DQR ID | Subject | Data Streams Affected | Data Quality Metric |
---|---|---|---|
D100106.1 | SGP/MET/E9 - Wind Speed Data Incorrect | sgpmetE9.b1 | Incorrect |
D110105.2 | SGP/MET/E11 - Intermittent incorrect windspeed | sgpmetE11.b1 | Suspect |
D110415.2 | SGP/MET/E13 - PWD data incorrect/missing | sgpmetE13.b1 | Incorrect |
D110419.1 | SGP/MET/E13 - Missing PWD data | sgpmetE13.b1 | Missing |
D110524.3 | SGP/MET/E9 - Time-stamp uncertainty | sgpmetE9.b1 | Incorrect |
D110621.1 | SGP/MET/E11 - Wind speed incorrect | sgpmetE11.b1 | Incorrect |
D111114.1 | SGP/MET/E9 - RH probe failure | sgpmetE9.b1 | Incorrect |
D120928.1 | SGP/MET/E13 - Low logger voltage | sgpmetE13.b1 | Suspect |
D140103.2 | SGP/MET/E13 - Ice on wind sensor | sgpmetE13.b1 | Incorrect |
D140108.1 | SGP/MET/E11/E15/E21/E31/E33/E34/E35/E36/E37/E38/E9 - Ice on wind sensors | sgpmetE15.b1, sgpmetE9.b1, sgpmetE11.b1 | Suspect |
D140801.3 | SGP/MET/E9 - Rain gauge clogged | sgpmetE9.b1 | Suspect |
D150311.15 | SGP/MET/E11 - Data logger issue resulted in incorrect data | sgpmetE11.b1 | Incorrect |
D150311.16 | SGP/MET/E11 - Missing data due to hardware problem | sgpmetE11.b1 | Missing |
D150327.1 | SGP/MET/E11 - Collection problem caused missing data | sgpmetE11.b1 | Missing |
D160203.2 | SGP/MET/E9 - False tips in high winds | sgpmetE9.b1 | Does not affect quality |
D160203.3 | SGP/MET/E11 - False tips in high winds | sgpmetE11.b1 | Does not affect quality |
D160203.4 | SGP/MET/E13 - False tips in high winds | sgpmetE13.b1 | Does not affect quality |
D160203.5 | SGP/MET/E15 - False tips in high winds | sgpmetE15.b1 | Does not affect quality |
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
11/25/2009 | 1733 | 12/10/2009 | 2121 | Incorrect |
Subject: | SGP/MET/E9 - Wind Speed Data Incorrect |
DataStreams: | sgpmetE9.b1 |
Description: | Wind speed sensor reference wire became detached. This caused all wind sensor data to report near 0 m/s. |
Measurements: | sgpmetE9.b1:
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
10/20/2010 | 1900 | 11/01/2010 | 1539 | Suspect |
Subject: | SGP/MET/E11 - Intermittent incorrect windspeed |
DataStreams: | sgpmetE11.b1 |
Description: | Starting on 10/20 the wind speed values intermittently flatlined. Site operations reseated cable on 11/1. |
Measurements: | sgpmetE11.b1:
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
01/15/2011 | 1300 | 02/18/2011 | 2200 | Incorrect |
Subject: | SGP/MET/E13 - PWD data incorrect/missing |
DataStreams: | sgpmetE13.b1 |
Description: | Data collection problems during the time period specified resulted in incorrect or missing PWD data. |
Measurements: | sgpmetE13.b1:
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
09/09/2010 | 0000 | 01/10/2011 | 2000 | Missing |
Subject: | SGP/MET/E13 - Missing PWD data |
DataStreams: | sgpmetE13.b1 |
Description: | PWD data were missing due to an accidental reset on the instrument. |
Measurements: | sgpmetE13.b1:
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
05/03/2010 | 0000 | 05/07/2010 | 0215 | Incorrect |
Subject: | SGP/MET/E9 - Time-stamp uncertainty |
DataStreams: | sgpmetE9.b1 |
Description: | Between 20100503 and 20100507 the sgp.E9 instruments (EBBR, MET, SIRS, SWATS) time clocks were drifting outside the allowable +/-3 seconds. During the specified period, the swings ranged from -326 to +637 seconds. |
Measurements: | sgpmetE9.b1:
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
05/14/2011 | 0724 | 05/18/2011 | 0130 | Incorrect |
Subject: | SGP/MET/E11 - Wind speed incorrect |
DataStreams: | sgpmetE11.b1 |
Description: | Starting on 05/14 the wind speed values at E11 intermittently flat-lined. The connections were reseated 5/18. |
Measurements: | sgpmetE11.b1:
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
11/08/2011 | 1550 | 11/09/2011 | 0701 | Incorrect |
Subject: | SGP/MET/E9 - RH probe failure |
DataStreams: | sgpmetE9.b1 |
Description: | The T/RH probe failed. The resulting problem led to very unreasonable values of RH (~160%) which caused the vapor pressure values to also be incorrect. |
Measurements: | sgpmetE9.b1:
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
09/08/2012 | 2052 | 09/16/2012 | 1439 | Suspect |
Subject: | SGP/MET/E13 - Low logger voltage |
DataStreams: | sgpmetE13.b1 |
Description: | Low logger voltage was reported. Low voltage may result in data spikes or dropouts. |
Measurements: | sgpmetE13.b1:
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
12/21/2013 | 1842 | 12/23/2013 | 1940 | Incorrect |
Subject: | SGP/MET/E13 - Ice on wind sensor |
DataStreams: | sgpmetE13.b1 |
Description: | Wind speed and direction are flat-lined due to ice accumulation on the sensor. |
Measurements: | sgpmetE13.b1:
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
12/21/2013 | 0000 | 12/25/2013 | 2359 | Suspect |
Subject: | SGP/MET/E11/E15/E21/E31/E33/E34/E35/E36/E37/E38/E9 - Ice on wind sensors |
DataStreams: | sgpmetE15.b1, sgpmetE9.b1, sgpmetE11.b1 |
Description: | Wind data was affected by ice buildup on the sensors. Data during this period should be used with caution. Exact times of sensor thaw are unknown. |
Measurements: | sgpmetE11.b1:
sgpmetE9.b1:
sgpmetE15.b1:
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
06/02/2014 | 0000 | 06/18/2014 | 1805 | Suspect |
Subject: | SGP/MET/E9 - Rain gauge clogged |
DataStreams: | sgpmetE9.b1 |
Description: | The tipping bucket rain gauge was found to be clogged during bi-weekly maintenance. Precipitation data during this time may be suspect. |
Measurements: | sgpmetE9.b1:
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
02/27/2015 | 1704 | 02/27/2015 | 2100 | Incorrect |
Subject: | SGP/MET/E11 - Data logger issue resulted in incorrect data |
DataStreams: | sgpmetE11.b1 |
Description: | Data logger voltage dropped too low due to a battery problem. This caused incorrect temperature, relative humidity, vapor pressure, and atmospheric pressure data during this time. |
Measurements: | sgpmetE11.b1:
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
02/27/2015 | 2100 | 03/06/2015 | 0338 | Missing |
Subject: | SGP/MET/E11 - Missing data due to hardware problem |
DataStreams: | sgpmetE11.b1 |
Description: | No data available during this period due to a hardware/communication issue. |
Measurements: | sgpmetE11.b1:
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
03/13/2015 | 0411 | 03/13/2015 | 1759 | Missing |
03/11/2015 | 1718 | 03/11/2015 | 1859 | Missing |
03/16/2015 | 0000 | 03/23/2015 | 1644 | Missing |
03/15/2015 | 1421 | 03/15/2015 | 1859 | Missing |
03/14/2015 | 0100 | 03/14/2015 | 2359 | Missing |
Subject: | SGP/MET/E11 - Collection problem caused missing data |
DataStreams: | sgpmetE11.b1 |
Description: | A data collection problem caused periods of missing data for the times indicated. Between 3/16 and 3/23, there are short instances of active data, but these values should be used with discretion. |
Measurements: | sgpmetE11.b1:
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
06/29/1993 | 0000 | 02/01/2016 | 2038 | Does not affect quality |
Subject: | SGP/MET/E9 - False tips in high winds |
DataStreams: | sgpmetE9.b1 |
Description: | The TBRG's were mounted at a height that made them prone to vibrations caused by high winds which may have caused false tips. The end date of this DQR indicates when the rain gauge was lowered to mitigate these effects. Effects on the total precipitation amounts are assumed to be negligible. |
Measurements: | sgpmetE9.b1:
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
06/28/1995 | 0000 | 02/01/2016 | 1725 | Does not affect quality |
Subject: | SGP/MET/E11 - False tips in high winds |
DataStreams: | sgpmetE11.b1 |
Description: | The TBRG's were mounted at a height that made them prone to vibrations caused by high winds which may have caused false tips. The end date of this DQR indicates when the rain gauge was lowered to mitigate these effects. Effects on the total precipitation amounts are assumed to be negligible. |
Measurements: | sgpmetE11.b1:
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
07/21/1993 | 0000 | 01/12/2016 | 1958 | Does not affect quality |
Subject: | SGP/MET/E13 - False tips in high winds |
DataStreams: | sgpmetE13.b1 |
Description: | The TBRG's were mounted at a height that made them prone to vibrations caused by high winds which may have caused false tips. The end date of this DQR indicates when the rain gauge was lowered to mitigate these effects. Effects on the total precipitation amounts are assumed to be negligible. |
Measurements: | sgpmetE13.b1:
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
07/13/1993 | 0000 | 01/15/2016 | 1628 | Does not affect quality |
Subject: | SGP/MET/E15 - False tips in high winds |
DataStreams: | sgpmetE15.b1 |
Description: | The TBRG's were mounted at a height that made them prone to vibrations caused by high winds which may have caused false tips. The end date of this DQR indicates when the rain gauge was lowered to mitigate these effects. Effects on the total precipitation amounts are assumed to be negligible. |
Measurements: | sgpmetE15.b1:
|