DQR ID | Subject | Data Streams Affected |
---|---|---|
D021113.1 | SGP/EBBR - Incorrect Units for Soil Heat Capacity (cs1, cs2, cs3, cs4, cs5) in 30EBBR Header | sgp30ebbrE12.b1, sgp30ebbrE13.b1, sgp30ebbrE15.b1, sgp30ebbrE18.b1, sgp30ebbrE19.b1, sgp30ebbrE2.b1, sgp30ebbrE20.b1, sgp30ebbrE22.b1, sgp30ebbrE26.b1, sgp30ebbrE4.b1, sgp30ebbrE7.b1, sgp30ebbrE8.b1, sgp30ebbrE9.b1 |
D030712.21 | SGP/EBBR/E20 - 6 Month Checks | sgp15ebbrE20.a1, sgp15ebbrE20.b1, sgp30ebbrE20.a1, sgp30ebbrE20.b1, sgp5ebbrE20.a1 |
D031029.1 | SGP/EBBR/E20 - Fuse Blown in AEM | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
D031029.2 | SGP/EBBR/E20 - Reprocess: Soil Temperature Probe #1 Measurements Spiked | sgp15ebbrE20.b1, sgp30ebbrE20.b1 |
D031031.7 | SGP/EBBR/E20 - Water in Net Radiometer, Surface Fluxes Incorrect | sgp15ebbrE20.a1, sgp15ebbrE20.b1, sgp30ebbrE20.a1, sgp30ebbrE20.b1, sgp5ebbrE20.a1 |
D031204.19 | SGP/EBBR/E20 - 6 Month Checks | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
D031208.5 | SGP/EBBR/E20 - Wind Direction Incorrect | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
D031211.5 | SGP/EBBR/E20 - Pressure Sensor Data Incorrect | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
D031222.20 | SGP/EBBR/E20 - Wind Speed Sensor Frozen By Ice Storm | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
D040304.19 | SGP/EBBR/E20 - Wind Speed Frozen Stopped By Ice | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
D040304.20 | SGP/EBBR/E20 - Wind Direction Frozen Stopped By Ice | sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
D040507.2 | SGP/EBBR/E20 - Left Air Temperature Incorrect | sgp15ebbrE20.b1, sgp30baebbrE20.c1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
D040722.1 | SGP/EBBR/E20 - Wind Direction Stuck at 100 Degrees | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
D040813.2 | SGP/EBBR/E20 - AEM Failure | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
D040915.7 | SGP/EBBR/E20 - Soil Heat Flow #3 and Soil Temperature #3 Incorrect | sgp15ebbrE20.b1, sgp30ebbrE20.b1 |
D041006.3 | SGP/EBBR/E20 - All Soil Measurements Incorrect | sgp15ebbrE20.b1, sgp30ebbrE20.b1 |
D041222.16 | SGP/EBBR/E20 - 6 Month Checks | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
D041222.3 | SGP/EBBR/E20 - Soil Moisture #4 and Soil Temperature #4 Incorrect | sgp15ebbrE20.b1, sgp30ebbrE20.b1 |
D041223.1 | SGP/EBBR/E20 - Soil Heat Flow #4 Incorrect | sgp15ebbrE20.b1, sgp30ebbrE20.b1 |
D050206.14 | SGP/EBBR/E20 - Wind Speed Frozen Stopped By Ice Storm | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
D050207.10 | SGP/EBBR/E20 - Wind Direction Frozen Stopped By Ice Storm | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
D050719.13 | SGP/EBBR/E20 - Improved EBBR CR10 Program | sgp30ebbrE20.b1 |
D051112.7 | SGP/EBBR/E20 - metadata corrections | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
Start Date | Start Time | End Date | End Time |
---|---|---|---|
04/01/2001 | 0000 | 06/18/2003 | 2359 |
Subject: | SGP/EBBR - Incorrect Units for Soil Heat Capacity (cs1, cs2, cs3, cs4, cs5) in 30EBBR |
DataStreams: | sgp30ebbrE12.b1, sgp30ebbrE13.b1, sgp30ebbrE15.b1, sgp30ebbrE18.b1, sgp30ebbrE19.b1, sgp30ebbrE2.b1, sgp30ebbrE20.b1, sgp30ebbrE22.b1, sgp30ebbrE26.b1, sgp30ebbrE4.b1, sgp30ebbrE7.b1, sgp30ebbrE8.b1, sgp30ebbrE9.b1 |
Description: | The units for Soil Heat Capacity (cs1, cs2, cs3, cs4, cs5) in the EBBR 30 minute netcdf header have been incorrect from the beginning of processing the data into netcdf files. The correct units are MJ/m^3/C. This does not affect the data quality. |
Measurements: | sgp30ebbrE8.b1:
sgp30ebbrE4.b1:
sgp30ebbrE9.b1:
sgp30ebbrE18.b1:
sgp30ebbrE26.b1:
sgp30ebbrE13.b1:
sgp30ebbrE7.b1:
sgp30ebbrE12.b1:
sgp30ebbrE19.b1:
sgp30ebbrE20.b1:
sgp30ebbrE22.b1:
sgp30ebbrE2.b1:
sgp30ebbrE15.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
04/16/2003 | 1950 | 04/16/2003 | 2045 |
Subject: | SGP/EBBR/E20 - 6 Month Checks |
DataStreams: | sgp15ebbrE20.a1, sgp15ebbrE20.b1, sgp30ebbrE20.a1, sgp30ebbrE20.b1, sgp5ebbrE20.a1 |
Description: | Many measurements were incorrect while the AEM was positioned with both aspirators at the same height for comparison checks. |
Measurements: | sgp30ebbrE20.b1:
sgp15ebbrE20.b1:
sgp5ebbrE20.a1:
sgp30ebbrE20.a1:
sgp15ebbrE20.a1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
10/15/2003 | 2100 | 10/29/2003 | 2300 |
Subject: | SGP/EBBR/E20 - Fuse Blown in AEM |
DataStreams: | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
Description: | When the EBBR system restarted on 15 Oct. 2003, the AEM malfunctioned. Surface fluxes data during this period are incorrect. |
Measurements: | sgp30ebbrE20.b1:
sgp15ebbrE20.b1:
sgp5ebbrE20.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
09/27/2003 | 1800 | 12/10/2003 | 2230 |
Subject: | SGP/EBBR/E20 - Reprocess: Soil Temperature Probe #1 Measurements Spiked |
DataStreams: | sgp15ebbrE20.b1, sgp30ebbrE20.b1 |
Description: | The soil temperature #1 measurement spiked quite high at times. This affected a number of measurements that are dependent on the soil temperature measurements. |
Measurements: | sgp30ebbrE20.b1:
sgp15ebbrE20.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
09/30/2003 | 0000 | 10/01/2003 | 2100 |
Subject: | SGP/EBBR/E20 - Water in Net Radiometer, Surface Fluxes Incorrect |
DataStreams: | sgp15ebbrE20.a1, sgp15ebbrE20.b1, sgp30ebbrE20.a1, sgp30ebbrE20.b1, sgp5ebbrE20.a1 |
Description: | The net radiometer top dome was punctured by migrating birds. This alone does not cause incorrect net radiation measurements. However, when it subsequently rains, water collects in the bottom dome, causing the net radiation measurements to be too large during the day and too small at night. |
Measurements: | sgp30ebbrE20.b1:
sgp5ebbrE20.a1:
sgp15ebbrE20.b1:
sgp30ebbrE20.a1:
sgp15ebbrE20.a1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
10/29/2003 | 2200 | 10/29/2003 | 2245 |
Subject: | SGP/EBBR/E20 - 6 Month Checks |
DataStreams: | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
Description: | Many measurements were incorrect while the AEM was positioned with both aspirators at the same height for comparison checks. |
Measurements: | sgp30ebbrE20.b1:
sgp15ebbrE20.b1:
sgp5ebbrE20.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
12/03/2003 | 0530 | 12/23/2003 | 2140 |
Subject: | SGP/EBBR/E20 - Wind Direction Incorrect |
DataStreams: | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
Description: | Wind direction is incorrect, reading at or about 0 or 15 to 25 degrees. |
Measurements: | sgp30ebbrE20.b1:
sgp15ebbrE20.b1:
sgp5ebbrE20.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
11/28/2003 | 1430 | 01/21/2004 | 2130 |
Subject: | SGP/EBBR/E20 - Pressure Sensor Data Incorrect |
DataStreams: | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
Description: | The E20 pressure sensor suffered from spikes in pressure, which were related to increases in voltage during the day as the solar panels charged the battery. These spikes were not of a magnitude that would affect the 30 minute surface fluxes. Replacement of the pressure sensor solved the problem. |
Measurements: | sgp30ebbrE20.b1:
sgp15ebbrE20.b1:
sgp5ebbrE20.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
12/13/2003 | 1100 | 12/13/2003 | 1230 |
Subject: | SGP/EBBR/E20 - Wind Speed Sensor Frozen By Ice Storm |
DataStreams: | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
Description: | The wind speed sensor was frozen stopped by ice from a storm. The wind speed and residual wind speed measurements are incorrect. |
Measurements: | sgp30ebbrE20.b1:
sgp15ebbrE20.b1:
sgp5ebbrE20.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
02/02/2004 | 0505 | 02/02/2004 | 1845 |
Subject: | SGP/EBBR/E20 - Wind Speed Frozen Stopped By Ice |
DataStreams: | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
Description: | An ice storm froze the wind speed sensor to a stopped condition. The wind speed and residual wind speed measurements are incorrect. This sensor failure does not affect the sensible and latent heat fluxes. |
Measurements: | sgp30ebbrE20.b1:
sgp15ebbrE20.b1:
sgp5ebbrE20.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
02/02/2004 | 0535 | 02/02/2004 | 1755 |
Subject: | SGP/EBBR/E20 - Wind Direction Frozen Stopped By Ice |
DataStreams: | sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
Description: | The wind direction sensor was frozen stopped by ice from a storm. The wind direction, sigma_wd, and residual wind speed measurements are incorrect. |
Measurements: | sgp30ebbrE20.b1:
sgp5ebbrE20.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
03/01/2004 | 0000 | 03/31/2004 | 2355 |
Subject: | SGP/EBBR/E20 - Left Air Temperature Incorrect |
DataStreams: | sgp15ebbrE20.b1, sgp30baebbrE20.c1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
Description: | The left air temperature, and therefore top and bottom air temperatures were offscale or incorrect on occasion. Bowen ratio, sensible heat flux, and latent heat flux were also incorrect during those times. Inspection of the data is required to detect the incorrect periods. |
Measurements: | sgp30ebbrE20.b1:
sgp15ebbrE20.b1:
sgp5ebbrE20.b1:
sgp30baebbrE20.c1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
07/09/2004 | 1745 | 08/04/2004 | 1915 |
Subject: | SGP/EBBR/E20 - Wind Direction Stuck at 100 Degrees |
DataStreams: | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
Description: | The wind direction sensor was stuck at about 100 degrees. This did not affect the primary measurements (net radiation, soil heat flow, sensible heat flux, latent heat flux). |
Measurements: | sgp30ebbrE20.b1:
sgp15ebbrE20.b1:
sgp5ebbrE20.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
08/03/2004 | 0300 | 09/15/2004 | 2000 |
09/24/2004 | 0700 | 09/29/2004 | 1800 |
Subject: | SGP/EBBR/E20 - AEM Failure |
DataStreams: | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
Description: | The AEM hung inbetween positions; home signals were zero. The AEM fuse kept blowing, most likely because of worn rails or sleeves. This condition may reoccur. |
Measurements: | sgp30ebbrE20.b1:
sgp15ebbrE20.b1:
sgp5ebbrE20.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
09/08/2004 | 2130 | 09/15/2004 | 1930 |
Subject: | SGP/EBBR/E20 - Soil Heat Flow #3 and Soil Temperature #3 Incorrect |
DataStreams: | sgp15ebbrE20.b1, sgp30ebbrE20.b1 |
Description: | |
Measurements: | sgp30ebbrE20.b1:
sgp15ebbrE20.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
09/15/2004 | 1930 | 09/15/2004 | 2030 |
Subject: | SGP/EBBR/E20 - All Soil Measurements Incorrect |
DataStreams: | sgp15ebbrE20.b1, sgp30ebbrE20.b1 |
Description: | All soil measurements were incorrect during the replacement of soil heat flow #3 and soil temperature #3. |
Measurements: | sgp30ebbrE20.b1:
sgp15ebbrE20.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
09/29/2004 | 1730 | 09/29/2004 | 1800 |
Subject: | SGP/EBBR/E20 - 6 Month Checks |
DataStreams: | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
Description: | Many measurements were incorrect while the AEM was positioned with both aspirators at the same height for comparison checks. |
Measurements: | sgp30ebbrE20.b1:
sgp15ebbrE20.b1:
sgp5ebbrE20.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
11/02/2004 | 1330 | 03/02/2005 | 1930 |
Subject: | SGP/EBBR/E20 - Soil Moisture #4 and Soil Temperature #4 Incorrect |
DataStreams: | sgp15ebbrE20.b1, sgp30ebbrE20.b1 |
Description: | Failures of a multiplexer channel and a J-panel channel caused soil temperature #4 and soil moisture #4 to spike and drift at times. Replacement of the failed equipment solved the problem. |
Measurements: | sgp30ebbrE20.b1:
sgp15ebbrE20.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
11/26/2004 | 2100 | 12/08/2004 | 2100 |
Subject: | SGP/EBBR/E20 - Soil Heat Flow #4 Incorrect |
DataStreams: | sgp15ebbrE20.b1, sgp30ebbrE20.b1 |
Description: | Soil Heat Flow #4 was missing or offscale and therefore incorrect during the stated period. |
Measurements: | sgp30ebbrE20.b1:
sgp15ebbrE20.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
01/05/2005 | 1420 | 01/07/2005 | 1650 |
Subject: | SGP/EBBR/E20 - Wind Speed Frozen Stopped By Ice Storm |
DataStreams: | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
Description: | An ice storm froze the wind speed sensor to a stopped condition. The wind speed and residual wind speed measurements are incorrect. This sensor failure does not affect the sensible and latent heat fluxes. |
Measurements: | sgp30ebbrE20.b1:
sgp15ebbrE20.b1:
sgp5ebbrE20.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
01/07/2005 | 0150 | 01/07/2005 | 1425 |
Subject: | SGP/EBBR/E20 - Wind Direction Frozen Stopped By Ice Storm |
DataStreams: | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
Description: | The wind direction sensor was frozen stopped by ice from a storm. The wind direction, sigma_wd, and residual wind speed measurements are incorrect. |
Measurements: | sgp30ebbrE20.b1:
sgp15ebbrE20.b1:
sgp5ebbrE20.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
04/01/2001 | 0000 | 03/30/2005 | 1900 |
Subject: | SGP/EBBR/E20 - Improved EBBR CR10 Program |
DataStreams: | sgp30ebbrE20.b1 |
Description: | Effective 20050330.1900, the EBBR.E20 CR10 program was revised to improve the quality of the primary measurements as follows: 1) An RMS procedure is used to determine max and min limits of acceptable soil heat flow. This is applied to the individual soil sets. Measurements outside the limits are rejected and the measurements within the limits are used to calculate the average soil heat flow. 2) Max and min limits are used to determine incorrect values of net radiation, sensible heat flux (h), latent heat flux (e), and automatic exchange mechanism (AEM) signal. If AEM signal is outside the limits, h and e are set to 999s. If net radiation is outside the limits, h and e are set to 999s. If h or e are outside the limits, h and e are set to 999s. Virtually no incorrect soil measurement will affect the primary measurements of h and e. By setting h and e to 999s, it can be easily seen that the primary variables are incorrect; no other interpretation is possible. Prior to 20050330, the improved CR10 program was NOT in effect. DQRs have been submitted for known instances of incorrect soil measurements which affected the quality of the primary measurements of h and e. Note: the DQR begin date is the begin date of the sgp30ebbrE20.b1 data stream. The earlier version of the CR10 program was also used on previous EBBR datastream names (e.g. sgp30ebbrE20.a1). |
Measurements: | sgp30ebbrE20.b1:
|
Start Date | Start Time | End Date | End Time |
---|---|---|---|
10/15/2003 | 0000 | 07/22/2005 | 2359 |
Subject: | SGP/EBBR/E20 - metadata corrections |
DataStreams: | sgp15ebbrE20.b1, sgp30ebbrE20.b1, sgp5ebbrE20.b1 |
Description: | On 20050723, a series of metadata corrections and additions were completed. These metadata changes apply to all EBBR.E20 data collected by ARM back to the installation of the instrument in April 1993. Please see the current metadata for correct information. These changes do not affect data values or quality. The changes are summarized below: 1) Update of "sensor location" information 2) Addition of installation dates for the systems 3) Correction of soil moisture units (from "by volume" to "gravimetric") |
Measurements: | sgp30ebbrE20.b1:
sgp15ebbrE20.b1:
sgp5ebbrE20.b1:
|