DQR ID | Subject | Data Streams Affected |
---|
D021211.10 | NSA/GNDRAD/C1 - Unreasonable/missing PIR data due to maintenance | nsagndrad60sC1.a1 |
D021211.11 | NSA/GNDRAD/C1 - Noisy PIR Data | nsagndrad60sC1.a1 |
D021211.12 | NSA/GNDRAD/C1 - Noisy PIR Data | nsagndrad60sC1.a1, nsagndrad60sC1.b1 |
D021211.13 | NSA/GNDRAD/C1 - PIR1 Calibration problems resulted in small error | nsagndrad60sC1.a1 |
D021211.2 | NSA/GNDRAD/C1 - IRT instrument maintenance | nsagndrad60sC1.a1, nsagndrad60sC1.b1 |
D021211.6 | NSA/GNDRAD/C1 - IRT data noisy | nsagndrad60sC1.a1, nsagndrad60sC1.b1 |
D021211.8 | NSA/GNDRAD/C1 - PIR offline | nsagndrad60sC1.a1 |
D021211.9 | NSA/GNDRAD/C1 - Instrument maintenance | nsagndrad60sC1.a1 |
D021212.1 | NSA/GNDRAD/C1 - Instrument Maintenance | nsagndrad60sC1.a1, nsagndrad60sC1.b1 |
D021212.10 | NSA/GNDRAD/C1 - Unreasonable PSP Data | nsagndrad60sC1.a1, nsagndrad60sC1.b1 |
D021212.2 | NSA/GNDRAD/C1 - PSP erroneously replaced by B&W | nsagndrad60sC1.a1, nsagndrad60sC1.b1 |
D021212.3 | NSA/GNDRAD/C1 - Instrument maintenance | nsagndrad60sC1.a1, nsagndrad60sC1.b1 |
D021212.4 | NSA/GNDRAD/C1 - Bad calibrations applied | nsagndrad60sC1.a1, nsagndrad60sC1.b1 |
D021212.5 | NSA/GNDRAD/C1 - Bad PSP calibrations applied | nsagndrad60sC1.a1 |
D021212.6 | NSA/GNDRAD/C1 - Unexplained decrease in PSP and NET data values | nsagndrad60sC1.a1, nsagndrad60sC1.b1 |
D021212.7 | NSA/GNDRAD/C1 - Data corrupted by brief spike | nsagndrad60sC1.a1, nsagndrad60sC1.b1 |
D021212.8 | NSA/GNDRAD/C1 - Rad instruments shaded by shelter | nsagndrad60sC1.a1, nsagndrad60sC1.b1 |
D021212.9 | NSA/GNDRAD/C1 - PSP Data corrupted by brief spike | nsagndrad60sC1.a1, nsagndrad60sC1.b1 |
D030301.1 | NSA/GNDRAD/C1 - No power to IRT | nsagndrad60sC1.a1, nsagndrad60sC1.b1 |
D031216.1 | NSA/GNDRAD/C1 - IRT cable failure | nsagndrad60sC1.b1 |
D031216.2 | NSA/GNDRAD/C1 - IRT returned to vendor | nsagndrad60sC1.b1 |
D040919.1 | NSA/GNDRAD/C1 - IRT power failure | nsagndrad60sC1.b1 |
D041013.3 | NSA/GNDRAD/C1 - Frosting/Condensation | nsagndradC1.00, nsagndrad20sC1.a1, nsagndrad60sC1.b1 |
D050825.3 | NSA/GNDRAD/C1 - Power Disconnected Briefly | nsagndrad60sC1.b1 |
D060209.4 | NSA/GNDRAD/C1 - power outage affecting some GNDRAD sensors | nsagndradC1.00, nsagndrad20sC1.a0, nsagndrad60sC1.b1 |
D060630.39 | NSA/GNDRAD/C1 - Reprocess: Longwave Calibration error | nsagndrad60sC1.b1 |
D060824.1 | NSA/GNDRAD/C1 - Incorrect calibration coefficients | nsagndradC1.00, nsagndrad20sC1.a0, nsagndrad20sC1.a1, nsagndrad60sC1.b1 |
D990924.1 | NSA/GNDRAD/C1 - IRT insufficiently heated | nsagndrad60sC1.a1 |
Subject: | NSA/GNDRAD/C1 - Data corrupted by brief spike |
DataStreams: | nsagndrad60sC1.a1, nsagndrad60sC1.b1
|
Description: | There is a unreasonable spike at this time. Simultaneous spikes on the NET, the PSP, and
the PIR. Cause unknown, but most likely related to data logger. |
Measurements: | nsagndrad60sC1.b1: - Net Radiation(net)
- PSP1 unshaded mean(psp1_mean)
- Net Radiation, Standard Deviation(net_std)
- Net Radiation, Maxima(net_max)
- PSP1 unshaded maximum(psp1_max)
- NET mean(net_mean)
- PSP1 unshaded standard deviation(psp1_sd)
- NET standard deviation(net_sd)
- PIR1 unshaded mean(pir1_mean)
- PIR1 unshaded standard deviation(pir1_sd)
- PIR1 unshaded minimum(pir1_min)
- Net Radiation, Minima(net_min)
- PIR1 unshaded maximum(pir1_max)
- PSP1 unshaded minimum(psp1_min)
nsagndrad60sC1.a1: - PSP1 unshaded maximum(psp1_max)
- PIR1 unshaded standard deviation(pir1_sd)
- PIR1 unshaded maximum(pir1_max)
- Net Radiation, Minima(net_min)
- PIR1 unshaded minimum(pir1_min)
- NET standard deviation(net_sd)
- Net Radiation, Maxima(net_max)
- NET mean(net_mean)
- PIR1 unshaded mean(pir1_mean)
- Net Radiation(net)
- Net Radiation, Standard Deviation(net_std)
- PSP1 unshaded mean(psp1_mean)
- PSP1 unshaded minimum(psp1_min)
- PSP1 unshaded standard deviation(psp1_sd)
|
Subject: | NSA/GNDRAD/C1 - Frosting/Condensation |
DataStreams: | nsagndradC1.00, nsagndrad20sC1.a1, nsagndrad60sC1.b1
|
Description: | The GNDRAD PIR and IRT comparison was showing the IRT 2-4 W/m^2 greater than the PIR.
Suspected snow or frost on the instrument(s). Corrective maintenance performed 10/15/04 at
21:30 UT. Optics of both instruments were cleaned. Upwelling longwave measurement
agreement restored (+/- 5 W/^2).
Although the relative performance (agreement) of the two instruments improved after
corrective maintenance (+/- 2 W/m^2), no correction is suggested because the agreement remains
with the estimated measurement uncertainty of +/- 4 W/m^2 (IRT) and +/-10 W/m^2 (Inverted
PIR) |
Measurements: | nsagndradC1.00: - Raw data stream - documentation not supported(Raw data stream - documentation not supported)
nsagndrad60sC1.b1: - Upwelling (10 meter) Longwave Hemispheric Irradiance, Ventilated Pyrgeometer,
Standard Deviation(up_long_hemisp_std) - Net Radiation, Standard Deviation(net_std)
- Upwelling (10 meter) Longwave Hemispheric Irradiance, Ventilated Pyrgeometer,
Minima(up_long_hemisp_min) - Surface Infra-Red Temperature Maxima(sfc_ir_temp_max)
- Effective Surface (Skin) Temperature(sfc_ir_temp)
- Surface Infra-Red Temperature Minima(sfc_ir_temp_min)
- Upwelling (10 meter) Longwave Hemispheric Irradiance, Ventilated Pyrgeometer,
Maxima(up_long_hemisp_max) - Upwelling (10 meter) Longwave Hemispheric Irradiance, Ventilated Pyrgeometer(up_long_hemisp)
- Surface Infra-Red Temperature, Standard Deviation(sfc_ir_temp_std)
nsagndrad20sC1.a1: - Instantaneous Upwelling Pyrgeometer Dome Thermistor Resistance, Pyrgeometer(inst_up_long_dome_resist)
- Instantaneous Upwelling Pyrgeometer Case Thermistor Resistance, Pyrgeometer(inst_up_long_case_resist)
- Instantaneous Upwelling Pyrgeometer Thermopile Voltage, Pyrgeometer(inst_up_long_hemisp_tp)
- Instantaneous PIR1 uncorrected irradiance(pir1_voltage)
- Instantaneous PIR1 dome thermistor(pir1_dome_therm)
- Instantaneous PIR1 case thermistor(pir1_case_therm)
|
Subject: | NSA/GNDRAD/C1 - power outage affecting some GNDRAD sensors |
DataStreams: | nsagndradC1.00, nsagndrad20sC1.a0, nsagndrad60sC1.b1
|
Description: | During the power outage the upwelling global measurement from the PSP instrument shows a
slight increase from -5 to +0 W/m2. This is due to removal of thermal offsets induced by
the AC heater during the power outage. This heater is installed within the PSP
ventilator - it is necessary for the NSA/C1 climate.
The upwelling longwave PIR instrument is unaffected due to case and dome temperature
corrections.
The IRT is AC powered and was not operational during this time period. |
Measurements: | nsagndradC1.00: - Raw data stream - documentation not supported(Raw data stream - documentation not supported)
nsagndrad20sC1.a0: - Instantaneous Surface Infra-Red Signal(inst_sfc_ir_signal)
nsagndrad60sC1.b1: - Upwelling (10 meter) Shortwave Hemispheric Irradiance, Ventilated Pyranometer,
Maxima(up_short_hemisp_max) - Upwelling (10 meter) Shortwave Hemispheric Irradiance, Ventilated Pyranometer,
Minima(up_short_hemisp_min) - Surface Infra-Red Temperature Maxima(sfc_ir_temp_max)
- Surface Infra-Red Temperature Minima(sfc_ir_temp_min)
- Effective Surface (Skin) Temperature(sfc_ir_temp)
- Upwelling (10 meter) Shortwave Hemispheric Irradiance, Ventilated Pyranometer,
Standard Deviation(up_short_hemisp_std) - Upwelling (10 meter) Shortwave Hemispheric Irradiance, Ventilated Pyranometer(up_short_hemisp)
- Surface Infra-Red Temperature, Standard Deviation(sfc_ir_temp_std)
|
Subject: | NSA/GNDRAD/C1 - Incorrect calibration coefficients |
DataStreams: | nsagndradC1.00, nsagndrad20sC1.a0, nsagndrad20sC1.a1, nsagndrad60sC1.b1
|
Description: | BarrowC1, Gndrad. On Aug 11th the PSP-US was changed out and the Campbell program was
changed to reflect this. However, an old program that uses the 4 coefficient PIR cal factors
was used. The PIR-UIR was not changed out, however, the logger program coeffs reverted
back to the 4 Coeffcients. The Eppley PIR-UIR coefficients for this S/N 30168F3 are :
K0=0.0, K1(aka k)=.25253, K2= 1.0, K3=-4, Kr=0.0. |
Measurements: | nsagndradC1.00: - Raw data stream - documentation not supported(Raw data stream - documentation not supported)
nsagndrad20sC1.a0: - Instantaneous Upwelling Pyrgeometer Case Thermistor Resistance, Pyrgeometer(inst_up_long_case_resist)
- Instantaneous Upwelling Pyrgeometer Thermopile Voltage, Pyrgeometer(inst_up_long_hemisp_tp)
- Instantaneous Upwelling Pyrgeometer Dome Thermistor Resistance, Pyrgeometer(inst_up_long_dome_resist)
nsagndrad60sC1.b1: - Upwelling (10 meter) Longwave Hemispheric Irradiance, Ventilated Pyrgeometer,
Standard Deviation(up_long_hemisp_std) - NET mean(net_mean)
- NET standard deviation(net_sd)
- PIR1 unshaded standard deviation(pir1_sd)
- PIR1 unshaded mean(pir1_mean)
- Net Radiation, Standard Deviation(net_std)
- Upwelling (10 meter) Longwave Hemispheric Irradiance, Ventilated Pyrgeometer,
Minima(up_long_hemisp_min) - PIR1 unshaded minimum(pir1_min)
- Net Radiation, Minima(net_min)
- PIR1 unshaded maximum(pir1_max)
- Upwelling (10 meter) Longwave Hemispheric Irradiance, Ventilated Pyrgeometer,
Maxima(up_long_hemisp_max) - Upwelling (10 meter) Longwave Hemispheric Irradiance, Ventilated Pyrgeometer(up_long_hemisp)
- Net Radiation, Maxima(net_max)
nsagndrad20sC1.a1: - Instantaneous Upwelling Pyrgeometer Dome Thermistor Resistance, Pyrgeometer(inst_up_long_dome_resist)
- Instantaneous Upwelling Pyrgeometer Case Thermistor Resistance, Pyrgeometer(inst_up_long_case_resist)
- Instantaneous Upwelling Pyrgeometer Thermopile Voltage, Pyrgeometer(inst_up_long_hemisp_tp)
- Instantaneous PIR1 uncorrected irradiance(pir1_voltage)
- Instantaneous PIR1 dome thermistor(pir1_dome_therm)
- Instantaneous PIR1 case thermistor(pir1_case_therm)
|