netcdf sgpsirosE18.a1.970915.150400 { dimensions: time = UNLIMITED ; // (136 currently) channel = 6 ; variables: int base_time ; base_time:string = "15-Sep-97,15:04:00 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 1997-09-15 15:04:00 0:00" ; float channel(channel) ; channel:long_name = "MFRSR channels" ; channel:units = "nm" ; channel:Explanation_of_channel_1 = "415 nm, half power width 10nm; for aerosol measurement" ; channel:Explanation_of_channel_2 = "501 nm, half power width 10nm; for aerosol and ozone measurement" ; channel:Explanation_of_channel_3 = "614 nm, half power width 10nm; for ozone and aerosol measurement" ; channel:Explanation_of_channel_4 = "671 nm, half power width 10nm; for aerosol and ozone measurement" ; channel:Explanation_of_channel_5 = "873 nm, half power width 10nm; for aerosol measurement" ; channel:Explanation_of_channel_6 = "938 nm, half power width 10nm; for water vapor measurement" ; float hemisp_narrowband(time, channel) ; hemisp_narrowband:long_name = "Hemispheric Irradiance, MFRSR" ; hemisp_narrowband:units = "W/(m2 nm)" ; hemisp_narrowband:resolution = "0.0001" ; hemisp_narrowband:field_index = "1" ; hemisp_narrowband:missing_value = "-9999" ; hemisp_narrowband:min = "0" ; hemisp_narrowband:max = "2.1" ; float diffuse_hemisp_narrowband(time, channel) ; diffuse_hemisp_narrowband:long_name = "Diffuse Hemispheric Irradiance, MFRSR" ; diffuse_hemisp_narrowband:units = "W/(m2 nm)" ; diffuse_hemisp_narrowband:resolution = "0.0001" ; diffuse_hemisp_narrowband:field_index = "2" ; diffuse_hemisp_narrowband:missing_value = "-9999" ; diffuse_hemisp_narrowband:min = "0" ; diffuse_hemisp_narrowband:max = "1.5" ; float direct_norm_narrowband(time, channel) ; direct_norm_narrowband:long_name = "Direct Normal Irradiance, MFRSR" ; direct_norm_narrowband:units = "W/(m2 nm)" ; direct_norm_narrowband:resolution = "0.0001" ; direct_norm_narrowband:field_index = "3" ; direct_norm_narrowband:missing_value = "-9999" ; direct_norm_narrowband:min = "0" ; direct_norm_narrowband:max = "2.1" ; float hemisp_broadband(time) ; hemisp_broadband:long_name = "Hemispheric Irradiance, MFRSR" ; hemisp_broadband:units = "counts" ; hemisp_broadband:resolution = "0.01" ; hemisp_broadband:field_index = "4" ; hemisp_broadband:missing_value = "-9999" ; hemisp_broadband:Explanation_of_broadband_channel = "Unfiltered Silicon, nominally from 320 to 1200 nm" ; hemisp_broadband:min = "0" ; hemisp_broadband:max = "1370" ; float diffuse_hemisp_broadband(time) ; diffuse_hemisp_broadband:long_name = "Diffuse Hemispheric Irradiance, MFRSR" ; diffuse_hemisp_broadband:units = "counts" ; diffuse_hemisp_broadband:resolution = "0.01" ; diffuse_hemisp_broadband:field_index = "5" ; diffuse_hemisp_broadband:missing_value = "-9999" ; diffuse_hemisp_broadband:Explanation_of_broadband_channel = "Unfiltered Silicon, nominally from 320 to 1200 nm" ; diffuse_hemisp_broadband:min = "0" ; diffuse_hemisp_broadband:max = "1000" ; float direct_norm_broadband(time) ; direct_norm_broadband:long_name = "Direct Normal Irradiance, MFRSR" ; direct_norm_broadband:units = "counts" ; direct_norm_broadband:resolution = "0.01" ; direct_norm_broadband:field_index = "6" ; direct_norm_broadband:missing_value = "-9999" ; direct_norm_broadband:Explanation_of_broadband_channel = "Unfiltered Silicon, nominally from 320 to 1200 nm" ; direct_norm_broadband:min = "0" ; direct_norm_broadband:max = "1370" ; float mfrsr_temp(time) ; mfrsr_temp:long_name = "MFRSR Detector Temperature" ; mfrsr_temp:units = "degC" ; mfrsr_temp:resolution = "0.01" ; mfrsr_temp:field_index = "7" ; mfrsr_temp:missing_value = "-9999" ; mfrsr_temp:min = "-50" ; mfrsr_temp:max = "50" ; float up_long_hemisp(time) ; up_long_hemisp:long_name = "10 meter Upwelling Longwave Hemispheric Irradiance, Pyrgeometer" ; up_long_hemisp:units = "W/m2" ; up_long_hemisp:resolution = "0.01" ; up_long_hemisp:field_index = "8" ; up_long_hemisp:missing_value = "-9999" ; up_long_hemisp:min = "-10" ; up_long_hemisp:max = "1000" ; float up_long_dome_temp(time) ; up_long_dome_temp:long_name = "10 meter Longwave Dome Temperature, Pyrgeometer" ; up_long_dome_temp:units = "degC" ; up_long_dome_temp:resolution = "0.01" ; up_long_dome_temp:field_index = "9" ; up_long_dome_temp:missing_value = "-9999" ; up_long_dome_temp:min = "-50" ; up_long_dome_temp:max = "50" ; float up_long_case_temp(time) ; up_long_case_temp:long_name = "10 meter Longwave Case Temperature, Pyrgeometer" ; up_long_case_temp:units = "degC" ; up_long_case_temp:resolution = "0.01" ; up_long_case_temp:field_index = "10" ; up_long_case_temp:missing_value = "-9999" ; up_long_case_temp:min = "-50" ; up_long_case_temp:max = "50" ; float down_long_diffuse_hemisp(time) ; down_long_diffuse_hemisp:long_name = "Downwelling Longwave Diffuse Hemispheric Irradiance, Ventilated Pyrgeometer" ; down_long_diffuse_hemisp:units = "W/m2" ; down_long_diffuse_hemisp:resolution = "0.01" ; down_long_diffuse_hemisp:field_index = "11" ; down_long_diffuse_hemisp:missing_value = "-9999" ; down_long_diffuse_hemisp:min = "-10" ; down_long_diffuse_hemisp:max = "1000" ; float down_long_dome_temp(time) ; down_long_dome_temp:long_name = "Ventilated Pyrgeometer Dome Temperature" ; down_long_dome_temp:units = "degC" ; down_long_dome_temp:resolution = "0.01" ; down_long_dome_temp:field_index = "12" ; down_long_dome_temp:missing_value = "-9999" ; down_long_dome_temp:min = "-50" ; down_long_dome_temp:max = "50" ; float down_long_case_temp(time) ; down_long_case_temp:long_name = "Ventilated Pyrgeometer Case Temperature" ; down_long_case_temp:units = "degC" ; down_long_case_temp:resolution = "0.01" ; down_long_case_temp:field_index = "13" ; down_long_case_temp:missing_value = "-9999" ; down_long_case_temp:min = "-50" ; down_long_case_temp:max = "50" ; float up_short_hemisp(time) ; up_short_hemisp:long_name = "10 meter Upwelling Shortwave Hemispheric Irradiance, Pyranometer" ; up_short_hemisp:units = "W/m2" ; up_short_hemisp:resolution = "0.1" ; up_short_hemisp:field_index = "14" ; up_short_hemisp:missing_value = "-9999" ; up_short_hemisp:min = "-10" ; up_short_hemisp:max = "1000" ; float down_short_hemisp(time) ; down_short_hemisp:long_name = "Downwelling Shortwave Hemispheric Irradiance, Ventilated Pyranometer" ; down_short_hemisp:units = "W/m2" ; down_short_hemisp:resolution = "0.1" ; down_short_hemisp:field_index = "15" ; down_short_hemisp:missing_value = "-9999" ; down_short_hemisp:min = "-10" ; down_short_hemisp:max = "1367" ; float down_short_diffuse_hemisp(time) ; down_short_diffuse_hemisp:long_name = "Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer" ; down_short_diffuse_hemisp:units = "W/m2" ; down_short_diffuse_hemisp:resolution = "0.1" ; down_short_diffuse_hemisp:field_index = "16" ; down_short_diffuse_hemisp:missing_value = "-9999" ; down_short_diffuse_hemisp:min = "-10" ; down_short_diffuse_hemisp:max = "1000" ; float short_direct_normal(time) ; short_direct_normal:long_name = "Shortwave Direct Normal Irradiance, Pyrheliometer" ; short_direct_normal:units = "W/m2" ; short_direct_normal:resolution = "0.1" ; short_direct_normal:field_index = "17" ; short_direct_normal:missing_value = "-9999" ; short_direct_normal:min = "-10" ; short_direct_normal:max = "1367" ; float therm_volt(time) ; therm_volt:long_name = "Thermistor Excitation Voltage, Data Logger" ; therm_volt:units = "volts" ; therm_volt:resolution = "0.001" ; therm_volt:field_index = "18" ; therm_volt:missing_value = "-9999" ; therm_volt:min = "2.3" ; therm_volt:max = "2.7" ; float logger_volt(time) ; logger_volt:long_name = "Data Logger Supply Voltage" ; logger_volt:units = "volts" ; logger_volt:resolution = "0.001" ; logger_volt:field_index = "19" ; logger_volt:missing_value = "-9999" ; logger_volt:min = "10" ; logger_volt:max = "15" ; float logger_temp(time) ; logger_temp:long_name = "Data Logger Temperature" ; logger_temp:units = "degC" ; logger_temp:resolution = "0.01" ; logger_temp:field_index = "20" ; logger_temp:missing_value = "-9999" ; logger_temp:min = "-50" ; logger_temp:max = "50" ; float flag_zero_divisor1-24(time, channel) ; flag_zero_divisor1-24:long_name = "Flag fields with *1 returned from callang" ; flag_zero_divisor1-24:units = "unitless" ; flag_zero_divisor1-24:field_index = "21" ; flag_zero_divisor1-24:description = "if (BITWISE_AND(flag_zero_divisor, 2**(N - 1)) == 0) then the value of field N is bad due to a divide by zero operation." ; float flag_ln_error1-24(time, channel) ; flag_ln_error1-24:long_name = "Flag fields with *2 returned from callang" ; flag_ln_error1-24:units = "unitless" ; flag_ln_error1-24:field_index = "22" ; flag_ln_error1-24:description = "if (BITWISE_AND(flag_zero_divisor, 2**(N - 1)) == 0) then the value of field N is bad due to an ln error." ; float flag_zero_cosine1-24(time, channel) ; flag_zero_cosine1-24:long_name = "Flag fields with *3 returned from callang" ; flag_zero_cosine1-24:units = "unitless" ; flag_zero_cosine1-24:field_index = "23" ; flag_zero_cosine1-24:description = "if (BITWISE_AND(flag_zero_divisor, 2**(N - 1)) == 0) then the value of field N is bad due to a zero cosine error." ; float flag_nighttime1-24(time, channel) ; flag_nighttime1-24:long_name = "Flag fields with *4 returned from callang" ; flag_nighttime1-24:units = "unitless" ; flag_nighttime1-24:field_index = "24" ; flag_nighttime1-24:description = "if (BITWISE_AND(flag_zero_divisor, 2**(N - 1)) == 0) then the value of field N is nighttime data." ; float lat ; lat:long_name = "north latitude" ; lat:units = "degrees" ; lat:valid_range = -90.f, 90.f ; float lon ; lon:long_name = "east longitude" ; lon:units = "degrees" ; lon:valid_range = -180.f, 180.f ; float alt ; alt:long_name = "altitude" ; alt:units = "meters above Mean Sea Level" ; // global attributes: :ingest-software = " siros_ingest.c,v 4.7 1997/05/14 15:24:46 caraher Exp $" ; :input-source = "siros18:/data/raw/sirosE18/in/sgpsirosE18.x970915.160416.rsr" ; :site-id = "sgp" ; :facility-id = "E18 : Morris" ; :sds-mode = "production" ; :missing-data = "N/A" ; :comment = "The time assigned to each data point indicates the end of any\n", "period of averaging of the geophysical data.\n", "\n", "Altitude is in meters above Mean Sea Level" ; :field_indices = "Each field contains an attribute named \"field_index\".\n", "This index is unique to each field and contains a value\n", "from 1 to N (where N is the number of fields in platform)." ; :resolution_description = "The resolution field attributes refer to the number of significant\n", "digits relative to the decimal point that should be used in\n", "calculations. Using fewer digits might result in greater uncertainty;\n", "using a larger number of digits should have no effect and thus is\n", "unnecessary. However, analyses based on differences in values with\n", "a larger number of significant digits than indicated could lead to\n", "erroneous results or misleading scientific conclusions.\n", "\n", "resolution for lat= 0.001\n", "resolution for lon = 0.001\n", "resolution for alt = 1" ; :sensor_heights = "The upwelling sensors are at 10.0 meters, +/- 0.25 meters.\n", "All other sensors are at 1.5 meters, +/- 0.25 meters." ; :proc-level = "a1" ; :sample-int = "20 seconds" ; :averaging-int = "20 seconds" ; :software_version = "13" ; :serial-number = "6DEB" ; :flags = "21" ; :auxs = "3FFF0000" ; :bipolar = "N/A" ; :photcal = "N/A" ; :photoff = "N/A" ; :dayauxs = "0" ; :diodes = "7" ; :zeb_platform = "sgpsirosE18.a1" ; :history = "created by Zeb DataStore, 15-Sep-97,16:34:50, $RCSfile: DFA_NetCDF.c,v $ $Revision: 3.47 $\n", "" ; }