Data Quality Report

Data Quality Report for Order ID: 187223
User ID: stemmlerj2 Date completed: 2017-08-12

All DQRs

DQR ID	Subject	Affected Data Streams	Data Quality Metric
D170726.6	ASI/HTDMA/NEPHELOMETER/M1 - Dry air system offline	asiaosnephwet1mM1.b1	Note
D170421.5	ASI/CPC/M1 - Troubleshooting and replacing failed thermistor	asiaoscpcfM1.a1	Missing
D170410.1	ASI/NEPHELOMETER/M1 - Lamp burned out	asiaosnephdryM1.a1	Incorrect
D170706.4	ASI/MET/M1 - Relative humidity and vapor pressure reading too high	asimetM1.b1	Incorrect
D170809.3	ASI/UHSAS/M1 - Reprocess: ingest problem	asiaosuhsasM1.a1	Incorrect
D170406.1	ASI/AETH/NEPHELOMETER/PSAP/M1 - Decreased impactor flow	asiaosnephwetM1.b1	Note
D170726.9	ASI/CO-ANALYZER/M1 - Reprocess: Valve position fields incorrect	asiaoscoM1.b1	Incorrect
D170726.2	ASI/MET/M1 - Relative humidity and vapor pressure reading too high	asimetM1.b1	Incorrect
D170726.4	ASI/TRACEGAS/M1 - A problem of pump	asiaoscoM1.a1	Incorrect

DQR ID: D170726.6 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2017-07-07	04:00:00	2017-07-18	12:00:00	Note

Subject:	ASI/HTDMA/NEPHELOMETER/M1 - Dry air system offline
Affected Datastreams:	asiaosnephwet1mM1.b1
Description	Dry air system stopped working due to a bad circuit breaker. HT-DMA was taken offline. Humidigraph running, but with RH different than nominal.
Measurements	qc_impactor_state (Quality check results on field: Impactor particle size cut) qc_P_Neph_Dry (Quality check results on field: Pressure inside reference nephelometer) Bs_R_Dry_Neph3W (Aerosol total light scattering coefficient, nominal red wavelength at dry or reference RH) lon (East longitude) Bbs_B_Dry_Neph3W (Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength at dry or reference RH) density_correction_factor (Correction to ambient nephelometer measurements to standard temperature and pressure) qc_Bbs_R_Dry_Neph3W (Quality check results on field: Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at dry or reference RH) seconds_after_transition (Seconds since last impactor transition) lamp_voltage (Lamp voltage) RH_Neph_Dry (Relative humidity inside reference nephelometer) impactor_state (Impactor particle size cut) qc_Bs_B_Dry_Neph3W (Quality check results on field: Aerosol total light scattering coefficient, nominal blue wavelength at dry or reference RH) lamp_current (Lamp current) Bs_G_Dry_Neph3W (Aerosol total light scattering coefficient, nominal green wavelength at dry or reference RH) Bbs_G_Dry_Neph3W (Aerosol back-hemispheric light scattering coefficient, nominal green wavelength at dry or reference RH) P_Neph_Dry (Pressure inside reference nephelometer) lat (North latitude) T_Neph_Dry (Sample temperature inside reference nephelometer) qc_RH_Neph_Dry (Quality check results on field: Relative humidity inside reference nephelometer) qc_Bbs_G_Dry_Neph3W (Quality check results on field: Aerosol back-hemispheric light scattering coefficient, nominal green wavelength at dry or reference RH) time_offset (Time offset from base_time) qc_impactor_state (Quality check results on field: Impactor state in terms of aerodynamic diameter cut off) seconds_after_transition (seconds since last impactor transition) qc_Bbs_B_Dry_Neph3W (Quality check results on field: Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength at dry or reference RH) qc_T_Neph_Dry (Quality check results on field: Sample temperature inside reference nephelometer) alt (Altitude above mean sea level) qc_Bs_G_Dry_Neph3W (Quality check results on field: Aerosol total light scattering coefficient, nominal green wavelength at dry or reference RH) Bbs_R_Dry_Neph3W (Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at dry or reference RH) base_time (Base time in Epoch) qc_Bs_R_Dry_Neph3W (Quality check results on field: Aerosol total light scattering coefficient, nominal red wavelength at dry or reference RH) Bs_B_Dry_Neph3W (Aerosol total light scattering coefficient, nominal blue wavelength at dry or reference RH) impactor_state (Impactor state in terms of aerodynamic diameter cut off) qc_T_Neph_Inlet_Dry (Quality check results on field: Temperature at reference nephelometer inlet) mode_flag (Instrument operating mode) instrument_state (Instrument state) T_Neph_Inlet_Dry (Temperature at reference nephelometer inlet) time (Time offset from midnight)

DQR ID: D170421.5 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2017-04-14	15:59:00	2017-04-14	17:59:59	Missing
2017-04-14	13:59:00	2017-04-14	14:16:59	Missing
2017-04-17	15:10:00	2017-04-17	16:02:59	Missing

Subject:	ASI/CPC/M1 - Troubleshooting and replacing failed thermistor
Affected Datastreams:	asiaoscpcfM1.a1
Description	The cpcu was taken offline for troubleshooting and replacing the failed thermistor.
Measurements	aerosol_flow_calibrated (Calibrated aerosol flow as supplied by mentor) lon (East longitude) fraction_full (Liquid fraction available) saturation_temp (Saturation temperature) dilution_intercept (Dilution intercept) laser_current (Laser current) qc_concentration (Quality check results on field: Particle concentration) cabinet_temp (Cabinet temperature) lat (North latitude) dilution_correction_factor (Dilution correction factor) dilution_flow_setpoint (Flow setpoint) liquid_level (Liquid level) concentration (Particle concentration) time_offset (Time offset from base_time) dilution_valve_position (Dilution flow valve position) concentration (Computed concentration) alt (Altitude above mean sea level) nozzle_pressure (Nozzle pressure) base_time (Base time in Epoch) optics_temp (Optics temperature) dilution_flow_reading (Flow read) condensation_temp (Condensation temperature) orifice_pressure (Orifice pressure) ambient_pressure (Ambient pressure) dilution_slope (Dilution slope) time (Time offset from midnight)

DQR ID: D170410.1 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2017-04-01	06:25:00	2017-04-01	11:49:00	Incorrect

Subject:	ASI/NEPHELOMETER/M1 - Lamp burned out
Affected Datastreams:	asiaosnephdryM1.a1
Description	Nephelometer lamp burned out. No valid data from this time period.
Measurements	impactor_state (Impactor particle size cut) Bs_R_Dry_Neph3W (Aerosol total light scattering coefficient, nominal red wavelength at dry or reference RH) Bs_B_Dry_Neph3W (Aerosol total light scattering coefficient, nominal blue wavelength at dry or reference RH) lamp_current (Lamp current) Bbs_G_Dry_Neph3W (Aerosol back-hemispheric light scattering coefficient, nominal green wavelength at dry or reference RH) Bs_G_Dry_Neph3W (Aerosol total light scattering coefficient, nominal green wavelength at dry or reference RH) impactor_state (Impactor state in terms of aerodynamic diameter cut off) Bbs_B_Dry_Neph3W (Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength at dry or reference RH) mode_flag (Instrument operating mode) P_Neph_Dry (Pressure inside reference nephelometer) seconds_after_transition (seconds since last impactor transition) density_correction_factor (Correction to ambient nephelometer measurements to standard temperature and pressure) T_Neph_Dry (Sample temperature inside reference nephelometer) seconds_after_transition (Seconds since last impactor transition) lamp_voltage (Lamp voltage) instrument_state (Instrument state) Bbs_R_Dry_Neph3W (Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at dry or reference RH) T_Neph_Inlet_Dry (Temperature at reference nephelometer inlet) RH_Neph_Dry (Relative humidity inside reference nephelometer)

DQR ID: D170706.4 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2017-06-25	00:00:00	2017-07-02	13:05:00	Incorrect

Subject:	ASI/MET/M1 - Relative humidity and vapor pressure reading too high
Affected Datastreams:	asimetM1.b1
Description	The relative humidity sensor began exceeding the maximum expected value, likely due to sensor degradation/contamination. Sensor was replaced.
Measurements	rh_mean (Relative humidity mean) vapor_pressure_mean (Vapor pressure mean, calculated)

DQR ID: D170809.3 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2017-06-20	00:00:00	2017-08-09	23:59:00	Incorrect

Subject:	ASI/UHSAS/M1 - Reprocess: ingest problem
Affected Datastreams:	asiaosuhsasM1.a1
Description	size_distribution and concentration fields are incorrect when the input raw data is a very small file.
Measurements	size_distribution (Particle size distribution, limited by lower_size_limit and upper_size_limit) concentration (Particle concentration) concentration (Computed concentration)

DQR ID: D170406.1 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2017-04-05	15:00:00	2017-04-06	12:30:00	Note

Subject:	ASI/AETH/NEPHELOMETER/PSAP/M1 - Decreased impactor flow
Affected Datastreams:	asiaosnephwetM1.b1
Description	Impactor flow below nominal due to aethalometer failure. Impactor cut-point affected, nephelometer and PSAP data otherwise not affected.
Measurements	Bs_R_Dry_Neph3W (Aerosol total light scattering coefficient, nominal red wavelength at dry or reference RH) sample_flow_rate (Sample flow rate) Bbs_B_Dry_Neph3W (Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength at dry or reference RH) density_correction_factor (Correction to ambient nephelometer measurements to standard temperature and pressure) seconds_after_transition (Seconds since last impactor transition) lamp_voltage (Lamp voltage) impactor_state (Impactor particle size cut) RH_Neph_Dry (Relative humidity inside reference nephelometer) lamp_current (Lamp current) Bbs_G_Dry_Neph3W (Aerosol back-hemispheric light scattering coefficient, nominal green wavelength at dry or reference RH) Bs_G_Dry_Neph3W (Aerosol total light scattering coefficient, nominal green wavelength at dry or reference RH) P_Neph_Dry (Pressure inside reference nephelometer) T_Neph_Dry (Sample temperature inside reference nephelometer) dilution_correction_factor (Dilution correction factor) dilution_flow_setpoint (Flow setpoint) seconds_after_transition (seconds since last impactor transition) Bbs_R_Dry_Neph3W (Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at dry or reference RH) Bs_B_Dry_Neph3W (Aerosol total light scattering coefficient, nominal blue wavelength at dry or reference RH) impactor_state (Impactor state in terms of aerodynamic diameter cut off) mode_flag (Instrument operating mode) instrument_state (Instrument state) T_Neph_Inlet_Dry (Temperature at reference nephelometer inlet)

DQR ID: D170726.9 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2017-06-13	18:00:00	2017-07-26	23:59:59	Incorrect

Subject:	ASI/CO-ANALYZER/M1 - Reprocess: Valve position fields incorrect
Affected Datastreams:	asiaoscoM1.b1
Description	A bug in the a1- and b1-level AOS CO ingest processes caused the valve position fields to be incorrect. This had the trickle-down effect of flagging the primary fields as incorrect via embedded QC in the b1-level product. Reprocessing is being requested now that this ingest bug has been corrected.
Measurements	qc_h2o (Quality check results on field: Water vapor mixing ratio calculated with nominal sensitivity correction) qc_n2o (Quality check results on field: Nitrous oxide (N2O) mixing ratio calculated with nominal sensitivity correction) qc_co (Quality check results on field: Carbon monoxide (CO) mixing ratio calculated with nominal sensitivity correction) valve_position_MFC_1 (Valve position for mass flow controller 1) qc_n2o_dry (Quality check results on field: Nitrous oxide (N2O) mixing ratio corrected for water vapor concentration and calculated with nominal sensitivity correction) valve_position_MFC_2 (Valve position mass flow controller 2) qc_co_dry (Quality check results on field: Carbon monoxide (CO) mixing ratio corrected for water vapor concentration and calculated with nominal sensitivity correction)

DQR ID: D170726.2 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2017-07-08	03:08:00	2017-07-15	14:58:00	Incorrect

Subject:	ASI/MET/M1 - Relative humidity and vapor pressure reading too high
Affected Datastreams:	asimetM1.b1
Description	The relative humidity sensor began exceeding the maximum expected value, likely due to sensor contamination/water intrusion. Sensor was replaced.
Measurements	rh_mean (Relative humidity mean) vapor_pressure_mean (Vapor pressure mean, calculated)

DQR ID: D170726.4 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2017-04-03	16:53:33	2017-04-05	11:40:03	Incorrect

Subject:	ASI/TRACEGAS/M1 - A problem of pump
Affected Datastreams:	asiaoscoM1.a1
Description	Pump stopped. No useful data in this period
Measurements	set_point_for_MFC_2 (Set point for mass flow controller 2) ambient_temperature (Ambient temperature of instrument) n2o_dry (Nitrous oxide (N2O) mixing ratio corrected for water vapor concentration and calculated with nominal sensitivity correction) valve_position_MFC_1 (Valve position for mass flow controller 1) h2o (Water vapor mixing ratio calculated with nominal sensitivity correction) mass_flow_through_MFC_1 (Actual mass flow through mass flow controller 1) co (Carbon monoxide (CO) mixing ratio calculated with nominal sensitivity correction) valve_position_MFC_2 (Valve position mass flow controller 2) set_point_for_MFC_1 (Set point for mass flow controller 1) gas_temperature (Cell sample temperature) seconds_after_calibration (Seconds after last calibration) gas_pressure (Cell sample pressure) n2o (Nitrous oxide (N2O) mixing ratio calculated with nominal sensitivity correction) mass_flow_through_MFC_2 (Actual mass flow through mass flow controller 2) co_dry (Carbon monoxide (CO) mixing ratio corrected for water vapor concentration and calculated with nominal sensitivity correction)