netcdf sgpcsphotsdalunarfiltv3C1.a1.20231105.064546 { dimensions: time = UNLIMITED ; // (28 currently) variables: int base_time ; base_time:string = "2023-11-05 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 2023-11-05 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 2023-11-05 00:00:00 0:00" ; time:calendar = "gregorian" ; time:standard_name = "time" ; float aod_total(time) ; aod_total:long_name = "Total_AOD_500nm" ; aod_total:units = "1" ; aod_total:missing_value = -9999.f ; aod_total:comment = "Input variable: tau_a = tau_f+tau_c" ; aod_total:standard_name = "atmosphere_optical_thickness_due_to_ambient_aerosol_particles" ; float aod_fine(time) ; aod_fine:long_name = "Fine_Mode_AOD_500nm" ; aod_fine:units = "1" ; aod_fine:missing_value = -9999.f ; aod_fine:comment = "Input variable: tau_f" ; float aod_coarse(time) ; aod_coarse:long_name = "Coarse_Mode_AOD_500nm" ; aod_coarse:units = "1" ; aod_coarse:missing_value = -9999.f ; aod_coarse:comment = "Input variable: tau_f" ; float aod_fine_fraction(time) ; aod_fine_fraction:long_name = "FineModeFraction_500nm" ; aod_fine_fraction:units = "1" ; aod_fine_fraction:missing_value = -9999.f ; aod_fine_fraction:comment = "Input variable: eta = tau_f/tau_a" ; float aod_total_regression_fit_error(time) ; aod_total_regression_fit_error:long_name = "2nd_Order_Reg_Fit_Error-Total_AOD_500nm" ; aod_total_regression_fit_error:units = "1" ; aod_total_regression_fit_error:missing_value = -9999.f ; aod_total_regression_fit_error:description = "These quantities provide a measurement of the goodness of the fit." ; aod_total_regression_fit_error:comment = "Input variable: regression_fit_dtau_a" ; float aod_fine_rmse(time) ; aod_fine_rmse:long_name = "RMSE_Fine_Mode_AOD_500nm" ; aod_fine_rmse:units = "1" ; aod_fine_rmse:missing_value = -9999.f ; aod_fine_rmse:description = "These quantities provide a measurement of the goodness of the fit." ; aod_fine_rmse:comment = "Input variable: Dtau_f" ; float aod_coarse_rmse(time) ; aod_coarse_rmse:long_name = "RMSE_Coarse_Mode_AOD_500nm" ; aod_coarse_rmse:units = "1" ; aod_coarse_rmse:missing_value = -9999.f ; aod_coarse_rmse:description = "These quantities provide a measurement of the goodness of the fit." ; aod_coarse_rmse:comment = "Input variable: Dtau_c" ; float aod_fine_fraction_rmse(time) ; aod_fine_fraction_rmse:long_name = "RMSE_FineModeFraction_500nm" ; aod_fine_fraction_rmse:units = "1" ; aod_fine_fraction_rmse:missing_value = -9999.f ; aod_fine_fraction_rmse:description = "These quantities provide a measurement of the goodness of the fit." ; aod_fine_fraction_rmse:comment = "Input variable: Deta" ; float angstrom_exponent_total(time) ; angstrom_exponent_total:long_name = "Angstrom_Exponent(AE)-Total_500nm" ; angstrom_exponent_total:units = "1" ; angstrom_exponent_total:description = "This is the first derivative at a wavelength of 500nm for the total(fine+coarse) AOD." ; angstrom_exponent_total:missing_value = -9999.f ; angstrom_exponent_total:comment = "Input variable: alpha" ; float angstrom_exponent_total_derivative(time) ; angstrom_exponent_total_derivative:long_name = "dAE/dln(wavelength)-Total_500nm" ; angstrom_exponent_total_derivative:units = "1" ; angstrom_exponent_total_derivative:description = "This is the 2nd derivatives at a wavelength of 500nm for the total(fine+coarse) AOD." ; angstrom_exponent_total_derivative:missing_value = -9999.f ; angstrom_exponent_total_derivative:comment = "Input variable: alphap" ; float angstrom_exponent_fine(time) ; angstrom_exponent_fine:long_name = "AE-Fine_Mode_500nm" ; angstrom_exponent_fine:units = "1" ; angstrom_exponent_fine:description = "This is the first derivative at a wavelength of 500nm for the fine mode AOD." ; angstrom_exponent_fine:missing_value = -9999.f ; angstrom_exponent_fine:comment = "Input variable: alpha_f" ; float angstrom_exponent_fine_derivative(time) ; angstrom_exponent_fine_derivative:long_name = "dAE/dln(wavelength)-Fine_Mode_500nm" ; angstrom_exponent_fine_derivative:units = "1" ; angstrom_exponent_fine_derivative:description = "This is the 2nd derivative at a wavelength of 500nm for the fine mode AOD." ; angstrom_exponent_fine_derivative:missing_value = -9999.f ; angstrom_exponent_fine_derivative:comment = "Input variable: alphap_f" ; float lunar_zenith(time) ; lunar_zenith:long_name = "Lunar Zenith Angle" ; lunar_zenith:units = "degree" ; lunar_zenith:missing_value = -9999.f ; float lunar_phase(time) ; lunar_phase:long_name = "Lunar Phase Angle" ; lunar_phase:units = "degree" ; lunar_phase:missing_value = -9999.f ; float optical_air_mass(time) ; optical_air_mass:long_name = "Optical air mass" ; optical_air_mass:units = "1" ; optical_air_mass:missing_value = -9999.f ; short number_wavelengths(time) ; number_wavelengths:long_name = "Number of Wavelengths" ; number_wavelengths:units = "1" ; number_wavelengths:missing_value = -9999s ; short instrument_number(time) ; instrument_number:long_name = "AERONET Instrument Number" ; instrument_number:units = "1" ; instrument_number:missing_value = -9999s ; 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 = "csphotsdalunarfiltv3_ingest -s sgp -f C1" ; :Conventions = "ARM-1.3" ; :instrument_name = "Cimel Sunphotometer (CSPHOT)" ; :data_description = "Lunar Spectral Deconvolution Algorithm (SDA) Retrieval Version 4.1. Level 1.5 Aeronet data Version 3" ; :data_comment = "The data are automatically cloud cleared and quality assured" ; :process_version = "ingest-csphotsdalunarfiltv3-1.0-0.el7" ; :dod_version = "csphotsdalunarfiltv3-a1-1.0" ; :input_source = "/data/collection/sgp/sgpcsphotsdalunarfiltv3C1.00/sgpcsphotsdalunarfiltv3C1.00.20231105.000000.raw.csv" ; :reference_data = "Data initially processed by Aeronet, http://aeronet.gsfc.nasa.gov/" ; :aeronet_site_name = "ARM_SGP" ; :last_processed_date = "08:11:2023" ; :site_id = "sgp" ; :platform_id = "csphotsdalunarfiltv3" ; :facility_id = "C1" ; :data_level = "a1" ; :location_description = "Southern Great Plains (SGP), Lamont, Oklahoma" ; :datastream = "sgpcsphotsdalunarfiltv3C1.a1" ; :doi = "10.5439/2202682" ; :reference_url = "https://www.arm.gov/capabilities/instruments/csphot" ; :history = "created by user dsmgr on machine prod-proc2.adc.arm.gov at 2024-02-07 04:58:02, using ingest-csphotsdalunarfiltv3-1.0-0.el7" ; }