DQR ID | Subject | Data Streams Affected |
---|---|---|
D010713.29 | SGP/SMOS/E15 - E15 SMOS Wind speed data incorrect | sgp1smosE15.a0, sgp30smosE15.a1 |
D010713.31 | SGP/SMOS/E15 - E15 SMOS All data values missing | sgp1smosE15.a0, sgp30smosE15.a1 |
D010726.26 | SGP/SMOS/E15 - E15 SMOS DATA STREAMS MISSING | sgp1smosE15.a0, sgp30smosE15.a1, sgp1440smosE15.a0 |
D010726.28 | SGP/SMOS/E15 - E15 SMOS ALL DATA VALUES OFF SCALE | sgp1smosE15.a0, sgp30smosE15.a1 |
D010726.6 | SGP/SMOS/E15 - E15 SMOS ALL DATA MISSING | sgp1smosE15.a0, sgp30smosE15.a1, sgp1440smosE15.a0 |
D020615.2 | SGP/SMOS/E15 - Reprocess: Wind speed calibrations | sgp1smosE15.a0, sgp30smosE15.a1 |
D020620.23 | SGP/SMOS/E15 - Tower lowered for work on instrumentation | sgp1smosE15.a0, sgp30smosE15.a1 |
D040318.14 | SGP/SMOS/E15 - 6-month Calibration Checks | sgp1smosE15.a0, sgp30smosE15.a1, sgp1440smosE15.a0 |
D941024.3 | SGP/SMOS/E15 - Tower lowered for work on instrumentation | sgp1smosE15.a0, sgp30smosE15.a1 |
D950808.1 | SGP/SMOS/E15 - RH sensor failed | sgp1smosE15.a0, sgp30smosE15.a1, sgp1440smosE15.a0 |
D951101.6 | SGP/SMOS/E15 - Incorrect data | sgp1smosE15.a0, sgp30smosE15.a1 |
D960507.1 | SGP/SMOS/E15 - Bad Data | sgp1smosE15.a0, sgp30smosE15.a1 |
D960507.2 | SGP/SMOS/E15 - Bad data | sgp1smosE15.a0, sgp30smosE15.a1 |
D960507.3 | SGP/SMOS/E15 - Bad data | sgp1smosE15.a0, sgp30smosE15.a1, sgp1440smosE15.a0 |
D960523.15 | SGP/SMOS/E15 - T/RH probe cable damaged | sgp1smosE15.a0, sgp30smosE15.a1 |
D960523.16 | SGP/SMOS/E15 - Down to recheck Wind Monitor and replace T/RH probe | sgp1smosE15.a0, sgp30smosE15.a1 |
D960911.3 | SGP/SMOS/E15 - Questionable or incorrect RH data | sgp1smosE15.a0, sgp30smosE15.a1, sgp1440smosE13.a0 |
Start Date | Start Time | End Date | End Time |
---|---|---|---|
01/28/2001 | 0409 | 01/29/2001 | 1608 |
Subject: | SGP/SMOS/E15 - E15 SMOS Wind speed data incorrect |
DataStreams: | sgp1smosE15.a0, sgp30smosE15.a1 |
Description: | Wind speed sensor had ice accumulation, causing data to be incorrect. |
Measurements: | sgp30smosE15.a1:
sgp1smosE15.a0:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
01/28/2001 | 0611 | 01/29/2001 | 1531 |
Subject: | SGP/SMOS/E15 - E15 SMOS All data values missing |
DataStreams: | sgp1smosE15.a0, sgp30smosE15.a1 |
Description: | All data values missing for the time period. Unknown cause but suspect pwer failure. |
Measurements: | sgp30smosE15.a1:
sgp1smosE15.a0:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
03/05/2001 | 0354 | 03/06/2001 | 0601 |
Subject: | SGP/SMOS/E15 - E15 SMOS DATA STREAMS MISSING |
DataStreams: | sgp1smosE15.a0, sgp30smosE15.a1, sgp1440smosE15.a0 |
Description: | All data streams missing. Reason unknown. |
Measurements: | sgp30smosE15.a1:
sgp1440smosE15.a0:
sgp1smosE15.a0:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
03/06/2001 | 1638 | 03/06/2001 | 1934 |
Subject: | SGP/SMOS/E15 - E15 SMOS ALL DATA VALUES OFF SCALE |
DataStreams: | sgp1smosE15.a0, sgp30smosE15.a1 |
Description: | All data values off scale during routine maintenance. |
Measurements: | sgp30smosE15.a1:
sgp1smosE15.a0:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
02/26/2001 | 0116 | 02/27/2001 | 0531 |
Subject: | SGP/SMOS/E15 - E15 SMOS ALL DATA MISSING |
DataStreams: | sgp1smosE15.a0, sgp30smosE15.a1, sgp1440smosE15.a0 |
Description: | All data streams missing. Reason unknown. |
Measurements: | sgp30smosE15.a1:
sgp1440smosE15.a0:
sgp1smosE15.a0:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
07/13/1993 | 1401 | 08/24/1993 | 1530 |
Subject: | SGP/SMOS/E15 - Reprocess: Wind speed calibrations |
DataStreams: | sgp1smosE15.a0, sgp30smosE15.a1 |
Description: | EDITOR'S NOTE: The earliest portion of the period of time covered by this DQR occurred prior to the begin date of regular ARM data. Those data are not readily available from the ARM Archive but are available by special request. The actual period of time covered by this DQR is 930401-930824.1530. Practically all of the information in this DQR is derived from P930723.1 and C930830.1, both of which were submitted by Dick Hart. The calibrations initially used for wind speeds on SMOS systems at Coldwater (E8), Ashton (E9), the central faciality (E13), Ringwood (E15), and Meeker (E20) were originally "generic"values, but analysis of the N.I.S.T traceable calibration data reveals that use of these "generic" calibrations produces data with insufficient accuracy. The calibrations for the wind speed sensor associated with the instrument must be used in the datalogger program in order to obtain data with a 1% uncertainty. For the worst case, one wind speed sensor underestimates the wind speed by 1.1 m/s at 30 m/s when the "generic" calibration is used. This is on top of the 1% calibration uncertainty. No unreported data loss occurred as a result of this calibration question, but users of the data should adjust the wind speed values before analysis involving these wind speed values. |
Measurements: | sgp30smosE15.a1:
sgp1smosE15.a0:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
10/20/1994 | 1600 | 10/20/1994 | 1730 |
Subject: | SGP/SMOS/E15 - Tower lowered for work on instrumentation |
DataStreams: | sgp1smosE15.a0, sgp30smosE15.a1 |
Description: | Due to tower being lowered to work on instrumentation, all wind data taken between 1600 and 1730 GMT on 20 OCT 94 are incorrect. |
Measurements: | sgp30smosE15.a1:
sgp1smosE15.a0:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
06/14/1994 | 1445 | 06/14/1994 | 1645 |
11/21/1994 | 1632 | 11/21/1994 | 1832 |
04/24/1995 | 1640 | 04/24/1995 | 1900 |
10/10/1995 | 1600 | 10/10/1995 | 2050 |
04/23/1996 | 1724 | 04/23/1996 | 1830 |
11/05/1996 | 1645 | 11/05/1996 | 1930 |
04/22/1997 | 1528 | 04/22/1997 | 1800 |
05/05/1998 | 1412 | 05/05/1998 | 1612 |
12/03/1998 | 1640 | 12/03/1998 | 1655 |
04/20/1999 | 1500 | 04/20/1999 | 1755 |
10/05/1999 | 1545 | 10/05/1999 | 1615 |
04/18/2000 | 1500 | 04/18/2000 | 1540 |
10/17/2000 | 1515 | 10/17/2000 | 1705 |
Subject: | SGP/SMOS/E15 - 6-month Calibration Checks |
DataStreams: | sgp1smosE15.a0, sgp30smosE15.a1, sgp1440smosE15.a0 |
Description: | During the time periods specified, the SMOS.E15 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. |
Measurements: | sgp30smosE15.a1:
sgp1440smosE15.a0:
sgp1smosE15.a0:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
10/20/1994 | 1600 | 10/20/1994 | 1730 |
Subject: | SGP/SMOS/E15 - Tower lowered for work on instrumentation |
DataStreams: | sgp1smosE15.a0, sgp30smosE15.a1 |
Description: | Due to tower being lowered to work on instrumentation, all temperature and humidity data taken between 1600 and 1730 GMT on 20 OCT 94 are questionable. |
Measurements: | sgp30smosE15.a1:
sgp1smosE15.a0:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
07/04/1995 | 0135 | 07/31/1995 | 1610 |
Subject: | SGP/SMOS/E15 - RH sensor failed |
DataStreams: | sgp1smosE15.a0, sgp30smosE15.a1, sgp1440smosE15.a0 |
Description: | RH sensor failed, most RH and vapor pressure readings questionable. |
Measurements: | sgp30smosE15.a1:
sgp1440smosE15.a0:
sgp1smosE15.a0:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
10/10/1995 | 2030 | 10/10/1995 | 2100 |
Subject: | SGP/SMOS/E15 - Incorrect data |
DataStreams: | sgp1smosE15.a0, sgp30smosE15.a1 |
Description: | Temperature, Humidity, Pressure, and Snow Depth data incorrect. Cause unknown. |
Measurements: | sgp30smosE15.a1:
sgp1smosE15.a0:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
04/19/1996 | 0105 | 04/19/1996 | 0300 |
Subject: | SGP/SMOS/E15 - Bad Data |
DataStreams: | sgp1smosE15.a0, sgp30smosE15.a1 |
Description: | All temperature, humidity, and snow depth data taken during this period are incorrect. There are no entries in the Site Operations log which can explain the bad data, therefore, the cause is unknown. |
Measurements: | sgp30smosE15.a1:
sgp1smosE15.a0:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
04/19/1996 | 2235 | 04/20/1996 | 0100 |
Subject: | SGP/SMOS/E15 - Bad data |
DataStreams: | sgp1smosE15.a0, sgp30smosE15.a1 |
Description: | All temperature, humidity, and snow depth data taken during this period are incorrect. There are no entries in the Site Operations log which can explain the bad data, therefore, the cause is unknown. |
Measurements: | sgp30smosE15.a1:
sgp1smosE15.a0:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
04/28/1996 | 1135 | 04/28/1996 | 2300 |
Subject: | SGP/SMOS/E15 - Bad data |
DataStreams: | sgp1smosE15.a0, sgp30smosE15.a1, sgp1440smosE15.a0 |
Description: | All temperature and vapor pressure data taken during this period are incorrect. There are no entries in the Site Operations log which can explain the bad data, therefore, the cause is unknown. |
Measurements: | sgp30smosE15.a1:
sgp1440smosE15.a0:
sgp1smosE15.a0:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
05/05/1996 | 1105 | 05/05/1996 | 1400 |
Subject: | SGP/SMOS/E15 - T/RH probe cable damaged |
DataStreams: | sgp1smosE15.a0, sgp30smosE15.a1 |
Description: | All temperature and vapor pressure data taken at SMOS E15 on 5 MAY 96 between 1105 and 1400 GMT are incorrect. All other data are OK. Site Operations personel found the T/RH probe cable damaged and replaced the probe and cable on 7 MAY 96. |
Measurements: | sgp30smosE15.a1:
sgp1smosE15.a0:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
05/07/1996 | 1802 | 05/07/1996 | 1900 |
Subject: | SGP/SMOS/E15 - Down to recheck Wind Monitor and replace T/RH probe |
DataStreams: | sgp1smosE15.a0, sgp30smosE15.a1 |
Description: | SMOS E15 was down on 7 MAY 96 between 1802 and 1900 GMT to recheck the Wind Monitor and replace the T/RH probe. All data taken during this period except rainfall and barometric pressure are incorrect. |
Measurements: | sgp30smosE15.a1:
sgp1smosE15.a0:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
05/17/1996 | 0000 | 08/15/1996 | 1630 |
Subject: | SGP/SMOS/E15 - Questionable or incorrect RH data |
DataStreams: | sgp1smosE15.a0, sgp30smosE15.a1, sgp1440smosE13.a0 |
Description: | The values of humidity data taken by SMOS E15 started to drift downwards starting on approximately 17 MAY 96 and continued to drift downwards until the probe was replace on 15 AUG 96 at 1630 GMT. |
Measurements: | sgp30smosE15.a1:
sgp1440smosE13.a0:
sgp1smosE15.a0:
|