_bscat_max_ht:long_name = "Maximum altitude used in the calculation of the aerosol optical depth from the extinction_from_backscatter profile" ; aod_bscat_max_ht:units = "km" ; float aod_bscat_profile(time, height_high) ; aod_bscat_profile:long_name = "Aerosol optical depth from the surface computed from the extinction_from_backscatter profiles" ; aod_bscat_profile:units = "unitless" ; aod_bscat_profile:comment = "Values of -555 indicate a cloud exists at this level or below" ; float aod_married1_profile(time, height_high) ; aod_married1_profile:long_name = "Aerosol optical depth from the surface computed from the married1 extinction profiles" ; aod_married1_profile:units = "unitless" ; aod_married1_profile:comment = "Values of -555 indicate a cloud exists at this level or below" ; float aod_1_profile(time, height_high) ; aod_1_profile:long_name = "Aerosol optical depth from the surface computed from the extinction_merged profiles" ; aod_1_profile:units = "unitless" ; aod_1_profile:comment = "Values of -555 indicate a cloud exists at this level or below" ; float extinction_low_error(time, height_low) ; extinction_low_error:long_name = "Uncertainty of the aerosol extinction coefficient profile from the low N2 channel" ; extinction_low_error:units = "km^(-1)" ; float extinction_high_error(time, height_high) ; extinction_high_error:long_name = "Uncertainty of the aerosol extinction coefficient profile from the high N2 channel" ; extinction_high_error:units = "km^(-1)" ; float extinction_high_olap_corrected_error(time, height_high) ; extinction_high_olap_corrected_error:long_name = "Uncertainty of the aerosol extinction coefficient profile from the overlap corrected high N2 channel" ; extinction_high_olap_corrected_error:units = "km^(-1)" ; float extinction_merged_error(time, height_high) ; extinction_merged_error:long_name = "Uncertainty of the aerosol extinction coefficient profile created by merging the two N2 channels extinction profiles" ; extinction_merged_error:units = "km^(-1)" ; float extinction_from_backscatter_error(time, height_high) ; extinction_from_backscatter_error:long_name = "Uncertainty of the aerosol extinction coefficient profile calculated from the aerosol backscatter coefficient" ; extinction_from_backscatter_error:units = "km^(-1)" ; extinction_from_backscatter_error:comment = "The error in the smoothed Sa value is assumed to be 10% when propagating the error" ; float extinction_merged_bscat_error(time, height_high) ; extinction_merged_bscat_error:long_name = "Uncertainty of the married aerosol extinction coefficient profile" ; extinction_merged_bscat_error:units = "km^(-1)" ; float backscatter(time, height_high) ; backscatter:long_name = "Aerosol backscatter coefficient at 355 nm" ; backscatter:units = "(ster km)^(-1)" ; float backscatter_error(time, height_high) ; backscatter_error:long_name = "Uncertainty in the aerosol backscatter coefficient at 355 nm" ; backscatter_error:units = "(ster km)^(-1)" ; float smoothed_backscatter(time, height_high) ; smoothed_backscatter:long_name = "Aerosol backscatter coefficient at 355 nm - smoothed to N2 extinction resolution" ; smoothed_backscatter:units = "(ster km)^(-1)" ; float smoothed_backscatter_error(time, height_high) ; smoothed_backscatter_error:long_name = "Uncertainty in the aerosol backscatter coefficient at 355 nm - smoothed to N2 extinction resolution" ; smoothed_backscatter_error:units = "(ster km)^-1" ; float cloud_screened_extinction_bscat(time, height_high) ; cloud_screened_extinction_bscat:long_name = "Ratio of aerosol extinction to aerosol backscatter" ; cloud_screened_extinction_bscat:units = "ster" ; cloud_screened_extinction_bscat:comment = "Raw ratio" ; cloud_screened_extinction_bscat:smoothing_filter_timestep = "1.000 hours" ; cloud_screened_extinction_bscat:smoothing_filter_heightstep = " 500.0 meters" ; cloud_screened_extinction_bscat:smoothing_filter_percentgoodneighborhood = "20 %" ; float smoothed_extinction_bscat(time, height_high) ; smoothed_extinction_bscat:long_name = "Ratio of aerosol extinction to aerosol backscatter" ; smoothed_extinction_bscat:units = "ster" ; smoothed_extinction_bscat:comment = "Raw Sa data filled and smoothed with sa_smoother" ; float overlap_correction_low(time, height_low) ; overlap_correction_low:long_name = "Overlap correction for the low channel aerosol scattering ratio profile" ; overlap_correction_low:units = "unitless" ; float auto_correction1_high(time, height_high) ; auto_correction1_high:long_name = "Automatically determined correction for the high channel nitrogen profile." ; auto_correction1_high:units = "unitless" ; float auto_correction2_high(time, height_high) ; auto_correction2_high:long_name = "Reference overlap correction for the high channel nitrogen profile." ; auto_correction2_high:units = "unitless" ; float lat ; lat:long_name = "north latitude" ; lat:units = "degrees" ; float lon ; lon:long_name = "east longitude" ; lon:units = "degrees" ; float alt ; alt:long_name = "altitude" ; alt:units = "meters above Mean Sea Level" ; // global attributes: :date = "Tue Oct 6 17:22:22 2015" ; :process_version = "$State: vap-rlprof_ext-0.9-0.el6$" ; :site_id = "sgp" ; :facility_id = "C1" ; :data_level = "c0" ; :input_datastream_description = "A string consisting of the datastream(s), datastream version(s), and datastream date (range)" ; :input_datastreams_num = "9" ; :input_datastreams = "sgprlprofmerge1turnC1.c0.20150924.000004.cdf : $State: vap-rlprof_merge-3.8-0.el6$ : 20150924.000004 - 20150926.000002,sgpaeriprof3feltzC1.c1.20150924.001150.cdf : vap-aeriprof3feltz-3.8-0.el6 : 20150924.001150 - 20150926.001214,sgp10rlprofasr1ferrC1.c0.20150924.000000.cdf : $State: vap-rlprof_asr-3.13-0.el6$ : 20150924.000000 - 20150926.000000," ; :rlprof_lib_version = "$State: Exp $" ; :idl_tools_lib_version = "$State: idltools-idltools-1.32-1 $" ; :idl_version = "VAP coded in IDL (x86_64 / linux / unix / 8.2)" ; :command_line = "/apps/process/bin/rlprof_ext10 -s sgp -f C1 -d 20150925" ; :zeb_platform = "sgp10rlprofext1ferrC1.c0" ; :averaging_interval = "10 min" ; :averaging_interval_comment = "Samples taken with in a mode other than _normal_ or _bright_ are EXCLUDED from the ensemble" ; :command_line_options_for_rlprof_merge = " /apps/process/bin/rlprof_merge -s sgp -f C1 -C -D -G 1" ; :missing_value = "-999.0" ; :nan_value = -777.f ; :count_rate_correction_hi_n2_ch = "Dead-time corrected applied by RLPROF_MERGE VAP" ; :count_rate_correction_lo_n2_ch = "Dead-time corrected applied by RLPROF_MERGE VAP" ; :temperature_source = "sgpaeriprof3feltzC1.c1" ; :overlap_correction_lo_ch_tag = "20100210" ; :asr_aerosol_diff_trans_correction = "Differential transmission correction for aerosols APPLIED" ; :ext_parameter_zminlo = " 0.500 km" ; :ext_parameter_rminlo = " 0.312 km" ; :ext_parameter_zmaxlo = " 5.000 km" ; :ext_parameter_rmaxlo = " 3.200 km" ; :ext_parameter_zminhi = " 0.800 km" ; :ext_parameter_rminhi = " 0.312 km" ; :ext_parameter_zmaxhi = "10.000 km" ; :ext_parameter_rmaxhi = " 3.200 km" ; :ext_parameter_merge_range = "[0.500,1.500] km" ; :history = "created by dsmgr on machine ruby on Tue Oct 6 17:22:22 2015" ; }