| DQR ID | Subject | Data Streams Affected | Data Quality Metric |
|---|---|---|---|
| D040608.2 | SGP/BRS/C1 - NIP sensor failure | sgpbrsC1.00 | Missing |
| D050322.1 | SGP/BRS/C1 - low downwelling shortwave readings | sgpbrsC1.00 | Suspect |
| Start Date | Start Time | End Date | End Time | Data Quality Metric |
|---|---|---|---|---|
| 06/02/2004 | 1734 | 06/15/2004 | 2010 | Missing |
| Subject: | SGP/BRS/C1 - NIP sensor failure |
| DataStreams: | sgpbrsC1.00 |
| Description: | Normal incidence values of downwelling shortwave radiation were
reported as -9999 (missing). The NIP instrument was damaged by
lightning in the area near the time of failure. |
| Measurements: | sgpbrsC1.00:
|
| Start Date | Start Time | End Date | End Time | Data Quality Metric |
|---|---|---|---|---|
| 04/18/2003 | 0000 | 12/17/2004 | 2030 | Suspect |
| Subject: | SGP/BRS/C1 - low downwelling shortwave readings |
| DataStreams: | sgpbrsC1.00 |
| Description: | Downwelling shortwave (DS) values frequently drop below -10 W/m^2 at night, and are consistently 20-40 W/m^2 less than the calculated downwelling shortwave during the day in clear-sky conditions. Corrective maintenance on 12/17/2004 corrected this offset. It is not clear which CM action corrected the problem since the DS instrument cable was grounded to a new location and the DS ventilator fan was found in poor condition and was replaced. Either of these issues could have led to the problem observed in this instrument. |
| Measurements: | sgpbrsC1.00:
|