DQR ID | Subject | Data Streams Affected |
---|---|---|
D040130.3 | SGP/SMOS/E4 - Sensor failure | sgp1440smosE4.b1, sgp1smosE4.b1, sgp30smosE4.b1 |
D040316.3 | SGP/SMOS/E4 - 6-month Calibration Checks | sgp1440smosE4.b1, sgp1smosE4.b1, sgp30smosE4.b1 |
D040427.1 | SGP/SMOS/E4 - RH Sensor failure | sgp1440smosE4.b1, sgp1smosE4.b1, sgp30smosE4.b1 |
D050131.2 | SGP/SMOS/E4 - Ice storm froze wind speed sensor | sgp1440smosE4.b1, sgp1smosE4.b1, sgp30smosE4.b1 |
D050209.3 | SGP/SMOS/E4 - Wind Data Suspect | sgp1440smosE4.b1, sgp1smosE4.b1, sgp30smosE4.b1 |
D050421.10 | SGP/SMOS/E4 - Reprocess: Wind direction offset | sgp1smosE4.b1, sgp30smosE4.b1 |
D080116.3 | SGP/SMOS/E4 - Wind Monitor Data Incorrect Due to Icing | sgp1440smosE4.b1, sgp1smosE4.b1, sgp30smosE4.b1 |
D080306.3 | SGP/SMOS/E4 - Incorrect Offset for Wind Directon | sgp1smosE4.b1, sgp30smosE4.b1 |
D080620.1 | SGP/SMOS/E4 - Missing data | sgp1440smosE4.b1, sgp1smosE4.b1, sgp30smosE4.b1 |
Start Date | Start Time | End Date | End Time |
---|---|---|---|
01/17/2004 | 1545 | 01/19/2004 | 1730 |
Subject: | SGP/SMOS/E4 - Sensor failure |
DataStreams: | sgp1440smosE4.b1, sgp1smosE4.b1, sgp30smosE4.b1 |
Description: | RH values drop to zero during most of the period between 01/17 and 01/19. Sensor was replaced. |
Measurements: | sgp1smosE4.b1:
sgp30smosE4.b1:
sgp1440smosE4.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
10/22/2003 | 1455 | 10/22/2003 | 1655 |
04/21/2004 | 1529 | 04/21/2004 | 1550 |
10/20/2004 | 1515 | 10/20/2004 | 1535 |
04/06/2005 | 1520 | 04/06/2005 | 1600 |
11/17/2005 | 1700 | 11/17/2005 | 1729 |
04/19/2006 | 1553 | 04/19/2006 | 1625 |
10/04/2006 | 1655 | 10/04/2006 | 1745 |
04/04/2007 | 1737 | 04/04/2007 | 1809 |
10/17/2007 | 1652 | 10/17/2007 | 1727 |
Subject: | SGP/SMOS/E4 - 6-month Calibration Checks |
DataStreams: | sgp1440smosE4.b1, sgp1smosE4.b1, sgp30smosE4.b1 |
Description: | During the time periods specified, the SMOS.E4 tower was lowered for 6-month Calibration Checks. During these times wind data are incorrect and temperature and humidity data may be incorrect. Note, exact times when tower was down or maintenance was being performed is sometimes unknown. Users should use the remaining data from these days with caution. Calibration results are available from the OMIS database at http://www.ops.sgp.arm.gov:591/smos6cal/default.htm To view all 6-month calibration reports leave the date time entry blank. |
Measurements: | sgp1smosE4.b1:
sgp1440smosE4.b1:
sgp30smosE4.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
04/22/2004 | 1631 | 05/06/2004 | 1531 |
Subject: | SGP/SMOS/E4 - RH Sensor failure |
DataStreams: | sgp1440smosE4.b1, sgp1smosE4.b1, sgp30smosE4.b1 |
Description: | The RH sensor at this site dropped anomalously to zero on 4/21, and was consistently 25% lower than EBBR RH readings on 4/23. Sensor was replaced 5/6. |
Measurements: | sgp1smosE4.b1:
sgp30smosE4.b1:
sgp1440smosE4.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
01/03/2005 | 1030 | 01/05/2005 | 0202 |
Subject: | SGP/SMOS/E4 - Ice storm froze wind speed sensor |
DataStreams: | sgp1440smosE4.b1, sgp1smosE4.b1, sgp30smosE4.b1 |
Description: | Wind speed sensor frozen or affected by ice storm during the period specified. |
Measurements: | sgp1smosE4.b1:
sgp30smosE4.b1:
sgp1440smosE4.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
01/03/2005 | 0000 | 02/06/2005 | 2359 |
Subject: | SGP/SMOS/E4 - Wind Data Suspect |
DataStreams: | sgp1440smosE4.b1, sgp1smosE4.b1, sgp30smosE4.b1 |
Description: | Wind speed and direction data suspect during time period due to icing. |
Measurements: | sgp1smosE4.b1:
sgp1440smosE4.b1:
sgp30smosE4.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
04/01/2001 | 0000 | 03/09/2005 | 1739 |
Subject: | SGP/SMOS/E4 - Reprocess: Wind direction offset |
DataStreams: | sgp1smosE4.b1, sgp30smosE4.b1 |
Description: | When the SGP.E4 SMOS tower was installed it was not aligned properly resulting in a 7 degree offset. On 3/9/05, the datalogger program was modifed to correct for this offset. |
Measurements: | sgp1smosE4.b1:
sgp30smosE4.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
12/10/2007 | 2324 | 12/11/2007 | 0559 |
Subject: | SGP/SMOS/E4 - Wind Monitor Data Incorrect Due to Icing |
DataStreams: | sgp1440smosE4.b1, sgp1smosE4.b1, sgp30smosE4.b1 |
Description: | An ice storm caused the wind data from the RM Young wind sensor to be incorrect. In many instances it was frozen and unmoving, at times it measured values but those are extremely suspect. |
Measurements: | sgp1smosE4.b1:
sgp1440smosE4.b1:
sgp30smosE4.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
03/09/2005 | 1739 | 02/21/2007 | 1737 |
Subject: | SGP/SMOS/E4 - Incorrect Offset for Wind Directon |
DataStreams: | sgp1smosE4.b1, sgp30smosE4.b1 |
Description: | An incorrect offset of 7 degrees was subtracted from the wind direction to correct for misalignment of the towers to true north. The wind direction data may be corrected but the vector averaged wind speed cannot. Subsequent audits have highlighted problems with past measurements of tower alignments. All corrections to wind direction are being removed and Users are directed to view the Instrument Handbook for a table listing all tower alignment deviations from true north. Users can adjust the data at their discretion. |
Measurements: | sgp1smosE4.b1:
sgp30smosE4.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
10/13/2003 | 0000 | 10/13/2003 | 1230 |
11/08/2003 | 1700 | 11/10/2003 | 0230 |
05/04/2004 | 2000 | 05/06/2004 | 0430 |
12/23/2004 | 1100 | 12/27/2004 | 1530 |
01/05/2005 | 0230 | 01/12/2005 | 0100 |
07/04/2005 | 0100 | 07/13/2005 | 1030 |
12/13/2007 | 1830 | 12/27/2007 | 1730 |
01/13/2008 | 1400 | 01/23/2008 | 1800 |
05/29/2008 | 1700 | 06/12/2008 | 1430 |
Subject: | SGP/SMOS/E4 - Missing data |
DataStreams: | sgp1440smosE4.b1, sgp1smosE4.b1, sgp30smosE4.b1 |
Description: | Data are missing and unrecoverable |
Measurements: | sgp1smosE4.b1:
sgp30smosE4.b1:
sgp1440smosE4.b1:
|