Data Quality Reports for Session: 178959 User: manasi1mah Completed: 08/11/2016

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected Data Quality Metric
D140418.1SGP/ACSM/C1 - Data not available and unrecoverablesgpaosacsmC1.b1Missing
D140627.1SGP/ACSM/C1 - Windows 7 upgrade and turbo molecular pump failure.sgpaosacsmC1.b1Missing
D141009.2SGP/ACSM/C1 - Reprocessing Notice (RID 1237)sgpaosacsmC1.b1Does not affect quality
D141107.1SGP/ACSM/C1 - computer software problemsgpaosacsmC1.b1Missing
D141107.5SGP/ACSM/C1 - Pump FailuresgpaosacsmC1.b1Missing
D141205.1SGP/ACSM/C1 - Unexpected instrument shutdownsgpaosacsmC1.b1Incorrect
D150410.1SGP/ACSM/C1 - missing datasgpaosacsmC1.b1Missing
D150410.2SGP/ACSM/C1 - missing datasgpaosacsmC1.b1Missing
D150410.3SGP/ACSM/C1 - missing datasgpaosacsmC1.b1Missing
D150410.4SGP/ACSM/C1 - missing datasgpaosacsmC1.b1Missing
D160715.4SGP/ACSM/NEPHELOMETER/TDMA/C1 - Data Quality Evaluation OngoingsgpaosacsmC1.b1Does not affect quality


DQRID : D140418.1
Start DateStart TimeEnd DateEnd Time Data Quality Metric
02/08/2014020002/19/20141000Missing
Subject:
SGP/ACSM/C1 - Data not available and unrecoverable
DataStreams:sgpaosacsmC1.b1
Description:
There are no data for this time period.  The ionization filament burned out.  The mentor 
switched to a backup filament on 2/17 and the data stream was good after it was adjusted 
and monitored on 2/19.
Measurements:sgpaosacsmC1.b1:
  • time_offset
  • base_time
  • org_mx_err
  • Mass concentration of nitrate, ambient aerosol in air(nitrate)
  • Mass concentration of ammonium, ambient aerosol in air.(ammonium)
  • time
  • Mass concentration of chloride, ambient aerosol in air.(chloride)
  • North latitude(lat)
  • org_mx
  • Mass concentration of total organics, ambient aerosol in air.(total_organics)
  • amus
  • Mass concentration of sulfate, ambient aerosol in air.(sulfate)
  • Altitude above mean sea level(alt)
  • East longitude(lon)

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DQRID : D140627.1
Start DateStart TimeEnd DateEnd Time Data Quality Metric
05/25/2014110006/24/20140000Missing
Subject:
SGP/ACSM/C1 - Windows 7 upgrade and turbo molecular pump failure.
DataStreams:sgpaosacsmC1.b1
Description:
Instrument was not operational during this period because of turbo molecular pump failure. 
 the pump was replaced and the instrument restarted.
Measurements:sgpaosacsmC1.b1:
  • time_offset
  • base_time
  • org_mx_err
  • Mass concentration of nitrate, ambient aerosol in air(nitrate)
  • Mass concentration of ammonium, ambient aerosol in air.(ammonium)
  • time
  • Mass concentration of chloride, ambient aerosol in air.(chloride)
  • North latitude(lat)
  • org_mx
  • Mass concentration of total organics, ambient aerosol in air.(total_organics)
  • amus
  • Mass concentration of sulfate, ambient aerosol in air.(sulfate)
  • Altitude above mean sea level(alt)
  • East longitude(lon)

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DQRID : D141009.2
Start DateStart TimeEnd DateEnd Time Data Quality Metric
07/01/2012000010/09/20140000Does not affect quality
Subject:
SGP/ACSM/C1 - Reprocessing Notice (RID 1237)
DataStreams:sgpaosacsmC1.b1
Description:
See below for details of reprocessing that was completed on 20150610.  Original 
DQR category: 4 (Red, Incorrect).

-----------------------------------------------------------

The data will be reprocessed with the manufacturer's software to correct errors in the 
calibration values, collection efficiencies, and instrument response. The data in the 
current form is incorrect and should not be used.
Measurements:sgpaosacsmC1.b1:
  • Mass concentration of chloride, ambient aerosol in air.(chloride)
  • org_mx
  • Mass concentration of total organics, ambient aerosol in air.(total_organics)
  • amus
  • org_mx_err
  • Mass concentration of sulfate, ambient aerosol in air.(sulfate)
  • Mass concentration of nitrate, ambient aerosol in air(nitrate)
  • Mass concentration of ammonium, ambient aerosol in air.(ammonium)

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DQRID : D141107.1
Start DateStart TimeEnd DateEnd Time Data Quality Metric
10/14/2014130010/27/20141530Missing
Subject:
SGP/ACSM/C1 - computer software problem
DataStreams:sgpaosacsmC1.b1
Description:
There are no data for the time range specified
Measurements:sgpaosacsmC1.b1:
  • time_offset
  • base_time
  • org_mx_err
  • Mass concentration of nitrate, ambient aerosol in air(nitrate)
  • Mass concentration of ammonium, ambient aerosol in air.(ammonium)
  • time
  • Mass concentration of chloride, ambient aerosol in air.(chloride)
  • North latitude(lat)
  • org_mx
  • Mass concentration of total organics, ambient aerosol in air.(total_organics)
  • amus
  • Mass concentration of sulfate, ambient aerosol in air.(sulfate)
  • Altitude above mean sea level(alt)
  • East longitude(lon)

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DQRID : D141107.5
Start DateStart TimeEnd DateEnd Time Data Quality Metric
05/25/2014110006/23/20141900Missing
Subject:
SGP/ACSM/C1 - Pump Failure
DataStreams:sgpaosacsmC1.b1
Description:
Turbo pump failure.  No data are available for the specified times.
Measurements:sgpaosacsmC1.b1:
  • time_offset
  • base_time
  • org_mx_err
  • Mass concentration of nitrate, ambient aerosol in air(nitrate)
  • Mass concentration of ammonium, ambient aerosol in air.(ammonium)
  • time
  • Mass concentration of chloride, ambient aerosol in air.(chloride)
  • North latitude(lat)
  • org_mx
  • Mass concentration of total organics, ambient aerosol in air.(total_organics)
  • amus
  • Mass concentration of sulfate, ambient aerosol in air.(sulfate)
  • Altitude above mean sea level(alt)
  • East longitude(lon)

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DQRID : D141205.1
Start DateStart TimeEnd DateEnd Time Data Quality Metric
12/03/2014162512/04/20142030Incorrect
Subject:
SGP/ACSM/C1 - Unexpected instrument shutdown
DataStreams:sgpaosacsmC1.b1
Description:
There was an unexpected shutdown of the ionizer, vaporizer, SEM, and inlet valve, possibly 
caused by a power outage. This resulted in incorrect data values.
Measurements:sgpaosacsmC1.b1:
  • Mass concentration of chloride, ambient aerosol in air.(chloride)
  • org_mx
  • Mass concentration of total organics, ambient aerosol in air.(total_organics)
  • amus
  • org_mx_err
  • Mass concentration of sulfate, ambient aerosol in air.(sulfate)
  • Mass concentration of nitrate, ambient aerosol in air(nitrate)
  • Mass concentration of ammonium, ambient aerosol in air.(ammonium)

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DQRID : D150410.1
Start DateStart TimeEnd DateEnd Time Data Quality Metric
12/31/2011193812/31/20112042Missing
07/29/2011130708/02/20111416Missing
07/14/2011225007/18/20111945Missing
12/27/2011175512/27/20111859Missing
08/08/2011101208/09/20112154Missing
12/31/2011221612/31/20112320Missing
03/01/2011000003/01/20112359Missing
11/23/2011183911/25/20111529Missing
10/18/2011090610/18/20111042Missing
12/30/2011202312/30/20112126Missing
10/09/2011125610/09/20111947Missing
Subject:
SGP/ACSM/C1 - missing data
DataStreams:sgpaosacsmC1.b1
Description:
Data for the specified periods are missing because if instrument problems.
Measurements:sgpaosacsmC1.b1:
  • time_offset
  • base_time
  • org_mx_err
  • Mass concentration of nitrate, ambient aerosol in air(nitrate)
  • Mass concentration of ammonium, ambient aerosol in air.(ammonium)
  • time
  • Mass concentration of chloride, ambient aerosol in air.(chloride)
  • North latitude(lat)
  • org_mx
  • Mass concentration of total organics, ambient aerosol in air.(total_organics)
  • amus
  • Mass concentration of sulfate, ambient aerosol in air.(sulfate)
  • Altitude above mean sea level(alt)
  • East longitude(lon)

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DQRID : D150410.2
Start DateStart TimeEnd DateEnd Time Data Quality Metric
11/11/2012220111/15/20120051Missing
10/03/2012014010/03/20121832Missing
11/20/2012135811/21/20121633Missing
03/21/2012105803/21/20121233Missing
04/01/2012010204/03/20120913Missing
05/23/2012180605/23/20121909Missing
07/02/2012162307/03/20122105Missing
07/12/2012103807/30/20122221Missing
06/01/2012000007/01/20120000Missing
Subject:
SGP/ACSM/C1 - missing data
DataStreams:sgpaosacsmC1.b1
Description:
Data for the periods specified is missing because of instrument problems.
Measurements:sgpaosacsmC1.b1:
  • time_offset
  • base_time
  • org_mx_err
  • Mass concentration of nitrate, ambient aerosol in air(nitrate)
  • Mass concentration of ammonium, ambient aerosol in air.(ammonium)
  • time
  • Mass concentration of chloride, ambient aerosol in air.(chloride)
  • North latitude(lat)
  • org_mx
  • Mass concentration of total organics, ambient aerosol in air.(total_organics)
  • amus
  • Mass concentration of sulfate, ambient aerosol in air.(sulfate)
  • Altitude above mean sea level(alt)
  • East longitude(lon)

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DQRID : D150410.3
Start DateStart TimeEnd DateEnd Time Data Quality Metric
05/10/2013023205/24/20131733Missing
12/09/2013144112/10/20131618Missing
05/27/2013161905/27/20131723Missing
10/25/2013190310/31/20131418Missing
06/09/2013025006/13/20132223Missing
07/01/2013234707/04/20130223Missing
09/21/2013215709/21/20132300Missing
02/26/2013034102/28/20130512Missing
04/01/2013010204/03/20130913Missing
Subject:
SGP/ACSM/C1 - missing data
DataStreams:sgpaosacsmC1.b1
Description:
Data from the specified time periods are missing because of instrument problems.
Measurements:sgpaosacsmC1.b1:
  • time_offset
  • base_time
  • org_mx_err
  • Mass concentration of nitrate, ambient aerosol in air(nitrate)
  • Mass concentration of ammonium, ambient aerosol in air.(ammonium)
  • time
  • Mass concentration of chloride, ambient aerosol in air.(chloride)
  • North latitude(lat)
  • org_mx
  • Mass concentration of total organics, ambient aerosol in air.(total_organics)
  • amus
  • Mass concentration of sulfate, ambient aerosol in air.(sulfate)
  • Altitude above mean sea level(alt)
  • East longitude(lon)

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DQRID : D150410.4
Start DateStart TimeEnd DateEnd Time Data Quality Metric
10/05/2014205410/06/20141916Missing
05/25/2014000010/01/20140000Missing
10/28/2014132410/28/20141422Missing
02/08/2014010002/23/20140314Missing
05/05/2014124805/05/20141352Missing
10/09/2014130010/09/20141937Missing
12/03/2014143212/05/20140214Missing
10/15/2014165610/27/20141617Missing
01/30/2014153701/30/20141744Missing
03/05/2014144003/05/20141544Missing
Subject:
SGP/ACSM/C1 - missing data
DataStreams:sgpaosacsmC1.b1
Description:
Data are missing for the specified periods because of instrument problems.  Data for the 
period from the end of May through end of September are missing because of the failure of 
two turbo pumps and the return of the instrument to the manufacturer for service.
Measurements:sgpaosacsmC1.b1:
  • time_offset
  • base_time
  • org_mx_err
  • Mass concentration of nitrate, ambient aerosol in air(nitrate)
  • Mass concentration of ammonium, ambient aerosol in air.(ammonium)
  • time
  • Mass concentration of chloride, ambient aerosol in air.(chloride)
  • North latitude(lat)
  • org_mx
  • Mass concentration of total organics, ambient aerosol in air.(total_organics)
  • amus
  • Mass concentration of sulfate, ambient aerosol in air.(sulfate)
  • Altitude above mean sea level(alt)
  • East longitude(lon)

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DQRID : D160715.4
Start DateStart TimeEnd DateEnd Time Data Quality Metric
03/01/2011001209/30/20142359Does not affect quality
Subject:
SGP/ACSM/NEPHELOMETER/TDMA/C1 - Data Quality Evaluation Ongoing
DataStreams:sgpaosacsmC1.b1
Description:
A closure analysis is currently being perform on the ACSM, TDMA, and wet and dry NOAA 
NEPHELOMETERS at SGP C1. If problems are found during this analysis, they will be promptly 
documented through the DQR system.  The results of this analysis will be made available 
once completed.  Please contact the respective instrument mentors with any questions 
regarding these data over the specified period.
Measurements:sgpaosacsmC1.b1:
  • time_bounds
  • time_offset
  • qc_total_organics
  • qc_ammonium
  • base_time
  • qc_org_mx_err
  • org_mx_err
  • Mass concentration of nitrate, ambient aerosol in air(nitrate)
  • qc_org_mx
  • Mass concentration of ammonium, ambient aerosol in air.(ammonium)
  • qc_nitrate
  • time
  • Mass concentration of chloride, ambient aerosol in air.(chloride)
  • North latitude(lat)
  • org_mx
  • qc_sulfate
  • Mass concentration of total organics, ambient aerosol in air.(total_organics)
  • amus
  • qc_chloride
  • Mass concentration of sulfate, ambient aerosol in air.(sulfate)
  • Altitude above mean sea level(alt)
  • East longitude(lon)

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END OF DATA