Data Quality Reports for Session: 146393 User: renata Completed: 12/04/2012


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D040217.2SGP/CO2FLX/C1 - Reprocessing User Notessgp30co2flx25mC1.b1, sgp30co2flx4mC1.b1, sgp30co2flx4mmetC1.b1, sgp30co2flx60mC1.b1
D041026.1SGP/CO2FLX/C1 - Reprocess: Unitssgp30co2flx25mC1.b1, sgp30co2flx4mC1.b1, sgp30co2flx60mC1.b1
D070803.2SGP/CO2FLX/C1 - Disturbance around sitesgp30co2flx25mC1.b1, sgp30co2flx4mC1.b1, sgp30co2flx4mmetC1.b1, sgp30co2flx60mC1.b1


DQRID : D040217.2
Start DateStart TimeEnd DateEnd Time
12/18/2002000002/17/20040000
Subject:
SGP/CO2FLX/C1 - Reprocessing User Notes
DataStreams:sgp30co2flx25mC1.b1, sgp30co2flx4mC1.b1, sgp30co2flx4mmetC1.b1, sgp30co2flx60mC1.b1
Description:
Format Changes:
  To comply with archive standards, the name of the unlimited dimention variable in the 
cdf level b1 files was changed from 'record' to 'time'. This does not affect data quality.
Measurements:sgp30co2flx4mC1.b1:
  • WPL H correction to fc(fc_wpl_h)
  • Mean horizontal wind speed(mean_rot_u)
  • doy
  • WPL LE correction to fc(fc_wpl_le)
  • variance of variable t(var_t)
  • friction velocity(ustar)
  • base_time
  • variance of variable q(var_q)
  • variance of variable c(var_c)
  • Corrected sensible heat flux(h)
  • theta
  • site_elevation
  • Mean sonic temperature (t), i.e. virtual temperature(mean_t)
  • Mean H2O density(mean_q)
  • mean_p
  • rotated variance w(var_rot_w)
  • rotated variance v(var_rot_v)
  • rotated variance u(var_rot_u)
  • WPL corrected latent heat flux(le)
  • yyyydddhhmmss
  • phi
  • Mean CO2 density(mean_c)
  • site_longitude
  • WPL corrected CO2 flux(fc_corr)
  • Monin-Obukhov length scale(Lmoni)
  • Unit Vector Wind Direction(wdir)
  • time_offset
  • site_latitude
  • zm

sgp30co2flx4mmetC1.b1:
  • Mean air temperature (lower level)(t_air_lower)
  • Mean CO2 density(mean_c)
  • z_m_soil_upper
  • base_time
  • Unit Vector Wind Direction(wdir)
  • Average of two upper soil temperature sensors(mean_t_soil_upper)
  • phi
  • Mean relative humidity (upper level)(rh_upper)
  • stderr_mean_m_soil_lower
  • z_upper
  • Mean air temperature (upper level)(t_air_upper)
  • Downwelling longwave hemispheric irradiance; t_rad corrected(r_down_long_hemisp)
  • Average of four lower soil moisture sensors(mean_m_soil_lower)
  • Total downwelling shortwave radiation (LI-200 sensor)(r_tot)
  • doy
  • stderr_mean_g_soil
  • mean_p
  • Mean H2O density(mean_q)
  • Mean sonic temperature (t), i.e. virtual temperature(mean_t)
  • stderr_mean_t_soil_lower
  • Average of four upper soil moisture sensors(mean_m_soil_upper)
  • t_rad
  • site_elevation
  • stderr_mean_t_soil_middle
  • Average of two lower soil temperature sensors(mean_t_soil_lower)
  • yyyydddhhmmss
  • Net solar radiation (NR-lite); t_rad corrected(r_net)
  • Mean relative humidity (lower level)(rh_lower)
  • rotated variance w(var_rot_w)
  • z_lower
  • zrad
  • rotated variance v(var_rot_v)
  • z_t_soil_lower
  • rotated variance u(var_rot_u)
  • Upwelling shortwave hemispheric irradiance; t_rad corrected(r_up_short_hemisp)
  • Average of four soil heat flux probes(mean_g_soil)
  • theta
  • WPL LE correction to fc(fc_wpl_le)
  • site_longitude
  • friction velocity(ustar)
  • Mean horizontal wind speed(mean_rot_u)
  • Average of two middle soil temperature sensors(mean_t_soil_middle)
  • zm
  • Pressure, atmospheric, at 1-m height, 30-min intervals(bar_pres)
  • Downwelling shortwave hemispheric irradiance; t_rad corrected(r_down_short_hemisp)
  • WPL H correction to fc(fc_wpl_h)
  • WPL corrected latent heat flux(le)
  • z_m_soil_lower
  • z_t_soil_middle
  • Monin-Obukhov length scale(Lmoni)
  • site_latitude
  • Upwelling longwave hemispheric irradiance; t_rad corrected(r_up_long_hemisp)
  • z_t_soil_upper
  • time_offset
  • Photosynthetic photon flux density (PAR)(ppfd)
  • variance of variable t(var_t)
  • stderr_mean_m_soil_upper
  • stderr_mean_t_soil_upper
  • Precipitation, total(precip)
  • variance of variable q(var_q)
  • WPL corrected CO2 flux(fc_corr)
  • variance of variable c(var_c)
  • Corrected sensible heat flux(h)
  • z_g_soil

sgp30co2flx60mC1.b1:
  • Mean CO2 density(mean_c)
  • Mean sonic temperature (t), i.e. virtual temperature(mean_t)
  • friction velocity(ustar)
  • mean_p
  • Mean H2O density(mean_q)
  • Unit Vector Wind Direction(wdir)
  • zm
  • time_offset
  • site_latitude
  • yyyydddhhmmss
  • rotated variance v(var_rot_v)
  • rotated variance u(var_rot_u)
  • rotated variance w(var_rot_w)
  • WPL corrected CO2 flux(fc_corr)
  • Corrected sensible heat flux(h)
  • variance of variable t(var_t)
  • theta
  • doy
  • base_time
  • phi
  • site_longitude
  • variance of variable q(var_q)
  • variance of variable c(var_c)
  • Mean horizontal wind speed(mean_rot_u)
  • WPL H correction to fc(fc_wpl_h)
  • Monin-Obukhov length scale(Lmoni)
  • WPL corrected latent heat flux(le)
  • site_elevation
  • WPL LE correction to fc(fc_wpl_le)

sgp30co2flx25mC1.b1:
  • variance of variable c(var_c)
  • zm
  • yyyydddhhmmss
  • Mean H2O density(mean_q)
  • mean_p
  • WPL H correction to fc(fc_wpl_h)
  • Mean sonic temperature (t), i.e. virtual temperature(mean_t)
  • time_offset
  • base_time
  • site_elevation
  • Mean CO2 density(mean_c)
  • phi
  • variance of variable t(var_t)
  • variance of variable q(var_q)
  • Monin-Obukhov length scale(Lmoni)
  • Unit Vector Wind Direction(wdir)
  • site_longitude
  • site_latitude
  • rotated variance u(var_rot_u)
  • rotated variance v(var_rot_v)
  • rotated variance w(var_rot_w)
  • Mean horizontal wind speed(mean_rot_u)
  • doy
  • Corrected sensible heat flux(h)
  • WPL corrected latent heat flux(le)
  • friction velocity(ustar)
  • WPL corrected CO2 flux(fc_corr)
  • theta
  • WPL LE correction to fc(fc_wpl_le)


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DQRID : D041026.1
Start DateStart TimeEnd DateEnd Time
12/18/2002000010/12/20042359
Subject:
SGP/CO2FLX/C1 - Reprocess: Units
DataStreams:sgp30co2flx25mC1.b1, sgp30co2flx4mC1.b1, sgp30co2flx60mC1.b1
Description:
Mean CO2 density units are incorrectly labeled as umol m-3. Units should be labeled as 
mmol m-3.
Measurements:sgp30co2flx4mC1.b1:
  • Mean CO2 density(mean_c)

sgp30co2flx60mC1.b1:
  • Mean CO2 density(mean_c)

sgp30co2flx25mC1.b1:
  • Mean CO2 density(mean_c)


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DQRID : D070803.2
Start DateStart TimeEnd DateEnd Time
07/24/2007130007/26/20072359
Subject:
SGP/CO2FLX/C1 - Disturbance around site
DataStreams:sgp30co2flx25mC1.b1, sgp30co2flx4mC1.b1, sgp30co2flx4mmetC1.b1, sgp30co2flx60mC1.b1
Description:
A bulldozer used to excavate the SGP Tower anchors was right around (within 10 feet) our 
systems.
Measurements:sgp30co2flx4mC1.b1:
  • WPL corrected CO2 flux(fc_corr)
  • Mean CO2 density(mean_c)

sgp30co2flx4mmetC1.b1:
  • WPL corrected CO2 flux(fc_corr)
  • Mean CO2 density(mean_c)

sgp30co2flx60mC1.b1:
  • Mean CO2 density(mean_c)
  • WPL corrected CO2 flux(fc_corr)

sgp30co2flx25mC1.b1:
  • WPL corrected CO2 flux(fc_corr)
  • Mean CO2 density(mean_c)


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