netcdf nsasrsE12.a1.20240502.000000 { dimensions: time = UNLIMITED ; // (1440 currently) variables: int base_time ; base_time:string = "2024-05-02 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 2024-05-02 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 2024-05-02 00:00:00 0:00" ; time:calendar = "gregorian" ; time:standard_name = "time" ; float air_temperature(time) ; air_temperature:long_name = "Air temperature on swing set that mounts sensors 1, 2, and 3" ; 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 air_temperature_2(time) ; air_temperature_2:long_name = "Air temperature on swing set that mounts sensors 4, 5, and 6" ; air_temperature_2:units = "degC" ; air_temperature_2:missing_value = -9999.f ; air_temperature_2:standard_name = "air_temperature" ; air_temperature_2:valid_min = -35.f ; air_temperature_2:valid_max = 50.f ; float air_temperature_3(time) ; air_temperature_3:long_name = "Air temperature on swing set that mounts sensors 7, 8, and 9" ; air_temperature_3:units = "degC" ; air_temperature_3:missing_value = -9999.f ; air_temperature_3:standard_name = "air_temperature" ; air_temperature_3:valid_min = -35.f ; air_temperature_3: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 distance_4(time) ; distance_4:long_name = "Sensor 4 temperature-compensated distance from sensor to surface" ; distance_4:units = "cm" ; distance_4:missing_value = -9999.f ; distance_4:valid_min = 10.f ; distance_4:valid_max = 250.f ; distance_4:equation = "distance_raw_4 * sqrt( (air_temperature + 273.15) / 273.15)" ; distance_4:comment = "Temperature-compensated distance from the instrument sensor to the surface (tundra in summer, snow in winter)" ; distance_4:ancillary_variables = "data_quality_4" ; float distance_raw_4(time) ; distance_raw_4:long_name = "Sensor 4 raw distance to surface" ; distance_raw_4:units = "cm" ; distance_raw_4:missing_value = -9999.f ; distance_raw_4:valid_min = 10.f ; distance_raw_4:valid_max = 250.f ; distance_raw_4:comment = "Distance is not temperature corrected" ; distance_raw_4:ancillary_variables = "data_quality_4" ; int data_quality_4(time) ; data_quality_4:long_name = "Sensor 4 data quality number" ; data_quality_4:units = "1" ; data_quality_4:missing_value = -9999 ; data_quality_4:valid_min = 0 ; data_quality_4:valid_max = 600 ; data_quality_4: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_5(time) ; distance_5:long_name = "Sensor 5 temperature-compensated distance from sensor to surface" ; distance_5:units = "cm" ; distance_5:missing_value = -9999.f ; distance_5:valid_min = 10.f ; distance_5:valid_max = 250.f ; distance_5:equation = "distance_raw_5 * sqrt( (air_temperature + 273.15) / 273.15)" ; distance_5:comment = "Temperature-compensated distance from the instrument sensor to the surface (tundra in summer, snow in winter)" ; distance_5:ancillary_variables = "data_quality_5" ; float distance_raw_5(time) ; distance_raw_5:long_name = "Sensor 5 raw distance to surface" ; distance_raw_5:units = "cm" ; distance_raw_5:missing_value = -9999.f ; distance_raw_5:valid_min = 10.f ; distance_raw_5:valid_max = 250.f ; distance_raw_5:comment = "Distance is not temperature corrected" ; distance_raw_5:ancillary_variables = "data_quality_5" ; int data_quality_5(time) ; data_quality_5:long_name = "Sensor 5 data quality number" ; data_quality_5:units = "1" ; data_quality_5:missing_value = -9999 ; data_quality_5:valid_min = 0 ; data_quality_5:valid_max = 600 ; data_quality_5: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_6(time) ; distance_6:long_name = "Sensor 6 temperature-compensated distance from sensor to surface" ; distance_6:units = "cm" ; distance_6:missing_value = -9999.f ; distance_6:valid_min = 10.f ; distance_6:valid_max = 250.f ; distance_6:equation = "distance_raw_6 * sqrt( (air_temperature + 273.15) / 273.15)" ; distance_6:comment = "Temperature-compensated distance from the instrument sensor to the surface (tundra in summer, snow in winter)" ; distance_6:ancillary_variables = "data_quality_6" ; float distance_raw_6(time) ; distance_raw_6:long_name = "Sensor 6 raw distance to surface" ; distance_raw_6:units = "cm" ; distance_raw_6:missing_value = -9999.f ; distance_raw_6:valid_min = 10.f ; distance_raw_6:valid_max = 250.f ; distance_raw_6:comment = "Distance is not temperature corrected" ; distance_raw_6:ancillary_variables = "data_quality_6" ; int data_quality_6(time) ; data_quality_6:long_name = "Sensor 6 data quality number" ; data_quality_6:units = "1" ; data_quality_6:missing_value = -9999 ; data_quality_6:valid_min = 0 ; data_quality_6:valid_max = 600 ; data_quality_6: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_7(time) ; distance_7:long_name = "Sensor 7 temperature-compensated distance from sensor to surface" ; distance_7:units = "cm" ; distance_7:missing_value = -9999.f ; distance_7:valid_min = 10.f ; distance_7:valid_max = 250.f ; distance_7:equation = "distance_raw_7 * sqrt( (air_temperature + 273.15) / 273.15)" ; distance_7:comment = "Temperature-compensated distance from the instrument sensor to the surface (tundra in summer, snow in winter)" ; distance_7:ancillary_variables = "data_quality_7" ; float distance_raw_7(time) ; distance_raw_7:long_name = "Sensor 7 raw distance to surface" ; distance_raw_7:units = "cm" ; distance_raw_7:missing_value = -9999.f ; distance_raw_7:valid_min = 10.f ; distance_raw_7:valid_max = 250.f ; distance_raw_7:comment = "Distance is not temperature corrected" ; distance_raw_7:ancillary_variables = "data_quality_7" ; int data_quality_7(time) ; data_quality_7:long_name = "Sensor 7 data quality number" ; data_quality_7:units = "1" ; data_quality_7:missing_value = -9999 ; data_quality_7:valid_min = 0 ; data_quality_7:valid_max = 600 ; data_quality_7: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_8(time) ; distance_8:long_name = "Sensor 8 temperature-compensated distance from sensor to surface" ; distance_8:units = "cm" ; distance_8:missing_value = -9999.f ; distance_8:valid_min = 10.f ; distance_8:valid_max = 250.f ; distance_8:equation = "distance_raw_8 * sqrt( (air_temperature + 273.15) / 273.15)" ; distance_8:comment = "Temperature-compensated distance from the instrument sensor to the surface (tundra in summer, snow in winter)" ; distance_8:ancillary_variables = "data_quality_8" ; float distance_raw_8(time) ; distance_raw_8:long_name = "Sensor 8 raw distance to surface" ; distance_raw_8:units = "cm" ; distance_raw_8:missing_value = -9999.f ; distance_raw_8:valid_min = 10.f ; distance_raw_8:valid_max = 250.f ; distance_raw_8:comment = "Distance is not temperature corrected" ; distance_raw_8:ancillary_variables = "data_quality_8" ; int data_quality_8(time) ; data_quality_8:long_name = "Sensor 8 data quality number" ; data_quality_8:units = "1" ; data_quality_8:missing_value = -9999 ; data_quality_8:valid_min = 0 ; data_quality_8:valid_max = 600 ; data_quality_8: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_9(time) ; distance_9:long_name = "Sensor 9 temperature-compensated distance from sensor to surface" ; distance_9:units = "cm" ; distance_9:missing_value = -9999.f ; distance_9:valid_min = 10.f ; distance_9:valid_max = 250.f ; distance_9:equation = "distance_raw_9 * sqrt( (air_temperature + 273.15) / 273.15)" ; distance_9:comment = "Temperature-compensated distance from the instrument sensor to the surface (tundra in summer, snow in winter)" ; distance_9:ancillary_variables = "data_quality_9" ; float distance_raw_9(time) ; distance_raw_9:long_name = "Sensor 9 raw distance to surface" ; distance_raw_9:units = "cm" ; distance_raw_9:missing_value = -9999.f ; distance_raw_9:valid_min = 10.f ; distance_raw_9:valid_max = 250.f ; distance_raw_9:comment = "Distance is not temperature corrected" ; distance_raw_9:ancillary_variables = "data_quality_9" ; int data_quality_9(time) ; data_quality_9:long_name = "Sensor 9 data quality number" ; data_quality_9:units = "1" ; data_quality_9:missing_value = -9999 ; data_quality_9:valid_min = 0 ; data_quality_9:valid_max = 600 ; data_quality_9: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 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 nsa -f E12" ; :Conventions = "ARM-1.3" ; :process_version = "ingest-srs-1.5-0.el7" ; :dod_version = "srs-a1-5.0" ; :input_source = "/data/collection/nsa/nsasrsE12.00/NSAE12_SRS_2024_05_02_0000.dat" ; :site_id = "nsa" ; :platform_id = "srs" ; :facility_id = "E12" ; :data_level = "a1" ; :location_description = "North Slope of Alaska (NSA), Barrow, Alaska" ; :datastream = "nsasrsE12.a1" ; :sampling_interval = "1 minute" ; :instrument_description = "SR50A Sonic Distance Sensor Series" ; :instrument_manufacturer = "Campbell Scientific, Inc." ; :logger_program_signature = "95" ; :doi = "10.5439/1374062" ; :history = "created by user dsmgr on machine prod-proc2.adc.arm.gov at 2024-05-02 01:29:01, using ingest-srs-1.5-0.el7" ; }