netcdf houaosccnsmpskappaM1.c1.20220902.001027 {
dimensions:
	time = UNLIMITED ; // (42 currently)
	diameter_mobility = 192 ;
	droplet_size = 20 ;
	setpoint = 7 ;
	bound = 2 ;
variables:
	int base_time ;
		base_time:string = "2022-09-02 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 2022-09-02 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 2022-09-02 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 diameter_mobility(diameter_mobility) ;
		diameter_mobility:long_name = "Midpoint of geometric mean mobility diameter" ;
		diameter_mobility:units = "nm" ;
		diameter_mobility:bounds = "diameter_mobility_bounds" ;
	float diameter_mobility_bounds(diameter_mobility, bound) ;
		diameter_mobility_bounds:long_name = "Mobility diameter bin boundaries" ;
	float droplet_size(droplet_size) ;
		droplet_size:long_name = "Size bins for CCN droplets" ;
		droplet_size:units = "um" ;
		droplet_size:bounds = "droplet_size_bounds" ;
	float droplet_size_bounds(droplet_size, bound) ;
		droplet_size_bounds:long_name = "Droplet bin bounds" ;
	float setpoint(setpoint) ;
		setpoint:long_name = "Supersaturation set point values" ;
		setpoint:units = "%" ;
	float kappa(time) ;
		kappa:long_name = "Hygroscopicity parameter kappa" ;
		kappa:units = "1" ;
		kappa:comment = "The CCN derived kappa is calculated using CCN_avg and SMPS data products. k-Kohler theory with fixed constants are used." ;
		kappa:valid_min = 0.f ;
		kappa:valid_max = 1.3f ;
		kappa:ancillary_variables = "qc_kappa" ;
		kappa:missing_value = -9999.f ;
	int qc_kappa(time) ;
		qc_kappa:long_name = "Quality check results on variable: Hygroscopicity parameter kappa" ;
		qc_kappa:units = "1" ;
		qc_kappa:standard_name = "quality_flag" ;
		qc_kappa:description = "This variable 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_kappa:flag_method = "bit" ;
		qc_kappa:bit_1_description = "critical_diameter quality assessment is bad. Value set to missing_value." ;
		qc_kappa:bit_1_assessment = "Bad" ;
		qc_kappa:bit_2_description = "supersaturation_calculated quality assessment is bad. Value set to missing_value." ;
		qc_kappa:bit_2_assessment = "Bad" ;
		qc_kappa:bit_3_description = "Value is less than valid_min. Value set to missing_value." ;
		qc_kappa:bit_3_assessment = "Bad" ;
		qc_kappa:bit_4_description = "Value is greater than valid_max. Value set to missing_value." ;
		qc_kappa:bit_4_assessment = "Bad" ;
	float critical_diameter(time) ;
		critical_diameter:long_name = "Critical diameter" ;
		critical_diameter:units = "nm" ;
		critical_diameter:ancillary_variables = "qc_critical_diameter" ;
		critical_diameter:missing_value = -9999.f ;
	int qc_critical_diameter(time) ;
		qc_critical_diameter:long_name = "Quality check results on variable: Critical diameter" ;
		qc_critical_diameter:units = "1" ;
		qc_critical_diameter:standard_name = "quality_flag" ;
		qc_critical_diameter:description = "This variable 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_critical_diameter:flag_method = "bit" ;
		qc_critical_diameter:bit_1_description = "Not enough usable dN_dlogDp data to calculate critical_diameter. Value set to missing_value." ;
		qc_critical_diameter:bit_1_assessment = "Bad" ;
		qc_critical_diameter:bit_2_description = "Cumulative dN_dlogDp is not comparable to N_CCN. Value set to missing_value." ;
		qc_critical_diameter:bit_2_assessment = "Bad" ;
	float supersaturation_calculated(time) ;
		supersaturation_calculated:long_name = "Mean calculated supersaturation values for a fixed supersaturation set point." ;
		supersaturation_calculated:units = "%" ;
		supersaturation_calculated:comment = "The supersaturation_calculated values in this average match the times selected for the mean N_CCN." ;
		supersaturation_calculated:ancillary_variables = "qc_supersaturation_calculated" ;
		supersaturation_calculated:missing_value = -9999.f ;
		supersaturation_calculated:cell_transform = "time: TRANS_SUBSAMPLE (range: 600)" ;
		supersaturation_calculated:source = "houaosccn2colaavgM1.b1:supersaturation_calculated" ;
	int qc_supersaturation_calculated(time) ;
		qc_supersaturation_calculated:long_name = "Quality check results on variable: Mean calculated supersaturation values for a fixed supersaturation set point." ;
		qc_supersaturation_calculated:units = "1" ;
		qc_supersaturation_calculated:standard_name = "quality_flag" ;
		qc_supersaturation_calculated:description = "This variable 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_supersaturation_calculated:flag_method = "bit" ;
		qc_supersaturation_calculated:bit_1_description = "Transformation could not finish (all values bad or outside range, etc.), value set to missing_value." ;
		qc_supersaturation_calculated:bit_1_assessment = "Bad" ;
		qc_supersaturation_calculated:bit_2_description = "Transformation resulted in an indeterminate outcome." ;
		qc_supersaturation_calculated:bit_2_assessment = "Indeterminate" ;
	float aerosol_number_concentration(time) ;
		aerosol_number_concentration:long_name = "Aerosol particle number concentration" ;
		aerosol_number_concentration:units = "1/cm^3" ;
		aerosol_number_concentration:comment = "This field uses CPC data that provides the concentration of ambient aerosol particles. The CPC values corresponding to N_CCN data from 25% to 75% (obtained during N_CCN_mean_interquartile calculation) are averaged. This field is used to plot the f_CCN spectra or the activated fraction of particles. Ambient aerosol particles are dried before size-distribution measurements are performed." ;
		aerosol_number_concentration:ancillary_variables = "qc_aerosol_number_concentration" ;
		aerosol_number_concentration:missing_value = -9999.f ;
		aerosol_number_concentration:cell_transform = "time: TRANS_SUBSAMPLE (range: 600)" ;
		aerosol_number_concentration:source = "houaosccn2colaavgM1.b1:aerosol_number_concentration" ;
	int qc_aerosol_number_concentration(time) ;
		qc_aerosol_number_concentration:long_name = "Quality check results on variable: Aerosol particle number concentration" ;
		qc_aerosol_number_concentration:units = "1" ;
		qc_aerosol_number_concentration:standard_name = "quality_flag" ;
		qc_aerosol_number_concentration:description = "This variable 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_aerosol_number_concentration:flag_method = "bit" ;
		qc_aerosol_number_concentration:bit_1_description = "Transformation could not finish (all values bad or outside range, etc.), value set to missing_value." ;
		qc_aerosol_number_concentration:bit_1_assessment = "Bad" ;
		qc_aerosol_number_concentration:bit_2_description = "Transformation resulted in an indeterminate outcome." ;
		qc_aerosol_number_concentration:bit_2_assessment = "Indeterminate" ;
	float N_CCN(time) ;
		N_CCN:long_name = "Mean number concentration of N_CCN" ;
		N_CCN:units = "1/cm^3" ;
		N_CCN:comment = "The droplets from the bins lower than  \'first_bin_used\' are excluded, and N_CCN is recomputed. The equation used is: ([sum of droplets from each bin >= first_bin_used  + overflow] / Q_sample ) * 60. This field contains the robust averaged value termed the \"inner quartile\" of N_CCN values obtained at a fixed supersaturation set points passing all QC tests. The \"inner quartile\" consists of the central portion of the data values remaining after excluding the top and bottom 1/4 of the values." ;
		N_CCN:standard_name = "number_concentration_of_ambient_aerosol_particles_in_air" ;
		N_CCN:reference = "ambient conditions" ;
		N_CCN:ancillary_variables = "qc_N_CCN" ;
		N_CCN:missing_value = -9999.f ;
		N_CCN:cell_transform = "time: TRANS_SUBSAMPLE (range: 600)" ;
		N_CCN:source = "houaosccn2colaavgM1.b1:N_CCN" ;
	int qc_N_CCN(time) ;
		qc_N_CCN:long_name = "Quality check results on variable: Mean number concentration of N_CCN" ;
		qc_N_CCN:units = "1" ;
		qc_N_CCN:standard_name = "quality_flag" ;
		qc_N_CCN:description = "This variable 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_N_CCN:flag_method = "bit" ;
		qc_N_CCN:bit_1_description = "Transformation could not finish (all values bad or outside range, etc.), value set to missing_value." ;
		qc_N_CCN:bit_1_assessment = "Bad" ;
		qc_N_CCN:bit_2_description = "Transformation resulted in an indeterminate outcome." ;
		qc_N_CCN:bit_2_assessment = "Indeterminate" ;
	float N_CCN_dN(time, droplet_size) ;
		N_CCN_dN:long_name = "Droplet count by bin size" ;
		N_CCN_dN:units = "count/s" ;
		N_CCN_dN:comment = "The number droplets per bin (dN) corresponding to N_CCN data from 25% to 75% (obtained during N_CCN_mean_interquartile calculation) are averaged. This field produces one droplet size distribution per supersaturation value and is used to calculate the N_CCN concentration based on dN." ;
		N_CCN_dN:comment1 = "Each bin contains a droplet count, based on droplet size" ;
		N_CCN_dN:reference = "ambient conditions" ;
		N_CCN_dN:ancillary_variables = "qc_N_CCN_dN" ;
		N_CCN_dN:missing_value = -9999.f ;
		N_CCN_dN:cell_transform = "time: TRANS_SUBSAMPLE (range: 600) droplet_size: TRANS_PASSTHROUGH" ;
		N_CCN_dN:source = "houaosccn2colaavgM1.b1:N_CCN_dN" ;
	int qc_N_CCN_dN(time, droplet_size) ;
		qc_N_CCN_dN:long_name = "Quality check results on variable: Droplet count by bin size" ;
		qc_N_CCN_dN:units = "1" ;
		qc_N_CCN_dN:standard_name = "quality_flag" ;
		qc_N_CCN_dN:description = "This variable 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_N_CCN_dN:flag_method = "bit" ;
		qc_N_CCN_dN:bit_1_description = "Transformation could not finish (all values bad or outside range, etc.), value set to missing_value." ;
		qc_N_CCN_dN:bit_1_assessment = "Bad" ;
		qc_N_CCN_dN:bit_2_description = "Transformation resulted in an indeterminate outcome." ;
		qc_N_CCN_dN:bit_2_assessment = "Indeterminate" ;
	float dN_dlogDp(time, diameter_mobility) ;
		dN_dlogDp:long_name = "Number size distribution, electrical mobility diameter" ;
		dN_dlogDp:units = "1/cm^3" ;
		dN_dlogDp:comment = "dN_dlogDp is the aerosol number size distribution where the number of particles per bin (dN) have been divided by the bin-width in log10 space (dlogDp).  This simplifies comparison of size distributions from instruments with different bin spacing." ;
		dN_dlogDp:ancillary_variables = "qc_dN_dlogDp" ;
		dN_dlogDp:missing_value = -9999.f ;
		dN_dlogDp:cell_transform = "time: TRANS_SUBSAMPLE (range: 600) diameter_mobility: TRANS_PASSTHROUGH" ;
		dN_dlogDp:source = "houaossmpsM1.b1:dN_dlogDp" ;
	int qc_dN_dlogDp(time, diameter_mobility) ;
		qc_dN_dlogDp:long_name = "Quality check results on variable: Number size distribution, electrical mobility diameter" ;
		qc_dN_dlogDp:units = "1" ;
		qc_dN_dlogDp:standard_name = "quality_flag" ;
		qc_dN_dlogDp:description = "This variable 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_dN_dlogDp:flag_method = "bit" ;
		qc_dN_dlogDp:bit_1_description = "Transformation could not finish (all values bad or outside range, etc.), value set to missing_value." ;
		qc_dN_dlogDp:bit_1_assessment = "Bad" ;
		qc_dN_dlogDp:bit_2_description = "Transformation resulted in an indeterminate outcome." ;
		qc_dN_dlogDp:bit_2_assessment = "Indeterminate" ;
	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 = "aosccnsmpskappa -n aosccnsmpskappa -s hou -f M1 -b 20210915 -e 20220903 --filter-overlaps" ;
		:Conventions = "ARM-1.3" ;
		:process_version = "aosccnsmpskappa-1.2.0" ;
		:dod_version = "aosccnsmpskappa-c1-1.2" ;
		:input_datastreams = "houaosccn2colaavgM1.b1 : 2.6 : 20220902.001027\n",
			"houaossmpsM1.b1 : 1.2 : 20220901.000000-20220903.000000" ;
		:site_id = "hou" ;
		:platform_id = "aosccnsmpskappa" ;
		:facility_id = "M1" ;
		:data_level = "c1" ;
		:location_description = "Tracking Aerosol Convection Interactions Experiment (TRACER), La Porte, Texas" ;
		:datastream = "houaosccnsmpskappaM1.c1" ;
		:doi = "10.5439/1729907" ;
		:history = "created by user levin on machine prod-proc5.adc.arm.gov at 2023-09-11 07:07:25, using aosccnsmpskappa-1.2.0" ;
}