DQR ID | Subject | Data Streams Affected |
---|
D000112.2 | TWP/SKYRAD - Manus PIR-G RGD1,2,3 bad 1999/10/25-2000/01/06 | twpskyradC1.00, twpskyrad20sC1.a1 |
D000705.3 | TWP/SKYRAD/C1 - Shaded vs. unshaded radiometer comparison | twpskyrad20sC1.a1, twpskyrad60sC1.b1 |
D010509.4 | TWP/SKYRAD/C2 - PIR offline for B/W comparison | twpskyrad20sC2.a1, twpskyrad60sC2.a1, twpskyrad60sC2.b1 |
D011205.1 | TWP/SKYRAD/C1 - Solar tracker malfunction | twpskyrad20sC1.a1, twpskyrad60sC1.b1 |
D011207.1 | TWP/SKYRAD/C2 - Solar tracker failure | twpskyrad20sC2.a1, twpskyrad60sC2.a1, twpskyrad60sC2.b1 |
D011211.4 | TWP/SKYRAD/C2 - reprocess: PIR identified as unshaded is really shaded | twpskyrad20sC2.a1 |
D020613.8 | TWP/C2 Installation | twpskyradC2.00, twpskyrad20sC2.a1, twpskyrad60sC2.b1 |
D020814.5 | TWP/SKYRAD/C3 - reprocess: PIR identified as unshaded is really shaded | twpskyrad20sC3.a1 |
D030311.1 | TWP/SKYRAD/C2 - Reprocess: Incorrect UVB Calibration Coefficient | twpskyrad20sC2.a1, twpskyrad60sC2.a1, twpskyrad60sC2.b1 |
D030417.1 | TWP/SKYRAD/C2 - UVB Data questionable/incorrect due to uncontrolled sensor temperature | twpskyrad20sC2.a1, twpskyrad60sC2.a1, twpskyrad60sC2.b1 |
D031007.3 | TWP/SKYRAD/C2 - Incorrect Calibration Coefficients Applied
| twpskyrad20sC2.a1, twpskyrad60sC2.a1 |
D040812.2 | TWP/SKYRAD/C1 - UVB Data questionable/incorrect due to uncontrolled sensor temperature | twpskyrad20sC1.a1, twpskyrad60sC1.b1 |
D040812.3 | TWP/SKYRAD/C2 - UVB Data questionable/incorrect due to uncontrolled sensor temperature | twpskyrad20sC2.a1, twpskyrad60sC2.b1 |
D040812.4 | TWP/SKYRAD/C3 - UVB Data questionable/incorrect due to uncontrolled sensor temperature | twpskyrad20sC3.a1, twpskyrad60sC3.a1, twpskyrad60sC3.b1 |
D040812.5 | TWP/SKYRAD/C3 - UVB Data questionable/incorrect due to uncontrolled sensor temperature | twpskyrad20sC3.a1, twpskyrad60sC3.b1 |
D040813.10 | TWP/SKYRAD/C1 - RESET activities | twpskyrad20sC1.a1, twpskyrad60sC1.b1 |
D990308.4 | TWP/SKYRAD/C1 - Incorrect 20s dome thermistor data | twpskyrad20sC1.a1 |
D990308.5 | TWP/SKYRAD/C2 - Incorrect 20s dome thermistor data | twpskyrad20sC2.a1 |
D990909.2 | Calibration data interruption at TWP Nauru | twpskyradC2.00, twpskyrad20sC2.a1, twpskyrad60sC2.a1, twpskyrad60sC2.b1 |
Subject: | TWP/SKYRAD - Manus PIR-G RGD1,2,3 bad 1999/10/25-2000/01/06 |
DataStreams: | twpskyradC1.00, twpskyrad20sC1.a1
|
Description: | Due to an error in the Manus SKYRAD data logger configuration, the
instantaneous values reported from the PIR-G (unshaded pyrgeometer) dome
thermistor are incorrect. This only affects the instantaneous (10s, 30s
and 50s) data points. The correct values were used in the calculation
of the PIR irradiance. The affected values are obvious, as they are
round -26,000 ohms. The bad data values are RGD1, RGD2 and RGD3, in
columns 11, 12 and 13 of the actual data (starting AFTER the "flags"
column). |
Measurements: | twpskyradC1.00: - Raw data stream - documentation not supported
twpskyrad20sC1.a1:
|
Subject: | TWP/SKYRAD/C1 - Shaded vs. unshaded radiometer comparison |
DataStreams: | twpskyrad20sC1.a1, twpskyrad60sC1.b1
|
Description: | The daily average difference between the shaded and unshaded PIRs
reversed on 19980428. Previous to then, the unshaded PIR was typically
about 2 Wm-2 less than the shaded PIR. Since the 28th, the unshaded
PIR has been averaging about 4-5 Wm-2 greater than the shaded PIR.
This latter difference worsened for the period 5/25 to 5/31, when the
daily average difference increased to between 8-10 Wm-2. The
disagreement is typically greater at night, reaching differences of
greater than 12 Wm-2 during the period 5/25-5/31. The cause for the
switch in sign of the difference can most likely be attributed to
instrument replacement, however the (in general) larger absolute
disagreement after Apr 28th indicates a possible calibration problem.
The cause of the large discrepancies from 5/25 to 5/31 is unknown.
I noticed that the daylight differences increased slightly, with an
attendant slight decrease in the night differences. This daylight
difference is on the order of an additional 1 Wm-2.
Note: the unshaded PIR is incorrectly named "shaded2" during this
time period. This is covered in a separate DQR. |
Measurements: | twpskyrad60sC1.b1: - down_long_hemisp_shaded2_min
- down_long_hemisp_shaded2_std
- down_long_hemisp_shaded1_min
- down_long_hemisp_shaded2_max
- down_long_hemisp_shaded1_std
- Irradiance, longwave, downwelling, hemispheric, shaded pyrgeometer2(down_long_hemisp_shaded2)
- down_long_hemisp_shaded1_max
- Irradiance, longwave, downwelling, hemispheric, shaded pyrgeometer1(down_long_hemisp_shaded1)
twpskyrad20sC1.a1: - Irradiance, longwave, downwelling, hemispheric, thermopile (Shaded Pyrgeometer1)(inst_down_long_hemisp_shaded1_tp)
- inst_down_long_shaded1_dome_resist
- inst_down_long_shaded2_case_resist
- Irradiance, longwave, downwelling, hemispheric, thermopile (Shaded Pyrgeometer2)(inst_down_long_hemisp_shaded2_tp)
- inst_down_long_shaded1_case_resist
- inst_down_long_shaded2_dome_resist
|
Subject: | TWP/SKYRAD/C1 - Solar tracker malfunction |
DataStreams: | twpskyrad20sC1.a1, twpskyrad60sC1.b1
|
Description: | The solar tracker malfunctioned and did not track the sun reliably
during this period. This makes the PIR, PSP(now 848 Black/White),
and NIP data suspect.
Note: the unshaded PIR is incorrectly named "shaded2" during this
time period. It was not affected by the tracker malfunction. The
improper naming is covered in a separate DQR. |
Measurements: | twpskyrad60sC1.b1: - Shortwave Direct Normal Irradiance, Pyrheliometer, Minima(short_direct_normal_min)
- Downwelling Shortwave Diffuse Hemisp. Irrad., Ventilated Pyranometer, Maxima(down_short_diffuse_hemisp_max)
- short_direct_normal_std
- Shortwave Direct Normal Irradiance, Pyrheliometer, Maxima(short_direct_normal_max)
- down_short_diffuse_hemisp_std
- Downwelling Shortwave Diffuse Hemisp. Irrad., Ventilated Pyranometer, Minima(down_short_diffuse_hemisp_min)
- Radiation, shortwave, downwelling diffuse hemispheric irradiance, 1-min avg(down_short_diffuse_hemisp)
- down_long_hemisp_shaded1_min
- down_long_hemisp_shaded1_std
- Radiation, shortwave, direct normal irradiance, 1-min avg(short_direct_normal)
- down_long_hemisp_shaded1_max
- Irradiance, longwave, downwelling, hemispheric, shaded pyrgeometer1(down_long_hemisp_shaded1)
twpskyrad20sC1.a1: - Irradiance, longwave, downwelling, hemispheric, thermopile (Shaded Pyrgeometer1)(inst_down_long_hemisp_shaded1_tp)
- inst_down_long_shaded1_dome_resist
- inst_down_long_shaded1_case_resist
|
Subject: | TWP/SKYRAD/C2 - Solar tracker failure |
DataStreams: | twpskyrad20sC2.a1, twpskyrad60sC2.a1, twpskyrad60sC2.b1
|
Description: | The solar tracker malfunctioned and did not track the sun reliably during the specified
periods. PIR, PSP, and NIP data are suspect.
The solar tracker may have operated satisfactorily during some periods within these time
frames. Approximate verification on quality could be made by comparing the NIP data with
the MFRSR data. |
Measurements: | twpskyrad60sC2.a1: - Shortwave Direct Normal Irradiance, Pyrheliometer, Maxima(short_direct_normal_max)
- Radiation, shortwave, direct normal irradiance, 1-min avg(short_direct_normal)
- down_short_diffuse_hemisp_std
- short_direct_normal_std
- Downwelling Shortwave Diffuse Hemisp. Irrad., Ventilated Pyranometer, Minima(down_short_diffuse_hemisp_min)
- down_long_hemisp_shaded_std
- Shortwave Direct Normal Irradiance, Pyrheliometer, Minima(short_direct_normal_min)
- Downwelling Longwave Hemispheric Irrad., Shaded Ventilated Pyrgeometer, Maxima(down_long_hemisp_shaded_max)
- Downwelling Longwave Hemispheric Irradiance, Shaded Ventilated Pyrgeometer(down_long_hemisp_shaded)
- Downwelling Longwave Hemispheric Irrad., Shaded Ventilated Pyrgeometer, Minima(down_long_hemisp_shaded_min)
- Radiation, shortwave, downwelling diffuse hemispheric irradiance, 1-min avg(down_short_diffuse_hemisp)
- Downwelling Shortwave Diffuse Hemisp. Irrad., Ventilated Pyranometer, Maxima(down_short_diffuse_hemisp_max)
twpskyrad60sC2.b1: - Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer2(down_long_hemisp2)
- Radiation, shortwave, downwelling diffuse hemispheric irradiance, 1-min avg(down_short_diffuse_hemisp)
- Radiation, shortwave, direct normal irradiance, 1-min avg(short_direct_normal)
- down_long_hemisp2_std
- down_short_diffuse_hemisp_std
- Downwelling Shortwave Diffuse Hemisp. Irrad., Ventilated Pyranometer, Minima(down_short_diffuse_hemisp_min)
- Shortwave Direct Normal Irradiance, Pyrheliometer, Maxima(short_direct_normal_max)
- Shortwave Direct Normal Irradiance, Pyrheliometer, Minima(short_direct_normal_min)
- short_direct_normal_std
- down_long_hemisp2_max
- down_long_hemisp2_min
- Downwelling Shortwave Diffuse Hemisp. Irrad., Ventilated Pyranometer, Maxima(down_short_diffuse_hemisp_max)
twpskyrad20sC2.a1: - inst_down_long_shaded_case_resist
- Irradiance, longwave, downwelling, hemispheric, thermopile (Shaded Pyrgeometer1)(inst_down_long_hemisp_shaded_tp)
- inst_down_long_shaded_dome_resist
|
Subject: | TWP/SKYRAD/C2 - Reprocess: Incorrect UVB Calibration Coefficient |
DataStreams: | twpskyrad20sC2.a1, twpskyrad60sC2.a1, twpskyrad60sC2.b1
|
Description: | The uvb calibration coefficient was entered incorrectly as 0.2151
instead of 0.2332. |
Measurements: | twpskyrad60sC2.a1: - Downwelling Ultra-Violet Irradiance, UV Biometer, Maxima(down_uvb_max)
- Downwelling Ultra-Violet Irradiance, UV Biometer(down_uvb)
- Downwelling Ultra-Violet Irradiance, UV Biometer, Minima(down_uvb_min)
- down_uvb_std
twpskyrad20sC2.a1: - Irradiance, ultraviolet, downwelling (UV Biometer)(inst_down_uvb_irradiance)
twpskyrad60sC2.b1: - Downwelling Ultra-Violet Irradiance, UV Biometer, Maxima(down_uvb_max)
- down_uvb_std
- Downwelling Ultra-Violet Irradiance, UV Biometer, Minima(down_uvb_min)
- Downwelling Ultra-Violet Irradiance, UV Biometer(down_uvb)
|
Subject: | TWP/SKYRAD/C2 - UVB Data questionable/incorrect due to uncontrolled sensor temperature |
DataStreams: | twpskyrad20sC2.a1, twpskyrad60sC2.a1, twpskyrad60sC2.b1
|
Description: | The UVB was not temperature controlled to 25C as required
to ensure accurate data. UVB data should ONLY be used after
checking both the bit_data and twpskyrad20sC1.a1 uvb_temp
or inst_down_uvb_temp. UVB data where the UVB temperature
was outside the range of 24-26C should not be used. |
Measurements: | twpskyrad60sC2.a1: - Downwelling Ultra-Violet Irradiance, UV Biometer, Minima(down_uvb_min)
- uvb_min
- down_uvb_std
- uvb_mean
- Downwelling Ultra-Violet Irradiance, UV Biometer, Maxima(down_uvb_max)
- Downwelling Ultra-Violet Irradiance, UV Biometer(down_uvb)
- uvb_sd
- uvb_max
twpskyrad60sC2.b1: - Downwelling Ultra-Violet Irradiance, UV Biometer, Maxima(down_uvb_max)
- down_uvb_std
- uvb_max
- uvb_sd
- uvb_mean
- uvb_min
- Downwelling Ultra-Violet Irradiance, UV Biometer, Minima(down_uvb_min)
- Downwelling Ultra-Violet Irradiance, UV Biometer(down_uvb)
twpskyrad20sC2.a1: - uvb_uncorr_irradiance
- Irradiance, ultraviolet, downwelling (UV Biometer)(inst_down_uvb_irradiance)
- uvb_temp
- inst_down_uvb_temp
|
Subject: | TWP/SKYRAD/C1 - UVB Data questionable/incorrect due to uncontrolled sensor temperature |
DataStreams: | twpskyrad20sC1.a1, twpskyrad60sC1.b1
|
Description: | The UVB was not temperature controlled to 25C as required
to ensure accurate data. UVB data should ONLY be used after
checking both the bit_data and twpskyrad20sC1.a1 uvb_temp
or inst_down_uvb_temp. UVB data where the UVB temperature
was outside the range of 24-26C should not be used. |
Measurements: | twpskyrad60sC1.b1: - down_uvb_std
- Downwelling Ultra-Violet Irradiance, UV Biometer, Minima(down_uvb_min)
- Downwelling Ultra-Violet Irradiance, UV Biometer, Maxima(down_uvb_max)
- Downwelling Ultra-Violet Irradiance, UV Biometer(down_uvb)
twpskyrad20sC1.a1: - Irradiance, ultraviolet, downwelling (UV Biometer)(inst_down_uvb_irradiance)
- inst_down_uvb_temp
|
Subject: | TWP/SKYRAD/C2 - UVB Data questionable/incorrect due to uncontrolled sensor temperature |
DataStreams: | twpskyrad20sC2.a1, twpskyrad60sC2.b1
|
Description: | The UVB was not temperature controlled to 25C as required
to ensure accurate data. UVB data should ONLY be used after
checking both the bit_data and twpskyrad20sC1.a1 uvb_temp
or inst_down_uvb_temp. UVB data where the UVB temperature
was outside the range of 24-26C should not be used. |
Measurements: | twpskyrad20sC2.a1: - inst_down_uvb_temp
- Irradiance, ultraviolet, downwelling (UV Biometer)(inst_down_uvb_irradiance)
twpskyrad60sC2.b1: - Downwelling Ultra-Violet Irradiance, UV Biometer, Maxima(down_uvb_max)
- down_uvb_std
- Downwelling Ultra-Violet Irradiance, UV Biometer, Minima(down_uvb_min)
- Downwelling Ultra-Violet Irradiance, UV Biometer(down_uvb)
|
Subject: | TWP/SKYRAD/C3 - UVB Data questionable/incorrect due to uncontrolled sensor temperature |
DataStreams: | twpskyrad20sC3.a1, twpskyrad60sC3.a1, twpskyrad60sC3.b1
|
Description: | The UVB was not temperature controlled to 25C as required
to ensure accurate data. UVB data should ONLY be used after
checking both the bit_data and twpskyrad20sC1.a1 uvb_temp
or inst_down_uvb_temp. UVB data where the UVB temperature
was outside the range of 24-26C should not be used. |
Measurements: | twpskyrad60sC3.b1: - Downwelling Ultra-Violet Irradiance, UV Biometer(down_uvb)
- Downwelling Ultra-Violet Irradiance, UV Biometer, Maxima(down_uvb_max)
- down_uvb_std
- Downwelling Ultra-Violet Irradiance, UV Biometer, Minima(down_uvb_min)
twpskyrad60sC3.a1: - Downwelling Ultra-Violet Irradiance, UV Biometer, Minima(down_uvb_min)
- Downwelling Ultra-Violet Irradiance, UV Biometer, Maxima(down_uvb_max)
- Downwelling Ultra-Violet Irradiance, UV Biometer(down_uvb)
- down_uvb_std
twpskyrad20sC3.a1: - inst_down_uvb_temp
- Irradiance, ultraviolet, downwelling (UV Biometer)(inst_down_uvb_irradiance)
|
Subject: | TWP/SKYRAD/C3 - UVB Data questionable/incorrect due to uncontrolled sensor temperature |
DataStreams: | twpskyrad20sC3.a1, twpskyrad60sC3.b1
|
Description: | The UVB was not temperature controlled to 25C as required
to ensure accurate data. UVB data should ONLY be used after
checking both the bit_data and twpskyrad20sC1.a1 uvb_temp
or inst_down_uvb_temp. UVB data where the UVB temperature
was outside the range of 24-26C should not be used. |
Measurements: | twpskyrad60sC3.b1: - Downwelling Ultra-Violet Irradiance, UV Biometer(down_uvb)
- Downwelling Ultra-Violet Irradiance, UV Biometer, Maxima(down_uvb_max)
- down_uvb_std
- Downwelling Ultra-Violet Irradiance, UV Biometer, Minima(down_uvb_min)
twpskyrad20sC3.a1: - inst_down_uvb_temp
- Irradiance, ultraviolet, downwelling (UV Biometer)(inst_down_uvb_irradiance)
|
Subject: | TWP/SKYRAD/C1 - RESET activities |
DataStreams: | twpskyrad20sC1.a1, twpskyrad60sC1.b1
|
Description: | RESET actiivities may have affected data in subtle ways during this period. |
Measurements: | twpskyrad60sC1.b1: - Downwelling Shortwave Diffuse Hemisp. Irrad., Ventilated Pyranometer, Maxima(down_short_diffuse_hemisp_max)
- down_short_hemisp_std
- short_direct_normal_std
- Shortwave Direct Normal Irradiance, Pyrheliometer, Maxima(short_direct_normal_max)
- down_long_hemisp_shaded2_min
- Downwelling Ultra-Violet Irradiance, UV Biometer, Maxima(down_uvb_max)
- Downwelling Ultra-Violet Irradiance, UV Biometer(down_uvb)
- down_long_hemisp_shaded1_min
- Radiation, shortwave, downwelling total hemispheric irradiance, 1-min avg(down_short_hemisp)
- down_long_hemisp_shaded2_max
- down_long_hemisp_shaded1_std
- down_uvb_std
- IR Brightness Temperature(sky_ir_temp)
- Downwelling Shortwave Hemispheric Irradiance, Ventilated Pyranometer, Minima(down_short_hemisp_min)
- Shortwave Direct Normal Irradiance, Pyrheliometer, Minima(short_direct_normal_min)
- down_short_diffuse_hemisp_std
- Downwelling Shortwave Diffuse Hemisp. Irrad., Ventilated Pyranometer, Minima(down_short_diffuse_hemisp_min)
- down_long_hemisp_shaded2_std
- Radiation, shortwave, downwelling diffuse hemispheric irradiance, 1-min avg(down_short_diffuse_hemisp)
- Radiation, shortwave, direct normal irradiance, 1-min avg(short_direct_normal)
- sky_ir_temp_max
- Downwelling Ultra-Violet Irradiance, UV Biometer, Minima(down_uvb_min)
- Irradiance, longwave, downwelling, hemispheric, shaded pyrgeometer2(down_long_hemisp_shaded2)
- down_long_hemisp_shaded1_max
- Irradiance, longwave, downwelling, hemispheric, shaded pyrgeometer1(down_long_hemisp_shaded1)
- sky_ir_temp_std
- Downwelling Shortwave Hemispheric Irradiance, Ventilated Pyranometer, Maxima(down_short_hemisp_max)
- sky_ir_temp_min
twpskyrad20sC1.a1: - Irradiance, longwave, downwelling, hemispheric, thermopile (Shaded Pyrgeometer1)(inst_down_long_hemisp_shaded1_tp)
- inst_down_long_shaded1_dome_resist
- inst_down_long_shaded2_case_resist
- inst_down_long_shaded2_dome_resist
- Irradiance, longwave, downwelling, hemispheric, thermopile (Shaded Pyrgeometer2)(inst_down_long_hemisp_shaded2_tp)
- inst_down_long_shaded1_case_resist
|