Data Quality Report for Order ID: 187544
User ID: yann1blanc    Date completed: 2017-09-01
All DQRs
DQR ID Subject Affected Data Streams Data Quality Metric
D170501.2 ASI/SEBS/M1 - SEBS Battery Voltage Below Nominal asisebsM1.b1 Note
D170309.5 ASI/WACR/M1 - Transmitter Down asiwacrM1.a1 Incorrect
D170530.1 ASI/SEBS/M1 - Some Net Radiometer Measurements Missing asisebsM1.b1 Missing
D160802.5 ASI/SEBS/M1 - Soil temperatures missing asisebsM1.b1 Missing
D170309.3 ASI/WACR/M1 - Single Pol asiwacrM1.a1 Note
D170109.8 ASI/DL/M1 - Instrument malfunction asidlppiM1.b1 Missing
D170413.3 ASI/ECOR/M1 - Latent Heat and CO2 Fluxes Often Incorrect asi30ecorM1.b1 Incorrect
D160622.5 ASI/SEBS/M1 - Pre-deployment data asisebsM1.b1 Suspect
D160802.3 ASI/SEBS/M1 - Soil Temperature 1 Spikes asisebsM1.b1 Incorrect
D160622.4 ASI/ECOR/M1 - Pre-deployment data asi30ecorM1.b1 Suspect
D170309.4 ASI/WACR/M1 - Sampling Rate Changes asiwacrauxM1.a0 Note
D160808.2 ASI/SODAR/M1 - Sodar Processing Unit communication failure asisodarM1.b1 Note
D160526.8 ASI/SEBS/M1 - Soil Temperatures, Surface Soil Heat Flux, Surface Energy Balance Missing asisebsM1.b1 Missing
 
DQR ID: D170501.2    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2017-02-19 08:00:00 2017-04-21 14:00:00 Note
Subject: ASI/SEBS/M1 - SEBS Battery Voltage Below Nominal
Affected Datastreams: asisebsM1.b1
Description The battery voltage was below nominal levels (12V DC), but never low enough to affect data quality or data capture.
Measurements
  • battery_voltage (Battery voltage)
 
DQR ID: D170309.5    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-10-22 00:15:00 2016-10-22 14:00:00 Incorrect
2016-12-11 01:30:00 2016-12-11 13:15:00 Incorrect
2016-10-17 02:45:00 2016-10-17 13:00:00 Incorrect
Subject: ASI/WACR/M1 - Transmitter Down
Affected Datastreams: asiwacrM1.a1
Description Transmitter was not working during these periods. Data are just background noise
Measurements
  • signal_to_noise_ratio (Signal to noise ratio)
  • noise_power_sky (Total sky noise power prior to spectrum computation)
  • reflectivity (Equivalent reflectivity factor)
  • noise_figure (Receiver noise figure estimated from noise source measurements using Y-factor method.)
  • spectral_width (Spectral width)
  • mean_doppler_velocity (Mean doppler velocity)
 
DQR ID: D170530.1    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2017-04-26 14:00:00 2017-05-17 13:30:00 Missing
Subject: ASI/SEBS/M1 - Some Net Radiometer Measurements Missing
Affected Datastreams: asisebsM1.b1
Description The connector for the solar down long and short wave measurements was not making a connection; solar shortwave down, long wave down, net radiation and albedo are all missing as result.
Measurements
  • albedo (Albedo)
  • down_long (Sky longwave irradiance)
  • surface_energy_balance (Surface energy balance)
  • down_short_hemisp (Downwelling shortwave hemispheric irradiance)
  • net_radiation (Net radiation)
 
DQR ID: D160802.5    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-07-27 16:30:00 2016-07-28 16:00:00 Missing
Subject: ASI/SEBS/M1 - Soil temperatures missing
Affected Datastreams: asisebsM1.b1
Description Soil temperatures were missing because of a loose connection on a multiplexer.
Measurements
  • soil_temp_3 (Soil temperature 3)
  • surface_soil_heat_flux_1 (Surface soil heat flux 1)
  • energy_storage_change_3 (Change in energy storage 3, 0-5 cm soil layer)
  • soil_temp_2 (Soil temperature 2)
  • surface_soil_heat_flux_2 (Surface soil heat flux 2)
  • surface_soil_heat_flux_3 (Surface soil heat flux 3)
  • surface_energy_balance (Surface energy balance)
  • surface_soil_heat_flux_avg (Surface soil heat flux, average of fluxes 1-3)
  • soil_temp_1 (Soil temperature 1)
  • energy_storage_change_2 (Change in energy storage 2, 0-5 cm soil layer)
  • energy_storage_change_1 (Change in energy storage 1, 0-5 cm soil layer)
 
DQR ID: D170309.3    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-12-01 14:34:49 2016-12-05 17:35:00 Note
Subject: ASI/WACR/M1 - Single Pol
Affected Datastreams: asiwacrM1.a1
Description The radar is only transmitting in copol during this period
Measurements
  • signal_to_noise_ratio (Signal to noise ratio)
  • spectral_width (Spectral width)
  • mean_doppler_velocity (Mean doppler velocity)
  • polarization (Polarization mode.)
  • reflectivity (Equivalent reflectivity factor)
 
DQR ID: D170109.8    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-12-20 20:00:00 2017-01-04 16:59:00 Missing
Subject: ASI/DL/M1 - Instrument malfunction
Affected Datastreams: asidlppiM1.b1
Description PPI scan data are missing due to an instrument malfunction. Thus, horizontal wind profiles can not be computed.
Measurements
  • time_offset (Time offset from base_time)
  • range (Distance from Lidar to center of range gate)
  • intensity (Intensity (signal to noise ratio + 1))
  • elevation (Beam elevation)
  • lon (East longitude)
  • alt (Altitude above mean sea level)
  • attenuated_backscatter (Attenuated backscatter)
  • lat (North latitude)
  • radial_velocity (Radial velocity)
  • qc_radial_velocity (Quality check results on field: Radial velocity)
  • azimuth (Azimuth relative to true north)
  • time (Time offset from midnight)
  • qc_time (Quality check results on field: Time offset from midnight)
  • base_time (Base time in Epoch)
 
DQR ID: D170413.3    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2017-03-20 00:00:00 2017-04-07 23:30:00 Incorrect
Subject: ASI/ECOR/M1 - Latent Heat and CO2 Fluxes Often Incorrect
Affected Datastreams: asi30ecorM1.b1
Description A cable problem, and sometimes precipitation/fog/dew, caused the latent heat flux and CO2 flux to be incorrect.
Measurements
  • cvar_rot_wc (Rotated covariance wc)
  • mean_c (Mean CO2 density)
  • cvar_wq (Covariance wq)
  • cvar_qc (Covariance qc)
  • cvar_rot_vc (Rotated covariance vc)
  • var_q (Variance of variable mean_q)
  • cvar_vc (Covariance vc)
  • mean_q (Mean water vapor density)
  • cvar_tc (Covariance tc)
  • cvar_tq (Covariance tq)
  • cvar_rot_uc (Rotated covariance uc)
  • lv_e (Latent heat flux)
  • cvar_rot_uq (Rotated covariance uq)
  • cvar_vq (Covariance vq)
  • cvar_uq (Covariance uq)
  • fc (CO2 flux)
  • cvar_rot_wq (Rotated covariance wq)
  • cvar_rot_vq (Rotated covariance vq)
  • var_c (Variance of variable mean_c)
  • cvar_wc (Covariance wc)
  • cvar_uc (Covariance uc)
 
DQR ID: D160622.5    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-04-28 14:00:00 2016-06-01 00:00:00 Suspect
Subject: ASI/SEBS/M1 - Pre-deployment data
Affected Datastreams: asisebsM1.b1
Description All data is before the official start of the IOP on 1 June 2016. Data may be affected by changes to instrument settings and people nearby. The first half-hourly average for the SEBS during June 1 is time-stamped 0030.
Measurements
  • soil_moisture_3 (Soil moisture 3, gravimetric)
  • surface_soil_heat_flux_1 (Surface soil heat flux 1)
  • surface_soil_heat_flux_avg (Surface soil heat flux, average of fluxes 1-3)
  • down_short_hemisp (Downwelling shortwave hemispheric irradiance)
  • battery_voltage (Battery voltage)
  • energy_storage_change_2 (Change in energy storage 2, 0-5 cm soil layer)
  • corr_soil_heat_flow_1 (Soil heat flow 1, corrected for soil moisture)
  • corr_soil_heat_flow_2 (Soil heat flow 2, corrected for soil moisture)
  • soil_heat_capacity_3 (Soil heat capacity 3)
  • energy_storage_change_3 (Change in energy storage 3, 0-5 cm soil layer)
  • up_long (Surface longwave irradiance)
  • soil_temp_2 (Soil temperature 2)
  • soil_heat_capacity_1 (Soil heat capacity 1)
  • soil_heat_flow_2 (Soil heat flow 2)
  • temp_net_radiometer (Net radiometer temperature)
  • soil_heat_capacity_2 (Soil heat capacity 2)
  • net_radiation (Net radiation)
  • albedo (Albedo)
  • soil_temp_3 (Soil temperature 3)
  • surface_soil_heat_flux_2 (Surface soil heat flux 2)
  • surface_soil_heat_flux_3 (Surface soil heat flux 3)
  • corr_soil_heat_flow_3 (Soil heat flow 3, corrected for soil moisture)
  • soil_heat_flow_3 (Soil heat flow 3)
  • energy_storage_change_1 (Change in energy storage 1, 0-5 cm soil layer)
  • soil_heat_flow_1 (Soil heat flow 1)
  • soil_moisture_1 (Soil moisture 1, gravimetric)
  • soil_moisture_2 (Soil moisture 2, gravimetric)
  • down_long (Sky longwave irradiance)
  • surface_energy_balance (Surface energy balance)
  • wetness (Wetness, rain detector)
  • up_short_hemisp (Upwelling shortwave hemispheric irradiance)
  • soil_temp_1 (Soil temperature 1)
 
DQR ID: D160802.3    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-05-24 00:00:00 2016-07-27 13:30:00 Incorrect
Subject: ASI/SEBS/M1 - Soil Temperature 1 Spikes
Affected Datastreams: asisebsM1.b1
Description Soil temperature 1 spiked to unreasonable values at times, a result of a faulty multiplexer.
Measurements
  • soil_temp_1 (Soil temperature 1)
  • surface_soil_heat_flux_avg (Surface soil heat flux, average of fluxes 1-3)
  • surface_soil_heat_flux_1 (Surface soil heat flux 1)
  • energy_storage_change_1 (Change in energy storage 1, 0-5 cm soil layer)
 
DQR ID: D160622.4    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-04-27 16:30:00 2016-05-31 23:30:00 Suspect
Subject: ASI/ECOR/M1 - Pre-deployment data
Affected Datastreams: asi30ecorM1.b1
Description All data is before the official start of the IOP on 1 June 2016. The instrument may be affected by instrument setting changes and people nearby.
Measurements
  • var_u (Variance of variable mean_u)
  • mean_rot_u (Rotated mean u)
  • mean_c (Mean CO2 density)
  • cvar_rot_ut (Rotated covariance ut)
  • n_bad_c (Number of bad or out of range c samples)
  • qc_mean_u (Quality check results on field: Mean u wind component)
  • n_bad_v (Number of bad or out of range v samples)
  • wind_spd (Vector averaged wind speed)
  • qc_n_good_u (Quality check results on field: Number of valid u samples)
  • n_good_q (Number of valid q samples)
  • skew_c (Skewness of variable mean_c)
  • qc_mean_w (Quality check results on field: Mean w (vertical) wind component)
  • qc_k (Quality check results on field: Momentum flux (dynamic))
  • cvar_rot_uv (Rotated covariance uv)
  • mean_t (Mean t temperature (sonic anemometer))
  • qc_elev (Quality check results on field: Vertical (elevation) wind angle)
  • mean_q (Mean water vapor density)
  • n_spk_u (Number of u samples removed due to spikes)
  • cvar_rot_vc (Rotated covariance vc)
  • qc_ustar (Quality check results on field: Friction velocity)
  • cvar_rot_uq (Rotated covariance uq)
  • cvar_uv (Covariance uv)
  • qc_n_good_w (Quality check results on field: Number of valid w samples)
  • fc (CO2 flux)
  • qc_mean_c (Quality check results on field: Mean CO2 density)
  • var_rot_w (Rotated variance w)
  • skew_q (Skewness of variable mean_q)
  • n_good_t (Number of valid t samples)
  • std_wind_dir (Standard deviation of wind direction)
  • mean_spk_v (Mean value of "spike" v samples)
  • n_spk_w (Number of w samples removed due to spikes)
  • mean_spk_c (Mean value of "spike" c samples)
  • qc_temp_irga (Quality check results on field: Average temperature (IGRA internal sensor))
  • cvar_uw (Covariance uw)
  • qc_cp (Quality check results on field: Specific heat of moist air)
  • ustar (Friction velocity)
  • skew_t (Skewness of variable mean_t)
  • qc_mean_q (Quality check results on field: Mean water vapor density)
  • n_spk_c (Number of c samples removed due to spikes)
  • qc_var_w (Quality check results on field: Variance of variable mean_w)
  • temp_irga (Average temperature (IGRA internal sensor))
  • n_bad_u (Number of bad or out of range u samples)
  • kurt_u (Kurtosis of variable mean_u)
  • cvar_wq (Covariance wq)
  • qc_n_good_t (Quality check results on field: Number of valid t samples)
  • cvar_vt (Covariance vt)
  • var_w (Variance of variable mean_w)
  • cvar_tc (Covariance tc)
  • cvar_rot_uw (Rotated covariance uw)
  • cvar_vq (Covariance vq)
  • cvar_rot_wc (Rotated covariance wc)
  • mean_rot_w (Rotated mean w)
  • n_bad_w (Number of bad or out of range w samples)
  • mr (Mixing ratio)
  • h (Sensible heat flux)
  • qc_wind_spd (Quality check results on field: Vector averaged wind speed)
  • time (Time offset from midnight)
  • qc_mean_v (Quality check results on field: Mean v wind component)
  • n_good_v (Number of valid v samples)
  • n_good_w (Number of valid w samples)
  • lon (East longitude)
  • alt (Altitude above mean sea level)
  • mean_spk_t (Mean value of "spike" t samples)
  • n_bad_irga (Number of samples with "IRGA hardware problem" flag)
  • qc_var_v (Quality check results on field: Variance of variable mean_v)
  • real_lv (Status of source for latent heat of vaporization)
  • lv (Latent heat of vaporization)
  • cvar_vc (Covariance vc)
  • rho (Moist air density)
  • phi (Rotation to v wind component = zero)
  • lat (North latitude)
  • n_good_c (Number of valid c samples)
  • std_elev (Standard deviation of wind elevation angle)
  • qc_std_wind_dir (Quality check results on field: Standard deviation of wind direction)
  • var_v (Variance of variable mean_v)
  • n_spk_q (Number of q samples removed due to spikes)
  • base_time (Base time in Epoch)
  • n_bad_irga_light (Number of samples with IRGA optical path blocked flag)
  • mean_w (Mean w (vertical) wind component)
  • cvar_rot_vq (Rotated covariance vq)
  • n_spk_t (Number of t samples removed due to spikes)
  • cp (Specific heat of moist air)
  • cvar_wt (Covariance wt)
  • qc_n_good_q (Quality check results on field: Number of valid q samples)
  • cvar_rot_vw (Rotated covariance vw)
  • cvar_qc (Covariance qc)
  • qc_rho (Quality check results on field: Moist air density)
  • mean_spk_q (Mean value of "spike" q samples)
  • mean_spk_w (Mean value of "spike" w samples)
  • qc_lv_e (Quality check results on field: Latent heat flux)
  • cvar_vw (Covariance vw)
  • k (Momentum flux (dynamic))
  • cvar_rot_wq (Rotated covariance wq)
  • var_rot_u (Rotated variance u)
  • qc_h (Quality check results on field: Sensible heat flux)
  • n_bad_sonic (Number of samples with bad sonic status flag)
  • qc_atm_pres (Quality check results on field: Average atmospheric pressure (IGRA internal sensor))
  • qc_lv (Quality check results on field: Latent heat of vaporization)
  • cvar_tq (Covariance tq)
  • cvar_rot_uc (Rotated covariance uc)
  • kurt_v (Kurtosis of variable mean_v)
  • n_spk_v (Number of v samples removed due to spikes)
  • cvar_uc (Covariance uc)
  • n_bad_t (Number of bad or out of range t samples)
  • n_bad_q (Number of bad or out of range q samples)
  • time_offset (Time offset from base_time)
  • qc_std_elev (Quality check results on field: Standard deviation of wind elevation angle)
  • skew_u (Skewness of variable mean_u)
  • real_rho (Status of source for moist air density)
  • real_cp (Status of source for specific heat of moist air)
  • cvar_uq (Covariance uq)
  • qc_n_good_c (Quality check results on field: Number of valid c samples)
  • var_c (Variance of variable mean_c)
  • elev (Vertical (elevation) wind angle)
  • wind_dir (Vector averaged wind direction)
  • n_good_u (Number of valid u samples)
  • kurt_t (Kurtosis of variable mean_t)
  • var_rot_v (Rotated variance v)
  • kurt_c (Kurtosis of variable mean_c)
  • kurt_q (Kurtosis of variable mean_q)
  • qc_mr (Quality check results on field: Mixing ratio)
  • mean_spk_u (Mean value of "spike" u samples)
  • qc_var_t (Quality check results on field: Variance of variable mean_t)
  • cvar_wc (Covariance wc)
  • cvar_rot_vt (Rotated covariance vt)
  • mean_cooler (Average voltage of IRGA cooler)
  • var_q (Variance of variable mean_q)
  • mean_u (Mean u wind component)
  • qc_var_c (Quality check results on field: Variance of variable mean_c)
  • qc_wind_dir (Quality check results on field: Vector averaged wind direction)
  • cvar_rot_wt (Rotated covariance wt)
  • atm_pres (Average atmospheric pressure (IGRA internal sensor))
  • qc_var_q (Quality check results on field: Variance of variable mean_q)
  • qc_mean_t (Quality check results on field: Mean t temperature (sonic anemometer))
  • mean_v (Mean v wind component)
  • real_mr (Status of source for mixing ratio)
  • kurt_w (Kurtosis of variable mean_w)
  • var_t (Variance of variable mean_t)
  • skew_v (Skewness of variable mean_v)
  • qc_var_u (Quality check results on field: Variance of variable mean_u)
  • qc_fc (Quality check results on field: CO2 flux)
  • skew_w (Skewness of variable mean_w)
  • qc_n_good_v (Quality check results on field: Number of valid v samples)
  • cvar_ut (Covariance ut)
  • lv_e (Latent heat flux)
  • mean_rot_v (Rotated mean v)
 
DQR ID: D170309.4    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-12-01 14:34:49 2016-12-05 17:35:00 Note
2016-10-13 16:13:00 2016-10-20 18:59:59 Note
Subject: ASI/WACR/M1 - Sampling Rate Changes
Affected Datastreams: asiwacrauxM1.a0
Description The sampling rate during these periods were changing resulting in multiple file splits. The actual data should not be affected.
Measurements
  • pitch (Ship pitch, axis starboard-to-port, positive is bow up)
  • signal_to_noise_ratio (Signal to noise ratio)
  • roll (Ship roll, axis along ship length, positive is port up)
  • time_offset (Time offset from base_time)
  • range (Distance from Lidar to center of range gate)
  • noise_power_sky (Total sky noise power prior to spectrum computation)
  • reflectivity (Equivalent reflectivity factor)
  • noise_figure (Receiver noise figure estimated from noise source measurements using Y-factor method.)
  • height (Center of sodar height level)
  • height (Range heights (center of radar sample volume))
  • polarization (Polarization mode.)
  • spectral_width (Spectral width)
  • gain (Receiver gain estimated from noise source measurements using Y-factor method)
  • time (Time offset from midnight)
  • mean_doppler_velocity (Mean doppler velocity)
  • base_time (Base time in Epoch)
 
DQR ID: D160808.2    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-06-24 00:13:00 2016-08-04 11:25:00 Note
Subject: ASI/SODAR/M1 - Sodar Processing Unit communication failure
Affected Datastreams: asisodarM1.b1
Description Due to sodar processing unit communication failure there is frequent (almost on a daily basis) sodar data loss during the DQR period. Whenever available, data quality is not affected.
Measurements
  • height (Center of sodar height level)
  • instrument_error (Instrument error codes)
  • vertical_wind_speed (Vertical component of wind speed)
  • vertical_wind_speed_std (Standard deviation of vertical component of wind speed)
  • wind_speed (Horizontal wind speed)
  • backscatter (Backscatter, as total intensity of received signal, filtered and range-normalized)
  • height (Range heights (center of radar sample volume))
  • wind_direction (Horizontal wind direction)
 
DQR ID: D160526.8    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-05-04 17:30:00 2016-05-24 16:00:00 Missing
Subject: ASI/SEBS/M1 - Soil Temperatures, Surface Soil Heat Flux, Surface Energy Balance Missing
Affected Datastreams: asisebsM1.b1
Description Soil Temperature missing because of a broken lead, resulting in Surface Soil Heat Flux and Surface Energy Balance being missing also.
Measurements
  • soil_temp_3 (Soil temperature 3)
  • energy_storage_change_3 (Change in energy storage 3, 0-5 cm soil layer)
  • surface_soil_heat_flux_2 (Surface soil heat flux 2)
  • soil_temp_2 (Soil temperature 2)
  • surface_soil_heat_flux_1 (Surface soil heat flux 1)
  • surface_soil_heat_flux_3 (Surface soil heat flux 3)
  • surface_energy_balance (Surface energy balance)
  • surface_soil_heat_flux_avg (Surface soil heat flux, average of fluxes 1-3)
  • soil_temp_1 (Soil temperature 1)
  • energy_storage_change_2 (Change in energy storage 2, 0-5 cm soil layer)
  • energy_storage_change_1 (Change in energy storage 1, 0-5 cm soil layer)