netcdf sgpco2flxgas4mC1.a1.20240502.000000 {
dimensions:
	time = UNLIMITED ; // (864000 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 co2_concentration(time) ;
		co2_concentration:long_name = "CO2 concentration density" ;
		co2_concentration:units = "mmol/m^3" ;
		co2_concentration:missing_value = -9999.f ;
		co2_concentration:standard_name = "mole_concentration_of_carbon_dioxide_in_air" ;
	float h2o_concentration(time) ;
		h2o_concentration:long_name = "H2O concentration density" ;
		h2o_concentration:units = "mmol/m^3" ;
		h2o_concentration:missing_value = -9999.f ;
		h2o_concentration:standard_name = "mole_concentration_of_water_vapor_in_air" ;
	float air_temperature(time) ;
		air_temperature:long_name = "Air temperature measured by external thermistor" ;
		air_temperature:units = "degC" ;
		air_temperature:missing_value = -9999.f ;
	float pressure_gas_analyzer(time) ;
		pressure_gas_analyzer:long_name = "Barometric pressure in box containing the electronics for the Gas Analyzer" ;
		pressure_gas_analyzer:units = "kPa" ;
		pressure_gas_analyzer:missing_value = -9999.f ;
	float reference_signal_strength(time) ;
		reference_signal_strength:long_name = "Reference signal strength" ;
		reference_signal_strength:units = "1" ;
		reference_signal_strength:missing_value = -9999.f ;
	int diagnostic_flag(time) ;
		diagnostic_flag:long_name = "Diagnostic flag variable" ;
		diagnostic_flag:units = "1" ;
		diagnostic_flag:missing_value = -9999 ;
		diagnostic_flag:comment_AGC = "This is an 8 byte state field. Bits 0, 1, 2 and 3 are combined to monitor the automatic gain control (AGC), where AGC = AGC * 6.67. A value of 0 means \"very strong\". Values between 1 and 13 are typical. A value of 14 to 16 means the optics need to be cleaned." ;
		diagnostic_flag:comment = "Bit 4 monitors the synchronization. Bit 5 monitors the phase lock loop. Bit 6 monitors the detector. Bit 7 monitors the chopper. A value of 255 is typical and means \"normal\" operation." ;
	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 = "co2flx_ingest -n co2flx4m -s sgp -f C1" ;
		:Conventions = "ARM-1.2" ;
		:process_version = "ingest-co2flx-1.3-0.el7" ;
		:dod_version = "co2flxgas4m-a1-1.1" ;
		:input_source = "/data/collection/sgp/sgpco2flx4mC1.00/ARM-SGP-4m-123.r24" ;
		:site_id = "sgp" ;
		:platform_id = "co2flxgas4m" ;
		:facility_id = "C1" ;
		:data_level = "a1" ;
		:location_description = "Southern Great Plains (SGP), Lamont, Oklahoma" ;
		:sensor_height = "4.7 m AGL" ;
		:datastream = "sgpco2flxgas4mC1.a1" ;
		:doi = "10.5439/1258458" ;
		:history = "created by user dsmgr on machine prod-proc3.adc.arm.gov at 2024-05-03 01:20:56, using ingest-co2flx-1.3-0.el7" ;
}