netcdf olisrsM1.a1.20210615.000000 { dimensions: time = UNLIMITED ; // (902 currently) variables: int base_time ; base_time:string = "2021-06-15 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 2021-06-15 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 2021-06-15 00:00:00 0:00" ; time:calendar = "gregorian" ; time:standard_name = "time" ; float air_temperature(time) ; air_temperature:long_name = "Air temperature" ; air_temperature:units = "degC" ; air_temperature:missing_value = -9999.f ; air_temperature:standard_name = "air_temperature" ; air_temperature:valid_min = -35.f ; air_temperature:valid_max = 50.f ; float distance_1(time) ; distance_1:long_name = "Sensor 1 temperature-compensated distance from sensor to surface" ; distance_1:units = "cm" ; distance_1:missing_value = -9999.f ; distance_1:valid_min = 10.f ; distance_1:valid_max = 250.f ; distance_1:equation = "distance_raw_1 * sqrt( (air_temperature + 273.15) / 273.15)" ; distance_1:comment = "Temperature-compensated distance from the instrument sensor to the surface (tundra in summer, snow in winter)" ; distance_1:ancillary_variables = "data_quality_1" ; float distance_raw_1(time) ; distance_raw_1:long_name = "Sensor 1 raw distance to surface" ; distance_raw_1:units = "cm" ; distance_raw_1:missing_value = -9999.f ; distance_raw_1:valid_min = 10.f ; distance_raw_1:valid_max = 250.f ; distance_raw_1:comment = "Distance is not temperature corrected" ; distance_raw_1:ancillary_variables = "data_quality_1" ; int data_quality_1(time) ; data_quality_1:long_name = "Sensor 1 data quality number" ; data_quality_1:units = "1" ; data_quality_1:missing_value = -9999 ; data_quality_1:valid_min = 0 ; data_quality_1:valid_max = 600 ; data_quality_1:comment = "The data quality number gives an indication of the measurement capacity. 0 = not able to read distance, 152-210 = good measurement quality numbers, 210-300 = reduced echo signal strength, 300-600 = high measurement uncertainty" ; float distance_2(time) ; distance_2:long_name = "Sensor 2 temperature-compensated distance from sensor to surface" ; distance_2:units = "cm" ; distance_2:missing_value = -9999.f ; distance_2:valid_min = 10.f ; distance_2:valid_max = 250.f ; distance_2:equation = "distance_raw_2 * sqrt( (air_temperature + 273.15) / 273.15)" ; distance_2:comment = "Temperature-compensated distance from the instrument sensor to the surface (tundra in summer, snow in winter)" ; distance_2:ancillary_variables = "data_quality_2" ; float distance_raw_2(time) ; distance_raw_2:long_name = "Sensor 2 raw distance to surface" ; distance_raw_2:units = "cm" ; distance_raw_2:missing_value = -9999.f ; distance_raw_2:valid_min = 10.f ; distance_raw_2:valid_max = 250.f ; distance_raw_2:comment = "Distance is not temperature corrected" ; distance_raw_2:ancillary_variables = "data_quality_2" ; int data_quality_2(time) ; data_quality_2:long_name = "Sensor 2 data quality number" ; data_quality_2:units = "1" ; data_quality_2:missing_value = -9999 ; data_quality_2:valid_min = 0 ; data_quality_2:valid_max = 600 ; data_quality_2:comment = "The data quality number gives an indication of the measurement capacity. 0 = not able to read distance, 152-210 = good measurement quality numbers, 210-300 = reduced echo signal strength, 300-600 = high measurement uncertainty" ; float distance_3(time) ; distance_3:long_name = "Sensor 3 temperature-compensated distance from sensor to surface" ; distance_3:units = "cm" ; distance_3:missing_value = -9999.f ; distance_3:valid_min = 10.f ; distance_3:valid_max = 250.f ; distance_3:equation = "distance_raw_3 * sqrt( (air_temperature + 273.15) / 273.15)" ; distance_3:comment = "Temperature-compensated distance from the instrument sensor to the surface (tundra in summer, snow in winter)" ; distance_3:ancillary_variables = "data_quality_3" ; float distance_raw_3(time) ; distance_raw_3:long_name = "Sensor 3 raw distance to surface" ; distance_raw_3:units = "cm" ; distance_raw_3:missing_value = -9999.f ; distance_raw_3:valid_min = 10.f ; distance_raw_3:valid_max = 250.f ; distance_raw_3:comment = "Distance is not temperature corrected" ; distance_raw_3:ancillary_variables = "data_quality_3" ; int data_quality_3(time) ; data_quality_3:long_name = "Sensor 3 data quality number" ; data_quality_3:units = "1" ; data_quality_3:missing_value = -9999 ; data_quality_3:valid_min = 0 ; data_quality_3:valid_max = 600 ; data_quality_3:comment = "The data quality number gives an indication of the measurement capacity. 0 = not able to read distance, 152-210 = good measurement quality numbers, 210-300 = reduced echo signal strength, 300-600 = high measurement uncertainty" ; float panel_temperature(time) ; panel_temperature:long_name = "Panel temperature" ; panel_temperature:units = "degC" ; panel_temperature:comment = "Temperature of enclosed data logger panel that is located nearby to SRS instrument" ; panel_temperature:valid_min = -60.f ; panel_temperature:valid_max = 40.f ; panel_temperature:missing_value = -9999.f ; float volt_min(time) ; volt_min:long_name = "Minimum supply voltage of logger" ; volt_min:units = "V" ; volt_min:valid_min = 10.f ; volt_min:valid_max = 15.f ; volt_min: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: :command_line = "srs_ingest -s oli -f M1 -RD" ; :Conventions = "ARM-1.3" ; :process_version = "ingest-srs-1.5-0.el7" ; :dod_version = "srs-a1-3.1" ; :input_source = "/data/reproc/D221104.6/collection/oli/olisrsM1.00/OLI_SRS_1min_CR1000_SRS_2021_06_14_2302.dat" ; :site_id = "oli" ; :platform_id = "srs" ; :facility_id = "M1" ; :data_level = "a1" ; :location_description = "North Slope of Alaska (NSA), Oliktok Point, Alaska" ; :datastream = "olisrsM1.a1" ; :sampling_interval = "1 minute" ; :instrument_description = "SR50A Sonic Distance Sensor Series" ; :instrument_manufacturer = "Campbell Scientific, Inc." ; :logger_program_signature = "11340" ; :doi = "10.5439/1374062" ; :history = "created by user erwinmj on machine prod-proc5.adc.arm.gov at 2023-02-22 22:23:11, using ingest-srs-1.5-0.el7" ; }