Data Quality Report

Data Quality Report for Order ID: 186946
User ID: dumask1 Date completed: 2017-07-28

All DQRs

DQR ID	Subject	Affected Data Streams	Data Quality Metric
D160226.3	NSA/AETH/X1 - Instrument data noisy	nsaaosaeth1spotX1.a1	Suspect
D160927.5	NSA/AETH/X1 - Detector board problem	nsaaosaeth1spotX1.a1	Missing
D160803.8	NSA/AOS/AETH/CLAP/CPC/NEPHELOMETER/X1 - data collection error	nsaaosclap3w1mX1.b1	Missing
D160927.3	NSA/AOS/CLAP/CPC/NEPHELOMETER/X1 - System maintenance	nsaaosclap3wX1.b1	Incorrect
D160614.5	NSA/AOS/AETH/CLAP/CPC/NEPHELOMETER/X1 - Data missing	nsaaosnephdry1mX1.b1	Missing
D160927.4	NSA/AOS/CLAP/CPC/NEPHELOMETER/X1 - Site power outage	nsaaospsap3wX1.b1	Missing

DQR ID: D160226.3 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2016-02-16	21:30:00	2016-02-24	18:30:00	Suspect

Subject:	NSA/AETH/X1 - Instrument data noisy
Affected Datastreams:	nsaaosaeth1spotX1.a1
Description	Instrument data noisy. The measurement uncertainty will be high due to noise.
Measurements	reference_intensity (Reference beam intensity) optical_attenuation (Optical attenuation) equivalent_black_carbon (Equivalent black carbon concentration) reference_dark (Reference zero or dark level) spot_size_area (Spot size area) bypass_fraction (Bypass fraction) sample_intensity (Sample intensity) specific_attenuation_sigma (Specific attenuation sigma) sample_flow_rate (Instrument flow rate) sample_dark (Sample zero or dark level)

DQR ID: D160927.5 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2016-08-22	13:40:00	2016-12-06	18:00:00	Missing

Subject:	NSA/AETH/X1 - Detector board problem
Affected Datastreams:	nsaaosaeth1spotX1.a1
Description	The detector board stopped working after a power outage. Returned to the manufacturer for repair.
Measurements	base_time (Base time in Epoch) wavelength (Wavelength of aethelometer optical filter) optical_attenuation (Optical attenuation) reference_intensity (Reference beam intensity) equivalent_black_carbon (Equivalent black carbon concentration) lat (North latitude) alt (Altitude above mean sea level) reference_dark (Reference zero or dark level) spot_size_area (Spot size area) bypass_fraction (Bypass fraction) specific_attenuation_sigma (Specific attenuation sigma) sample_intensity (Sample intensity) lon (East longitude) time_offset (Time offset from base_time) time (Time offset from midnight) sample_flow_rate (Instrument flow rate) sample_dark (Sample zero or dark level)

DQR ID: D160803.8 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2016-08-01	22:00:00	2016-08-02	16:50:00	Missing

Subject:	NSA/AOS/AETH/CLAP/CPC/NEPHELOMETER/X1 - data collection error
Affected Datastreams:	nsaaosclap3w1mX1.b1
Description	Hardware failure of data acquisition laptop. Laptop replaced.
Measurements	base_time (Base time in Epoch) wavelength (Wavelength of aethelometer optical filter) reference_intensity (Reference beam intensity) optical_attenuation (Optical attenuation) equivalent_black_carbon (Equivalent black carbon concentration) lat (North latitude) alt (Altitude above mean sea level) reference_dark (Reference zero or dark level) spot_size_area (Spot size area) bypass_fraction (Bypass fraction) sample_intensity (Sample intensity) specific_attenuation_sigma (Specific attenuation sigma) lon (East longitude) time_offset (Time offset from base_time) time (Time offset from midnight) sample_flow_rate (Instrument flow rate) sample_dark (Sample zero or dark level)

DQR ID: D160927.3 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2016-06-16	18:43:00	2016-08-20	18:47:00	Incorrect

Subject:	NSA/AOS/CLAP/CPC/NEPHELOMETER/X1 - System maintenance
Affected Datastreams:	nsaaosclap3wX1.b1
Description	Data is either missing or instrument was being calibrated
Measurements	wavelength (Wavelength of aethelometer optical filter) reference_intensity (Reference beam intensity) optical_attenuation (Optical attenuation) equivalent_black_carbon (Equivalent black carbon concentration) reference_dark (Reference zero or dark level) spot_size_area (Spot size area) bypass_fraction (Bypass fraction) specific_attenuation_sigma (Specific attenuation sigma) sample_intensity (Sample intensity) sample_flow_rate (Instrument flow rate) sample_dark (Sample zero or dark level)

DQR ID: D160614.5 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2016-06-10	20:07:00	2016-06-13	15:33:00	Missing

Subject:	NSA/AOS/AETH/CLAP/CPC/NEPHELOMETER/X1 - Data missing
Affected Datastreams:	nsaaosnephdry1mX1.b1
Description	Communication failure between data acquisition and instruments.
Measurements	base_time (Base time in Epoch) wavelength (Wavelength of aethelometer optical filter) optical_attenuation (Optical attenuation) reference_intensity (Reference beam intensity) equivalent_black_carbon (Equivalent black carbon concentration) lat (North latitude) alt (Altitude above mean sea level) reference_dark (Reference zero or dark level) spot_size_area (Spot size area) bypass_fraction (Bypass fraction) specific_attenuation_sigma (Specific attenuation sigma) sample_intensity (Sample intensity) lon (East longitude) time_offset (Time offset from base_time) time (Time offset from midnight) sample_flow_rate (Instrument flow rate) sample_dark (Sample zero or dark level)

DQR ID: D160927.4 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2016-08-21	20:52:00	2016-08-22	13:40:00	Missing

Subject:	NSA/AOS/CLAP/CPC/NEPHELOMETER/X1 - Site power outage
Affected Datastreams:	nsaaospsap3wX1.b1
Description	Site power outage
Measurements	base_time (Base time in Epoch) wavelength (Wavelength of aethelometer optical filter) optical_attenuation (Optical attenuation) reference_intensity (Reference beam intensity) equivalent_black_carbon (Equivalent black carbon concentration) lat (North latitude) alt (Altitude above mean sea level) reference_dark (Reference zero or dark level) spot_size_area (Spot size area) bypass_fraction (Bypass fraction) specific_attenuation_sigma (Specific attenuation sigma) sample_intensity (Sample intensity) lon (East longitude) time_offset (Time offset from base_time) time (Time offset from midnight) sample_flow_rate (Instrument flow rate) sample_dark (Sample zero or dark level)