DQR ID | Subject | Affected Data Streams | Data Quality Metric |
---|---|---|---|
D160907.10 | ENA/CPC/C1 - New pump slightly under pressure | enaaoscpcfC1.b1 | Suspect |
D160427.7 | ENA/C1 - Reprocessed and Corrected: Slightly incorrect location fields | enacsphotaotC1.a1 | Note |
D161025.6 | ENA/AOS/C1 - Instrument mentors working at the site | enaaoscpcfC1.a1 | Suspect |
D170621.9 | ENA/CPC/C1 - Clogged nozzle | enaaoscpcfC1.b1 | Missing |
D170706.1 | ENA/CCN/CPC/HTDMA/NEPHELOMETER/UHSAS/C1 - Personnel on site troubleshooting | enaaoscpcfC1.a1 | Suspect |
D170616.2 | ENA/CPC/C1 - Data dropping out from clogged nozzle | enaaoscpcfC1.b1 | Suspect |
D160909.20 | ENA/AOS/C1 - Flow problem affecting concentrations | enaaoscpcfC1.a1 | Incorrect |
D170621.8 | ENA/CPC/C1 - Material in the instrument nozzle | enaaoscpcfC1.a1 | Incorrect |
D170320.2 | ENA/CPC/C1 - Changes to upstream plumbing, may not have been sampling ambient. | enaaoscpcfC1.b1 | Incorrect |
D170523.7 | ENA/AOS/C1 - Maintenance and calibration | enaaospsap3w1sC1.b1 | Suspect |
D170303.12 | ENA/AOS/C1 - Dry air supply intermittently not working | enaaosuhsasC1.01 | Note |
D160701.3 | ENA/AOS/C1 - incorrect data | enaaoscpcfC1.b1 | Incorrect |
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
2016-08-24 | 09:00:00 | 2016-08-29 | 08:31:59 | Suspect |
Subject: | ENA/CPC/C1 - New pump slightly under pressure |
---|---|
Affected Datastreams: | enaaoscpcfC1.b1 |
Description | Due to a pump failure, a different pump was used on the system. The orifice pressure was lower with this additional pump and the system may have been slightly under the pressure required to maintain critical flow on the CPC's critical orifice. Flow rate measurements during this time show very little change in the output flow rate. |
Measurements |
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
2013-09-29 | 09:41:53 | 2016-04-30 | 23:59:59 | Note |
Subject: | ENA/C1 - Reprocessed and Corrected: Slightly incorrect location fields |
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Affected Datastreams: | enacsphotaotC1.a1 |
Description | DATA REPROCESSED and CORRECTED: Some of the instruments were being processed with the previous "GRW-Azores" lat/lon/alt instead of the new "ENA-Azores" lat/lon/alt. The differences were minor, but have been corrected. GRW (old) lat = 39.0911 ENA lat = 39.0916 GRW (old) lon = -28.0297 ENA lon = -28.0257 GRW (old) alt = 26 ENA alt = 30.48 The data were archived in October 2016. Please retrieve the reprocessed data for use in your analysis. ORIGINAL DQR CATEGORY: Yellow (suspect) REPROCESSED and CORRECTED DATA ARCHIVED:2016-10 REPROCESS IDENTIFICATION NUMBER: RID 1460 --------------------------------------------------- --- ORIGINAL DQR DESCRIPTION --- --------------------------------------------------- Some of the instruments are being processed with the previous "GRW-Azores" lat/lon/alt instead of the new "ENA-Azores" lat/lon/alt. The differences are minor, but will be corrected. The respective GRW and ENA lat, lon, and alt values are as follows: GRW lat = 39.0911 ; ENA lat = 39.0916 ; GRW lon = -28.0297 ; ENA lon = -28.0257 ; GRW alt = 26 ; ENA alt = 30.48 ; |
Measurements |
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
2016-09-26 | 08:30:00 | 2016-10-01 | 01:00:00 | Suspect |
Subject: | ENA/AOS/C1 - Instrument mentors working at the site |
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Affected Datastreams: | enaaoscpcfC1.a1 |
Description | Instrument mentors working at the site. Sample lines and electrical connections being reconfigured. Instruments that had no work done on them may still be affected. |
Measurements |
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
2017-06-14 | 13:30:15 | 2017-06-14 | 14:05:29 | Missing |
2017-06-12 | 14:49:40 | 2017-06-12 | 15:40:59 | Missing |
Subject: | ENA/CPC/C1 - Clogged nozzle |
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Affected Datastreams: | enaaoscpcfC1.b1 |
Description | Data missing due to troubleshooting the clogged nozzle problem |
Measurements |
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
2017-06-22 | 07:00:00 | 2017-06-30 | 00:00:00 | Suspect |
Subject: | ENA/CCN/CPC/HTDMA/NEPHELOMETER/UHSAS/C1 - Personnel on site troubleshooting |
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Affected Datastreams: | enaaoscpcfC1.a1 |
Description | FIDO personnel on site troubleshooting and moving instruments and re-configuring sample lines. Some instruments occasionally on cabin air. |
Measurements |
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
2017-06-04 | 00:00:00 | 2017-06-05 | 08:09:59 | Suspect |
Subject: | ENA/CPC/C1 - Data dropping out from clogged nozzle |
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Affected Datastreams: | enaaoscpcfC1.b1 |
Description | An evaluation of another CPC at the site shows a deviation between the instrument data began around this time. |
Measurements |
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
2016-09-08 | 00:35:00 | 2016-09-08 | 15:01:59 | Incorrect |
Subject: | ENA/AOS/C1 - Flow problem affecting concentrations |
---|---|
Affected Datastreams: | enaaoscpcfC1.a1 |
Description | Due to a flow problem with another instrument on the same sample line, the concentrations reported by the CPC are not representative of the atmospheric concentration of particles |
Measurements |
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
2017-06-05 | 08:10:00 | 2017-06-14 | 14:25:19 | Incorrect |
Subject: | ENA/CPC/C1 - Material in the instrument nozzle |
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Affected Datastreams: | enaaoscpcfC1.a1 |
Description | During this period the concentration declined steadily and then went to zero. It was later found that material was in the instrument surrounding the nozzle. |
Measurements |
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
2017-02-22 | 17:40:00 | 2017-02-22 | 19:58:59 | Incorrect |
Subject: | ENA/CPC/C1 - Changes to upstream plumbing, may not have been sampling ambient. |
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Affected Datastreams: | enaaoscpcfC1.b1 |
Description | During this time period, changes were being made to upstream plumbing (i.e. the impactor). The cpcf may not have been receiving all sample flow from the ambient during this time period. |
Measurements |
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
2017-05-23 | 09:00:00 | 2017-05-30 | 12:00:00 | Suspect |
Subject: | ENA/AOS/C1 - Maintenance and calibration |
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Affected Datastreams: | enaaospsap3w1sC1.b1 |
Description | Mentors are on site performing maintenance and calibration of AOS instruments. Data are suspect during this work. |
Measurements |
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
2016-06-20 | 00:00:00 | 2017-03-03 | 00:00:00 | Note |
Subject: | ENA/AOS/C1 - Dry air supply intermittently not working |
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Affected Datastreams: | enaaosuhsasC1.01 |
Description | Pentras dry air supply intermittently not working. Dry air missing for the humidigraph and the HT-DMA. Dry air supply for those instruments partially replaced by regular undried compressed air, lowering the delivery pressure. No direct effect on other instruments seen. |
Measurements |
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
2016-06-20 | 18:20:00 | 2016-06-21 | 08:35:00 | Incorrect |
Subject: | ENA/AOS/C1 - incorrect data |
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Affected Datastreams: | enaaoscpcfC1.b1 |
Description | During a measurement of the inlet flow rate, the cpcf inlet became plugged and the instrument was flooded with butanol. After removing the butanol and allowing the system to dry, the cpc returned to normal operation. |
Measurements |
|