netcdf nsanimfraodmetricdayC1.c1.20080101.000000 {
dimensions:
	time = UNLIMITED ; // (366 currently)
variables:
	int base_time ;
		base_time:string = "01-Jan-2008 11:55:00 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 2008-01-01 11:55:00 0:00" ;
	double time(time) ;
		time:long_name = "Time offset from midnight" ;
		time:units = "seconds since 2008-01-01 00:00:00 0:00" ;
	float be_aod_500(time) ;
		be_aod_500:long_name = "Best estimate aerosol optical depth at 500 nm" ;
		be_aod_500:units = "unitless" ;
		be_aod_500:comment = "See technical report for details on computation" ;
	float be_angst_exp(time) ;
		be_angst_exp:long_name = "Best estimate Angstrom exponent" ;
		be_angst_exp:units = "unitless" ;
		be_angst_exp:comment = "See technical report for details on computation" ;
		be_angst_exp:cloudy_threshold = "0.5" ;
		be_angst_exp:equation = "angstrom_exponent is ln( aod355 / aod870 ) / ln( 870 / 355 )" ;
	float scat_coeff_green(time) ;
		scat_coeff_green:long_name = "Aerosol total scatter coefficient at 500 nm for 1 um size cut" ;
		scat_coeff_green:units = "1/km" ;
	float backscatter_green(time) ;
		backscatter_green:long_name = "Aerosol backscatter coefficient at 500 nm for 1 um size cut" ;
		backscatter_green:units = "1/km" ;
	float absorp_coef_mean(time) ;
		absorp_coef_mean:long_name = "Aerosol absorption coefficient at 500 nm for 1 um size cut" ;
		absorp_coef_mean:units = "1/km" ;
	float mean_aod_nimfr_filter1(time) ;
		mean_aod_nimfr_filter1:long_name = "Mean aerosol optical depth at 415 nm from NIMFR" ;
		mean_aod_nimfr_filter1:units = "unitless" ;
	float sdev_aod_nimfr_filter1(time) ;
		sdev_aod_nimfr_filter1:long_name = "Standard deviation of aerosol optical depth at 415 nm from NIMFR" ;
		sdev_aod_nimfr_filter1:units = "unitless" ;
	float mean_aod_nimfr_filter2(time) ;
		mean_aod_nimfr_filter2:long_name = "Mean aerosol optical depth at 500 nm from NIMFR" ;
		mean_aod_nimfr_filter2:units = "unitless" ;
	float sdev_aod_nimfr_filter2(time) ;
		sdev_aod_nimfr_filter2:long_name = "Standard deviation of aerosol optical depth at 500 nm from NIMFR" ;
		sdev_aod_nimfr_filter2:units = "unitless" ;
	float mean_aod_nimfr_filter3(time) ;
		mean_aod_nimfr_filter3:long_name = "Mean aerosol optical depth at 615 nm from NIMFR" ;
		mean_aod_nimfr_filter3:units = "unitless" ;
	float sdev_aod_nimfr_filter3(time) ;
		sdev_aod_nimfr_filter3:long_name = "Standard deviation of aerosol optical depth at 615 nm from NIMFR" ;
		sdev_aod_nimfr_filter3:units = "unitless" ;
	float mean_aod_nimfr_filter4(time) ;
		mean_aod_nimfr_filter4:long_name = "Mean aerosol optical depth at 673 nm from NIMFR" ;
		mean_aod_nimfr_filter4:units = "unitless" ;
	float sdev_aod_nimfr_filter4(time) ;
		sdev_aod_nimfr_filter4:long_name = "Mean aerosol optical depth at 673 nm from NIMFR" ;
		sdev_aod_nimfr_filter4:units = "unitless" ;
	float mean_aod_nimfr_filter5(time) ;
		mean_aod_nimfr_filter5:long_name = "Mean aerosol optical depth at 870 nm from NIMFR" ;
		mean_aod_nimfr_filter5:units = "unitless" ;
	float sdev_aod_nimfr_filter5(time) ;
		sdev_aod_nimfr_filter5:long_name = "Mean aerosol optical depth at 870 nm from NIMFR" ;
		sdev_aod_nimfr_filter5:units = "unitless" ;
	float mean_angst_exponent_nimfr(time) ;
		mean_angst_exponent_nimfr:long_name = "Mean angstrom exponent from NIMFR observations" ;
		mean_angst_exponent_nimfr:units = "unitless" ;
		mean_angst_exponent_nimfr:equation = "angstrom_exponent is ln( aod415 / aod870 ) / ln( 870 / 415 )" ;
	float interpolated_angst_exponent_nimfr(time) ;
		interpolated_angst_exponent_nimfr:long_name = "Interpolated angstrom exponent from NIMFR observations" ;
		interpolated_angst_exponent_nimfr:units = "unitless" ;
		interpolated_angst_exponent_nimfr:comment = "Used mean_angst_exponent_nimfr interpolating across gaps (missing data) of less than 3 days" ;
	float scat_coeff_blue(time) ;
		scat_coeff_blue:long_name = "Dry total scatter coefficient at 450 nm for 1 um size cut" ;
		scat_coeff_blue:units = "1/km" ;
	float backscatter_blue(time) ;
		backscatter_blue:long_name = "Dry backscatter coefficient at 450 nm for 1 um size cut" ;
		backscatter_blue:units = "1/km" ;
	float scat_coeff_red(time) ;
		scat_coeff_red:long_name = "Dry total scatter coefficient at 700 nm for 1 um size cut" ;
		scat_coeff_red:units = "1/km" ;
	float backscatter_red(time) ;
		backscatter_red:long_name = "Dry backscatter coefficient at 700 nm for 1 um size cut" ;
		backscatter_red:units = "1/km" ;
	float aod_effect_ht(time) ;
		aod_effect_ht:long_name = "Effective thickness of the aerosol layer that is derived from effective height" ;
		aod_effect_ht:units = "unitless" ;
		aod_effect_ht:comment = "Screened for Joe Michalskys test" ;
	float effect_ht_interpolated(time) ;
		effect_ht_interpolated:long_name = "Effective thickness of the aerosol layer that is interpolated for missing values" ;
		effect_ht_interpolated:units = "km" ;
		effect_ht_interpolated:comment = "Derived from from humidity corrected AOS total scattering coefficient and MFRSR AOD at 500 nm" ;
	float rh_mean_surf_boundary(time) ;
		rh_mean_surf_boundary:long_name = "Mean of relative humidity from sonde from surface to boundary level" ;
		rh_mean_surf_boundary:units = "unitless" ;
		rh_mean_surf_boundary:comment = "Derived from relative humidity from sonde; computed the mean of rh from surface to boundary level" ;
		rh_mean_surf_boundary:comment1 = "At sgp, the boudary levels are 1.0 km for winter, 1.7 for spring, 2 for summer, 1.5 for fall" ;
		rh_mean_surf_boundary:comment2 = "At nsa, the boundary level is a model based plenary boundary level from nsancepgfsbrwflxX1.c1" ;
	float predicted_aod(time) ;
		predicted_aod:long_name = "Predicted Aerosol Optical Depth using linear regression" ;
		predicted_aod:units = "unitless" ;
		predicted_aod:comment = "AOD = a + b(Mean Relative humidity) + c(Relative Humidity at surface) + d(RH@surface * ln(Total Humidified Scattering)" ;
	float boundary_layer(time) ;
		boundary_layer:long_name = "model diagnosed planetary boundary layer depth from ncepgfsbrwflx only for nsa" ;
		boundary_layer:units = "m" ;
		boundary_layer:comment = "The best line fit within 8 hours at a given time." ;
	float mean_aod_aos(time) ;
		mean_aod_aos:long_name = "Mean aerosol optical depth derived from extinction profile at nsa" ;
		mean_aod_aos:units = "unitless" ;
		mean_aod_aos:comment = "Data derived as a result of integerating the exitinction profile upto 7 km" ;
	float lat ;
		lat:long_name = "North latitude" ;
		lat:units = "degree_N" ;
		lat:valid_min = -90.f ;
		lat:valid_max = 90.f ;
	float lon ;
		lon:long_name = "East longitude" ;
		lon:units = "degree_E" ;
		lon:valid_min = -180.f ;
		lon:valid_max = 180.f ;
	float alt ;
		alt:long_name = "Altitude above mean sea level" ;
		alt:units = "m" ;

// global attributes:
		:process_version = "$State: Exp $" ;
		:command_line = "aerosolbe1turn -d 20080101 -f nsaC1" ;
		:site_id = "nsa" ;
		:facility_id = "C1: Barrow, Alaska" ;
		:Averaging_interval = "10 minutes" ;
		:Sample_times = "The sample time is the start of the averaging interval" ;
		:Missing_value = "-9999" ;
		:missing-value = "-9999.0" ;
		:input_datastreams_description = "A string consisting of the datastream(s), datastream version(s), and datastream date (range)." ;
		:input_datastreams_num = "114" ;
		:input_datastreams = "nsasondewnpnC1.b1 : 5.190000 : 20080101.051600-20080202.195000 ;\n",
			"nsancepgfsbrwflxX1.c1 : $State: process-xdc-gfs-3.4-0 $ : 20071231.000000-20080201.000000 ;\n",
			"nsanoaaaosavgX1.b1 : 9.100000 : 20080101.000000-20080201.000000 ;\n",
			"nsanoaaaosfitrhX1.b1 : 9.100000 : 20080101.000000-20080130.001424 ;" ;
		:zeb_platform = "nsaaerosolbe1turnC1.c1" ;
		:history = "created by user koontz on machine onyx at 25-Sep-2009,19:17:54, using $State: zebra-zeblib-4.19-1.sol5_10 $" ;
}