DQR ID | Subject | Data Streams Affected |
---|
D040212.4 | SGP/PGS/C1 - Reprocessing User Notes | sgppgsC1.b1 |
D040217.2 | SGP/CO2/C1 - Reprocessing User Notes | sgp30co2flx4mC1.b1, sgp30co2flx25mC1.b1, sgp30co2flx60mC1.b1, sgp30co2flx4mmetC1.b1 |
D040217.3 | SGP/CO2/C1 - Reprocessing User Notes | sgp30co2flx4mmetC1.b1 |
D040505.5 | SGP/CO2/C1 - Longwave Radiation Incorrect | sgp30co2flx4mmetC1.b1 |
D041015.2 | SGP/PGS/C1 - Reprocessing User Notes | sgppgsC1.b1 |
D041026.1 | SGP/CO2/C1 - Reprocess: Units | sgp30co2flx4mC1.b1, sgp30co2flx25mC1.b1, sgp30co2flx60mC1.b1 |
D041103.1 | SGP/CO2/C1 - Mean CO2 density incorrect, CO2 flux suspect | sgp30co2flx60mC1.b1 |
D050111.1 | SGP/PGS/C1 - Incorrect 60m Data | sgppgsC1.b1 |
D050316.1 | SGP/CO2/C1 - Reprocessed: User Notes | sgp30co2flx4mmetC1.b1 |
D051116.2 | SGP/CO2/C1 - downwelling longwave hemispheric irradiance incorrect | sgp30co2flx4mmetC1.b1 |
D051116.3 | SGP/CO2/C1 - Soil Temperature measurements | sgp30co2flx4mmetC1.b1 |
D051118.1 | SGP/PGS/C1 - Suspicious 4m data | sgppgsC1.b1 |
D051118.2 | SGP/PGS/C1 - Suspicious 2m data | sgppgsC1.b1 |
D051118.3 | SGP/PGS/C1 - Suspicious 25m and 60m data | sgppgsC1.b1 |
D051118.4 | SGP/PGS/C1 - Updated files | sgppgsC1.b1 |
D060107.1 | SGP/CO2/C1 - Reprocess: calibration error | sgp30co2flx4mC1.b1 |
D060510.1 | SGP/CO2/C1 - Met stand was moved | sgp30co2flx4mmetC1.b1 |
Subject: | SGP/PGS/C1 - Reprocessing User Notes |
DataStreams: | sgppgsC1.b1
|
Description: | Time Variables - to make the PGS system more consistent with LBNL's other data streams,
the variable 'yyyymmddhhmmss' was renamed 'yyyydddhhmmss'. Also, at the bottom of each
file, variables 'yyyy','mon','hour','min' were added for those users who prefer to use these
variables instead. The new 'time' variable (seconds since midnight of the start of file)
was added to make files compatible with the new recommendations.
Quality Control Flags - to prevent confusion, the quality control flags 'qc_co2ppm' and
'qc_sum_co2' were combined. The flag 'qc_sum_co2' was elliminated and 'qc_co2ppm' now
performs range checking on 'co2ppm' variable as well as checking values of all dependencies'
qc flags. |
Measurements: | sgppgsC1.b1: - 90% confidence limit of co2ppm(co2ppm_se)
- Pressure of channel 2(pres2)
- reading of CO2 in mV(co2mv)
- reference CO2 reading in mV(ref)
- calibration coefficient 1 (quadratic fit)(coeff1)
- calibration coefficient 3 (quadratic fit)(coeff3)
- longitude of instument location(site_longitude)
- pressure inside the IRGA box measured by the pressure controller(pres_ctrlr)
- Temperature in refigerator(t_refrig)
- flow rate measured by the mass flow controller(flow_rate)
- calibration coefficient 2 (quadratic fit) 90% confidence limit(coeff2_se)
- p-value of co2 readings during the last 30sec of 3min period of raw data(co2mv_slope_pval)
- Sequential data channel number. See channel_explanation global attribute.(channel)
- Number of measurements for indicated channel(nmeas)
- calculated concentration of CO2(co2ppm)
- latitude of instument location(site_latitude)
- calibration coefficient 2 (quadratic fit)(coeff2)
- Second level of QC, see reject_flag_explanation global attribute(reject_flag)
- Pressure of channel 1(pres1)
- Date and time in alternate form(yyyymmddhhmmss)
- height of tower base from sea level(site_elevation)
- Slope of CO2 readings during last 30sec of 3min period of raw data(co2mv_slope)
- flag indicating which channel isotope sample was taken from(iso)
- Time offset from base_time(base_time)
- Pressure of channel 3(pres3)
- calibration coefficient 3 (quadratic fit) 90% confidence limit(coeff3_se)
- 90% confidence limint of co2mv_slope(co2mv_slope_se)
- temperature of the IRGA(t_irga)
- adjusted CO2(adj)
- r-squared of quadratic fit(r2)
- Pressure of channel 4(pres4)
- calibration coefficient 1 (quadratic fit) 90% confidence limit(coeff1_se)
- First level of QC, see warn_flag_explanation global attribute(warn_flag)
- standard deviation of co2mv(co2mv_se)
|
Subject: | SGP/CO2/C1 - Reprocessing User Notes |
DataStreams: | sgp30co2flx4mC1.b1, sgp30co2flx25mC1.b1, sgp30co2flx60mC1.b1, sgp30co2flx4mmetC1.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: | sgp30co2flx60mC1.b1: - height of tower base from sea level(site_elevation)
- corrected sensible heat flux(h)
- latitude of instument location(site_latitude)
- mean value of IRGA pressure(mean_p)
- variance of variable c(var_c)
- Date and time in alternate form(yyyydddhhmmss)
- mean sonic temperature (t), i.e. virtual temperature(mean_t)
- mean horizontal wind speed(mean_rot_u)
- Time offset of tweaks from base_time(time_offset)
- variance of variable q(var_q)
- rotated variance v(var_rot_v)
- fractional day of the year(doy)
- Vertical angle of wind(phi)
- rotated variance w(var_rot_w)
- Monin-Obukhov length scale(Lmoni)
- rotated variance u(var_rot_u)
- Unit Vector Wind Direction(wdir)
- friction velocity(ustar)
- additive WPL LE correction to c flux(fc_wpl_le)
- additive WPL H correction to c flux(fc_wpl_h)
- Time offset from base_time(base_time)
- rotation to zero w(theta)
- longitude of instument location(site_longitude)
- mean co2 concentration (c)(mean_c)
- height of instument from tower base(zm)
- variance of variable t(var_t)
- WPL corrected CO2 flux(fc_corr)
- mean water vapor concentration (q)(mean_q)
- WPL corrected latent heat flux(le)
sgp30co2flx4mC1.b1: - mean value of IRGA pressure(mean_p)
- variance of variable c(var_c)
- variance of variable t(var_t)
- WPL corrected latent heat flux(le)
- mean horizontal wind speed(mean_rot_u)
- Vertical angle of wind(phi)
- Monin-Obukhov length scale(Lmoni)
- variance of variable q(var_q)
- height of instument from tower base(zm)
- longitude of instument location(site_longitude)
- additive WPL LE correction to c flux(fc_wpl_le)
- mean sonic temperature (t), i.e. virtual temperature(mean_t)
- mean water vapor concentration (q)(mean_q)
- corrected sensible heat flux(h)
- additive WPL H correction to c flux(fc_wpl_h)
- Date and time in alternate form(yyyydddhhmmss)
- Unit Vector Wind Direction(wdir)
- mean co2 concentration (c)(mean_c)
- rotated variance w(var_rot_w)
- Time offset from base_time(base_time)
- rotated variance u(var_rot_u)
- rotated variance v(var_rot_v)
- rotation to zero w(theta)
- WPL corrected CO2 flux(fc_corr)
- latitude of instument location(site_latitude)
- Time offset of tweaks from base_time(time_offset)
- friction velocity(ustar)
- height of tower base from sea level(site_elevation)
- fractional day of the year(doy)
sgp30co2flx25mC1.b1: - Time offset from base_time(base_time)
- Monin-Obukhov length scale(Lmoni)
- WPL corrected latent heat flux(le)
- variance of variable t(var_t)
- rotated variance u(var_rot_u)
- Date and time in alternate form(yyyydddhhmmss)
- rotated variance v(var_rot_v)
- Vertical angle of wind(phi)
- Unit Vector Wind Direction(wdir)
- longitude of instument location(site_longitude)
- latitude of instument location(site_latitude)
- WPL corrected CO2 flux(fc_corr)
- height of instument from tower base(zm)
- variance of variable q(var_q)
- friction velocity(ustar)
- variance of variable c(var_c)
- additive WPL LE correction to c flux(fc_wpl_le)
- mean value of IRGA pressure(mean_p)
- rotated variance w(var_rot_w)
- mean sonic temperature (t), i.e. virtual temperature(mean_t)
- fractional day of the year(doy)
- mean co2 concentration (c)(mean_c)
- rotation to zero w(theta)
- mean horizontal wind speed(mean_rot_u)
- height of tower base from sea level(site_elevation)
- corrected sensible heat flux(h)
- additive WPL H correction to c flux(fc_wpl_h)
- mean water vapor concentration (q)(mean_q)
- Time offset of tweaks from base_time(time_offset)
sgp30co2flx4mmetC1.b1: - average of four lower soil moisture sensors(mean_m_soil_lower)
- standard error of mean_t_soil_middle note maximum of two values used in
calculation(stderr_mean_t_soil_middle) - average of two middle soil temperature sensors(mean_t_soil_middle)
- Time offset of tweaks from base_time(time_offset)
- corrected sensible heat flux(h)
- additive WPL H correction to c flux(fc_wpl_h)
- rotated variance v(var_rot_v)
- precipitation accumulated between outputs, 3-hr accumulation(precip)
- additive WPL LE correction to c flux(fc_wpl_le)
- rotated variance u(var_rot_u)
- rotation to zero w(theta)
- standard error of mean_t_soil_lower note maximum of two values used in
calculation(stderr_mean_t_soil_lower) - fractional day of the year(doy)
- WPL corrected CO2 flux(fc_corr)
- depth of soil heat flux probes(z_g_soil)
- height of radiation instruments(zrad)
- net solar radiation (NR-lite)(r_net)
- depth of lower m soil probes p(z_m_soil_lower)
- standard error of mean_m_soil_upper(stderr_mean_m_soil_upper)
- mean co2 concentration (c)(mean_c)
- height of lower RH/T sensor(z_lower)
- Date and time in alternate form(yyyydddhhmmss)
- mean water vapor concentration (q)(mean_q)
- variance of variable c(var_c)
- depth of middle t soil probes m(z_t_soil_middle)
- height of instument from tower base(zm)
- photosynthetic photon flux density (PAR)(ppfd)
- barometric pressure(bar_pres)
- upwelling longwave hemispheric irradiance t_rad corrected(r_up_long_hemisp)
- latitude of instument location(site_latitude)
- mean air temperature, upper level(t_air_upper)
- average of two lower soil temperature sensors(mean_t_soil_lower)
- Unit Vector Wind Direction(wdir)
- standard error of mean_t_soil_upper note maximum of two values used in
calculation(stderr_mean_t_soil_upper) - mean horizontal wind speed(mean_rot_u)
- mean sonic temperature (t), i.e. virtual temperature(mean_t)
- upwelling shortwave hemispheric irradiance t_rad corrected(r_up_short_hemisp)
- mean relative humidity, lower level(rh_lower)
- mean air temperature, lower level(t_air_lower)
- rotated variance w(var_rot_w)
- WPL corrected latent heat flux(le)
- mean value of IRGA pressure(mean_p)
- downwelling shortwave hemispheric irradiance t_rad corrected(r_down_short_hemisp)
- friction velocity(ustar)
- Time offset from base_time(base_time)
- height of upper RH/T sensor(z_upper)
- height of tower base from sea level(site_elevation)
- variance of variable q(var_q)
- standard error of mean_g_soil(stderr_mean_g_soil)
- radiometer body temperature (for longwave correction)(t_rad)
- longitude of instument location(site_longitude)
- variance of variable t(var_t)
- downwelling longwave hemispheric irradiance t_rad corrected(r_down_long_hemisp)
- average of four upper soil moisture sensors(mean_m_soil_upper)
- average of up to four soil heat flux sensors(mean_g_soil)
- total downwelling shortwave radiation (LI-200 sensor)(r_tot)
- depth of upper t soil probes m(z_t_soil_upper)
- depth of upper m soil probes m(z_m_soil_upper)
- Vertical angle of wind(phi)
- depth of lower t soil probes m(z_t_soil_lower)
- mean relative humidity, upper level(rh_upper)
- standard error of mean_m_soil_lower(stderr_mean_m_soil_lower)
- average of two upper soil temperature sensors(mean_t_soil_upper)
- Monin-Obukhov length scale(Lmoni)
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