| DQR ID | Subject | Data Streams Affected |
|---|---|---|
| D080109.1 | FKB/ECOR/M1 - Flux Data Suspect For Some Wind Directions | fkb30ecorM1.b1 |
| D080313.1 | SGP/ECOR/E24 - Water Vapor Density Incorrect | sgp30ecorE24.b1 |
| D080526.1 | SGP/ECOR/E10 - Incorrect CO2 fluxes | sgp30ecorE10.b1 |
| D080604.2 | SGP/ECOR/E14 - Sensor failure | sgp30ecorE14.b1 |
| D081007.2 | HFE/ECOR/M1 - Sonic failure | hfe30ecorM1.b1 |
| D090122.1 | SGP/ECOR/E21 - Reprocess: 5 hour time offset | sgp30ecorE21.b1 |
| D090217.2 | SGP/ECOR/E5 - Incorrect Sensible and Latent Heat Fluxes | sgp30ecorE5.b1 |
| D090508.1 | GRW/ECOR/M1 - Reprocessed: ECOR Wind direction offset corrected | grw30ecorM1.b1 |
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 03/14/2007 | 1030 | 01/01/2008 | 0700 |
| Subject: | FKB/ECOR/M1 - Flux Data Suspect For Some Wind Directions |
| DataStreams: | fkb30ecorM1.b1 |
| Description: | For some wind directions the horizontal fetch was not representative of the field in which the AMF was located. Therefore, for the wind direction ranges 40-159 and 176-209 degrees, the fluxes are affected by insufficient fetch and surfaces, buildings, and vegetation that are not similar to the local field conditions. |
| Measurements: | fkb30ecorM1.b1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 03/01/2008 | 0000 | 04/12/2008 | 0230 |
| Subject: | SGP/ECOR/E24 - Water Vapor Density Incorrect |
| DataStreams: | sgp30ecorE24.b1 |
| Description: | Mean Water Vapor Density (mean_q) often did not trend well with the co-located SMOS and sometimes jumped downwards approximately 200 to 300 mmol/m^3. Some of the instances were clearly a result of contamination by precipitation, but others were not; the latent heat flux was sometimes affected. It was determined that all instances of this behavior from the beginning of 2008 through the beginning date of this DQR were caused by precipitation/dew/frost. |
| Measurements: | sgp30ecorE24.b1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 05/10/2008 | 1130 | 06/25/2008 | 1500 |
| Subject: | SGP/ECOR/E10 - Incorrect CO2 fluxes |
| DataStreams: | sgp30ecorE10.b1 |
| Description: | The analog CO2 signal from the LI-7500 to the sonic anemometer became very noisy and incorrect CO2 fluxes resulted. Sonic anemometer was replaced. |
| Measurements: | sgp30ecorE10.b1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 04/02/2008 | 1330 | 06/05/2008 | 1930 |
| Subject: | SGP/ECOR/E14 - Sensor failure |
| DataStreams: | sgp30ecorE14.b1 |
| Description: | The water vapor output of the LI-7500 was too low, indicating that water vapor leaked into the sensor and that the chemicals are spent or there was an electronic failure. Latent heat flux was not normally affected by this problem. |
| Measurements: | sgp30ecorE14.b1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 10/05/2008 | 0400 | 10/12/2008 | 0230 |
| Subject: | HFE/ECOR/M1 - Sonic failure |
| DataStreams: | hfe30ecorM1.b1 |
| Description: | The sonic datastream were "garbled", possibly associated with a serial line damage to the LI-7500 serial port or the Versalogic SBC serial port. Garbled data condition existed through 10/09/08 0030 GMT followed by missing data through 10/12/08 0230 GMT. |
| Measurements: | hfe30ecorM1.b1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 01/20/2009 | 2030 | 01/22/2009 | 1800 |
| Subject: | SGP/ECOR/E21 - Reprocess: 5 hour time offset |
| DataStreams: | sgp30ecorE21.b1 |
| Description: | The system clock was mistakenly set to DST instead of GMT. All times are 5 hours behind. |
| Measurements: | sgp30ecorE21.b1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 02/16/2009 | 0400 | 04/01/2009 | 1730 |
| 04/06/2009 | 0400 | 04/06/2009 | 1730 |
| 04/24/2009 | 1400 | 04/29/2009 | 2230 |
| Subject: | SGP/ECOR/E5 - Incorrect Sensible and Latent Heat Fluxes |
| DataStreams: | sgp30ecorE5.b1 |
| Description: | Starting at approximately 4:00 GMT on 02/16, the ECOR suffered from the "garbled" data condition, a result of a serial communication failure. All sensible and latent heat flux measurements are incorrect during this condition. |
| Measurements: | sgp30ecorE5.b1:
|
| Start Date | Start Time | End Date | End Time |
|---|---|---|---|
| 04/15/2009 | 1530 | 05/08/2009 | 1830 |
| Subject: | GRW/ECOR/M1 - Reprocessed: ECOR Wind direction offset corrected |
| DataStreams: | grw30ecorM1.b1 |
| Description: | The ECOR sonic anemometer was initially aligned to an east declination instead of a west declination. For the period stated, ECOR wind direction was 21 degrees too high. Data were reprocessed 20090602 and archived 20090619. |
| Measurements: | grw30ecorM1.b1:
|