netcdf awrcsphotcod2chiuM1.c1.20160129.000000 { dimensions: time = UNLIMITED ; // (340 currently) bound = 2 ; variables: int base_time ; base_time:string = "29-Jan-2016,00:00:00 UTC" ; 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 2016-01-29 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 2016-01-29 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" ; time_bounds:bound_offsets = "0.83, 4.17" ; float solar_zenith_angle(time) ; solar_zenith_angle:long_name = "Solar zenith angle" ; solar_zenith_angle:units = "degree" ; solar_zenith_angle:standard_name = "solar_zenith_angle" ; solar_zenith_angle:missing_value = -9999.f ; int retrieval_flag(time) ; retrieval_flag:long_name = "QC flag" ; retrieval_flag:units = "1" ; retrieval_flag:flag_values = "0, 1, 2, 4, 6, 8" ; retrieval_flag:flag_meanings = "okay fail_difference_between_A_and_K_greater_than_epsilon_675_or_epsilon_870 clear_sky_but_(675-870)>(440-675) fail_(870-675)<=(1020-870) fail_(870-675)<=(675-440) fail_(870-675)<=(1020-870)_and_(870-675)<=(675-440)" ; retrieval_flag:comment = "0=okay;1=fail because difference between A and K is greater than epsilon 675 or epsilon 870;2=clear sky but (675-870)>(440-675);4=fail because (870-675)<=(1020-870) 6=fail because (870-675)<=(675-440);8=fail because 4 and 6" ; float radiance_0440(time) ; radiance_0440:long_name = "Normalized zenith radiance at 440nm" ; radiance_0440:units = "1" ; radiance_0440:comment = "Normalized by solar constant at 440nm" ; radiance_0440:source_information = "ARM CSPHOT cloud mode" ; radiance_0440:missing_value = -9999.f ; float radiance_0870(time) ; radiance_0870:long_name = "Normalized zenith radiance at 870nm" ; radiance_0870:units = "1" ; radiance_0870:comment = "Normalized by solar constant at 870nm" ; radiance_0870:source_information = "ARM CSPHOT cloud mode" ; radiance_0870:missing_value = -9999.f ; float radiance_1640(time) ; radiance_1640:long_name = "Normalized zenith radiance at 1640nm" ; radiance_1640:units = "1" ; radiance_1640:comment = "Normalized by solar constant at 1640nm" ; radiance_1640:source_information = "ARM CSPHOT cloud mode" ; radiance_1640:missing_value = -9999.f ; float cloud_optical_depth(time) ; cloud_optical_depth:long_name = "Cloud Optical Depth" ; cloud_optical_depth:units = "1" ; cloud_optical_depth:missing_value = -9999.f ; cloud_optical_depth:standard_name = "atmosphere_optical_thickness_due_to_cloud" ; cloud_optical_depth:ancillary_variables = "retrieval_flag cloud_optical_depth_std" ; float cloud_optical_depth_std(time) ; cloud_optical_depth_std:long_name = "Standard deviation of cloud optical depth" ; cloud_optical_depth_std:units = "1" ; cloud_optical_depth_std:missing_value = -9999.f ; cloud_optical_depth_std:cell_methods = "time: standard_deviation" ; float liquid_water_path(time) ; liquid_water_path:long_name = "Liquid Water Path" ; liquid_water_path:units = "g/m2" ; liquid_water_path:missing_value = -9999.f ; liquid_water_path:standard_name = "atmosphere_mass_content_of_cloud_liquid_water" ; liquid_water_path:ancillary_variables = "retrieval_flag liquid_water_path_std" ; float liquid_water_path_std(time) ; liquid_water_path_std:long_name = "Standard deviation of liquid water path" ; liquid_water_path_std:units = "g/m2" ; liquid_water_path_std:missing_value = -9999.f ; liquid_water_path_std:cell_methods = "time: standard_deviation" ; float effective_radius(time) ; effective_radius:long_name = "Effective radius" ; effective_radius:units = "um" ; effective_radius:valid_min = 3.f ; effective_radius:valid_max = 24.f ; effective_radius:missing_value = -9999.f ; effective_radius:standard_name = "effective_radius_of_cloud_liquid_water_particle" ; effective_radius:ancillary_variables = "retrieval_flag effective_radius_std" ; float effective_radius_std(time) ; effective_radius_std:long_name = "Standard deviation of effective radius" ; effective_radius_std:units = "um" ; effective_radius_std:missing_value = -9999.f ; effective_radius_std:cell_methods = "time: standard_deviation" ; float number_of_solutions(time) ; number_of_solutions:long_name = "Number of Solutions" ; number_of_solutions:units = "count" ; number_of_solutions:missing_value = -9999.f ; 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: :Instrument_Name = "Cimel Sun-PHOTometer (CSPHOT)" ; :Data_Description = "Cloud Optical Depth from CSPHOT Zenith Radiance Data, 3 Channel Algorithm" ; :Reference_URL = "http://www.arm.gov/instruments/instrument.php?id=csphot" ; :Reference_Data = "Data initially processed by Aeronet, http://aeronet.gsfc.nasa.gov/" ; :Aeronet_Site_Name = " " ; :facility_id = "M1" ; :site_id = "awr" ; :platform_id = "csphotcod2chiu" ; :data_level = "c1" ; :location_description = "ARM West Antarctic Radiation Experiment (AWARE), WAIS Divide, Antarctica" ; :datastream = "awrcsphotcod2chiuM1" ; :doi = "10.5439/1494609" ; :Date = "20160129" ; :Conventions = "ARM-1.2" ; :process_version = "CSPHOTCOD2CHIU version 1" ; :dod_version = "csphotcod2chiu-c1-1.1" ; :input_datastreams = " " ; :input_files = "awrcsphotcod2chiuM1.c1.20160129.000000.asc.ra" ; :Pickup_Date = " " ; :command_line = "idl -R -n csphotcod2chiu -s awr-f M1 -b 20160129 -R -D 2" ; :history = "Wed Jun 5 15:25:20 2019" ; }