DQR ID | Subject | Data Streams Affected | Data Quality Metric |
---|---|---|---|
D040217.2 | SGP/CO2FLX/C1 - Reprocessing User Notes | sgp30co2flx60mC1.b1 | Does not affect quality |
D041026.1 | SGP/CO2FLX/C1 - Reprocess: Units | sgp30co2flx60mC1.b1 | Does not affect quality |
D041103.1 | SGP/CO2FLX/C1 - Mean CO2 density incorrect, CO2 flux suspect | sgp30co2flx60mC1.b1 | Incorrect |
D070803.2 | SGP/CO2FLX/C1 - Disturbance around site | sgp30co2flx60mC1.b1 | Incorrect |
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
12/18/2002 | 0000 | 02/17/2004 | 0000 | Does not affect quality |
Subject: | SGP/CO2FLX/C1 - Reprocessing User Notes |
DataStreams: | sgp30co2flx60mC1.b1 |
Description: | Format Changes: To comply with archive standards, the name of the unlimited dimention variable in the cdf level b1 files was changed from 'record' to 'time'. This does not affect data quality. |
Measurements: | sgp30co2flx60mC1.b1:
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
12/18/2002 | 0000 | 10/12/2004 | 2359 | Does not affect quality |
Subject: | SGP/CO2FLX/C1 - Reprocess: Units |
DataStreams: | sgp30co2flx60mC1.b1 |
Description: | Mean CO2 density units are incorrectly labeled as umol m-3. Units should be labeled as mmol m-3. |
Measurements: | sgp30co2flx60mC1.b1:
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
10/13/2004 | 1900 | 10/20/2004 | 1800 | Incorrect |
Subject: | SGP/CO2FLX/C1 - Mean CO2 density incorrect, CO2 flux suspect |
DataStreams: | sgp30co2flx60mC1.b1 |
Description: | A problem was identified with the calibration of the instrument over the time period October 12, 2004 to October 20, 2004. The offset of the instrument is known to be incorrect over this time frame, and a study of the gain of the instrument is underway. |
Measurements: | sgp30co2flx60mC1.b1:
|
Start Date | Start Time | End Date | End Time | Data Quality Metric |
---|---|---|---|---|
07/24/2007 | 1300 | 07/26/2007 | 2359 | Incorrect |
Subject: | SGP/CO2FLX/C1 - Disturbance around site |
DataStreams: | sgp30co2flx60mC1.b1 |
Description: | A bulldozer used to excavate the SGP Tower anchors was right around (within 10 feet) our systems. |
Measurements: | sgp30co2flx60mC1.b1:
|