Data Quality Report for Order ID: 188029
User ID: sullivanr2    Date completed: 2017-09-29
All DQRs
DQR ID Subject Affected Data Streams Data Quality Metric
D160104.7 SGP Site Power Outage Due to Winter Storm sgp915rwpprecipconC1.a1 Note
D151209.1 SGP/ECOR/E14/E21/E31/E33/E37/E38/E39 - Sensible and Latent Heat, and CO2 Fluxes Incorrect sgp30ecorE38.b1 Incorrect
D150908.1 SGP/EBBR/E13 - Sensible and Latent Heat Fluxes Incorrect sgp30ebbrE13.b1 Incorrect
D150707.2 SGP/EBBR/E13 - Sensible and Latent Heat Fluxes Incorrect When AEM Not Working sgp30ebbrE13.b1 Incorrect
D151201.2 SGP ALL INSTRUMENTS - Icing Event sgp30baebbrE35.c1 Note
 
DQR ID: D160104.7    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2015-12-26 00:00:00 2016-01-01 23:59:59 Note
Subject: SGP Site Power Outage Due to Winter Storm
Affected Datastreams: sgp915rwpprecipconC1.a1
Description On Saturday and Sunday, December 26 and 27th a powerful winter storm (Goliath) brought sleet and freezing rain to much of Oklahoma with wind gusts of 45 MPH at times. The result was very very slick roads and mass power outages. The SGP central facility lost power at 8:55 PM CDT on Sunday, December 27th. The power was restored on 7:56 PM CDT on Wednesday, December 30th Site Emergency procedures were activated and Technicians drained water out of instrument reservoirs and other measures as needed, early Monday morning. On Wednesdays as roads and power started was restored to much of the areas east of I-35 , Site Technicians performed maintenance on several Extended Facilities. During this period, data are potentially missing, incorrect, or suspect. Carefully inspect the data before use.
Measurements
  • k (Momentum flux (dynamic))
  • cvar_rot_vc (Rotated covariance vc)
  • mean_rot_u (Rotated mean u)
  • qc_var_w (Quality check results on field: Variance of variable mean_w)
  • cvar_uq (Covariance uq)
  • mean_u (Mean u wind component)
  • vegetation_height (Vegetation height outside fence)
  • cvar_wt (Covariance wt)
  • solar_radiation (Solar radiation calculated from time of day, lat, and lon)
  • temp_air_bottom (Bottom air temperature)
  • soil_temp_4 (Soil temperature 4)
  • qc_wdir_vec_mean (Quality check results on field: Wind direction vector mean)
  • var_t (Variance of variable mean_t)
  • n_good_c (Number of valid c samples)
  • qc_corr_soil_heat_flow_4 (Quality check results on field: Soil heat flow 4, corrected for soil moisture)
  • qc_surface_soil_heat_flux_5 (Quality check results on field: Surface soil heat flux 5)
  • cvar_rot_uc (Rotated covariance uc)
  • cvar_rot_uv (Rotated covariance uv)
  • n_bad_c (Number of bad or out of range c samples)
  • qc_cp (Quality check results on field: Specific heat of moist air)
  • cvar_rot_uq (Rotated covariance uq)
  • n_spk_q (Number of q samples removed due to spikes)
  • qc_soil_heat_flow_4 (Quality check results on field: Soil heat flow 4)
  • qc_n_good_u (Quality check results on field: Number of valid u samples)
  • n_spk_u (Number of u samples removed due to spikes)
  • qc_sensible_heat_flux (Quality check results on field: Sensible heat flux)
  • mean_rot_w (Rotated mean w)
  • n_bad_w (Number of bad or out of range w samples)
  • qc_net_radiation (Quality check results on field: Net radiation)
  • cvar_rot_wt (Rotated covariance wt)
  • kurt_w (Kurtosis of variable mean_w)
  • n_bad_q (Number of bad or out of range q samples)
  • fc (CO2 flux)
  • qc_temp_reference (Quality check results on field: Reference temperature in enclosure)
  • qc_time (Results of quality checks on sample time)
  • cvar_rot_ut (Rotated covariance ut)
  • temp_irga (Average temperature (IGRA internal sensor))
  • qc_ustar (Quality check results on field: Friction velocity)
  • kurt_v (Kurtosis of variable mean_v)
  • cvar_uw (Covariance uw)
  • qc_fc (Quality check results on field: CO2 flux)
  • lon (East longitude)
  • cvar_vq (Covariance vq)
  • atmos_pressure (Atmospheric pressure)
  • cvar_vt (Covariance vt)
  • h (Sensible heat flux)
  • qc_corr_soil_heat_flow_3 (Quality check results on field: Soil heat flow 3, corrected for soil moisture)
  • qc_soil_moisture_3 (Quality check results on field: Soil moisture 3, gravimetric)
  • cp (Specific heat of moist air)
  • qc_soil_temp_5 (Quality check results on field: Soil temperature 5)
  • cvar_uc (Covariance uc)
  • kurt_c (Kurtosis of variable mean_c)
  • cvar_vc (Covariance vc)
  • skew_t (Skewness of variable mean_t)
  • qc_mr (Quality check results on field: Mixing ratio)
  • qc_soil_heat_capacity_3 (Quality check results on field: Soil heat capacity 3)
  • n_good_v (Number of valid v samples)
  • qc_soil_heat_flow_2 (Quality check results on field: Soil heat flow 2)
  • bowen_ratio (Bowen ratio)
  • soil_moisture_2 (Soil moisture 2, gravimetric)
  • qc_var_u (Quality check results on field: Variance of variable mean_u)
  • corr_soil_heat_flow_4 (Soil heat flow 4, corrected for soil moisture)
  • n_good_q (Number of valid q samples)
  • qc_corr_soil_heat_flow_2 (Quality check results on field: Soil heat flow 2, corrected for soil moisture)
  • qc_wspd_arith_mean (Quality check results on field: Wind speed arithmetic mean)
  • qc_soil_heat_flow_1 (Quality check results on field: Soil heat flow 1)
  • lon (longitude)
  • mean_spk_q (Mean value of "spike" q samples)
  • qc_soil_heat_flow_3 (Quality check results on field: Soil heat flow 3)
  • ustar (Friction velocity)
  • qc_temp_air_bottom (Quality check results on field: Bottom air temperature)
  • cvar_qc (Covariance qc)
  • energy_storage_change_1 (Change in energy storage 1, 0-5 cm soil layer)
  • mean_spk_t (Mean value of "spike" t samples)
  • temp_air_top (Top air temperature)
  • qc_soil_heat_capacity_2 (Quality check results on field: Soil heat capacity 2)
  • qc_wspd_vec_mean (Quality check results on field: Wind speed vector mean)
  • soil_heat_flow_2 (Soil heat flow 2)
  • cvar_tc (Covariance tc)
  • qc_soil_moisture_4 (Quality check results on field: Soil moisture 4, gravimetric)
  • n_bad_u (Number of bad or out of range u samples)
  • var_v (Variance of variable mean_v)
  • wind_dir (Vector averaged wind direction)
  • qc_wind_dir (Quality check results on field: Vector averaged wind direction)
  • home_signal_15 (AEM position indicator 0 to 15 mins)
  • energy_storage_change_5 (Change in energy storage 5, 0-5 cm soil layer)
  • time (Time offset from midnight)
  • qc_var_q (Quality check results on field: Variance of variable mean_q)
  • skew_v (Skewness of variable mean_v)
  • alt (Altitude above mean sea level)
  • qc_wind_spd (Quality check results on field: Vector averaged wind speed)
  • n_good_u (Number of valid u samples)
  • lv (Latent heat of vaporization)
  • qc_soil_temp_3 (Quality check results on field: Soil temperature 3)
  • wspd_arith_mean (Wind speed arithmetic mean)
  • qc_var_v (Quality check results on field: Variance of variable mean_v)
  • aerodynamic_latent_heat_flux (Aerodynamic latent heat flux)
  • var_rot_u (Rotated variance u)
  • n_bad_sonic (Number of samples with bad sonic status flag)
  • n_bad_v (Number of bad or out of range v samples)
  • lv_e (Latent heat flux)
  • surface_soil_heat_flux_1 (Surface soil heat flux 1)
  • soil_moisture_3 (Soil moisture 3, gravimetric)
  • qc_n_good_q (Quality check results on field: Number of valid q samples)
  • n_bad_t (Number of bad or out of range t samples)
  • real_lv (Status of source for latent heat of vaporization)
  • std_wind_dir (Standard deviation of wind direction)
  • cvar_tq (Covariance tq)
  • energy_storage_change_4 (Change in energy storage 4, 0-5 cm soil layer)
  • n_good_w (Number of valid w samples)
  • corr_soil_heat_flow_2 (Soil heat flow 2, corrected for soil moisture)
  • qc_soil_heat_capacity_5 (Quality check results on field: Soil heat capacity 5)
  • qc_vapor_pressure_bottom (Quality check results on field: Bottom vapor pressure)
  • n_bad_son_ic (number of samples with bad sonic status flag)
  • qc_rh_bottom_fraction (Quality check results on field: Bottom relative humidity (fractional))
  • skew_c (Skewness of variable mean_c)
  • cvar_rot_wc (Rotated covariance wc)
  • qc_std_elev (Quality check results on field: Standard deviation of wind elevation angle)
  • real_rho (Status of source for moist air density)
  • cvar_ut (Covariance ut)
  • var_c (Variance of variable mean_c)
  • qc_surface_soil_heat_flux_3 (Quality check results on field: Surface soil heat flux 3)
  • lv_e (Latent heat flux at surface, upward positve)
  • soil_moisture_1 (Soil moisture 1, gravimetric)
  • temp_trh_top (Top T/RH sensor temperature)
  • var_rot_v (Rotated variance v)
  • qc_soil_moisture_2 (Quality check results on field: Soil moisture 2, gravimetric)
  • cvar_rot_vq (Rotated covariance vq)
  • var_w (Variance of variable mean_w)
  • qc_surface_soil_heat_flux_1 (Quality check results on field: Surface soil heat flux 1)
  • var_rot_w (Rotated variance w)
  • phi (Rotation to v wind component = zero)
  • qc_n_good_c (Quality check results on field: Number of valid c samples)
  • qc_corr_soil_heat_flow_1 (Quality check results on field: Soil heat flow 1, corrected for soil moisture)
  • qc_mean_c (Quality check results on field: Mean CO2 density)
  • mean_spk_u (Mean value of "spike" u samples)
  • wspd_vec_mean (Wind speed vector mean)
  • skew_q (Skewness of variable mean_q)
  • elev (Vertical (elevation) wind angle)
  • cvar_rot_uw (Rotated covariance uw)
  • n_spk_t (Number of t samples removed due to spikes)
  • cvar_rot_vt (Rotated covariance vt)
  • qc_temp_irga (Quality check results on field: Average temperature (IGRA internal sensor))
  • be_latent_heat_flux (Best estimate latent heat flux)
  • qc_h (Quality check results on field: Sensible heat flux)
  • qc_vapor_pressure_top (Quality check results on field: Top vapor pressure)
  • soil_heat_flow_5 (Soil heat flow 5)
  • qc_elev (Quality check results on field: Vertical (elevation) wind angle)
  • soil_moisture_4 (Soil moisture 4, gravimetric)
  • n_spk_w (Number of w samples removed due to spikes)
  • qc_soil_moisture_5 (Quality check results on field: Soil moisture 5, gravimetric)
  • soil_temp_1 (Soil temperature 1)
  • soil_heat_capacity_1 (Soil heat capacity 1)
  • time_offset (Time offset from base_time)
  • wdir_vec_std (Wind direction vector mean standard deviation)
  • h (Sensible heat flux at surface, upward positve)
  • qc_h (Quality check results on field: Sensible heat flux at surface, upward positive)
  • soil_heat_capacity_2 (Soil heat capacity 2)
  • qc_mean_u (Quality check results on field: Mean u wind component)
  • lat (latitude)
  • mean_spk_c (Mean value of "spike" c samples)
  • rh_bottom_fraction (Bottom relative humidity (fractional))
  • qc_lv_e (Quality check results on field: Latent heat flux at surface, upward positive)
  • qc_mean_w (Quality check results on field: Mean w (vertical) wind component)
  • soil_heat_flow_1 (Soil heat flow 1)
  • qc_mean_v (Quality check results on field: Mean v wind component)
  • n_bad_irga (Number of samples with "IRGA hardware problem" flag)
  • qc_time (Quality check results on field: Time offset from midnight)
  • qc_latent_heat_flux (Quality check results on field: Latent heat flux)
  • qc_energy_storage_change_5 (Quality check results on field: Change in energy storage 5, 0-5 cm soil layer)
  • soil_heat_flow_4 (Soil heat flow 4)
  • base_time (Base time in Epoch)
  • corr_soil_heat_flow_5 (Soil heat flow 5, corrected for soil moisture)
  • qc_soil_temp_1 (Quality check results on field: Soil temperature 1)
  • mean_w (Mean w (vertical) wind component)
  • skew_u (Skewness of variable mean_u)
  • qc_corr_soil_heat_flow_5 (Quality check results on field: Soil heat flow 5, corrected for soil moisture)
  • qc_soil_moisture_1 (Quality check results on field: Soil moisture 1, gravimetric)
  • cvar_vw (Covariance vw)
  • atm_pres (Average atmospheric pressure (IGRA internal sensor))
  • mean_cooler (Average voltage of IRGA cooler)
  • soil_temp_2 (Soil temperature 2)
  • n_spk_c (Number of c samples removed due to spikes)
  • kurt_q (Kurtosis of variable mean_q)
  • mean_c (Mean CO2 density)
  • rho (Moist air density)
  • real_cp (Status of source for specific heat of moist air)
  • mean_v (Mean v wind component)
  • n_bad_irga_light (Number of samples with IRGA optical path blocked flag)
  • surface_soil_heat_flux_5 (Surface soil heat flux 5)
  • qc_var_c (Quality check results on field: Variance of variable mean_c)
  • n_spk_v (Number of v samples removed due to spikes)
  • soil_heat_flow_3 (Soil heat flow 3)
  • mean_spk_v (Mean value of "spike" v samples)
  • soil_heat_capacity_4 (Soil heat capacity 4)
  • vapor_pressure_bottom (Bottom vapor pressure)
  • surface_soil_heat_flux_avg (Surface soil heat flux, average of fluxes 1-5)
  • qc_energy_storage_change_4 (Quality check results on field: Change in energy storage 4, 0-5 cm soil layer)
  • qc_soil_heat_flow_5 (Quality check results on field: Soil heat flow 5)
  • qc_home_signal_15 (Quality check results on field: AEM position indicator 0 to 15 mins)
  • corr_soil_heat_flow_1 (Soil heat flow 1, corrected for soil moisture)
  • qc_surface_soil_heat_flux_2 (Quality check results on field: Surface soil heat flux 2)
  • qc_soil_heat_capacity_4 (Quality check results on field: Soil heat capacity 4)
  • mean_spk_w (Mean value of "spike" w samples)
  • mean_q (Mean water vapor density)
  • qc_energy_storage_change_1 (Quality check results on field: Change in energy storage 1, 0-5 cm soil layer)
  • net_radiation (Net radiation)
  • qc_temp_trh_bottom (Quality check results on field: Bottom T/RH sensor temperature)
  • std_elev (Standard deviation of wind elevation angle)
  • energy_storage_change_3 (Change in energy storage 3, 0-5 cm soil layer)
  • qc_lv_e (Quality check results on field: Latent heat flux)
  • soil_moisture_5 (Soil moisture 5, gravimetric)
  • qc_home_signal_30 (Quality check results on field: AEM position indicator 15 to 30 mins)
  • qc_std_wind_dir (Quality check results on field: Standard deviation of wind direction)
  • soil_temp_5 (Soil temperature 5)
  • real_mr (Status of source for mixing ratio)
  • qc_soil_heat_capacity_1 (Quality check results on field: Soil heat capacity 1)
  • qc_temp_air_top (Quality check results on field: Top air temperature)
  • be_sensible_heat_flux (Best estimate sensible heat flux)
  • temp_trh_bottom (Bottom T/RH sensor temperature)
  • surface_soil_heat_flux_4 (Surface soil heat flux 4)
  • kurt_u (Kurtosis of variable mean_u)
  • surface_soil_heat_flux_2 (Surface soil heat flux 2)
  • home_signal_30 (AEM position indicator 15 to 30 mins)
  • qc_surface_soil_heat_flux_4 (Quality check results on field: Surface soil heat flux 4)
  • n_good_t (Number of valid t samples)
  • qc_n_good_w (Quality check results on field: Number of valid w samples)
  • qc_wdir_vec_std (Quality check results on field: Wind direction vector mean standard deviation)
  • qc_atm_pres (Quality check results on field: Average atmospheric pressure (IGRA internal sensor))
  • cvar_rot_vw (Rotated covariance vw)
  • qc_temp_trh_top (Quality check results on field: Top T/RH sensor temperature)
  • qc_lv (Quality check results on field: Latent heat of vaporization)
  • wdir_vec_mean (Wind direction vector mean)
  • mr (Mixing ratio)
  • vapor_pressure_top (Top vapor pressure)
  • latent_heat_flux (Latent heat flux)
  • cvar_uv (Covariance uv)
  • energy_storage_change_2 (Change in energy storage 2, 0-5 cm soil layer)
  • var_u (Variance of variable mean_u)
  • qc_surface_soil_heat_flux_avg (Quality check results on field: Surface soil heat flux, average of fluxes 1-5)
  • qc_n_good_v (Quality check results on field: Number of valid v samples)
  • surface_soil_heat_flux_3 (Surface soil heat flux 3)
  • cvar_wc (Covariance wc)
  • sensible_heat_flux (Sensible heat flux)
  • temp_reference (Reference temperature in enclosure)
  • qc_energy_storage_change_2 (Quality check results on field: Change in energy storage 2, 0-5 cm soil layer)
  • skew_w (Skewness of variable mean_w)
  • qc_rho (Quality check results on field: Moist air density)
  • cvar_rot_wq (Rotated covariance wq)
  • soil_heat_capacity_5 (Soil heat capacity 5)
  • qc_soil_temp_2 (Quality check results on field: Soil temperature 2)
  • qc_bowen_ratio (Quality check results on field: Bowen ratio)
  • friction_velocity (Friction velocity)
  • qc_mean_t (Quality check results on field: Mean t temperature (sonic anemometer))
  • qc_k (Quality check results on field: Momentum flux (dynamic))
  • qc_rh_top_fraction (Quality check results on field: Top relative humidity (fractional))
  • qc_soil_temp_4 (Quality check results on field: Soil temperature 4)
  • kurt_t (Kurtosis of variable mean_t)
  • time_bounds (Time cell bounds)
  • soil_temp_3 (Soil temperature 3)
  • mean_rot_v (Rotated mean v)
  • qc_var_t (Quality check results on field: Variance of variable mean_t)
  • qc_n_good_t (Quality check results on field: Number of valid t samples)
  • qc_energy_storage_change_3 (Quality check results on field: Change in energy storage 3, 0-5 cm soil layer)
  • cvar_wq (Covariance wq)
  • soil_heat_capacity_3 (Soil heat capacity 3)
  • corr_soil_heat_flow_3 (Soil heat flow 3, corrected for soil moisture)
  • qc_atmos_pressure (Quality check results on field: Atmospheric pressure)
  • qc_mean_q (Quality check results on field: Mean water vapor density)
  • wind_spd (Vector averaged wind speed)
  • var_q (Variance of variable mean_q)
  • aerodynamic_sensible_heat_flux (Aerodynamic sensible heat flux)
  • lat (North latitude)
  • mean_t (Mean t temperature (sonic anemometer))
  • rh_top_fraction (Top relative humidity (fractional))
 
DQR ID: D151209.1    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2015-11-26 12:30:00 2015-11-30 15:30:00 Incorrect
Subject: SGP/ECOR/E14/E21/E31/E33/E37/E38/E39 - Sensible and Latent Heat, and CO2 Fluxes Incorrect
Affected Datastreams: sgp30ecorE38.b1
Description Icing conditions caused sensible and latent heat fluxes and CO2 flux to be incorrect during much of this period.
Measurements
  • mean_q (Mean water vapor density)
  • ustar (Friction velocity)
  • mean_spk_w (Mean value of "spike" w samples)
  • mean_spk_u (Mean value of "spike" u samples)
  • mean_spk_t (Mean value of "spike" t samples)
  • std_elev (Standard deviation of wind elevation angle)
  • elev (Vertical (elevation) wind angle)
  • k (Momentum flux (dynamic))
  • cvar_rot_uw (Rotated covariance uw)
  • cvar_rot_vc (Rotated covariance vc)
  • cvar_uq (Covariance uq)
  • mean_rot_u (Rotated mean u)
  • cvar_tc (Covariance tc)
  • cvar_rot_vt (Rotated covariance vt)
  • mean_u (Mean u wind component)
  • wind_dir (Vector averaged wind direction)
  • var_v (Variance of variable mean_v)
  • cvar_wt (Covariance wt)
  • real_mr (Status of source for mixing ratio)
  • var_t (Variance of variable mean_t)
  • cvar_rot_uc (Rotated covariance uc)
  • h (Sensible heat flux at surface, upward positve)
  • cvar_rot_uv (Rotated covariance uv)
  • mean_spk_q (Mean value of "spike" q samples)
  • mean_spk_c (Mean value of "spike" c samples)
  • cvar_rot_uq (Rotated covariance uq)
  • lv (Latent heat of vaporization)
  • cvar_rot_vw (Rotated covariance vw)
  • mr (Mixing ratio)
  • mean_rot_w (Rotated mean w)
  • var_rot_u (Rotated variance u)
  • cvar_uv (Covariance uv)
  • cvar_rot_wt (Rotated covariance wt)
  • var_u (Variance of variable mean_u)
  • lv_e (Latent heat flux)
  • fc (CO2 flux)
  • mean_w (Mean w (vertical) wind component)
  • cvar_rot_ut (Rotated covariance ut)
  • temp_irga (Average temperature (IGRA internal sensor))
  • cvar_wc (Covariance wc)
  • cvar_uw (Covariance uw)
  • real_lv (Status of source for latent heat of vaporization)
  • std_wind_dir (Standard deviation of wind direction)
  • cvar_vq (Covariance vq)
  • cvar_vw (Covariance vw)
  • cvar_rot_wq (Rotated covariance wq)
  • h (Sensible heat flux)
  • cvar_tq (Covariance tq)
  • cvar_vt (Covariance vt)
  • cp (Specific heat of moist air)
  • mean_cooler (Average voltage of IRGA cooler)
  • mean_c (Mean CO2 density)
  • rho (Moist air density)
  • cvar_rot_wc (Rotated covariance wc)
  • cvar_uc (Covariance uc)
  • cvar_vc (Covariance vc)
  • real_cp (Status of source for specific heat of moist air)
  • real_rho (Status of source for moist air density)
  • cvar_ut (Covariance ut)
  • mean_v (Mean v wind component)
  • mean_rot_v (Rotated mean v)
  • var_c (Variance of variable mean_c)
  • lv_e (Latent heat flux at surface, upward positve)
  • cvar_rot_vq (Rotated covariance vq)
  • mean_spk_v (Mean value of "spike" v samples)
  • cvar_wq (Covariance wq)
  • var_rot_v (Rotated variance v)
  • wind_spd (Vector averaged wind speed)
  • var_q (Variance of variable mean_q)
  • var_w (Variance of variable mean_w)
  • mean_t (Mean t temperature (sonic anemometer))
  • var_rot_w (Rotated variance w)
  • cvar_qc (Covariance qc)
 
DQR ID: D150908.1    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2015-08-18 14:00:00 2015-08-21 21:00:00 Incorrect
Subject: SGP/EBBR/E13 - Sensible and Latent Heat Fluxes Incorrect
Affected Datastreams: sgp30ebbrE13.b1
Description During the start day and end day the AEM did not work for part of the day, resulting in incorrect sensible and latent heat fluxes at those times.
Measurements
  • latent_heat_flux (Latent heat flux)
  • sensible_heat_flux (Sensible heat flux)
  • bowen_ratio (Bowen ratio)
 
DQR ID: D150707.2    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2015-06-13 03:30:00 2015-06-26 16:00:00 Incorrect
Subject: SGP/EBBR/E13 - Sensible and Latent Heat Fluxes Incorrect When AEM Not Working
Affected Datastreams: sgp30ebbrE13.b1
Description Sensible and Latent Heat Fluxes were incorrect when the AEM was not working.
Measurements
  • latent_heat_flux (Latent heat flux)
  • sensible_heat_flux (Sensible heat flux)
  • bowen_ratio (Bowen ratio)
 
DQR ID: D151201.2    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2015-11-27 00:00:00 2015-11-30 23:59:59 Note
Subject: SGP ALL INSTRUMENTS - Icing Event
Affected Datastreams: sgp30baebbrE35.c1
Description An icing event (winter storm Cara) passed slowly through the area during this time frame. Instruments at the SGP may have been affected by ice accumulation.
Measurements
  • k (Momentum flux (dynamic))
  • cvar_rot_vc (Rotated covariance vc)
  • mean_rot_u (Rotated mean u)
  • cvar_uq (Covariance uq)
  • mean_u (Mean u wind component)
  • vegetation_height (Vegetation height outside fence)
  • cvar_wt (Covariance wt)
  • solar_radiation (Solar radiation calculated from time of day, lat, and lon)
  • temp_air_bottom (Bottom air temperature)
  • mean_t (Mean t temperature (sonic anemometer))
  • soil_temp_4 (Soil temperature 4)
  • n_good_c (Number of valid c samples)
  • var_t (Variance of variable mean_t)
  • cvar_rot_uc (Rotated covariance uc)
  • cvar_rot_uv (Rotated covariance uv)
  • n_bad_c (Number of bad or out of range c samples)
  • cvar_rot_uq (Rotated covariance uq)
  • n_spk_q (Number of q samples removed due to spikes)
  • n_spk_u (Number of u samples removed due to spikes)
  • mean_rot_w (Rotated mean w)
  • n_bad_w (Number of bad or out of range w samples)
  • cvar_rot_wt (Rotated covariance wt)
  • kurt_w (Kurtosis of variable mean_w)
  • n_bad_q (Number of bad or out of range q samples)
  • fc (CO2 flux)
  • cvar_rot_ut (Rotated covariance ut)
  • temp_irga (Average temperature (IGRA internal sensor))
  • kurt_v (Kurtosis of variable mean_v)
  • cvar_uw (Covariance uw)
  • cvar_vq (Covariance vq)
  • atmos_pressure (Atmospheric pressure)
  • cvar_vt (Covariance vt)
  • h (Sensible heat flux)
  • cp (Specific heat of moist air)
  • cvar_uc (Covariance uc)
  • cvar_vc (Covariance vc)
  • kurt_c (Kurtosis of variable mean_c)
  • skew_t (Skewness of variable mean_t)
  • n_good_v (Number of valid v samples)
  • bowen_ratio (Bowen ratio)
  • soil_moisture_2 (Soil moisture 2, gravimetric)
  • corr_soil_heat_flow_4 (Soil heat flow 4, corrected for soil moisture)
  • n_good_q (Number of valid q samples)
  • mean_spk_q (Mean value of "spike" q samples)
  • cvar_qc (Covariance qc)
  • ustar (Friction velocity)
  • energy_storage_change_1 (Change in energy storage 1, 0-5 cm soil layer)
  • mean_spk_t (Mean value of "spike" t samples)
  • temp_air_top (Top air temperature)
  • soil_heat_flow_2 (Soil heat flow 2)
  • cvar_tc (Covariance tc)
  • wind_dir (Vector averaged wind direction)
  • n_bad_u (Number of bad or out of range u samples)
  • var_v (Variance of variable mean_v)
  • home_signal_15 (AEM position indicator 0 to 15 mins)
  • energy_storage_change_5 (Change in energy storage 5, 0-5 cm soil layer)
  • skew_v (Skewness of variable mean_v)
  • n_good_u (Number of valid u samples)
  • lv (Latent heat of vaporization)
  • wspd_arith_mean (Wind speed arithmetic mean)
  • aerodynamic_latent_heat_flux (Aerodynamic latent heat flux)
  • var_rot_u (Rotated variance u)
  • n_bad_v (Number of bad or out of range v samples)
  • lv_e (Latent heat flux)
  • surface_soil_heat_flux_1 (Surface soil heat flux 1)
  • soil_moisture_3 (Soil moisture 3, gravimetric)
  • n_bad_t (Number of bad or out of range t samples)
  • real_lv (Status of source for latent heat of vaporization)
  • std_wind_dir (Standard deviation of wind direction)
  • cvar_tq (Covariance tq)
  • energy_storage_change_4 (Change in energy storage 4, 0-5 cm soil layer)
  • corr_soil_heat_flow_2 (Soil heat flow 2, corrected for soil moisture)
  • n_good_w (Number of valid w samples)
  • n_bad_son_ic (number of samples with bad sonic status flag)
  • skew_c (Skewness of variable mean_c)
  • cvar_rot_wc (Rotated covariance wc)
  • real_rho (Status of source for moist air density)
  • cvar_ut (Covariance ut)
  • var_c (Variance of variable mean_c)
  • lv_e (Latent heat flux at surface, upward positve)
  • soil_moisture_1 (Soil moisture 1, gravimetric)
  • temp_trh_top (Top T/RH sensor temperature)
  • var_rot_v (Rotated variance v)
  • cvar_rot_vq (Rotated covariance vq)
  • var_w (Variance of variable mean_w)
  • var_rot_w (Rotated variance w)
  • phi (Rotation to v wind component = zero)
  • mean_spk_u (Mean value of "spike" u samples)
  • wspd_vec_mean (Wind speed vector mean)
  • skew_q (Skewness of variable mean_q)
  • cvar_rot_uw (Rotated covariance uw)
  • cvar_rot_vt (Rotated covariance vt)
  • elev (Vertical (elevation) wind angle)
  • be_latent_heat_flux (Best estimate latent heat flux)
  • soil_heat_flow_5 (Soil heat flow 5)
  • soil_moisture_4 (Soil moisture 4, gravimetric)
  • n_spk_w (Number of w samples removed due to spikes)
  • soil_temp_1 (Soil temperature 1)
  • soil_heat_capacity_1 (Soil heat capacity 1)
  • wdir_vec_std (Wind direction vector mean standard deviation)
  • h (Sensible heat flux at surface, upward positve)
  • soil_heat_capacity_2 (Soil heat capacity 2)
  • rh_bottom_fraction (Bottom relative humidity (fractional))
  • mean_spk_c (Mean value of "spike" c samples)
  • soil_heat_flow_1 (Soil heat flow 1)
  • n_bad_irga (Number of samples with "IRGA hardware problem" flag)
  • soil_heat_flow_4 (Soil heat flow 4)
  • corr_soil_heat_flow_5 (Soil heat flow 5, corrected for soil moisture)
  • mean_w (Mean w (vertical) wind component)
  • skew_u (Skewness of variable mean_u)
  • cvar_vw (Covariance vw)
  • atm_pres (Average atmospheric pressure (IGRA internal sensor))
  • mean_cooler (Average voltage of IRGA cooler)
  • soil_temp_2 (Soil temperature 2)
  • n_spk_c (Number of c samples removed due to spikes)
  • kurt_q (Kurtosis of variable mean_q)
  • mean_c (Mean CO2 density)
  • rho (Moist air density)
  • real_cp (Status of source for specific heat of moist air)
  • mean_v (Mean v wind component)
  • surface_soil_heat_flux_5 (Surface soil heat flux 5)
  • n_bad_irga_light (Number of samples with IRGA optical path blocked flag)
  • n_spk_v (Number of v samples removed due to spikes)
  • soil_heat_flow_3 (Soil heat flow 3)
  • mean_spk_v (Mean value of "spike" v samples)
  • soil_heat_capacity_4 (Soil heat capacity 4)
  • vapor_pressure_bottom (Bottom vapor pressure)
  • surface_soil_heat_flux_avg (Surface soil heat flux, average of fluxes 1-5)
  • corr_soil_heat_flow_1 (Soil heat flow 1, corrected for soil moisture)
  • mean_q (Mean water vapor density)
  • mean_spk_w (Mean value of "spike" w samples)
  • net_radiation (Net radiation)
  • std_elev (Standard deviation of wind elevation angle)
  • energy_storage_change_3 (Change in energy storage 3, 0-5 cm soil layer)
  • soil_moisture_5 (Soil moisture 5, gravimetric)
  • soil_temp_5 (Soil temperature 5)
  • real_mr (Status of source for mixing ratio)
  • be_sensible_heat_flux (Best estimate sensible heat flux)
  • temp_trh_bottom (Bottom T/RH sensor temperature)
  • surface_soil_heat_flux_4 (Surface soil heat flux 4)
  • surface_soil_heat_flux_2 (Surface soil heat flux 2)
  • kurt_u (Kurtosis of variable mean_u)
  • home_signal_30 (AEM position indicator 15 to 30 mins)
  • n_good_t (Number of valid t samples)
  • cvar_rot_vw (Rotated covariance vw)
  • mr (Mixing ratio)
  • wdir_vec_mean (Wind direction vector mean)
  • vapor_pressure_top (Top vapor pressure)
  • latent_heat_flux (Latent heat flux)
  • cvar_uv (Covariance uv)
  • energy_storage_change_2 (Change in energy storage 2, 0-5 cm soil layer)
  • var_u (Variance of variable mean_u)
  • surface_soil_heat_flux_3 (Surface soil heat flux 3)
  • cvar_wc (Covariance wc)
  • sensible_heat_flux (Sensible heat flux)
  • temp_reference (Reference temperature in enclosure)
  • skew_w (Skewness of variable mean_w)
  • cvar_rot_wq (Rotated covariance wq)
  • soil_heat_capacity_5 (Soil heat capacity 5)
  • friction_velocity (Friction velocity)
  • kurt_t (Kurtosis of variable mean_t)
  • soil_temp_3 (Soil temperature 3)
  • mean_rot_v (Rotated mean v)
  • cvar_wq (Covariance wq)
  • soil_heat_capacity_3 (Soil heat capacity 3)
  • corr_soil_heat_flow_3 (Soil heat flow 3, corrected for soil moisture)
  • wind_spd (Vector averaged wind speed)
  • var_q (Variance of variable mean_q)
  • aerodynamic_sensible_heat_flux (Aerodynamic sensible heat flux)
  • n_spk_t (Number of t samples removed due to spikes)
  • rh_top_fraction (Top relative humidity (fractional))