Data Quality Report for Order ID: 187127
User ID: yfeng    Date completed: 2017-08-09
All DQRs
DQR ID Subject Affected Data Streams Data Quality Metric
D160621.4 ASI/AOS/M1 - Manifold blower not working asiaosccn2colbavgM1.b1 Incorrect
D170428.8 ASI/AETH/M1 - Data acquisition card failure asiaosaeth1spotM1.a1 Missing
D170406.1 ASI/AETH/NEPHELOMETER/PSAP/M1 - Decreased impactor flow asiaosaeth1spotM1.a1 Note
 
DQR ID: D160621.4    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-06-16 00:42:00 2016-06-16 13:45:00 Incorrect
Subject: ASI/AOS/M1 - Manifold blower not working
Affected Datastreams: asiaosccn2colbavgM1.b1
Description Manifold blower not working, instrument sample flows either zero or different than specified. Sampling through the stack not isokinetic.
Measurements
  • lon (East longitude)
  • specific_attenuation_sigma (Specific attenuation sigma)
  • reference_dark (Reference zero or dark level)
  • reference_intensity (Reference beam intensity)
  • alt (Altitude above mean sea level)
  • spot_size_area (Spot size area)
  • wavelength (Wavelength of aethelometer optical filter)
  • bypass_fraction (Bypass fraction)
  • time (Time offset from midnight)
  • lat (North latitude)
  • sample_flow_rate (Instrument flow rate)
  • sample_dark (Sample zero or dark level)
  • optical_attenuation (Optical attenuation)
  • sample_intensity (Sample intensity)
  • equivalent_black_carbon (Equivalent black carbon concentration)
  • time_offset (Time offset from base_time)
  • base_time (Base time in Epoch)
 
DQR ID: D170428.8    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2017-04-05 12:11:06 2017-05-03 16:35:13 Missing
Subject: ASI/AETH/M1 - Data acquisition card failure
Affected Datastreams: asiaosaeth1spotM1.a1
Description Data acquisition card died and needed to be replaced. A replacement board was sent by the vendor to swap out the failed board.
Measurements
  • lon (East longitude)
  • reference_dark (Reference zero or dark level)
  • specific_attenuation_sigma (Specific attenuation sigma)
  • reference_intensity (Reference beam intensity)
  • alt (Altitude above mean sea level)
  • spot_size_area (Spot size area)
  • wavelength (Wavelength of aethelometer optical filter)
  • bypass_fraction (Bypass fraction)
  • time (Time offset from midnight)
  • sample_flow_rate (Instrument flow rate)
  • lat (North latitude)
  • equivalent_black_carbon (Equivalent black carbon concentration)
  • optical_attenuation (Optical attenuation)
  • sample_intensity (Sample intensity)
  • sample_dark (Sample zero or dark level)
  • time_offset (Time offset from base_time)
  • base_time (Base time in Epoch)
 
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: asiaosaeth1spotM1.a1
Description Impactor flow below nominal due to aethalometer failure. Impactor cut-point affected, nephelometer and PSAP data otherwise not affected.
Measurements
  • reference_dark (Reference zero or dark level)
  • reference_intensity (Reference beam intensity)
  • spot_size_area (Spot size area)
  • wavelength (Wavelength of aethelometer optical filter)
  • bypass_fraction (Bypass fraction)
  • sample_flow_rate (Instrument flow rate)
  • sample_intensity (Sample intensity)
  • sample_dark (Sample zero or dark level)
  • optical_attenuation (Optical attenuation)
  • equivalent_black_carbon (Equivalent black carbon concentration)
  • specific_attenuation_sigma (Specific attenuation sigma)