Data Quality Reports for Session: 128579 User: kcwang Completed: 06/24/2010

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D040826.1SGP/ECOR/E24 - Reprocess: Sonic analog input failuresgp30ecorE24.b1
D041008.1SGP/ECOR/E24 - Missing datasgp30ecorE24.b1
D050421.3SGP/ECOR/E24 - Reprocess: Incorrectly flagged (marked as "bad") H2O/CO2 datasgp30ecorE24.b1
D050922.1SGP/ECOR/E24 - Reprocess: Time Was 7 Hours Behindsgp30ecorE24.b1
D051031.6SGP/ECOR/E24 - CO2/H2O Incorrectsgp30ecorE24.b1
D051101.12SGP/ECOR/E24 - CO2 and H2O Fluxes and Means Incorrectsgp30ecorE24.b1
D061103.4SGP/ECOR/E24 - Reprocess: ECOR Time 7 Hours Behindsgp30ecorE24.b1
D080313.1SGP/ECOR/E24 - Water Vapor Density Incorrectsgp30ecorE24.b1
D080428.1SGP/ECOR/E24 - Half Hours of Data Missingsgp30ecorE24.b1


DQRID : D040826.1
Start DateStart TimeEnd DateEnd Time
06/04/2004100009/16/20041730
Subject:
SGP/ECOR/E24 - Reprocess: Sonic analog input failure
DataStreams:sgp30ecorE24.b1
Description:
All the data based on H2O and CO2 "analog signals" (latent heat flux, CO2 flux, etc.) are 
incorrect for the period of 10:00 June 4, 2004 to 17:30 Sept. 16, 2004 due to to failure 
in sonic anemometer analog input circuitry.  Correct water vapor density and CO2 
concentration data are stored in IRGA (infrared gas analyzer) raw data files (sgpecorE24.00 
datastream); that data may be used to re-calculate fluxes.
Measurements:sgp30ecorE24.b1:
  • condensation pressure(cp)
  • variance of c(var_c)
  • covariance of tc(cvar_tc)
  • covariance vc(cvar_vc)
  • rotated covariance uq(cvar_rot_uq)
  • covariance vq(cvar_vq)
  • Water vapor density (q)(mean_q)
  • rotated covariance uc(cvar_rot_uc)
  • covariance of qc(cvar_qc)
  • covariance uq(cvar_uq)
  • number of valid q samples(n_good_q)
  • skewness of variable c(skew_c)
  • kurtosis of variable c(kurt_c)
  • mixing ratio(mr)
  • covariance wc(cvar_wc)
  • number of q samples removed due to spikes(n_spk_q)
  • 0=real or 1=dummy value of lv(real_lv)
  • mean value of out of range values and spikes of c -9999 if no spikes(mean_spk_c)
  • kurtosis of variable q(kurt_q)
  • number of valid c samples(n_good_c)
  • rotated covariance vq(cvar_rot_vq)
  • 0=real or 1=dummy value of rho(real_rho)
  • latent heat flux(lv_e)
  • covariance uc(cvar_uc)
  • skewness of variable q(skew_q)
  • number of bad or out of range q samples(n_bad_q)
  • number of c samples removed due to spikes(n_spk_c)
  • covariance wq(cvar_wq)
  • CO2 flux(fc)
  • rotated covariance wc(cvar_rot_wc)
  • number of bad or out of range c samples(n_bad_c)
  • variance of q(var_q)
  • rotated covariance vc(cvar_rot_vc)
  • covariance of tq(cvar_tq)
  • mean value of out of range values and spikes of q -9999 if no spikes(mean_spk_q)
  • 0=real or 1=dummy value of mr(real_mr)
  • mean co2 concentration (c)(mean_c)
  • 0=real or 1=dummy value of cp(real_cp)
  • rotated covariance wq(cvar_rot_wq)
  • latent heat of vaporization(lv)

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DQRID : D041008.1
Start DateStart TimeEnd DateEnd Time
10/07/2004123012/09/20041730
10/20/2006213010/26/20060900
Subject:
SGP/ECOR/E24 - Missing data
DataStreams:sgp30ecorE24.b1
Description:
Data are missing and unrecoverable.
Measurements:sgp30ecorE24.b1:
  • number of samples with bad sonic status flag(n_bad_son_ic)
  • rotated mean w(mean_rot_w)
  • covariance vc(cvar_vc)
  • rotated mean v(mean_rot_v)
  • Retrieved water vapor density profile(rho)
  • uw covariance(cvar_uw)
  • covariance uv(cvar_uv)
  • covariance uq(cvar_uq)
  • covariance ut(cvar_ut)
  • kurtosis of variable c(kurt_c)
  • covariance uc(cvar_uc)
  • CO2 flux(fc)
  • covariance of tq(cvar_tq)
  • Vertical angle of wind(phi)
  • Dummy altitude for Zeb(alt)
  • rotated covariance ut(cvar_rot_ut)
  • covariance of tc(cvar_tc)
  • variance of c(var_c)
  • rotated covariance uq(cvar_rot_uq)
  • vector averaged wind speed(wind_spd)
  • rotated covariance uv(cvar_rot_uv)
  • rotated covariance uw(cvar_rot_uw)
  • vertical (elevation) wind angle(elev)
  • rotated covariance uc(cvar_rot_uc)
  • vector averaged wind direction(wind_dir)
  • lat(lat)
  • rotated covariance vt(cvar_rot_vt)
  • rotated covariance vq(cvar_rot_vq)
  • latent heat flux(lv_e)
  • variance of variable v(var_v)
  • variance of variable w(var_w)
  • rotated covariance vw(cvar_rot_vw)
  • variance of t(var_t)
  • variance of variable u(var_u)
  • variance of q(var_q)
  • rotated covariance vc(cvar_rot_vc)
  • standard deviation of wind direction(std_wind_dir)
  • h(h)
  • momentum flux (dynamic)(k)
  • number of valid w samples(n_good_w)
  • number of valid v samples(n_good_v)
  • number of valid u samples(n_good_u)
  • base time(base_time)
  • covariance of qc(cvar_qc)
  • average atmospheric pressure (IGRA internal sensor)(atm_pres)
  • number of valid t samples(n_good_t)
  • number of v samples removed due to spikes(n_spk_v)
  • number of valid q samples(n_good_q)
  • number of w samples removed due to spikes(n_spk_w)
  • number of t samples removed due to spikes(n_spk_t)
  • number of u samples removed due to spikes(n_spk_u)
  • mixing ratio(mr)
  • number of q samples removed due to spikes(n_spk_q)
  • 0=real or 1=dummy value of lv(real_lv)
  • number of samples with IRGA optical path blocked flag(n_bad_irga_light)
  • number of bad or out of range t samples(n_bad_t)
  • number of samples with \IRGA hardware problem\ flag(n_bad_irga)
  • number of bad or out of range v samples(n_bad_v)
  • number of bad or out of range u samples(n_bad_u)
  • variance of w(var_rot_w)
  • variance of v(var_rot_v)
  • lon(lon)
  • variance of u(var_rot_u)
  • number of bad or out of range q samples(n_bad_q)
  • number of c samples removed due to spikes(n_spk_c)
  • Time offset of tweaks from base_time(time_offset)
  • rotated covariance wc(cvar_rot_wc)
  • number of bad or out of range c samples(n_bad_c)
  • 0=real or 1=dummy value of mr(real_mr)
  • rotated covariance wt(cvar_rot_wt)
  • rotated covariance wq(cvar_rot_wq)
  • condensation pressure(cp)
  • Cross-boom wind velocity (v)(mean_v)
  • Vertical wind velocity (w)(mean_w)
  • average voltage of IRGA cooler(mean_cooler)
  • Virtual temperature (T)(mean_t)
  • covariance vq(cvar_vq)
  • Down-boom wind velocity (u)(mean_u)
  • covariance vt(cvar_vt)
  • standard deviation of wind elevation angle(std_elev)
  • Water vapor density (q)(mean_q)
  • vw covariance(cvar_vw)
  • skewness of variable c(skew_c)
  • number of bad or out of range w samples(n_bad_w)
  • covariance wc(cvar_wc)
  • kurtosis of variable q(kurt_q)
  • mean value of out of range values and spikes of c -9999 if no spikes(mean_spk_c)
  • skewness of variable w(skew_w)
  • skewness of variable v(skew_v)
  • skewness of variable u(skew_u)
  • number of valid c samples(n_good_c)
  • skewness of variable t(skew_t)
  • kurtosis of variable u(kurt_u)
  • kurtosis of variable v(kurt_v)
  • time(time)
  • 0=real or 1=dummy value of rho(real_rho)
  • skewness of variable q(skew_q)
  • kurtosis of variable t(kurt_t)
  • average temperature (IGRA internal sensor)(temp_irga)
  • covariance wq(cvar_wq)
  • wT covariance(cvar_wt)
  • mean value of out of range values and spikes of t -9999 if no spikes(mean_spk_t)
  • mean value of \spike\ v samples(mean_spk_v)
  • mean value of \spike\ u samples(mean_spk_u)
  • mean horizontal wind speed(mean_rot_u)
  • mean value of out of range values and spikes of q -9999 if no spikes(mean_spk_q)
  • mean co2 concentration (c)(mean_c)
  • kurtosis of variable w(kurt_w)
  • 0=real or 1=dummy value of cp(real_cp)
  • Friction velocity(ustar)
  • mean value of \spike\ w samples(mean_spk_w)
  • latent heat of vaporization(lv)

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DQRID : D050421.3
Start DateStart TimeEnd DateEnd Time
03/19/2004000003/24/20050030
Subject:
SGP/ECOR/E24  - Reprocess: Incorrectly flagged (marked as "bad") H2O/CO2 data
DataStreams:sgp30ecorE24.b1
Description:
Due to system clock instability on ECOR computers their system time is adjusted 
approximately once per hour; sometimes this adjustment leads to backward time jumps over midnight, 
into the previous day. In this case all the data based on CO2/H2O measurements might be 
erroneously marked as bad. Below is a list of times when that might have happen. 

SITE    YEAR    MONTH   DAY     HOUR    MINUTE
24      2004    03      19      00      00
24      2004    03      20      00      00
24      2004    03      21      00      00
24      2004    03      23      00      00
24      2004    03      24      00      00
24      2004    03      25      00      00
24      2004    03      26      00      00
24      2004    03      27      00      00
24      2004    03      28      00      00
24      2004    03      29      00      00
24      2004    03      31      00      00
24      2004    04      01      00      00
24      2004    04      02      00      00
24      2004    04      03      00      00
24      2004    04      16      00      00
24      2004    04      17      00      00
24      2004    04      18      00      00
24      2004    04      22      00      00
24      2004    04      23      00      00
24      2004    04      30      00      00
24      2004    05      30      00      00
24      2004    05      31      00      00
24      2004    06      01      00      00
24      2004    06      02      00      00
24      2004    06      03      00      00
24      2004    06      05      00      00
24      2004    06      06      00      00
24      2004    06      07      00      00
24      2004    06      08      00      00
24      2004    06      12      00      00
24      2004    06      13      00      00
24      2004    06      14      00      00
24      2004    06      17      00      00
24      2004    06      18      00      00
24      2004    06      19      00      00
24      2004    06      20      00      00
24      2004    06      22      00      00
24      2004    06      23      00      00
24      2004    06      24      00      00
24      2004    06      25      00      00
24      2004    06      26      00      00
24      2004    06      27      00      00
24      2004    06      28      00      00
24      2004    06      29      00      00
24      2004    06      30      00      00
24      2004    07      01      00      00
24      2004    07      02      00      00
24      2004    07      05      00      00
24      2004    07      06      00      00
24      2004    07      07      00      00
24      2004    07      11      00      00
24      2004    07      12      00      00
24      2004    07      13      00      00
24      2004    07      14      00      00
24      2004    07      16      00      00
24      2004    07      17      00      00
24      2004    07      18      00      00
24      2004    07      19      00      00
24      2004    07      20      00      00
24      2004    07      21      00      00
24      2004    07      22      00      00
24      2004    07      25      00      00
24      2004    07      26      00      00
24      2004    07      27      00      00
24      2004    07      28      00      00
24      2004    07      29      00      00
24      2004    08      01      00      00
24      2004    08      02      00      00
24      2004    08      03      00      00
24      2004    08      05      00      00
24      2004    08      06      00      00
24      2004    08      07      00      00
24      2004    08      08      00      00
24      2004    08      09      00      00
24      2004    08      20      00      00
24      2004    08      21      00      00
24      2004    08      22      00      00
24      2004    08      25      00      00
24      2004    08      26      00      00
24      2004    08      27      00      00
24      2004    08      28      00      00
24      2004    08      29      00      00
24      2004    08      30      00      00
24      2004    08      31      00      00
24      2004    09      01      00      00
24      2004    09      04      00      00
24      2004    09      05      00      00
24      2004    09      06      00      00
24      2004    09      07      00      00
24      2004    09      08      00      00
24      2004    09      09      00      00
24      2004    09      10      00      00
24      2004    09      11      00      00
24      2004    09      13      00      00
24      2004    09      14      00      00
24      2004    09      17      00      00
24      2004    09      18      00      00
24      2004    09      19      00      00
24      2004    09      22      00      00
24      2004    09      23      00      00
24      2004    09      24      00      00
24      2004    09      25      00      00
24      2004    09      26      00      00
24      2004    09      27      00      00
24      2004    09      29      00      00
24      2004    09      30      00      00
24      2004    10      01      00      00
24      2004    10      02      00      00
24      2004    10      05      00      00
24      2004    10      06      00      00
24      2004    10      07      00      00
24      2004    12      11      00      00
24      2004    12      12      00      00
24      2004    12      13      00      00
24      2004    12      14      00      00
24      2004    12      15      00      00
24      2004    12      16      00      00
24      2004    12      17      00      00
24      2004    12      18      00      00
24      2004    12      19      00      00
24      2004    12      20      00      00
24      2004    12      21      00      00
24      2004    12      24      00      00
24      2004    12      26      00      00
24      2004    12      27      00      00
24      2004    12      28      00      00
24      2004    12      29      00      00
24      2004    12      31      00      00
24      2005    01      01      00      00
24      2005    01      02      00      00
24      2005    01      04      00      00
24      2005    01      07      00      00
24      2005    01      09      00      00
24      2005    01      10      00      00
24      2005    01      11      00      00
24      2005    01      15      00      00
24      2005    01      17      00      00
24      2005    01      18      00      00
24      2005    01      20      00      00
24      2005    01      22      00      00
24      2005    01      25      00      00
24      2005    01      27      00      00
24      2005    01      30      00      00
24      2005    02      03      00      00
24      2005    02      05      00      00
24      2005    02      06      00      00
24      2005    02      07      00      00
24      2005    02      10      00      00
24      2005    02      11      00      00
24      2005    02      12      00      00
24      2005    02      14      00      00
24      2005    02      17      00      00
24      2005    02      18      00      00
24      2005    02      19      00      00
24      2005    02      20      00      00
24      2005    02      21      00      00
24      2005    02      22      00      00
24      2005    02      23      00      00
24      2005    02      24      00      00
24      2005    02      25      00      00
24      2005    02      26      00      00
24      2005    02      28      00      00
24      2005    03      04      00      00
24      2005    03      05      00      00
24      2005    03      06      00      00
24      2005    03      07      00      00
24      2005    03      09      00      00
24      2005    03      11      00      00
24      2005    03      12      00      00
24      2005    03      13      00      00
24      2005    03      14      00      00
24      2005    03      15      00      00
24      2005    03      20      00      00
24      2005    03      21      00      00
24      2005    03      23      00      00
24      2005    03      24      00      00
Measurements:sgp30ecorE24.b1:
  • condensation pressure(cp)
  • variance of c(var_c)
  • covariance of tc(cvar_tc)
  • covariance vc(cvar_vc)
  • rotated covariance uq(cvar_rot_uq)
  • Retrieved water vapor density profile(rho)
  • covariance vq(cvar_vq)
  • Water vapor density (q)(mean_q)
  • rotated covariance uc(cvar_rot_uc)
  • covariance of qc(cvar_qc)
  • covariance uq(cvar_uq)
  • number of valid q samples(n_good_q)
  • skewness of variable c(skew_c)
  • kurtosis of variable c(kurt_c)
  • mixing ratio(mr)
  • covariance wc(cvar_wc)
  • number of q samples removed due to spikes(n_spk_q)
  • 0=real or 1=dummy value of lv(real_lv)
  • mean value of out of range values and spikes of c -9999 if no spikes(mean_spk_c)
  • kurtosis of variable q(kurt_q)
  • number of valid c samples(n_good_c)
  • rotated covariance vq(cvar_rot_vq)
  • 0=real or 1=dummy value of rho(real_rho)
  • latent heat flux(lv_e)
  • covariance uc(cvar_uc)
  • skewness of variable q(skew_q)
  • number of bad or out of range q samples(n_bad_q)
  • number of c samples removed due to spikes(n_spk_c)
  • covariance wq(cvar_wq)
  • CO2 flux(fc)
  • rotated covariance wc(cvar_rot_wc)
  • number of bad or out of range c samples(n_bad_c)
  • variance of q(var_q)
  • rotated covariance vc(cvar_rot_vc)
  • covariance of tq(cvar_tq)
  • mean value of out of range values and spikes of q -9999 if no spikes(mean_spk_q)
  • 0=real or 1=dummy value of mr(real_mr)
  • mean co2 concentration (c)(mean_c)
  • 0=real or 1=dummy value of cp(real_cp)
  • rotated covariance wq(cvar_rot_wq)
  • latent heat of vaporization(lv)

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DQRID : D050922.1
Start DateStart TimeEnd DateEnd Time
09/16/2005080009/29/20051430
Subject:
SGP/ECOR/E24 - Reprocess: Time Was 7 Hours Behind
DataStreams:sgp30ecorE24.b1
Description:
When the site computer was changed on 9/16 the time was set 7 hours behind the actual 
time.

This problem may be fixed during future reprocessing of the data.
Measurements:sgp30ecorE24.b1:
  • time(time)

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DQRID : D051031.6
Start DateStart TimeEnd DateEnd Time
06/22/2005090006/24/20051500
Subject:
SGP/ECOR/E24 - CO2/H2O Incorrect
DataStreams:sgp30ecorE24.b1
Description:
The CO2/H2O sensor was not working during this period.  All CO2 and H2O means and fluxes 
are incorrect and  LI-7500 pressure and temperature are also incorrect.
Measurements:sgp30ecorE24.b1:
  • covariance of tc(cvar_tc)
  • variance of c(var_c)
  • covariance vc(cvar_vc)
  • rotated covariance uq(cvar_rot_uq)
  • covariance vq(cvar_vq)
  • Water vapor density (q)(mean_q)
  • rotated covariance uc(cvar_rot_uc)
  • covariance of qc(cvar_qc)
  • covariance uq(cvar_uq)
  • average atmospheric pressure (IGRA internal sensor)(atm_pres)
  • number of valid q samples(n_good_q)
  • skewness of variable c(skew_c)
  • kurtosis of variable c(kurt_c)
  • covariance wc(cvar_wc)
  • number of q samples removed due to spikes(n_spk_q)
  • number of samples with IRGA optical path blocked flag(n_bad_irga_light)
  • mean value of out of range values and spikes of c -9999 if no spikes(mean_spk_c)
  • kurtosis of variable q(kurt_q)
  • number of samples with \IRGA hardware problem\ flag(n_bad_irga)
  • number of valid c samples(n_good_c)
  • rotated covariance vq(cvar_rot_vq)
  • latent heat flux(lv_e)
  • covariance uc(cvar_uc)
  • average temperature (IGRA internal sensor)(temp_irga)
  • skewness of variable q(skew_q)
  • number of bad or out of range q samples(n_bad_q)
  • number of c samples removed due to spikes(n_spk_c)
  • covariance wq(cvar_wq)
  • CO2 flux(fc)
  • rotated covariance wc(cvar_rot_wc)
  • number of bad or out of range c samples(n_bad_c)
  • variance of q(var_q)
  • rotated covariance vc(cvar_rot_vc)
  • covariance of tq(cvar_tq)
  • mean value of out of range values and spikes of q -9999 if no spikes(mean_spk_q)
  • mean co2 concentration (c)(mean_c)
  • rotated covariance wq(cvar_rot_wq)

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DQRID : D051101.12
Start DateStart TimeEnd DateEnd Time
08/24/2005233008/29/20050300
Subject:
SGP/ECOR/E24 - CO2 and H2O Fluxes and Means Incorrect
DataStreams:sgp30ecorE24.b1
Description:
The CO2 and H2O (lv_e) fluxes adn means were incorrect while the LI-7500 sensor was not 
working.
Measurements:sgp30ecorE24.b1:
  • variance of c(var_c)
  • covariance of tc(cvar_tc)
  • rotated covariance vq(cvar_rot_vq)
  • covariance vc(cvar_vc)
  • latent heat flux(lv_e)
  • covariance uc(cvar_uc)
  • rotated covariance uq(cvar_rot_uq)
  • covariance wq(cvar_wq)
  • covariance vq(cvar_vq)
  • CO2 flux(fc)
  • rotated covariance wc(cvar_rot_wc)
  • Water vapor density (q)(mean_q)
  • rotated covariance uc(cvar_rot_uc)
  • covariance of qc(cvar_qc)
  • variance of q(var_q)
  • rotated covariance vc(cvar_rot_vc)
  • average atmospheric pressure (IGRA internal sensor)(atm_pres)
  • covariance uq(cvar_uq)
  • covariance of tq(cvar_tq)
  • mean co2 concentration (c)(mean_c)
  • covariance wc(cvar_wc)
  • rotated covariance wq(cvar_rot_wq)

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DQRID : D061103.4
Start DateStart TimeEnd DateEnd Time
10/26/2006093011/07/20060830
11/10/2006133011/14/20060730
Subject:
SGP/ECOR/E24 - Reprocess: ECOR Time 7 Hours Behind
DataStreams:sgp30ecorE24.b1
Description:
The ECOR time was 7 hours behind during these periods.
Measurements:sgp30ecorE24.b1:
  • number of samples with bad sonic status flag(n_bad_son_ic)
  • rotated mean w(mean_rot_w)
  • covariance vc(cvar_vc)
  • rotated mean v(mean_rot_v)
  • Retrieved water vapor density profile(rho)
  • uw covariance(cvar_uw)
  • covariance uv(cvar_uv)
  • covariance uq(cvar_uq)
  • covariance ut(cvar_ut)
  • kurtosis of variable c(kurt_c)
  • covariance uc(cvar_uc)
  • CO2 flux(fc)
  • covariance of tq(cvar_tq)
  • Vertical angle of wind(phi)
  • Dummy altitude for Zeb(alt)
  • rotated covariance ut(cvar_rot_ut)
  • covariance of tc(cvar_tc)
  • variance of c(var_c)
  • rotated covariance uq(cvar_rot_uq)
  • vector averaged wind speed(wind_spd)
  • rotated covariance uv(cvar_rot_uv)
  • rotated covariance uw(cvar_rot_uw)
  • vertical (elevation) wind angle(elev)
  • rotated covariance uc(cvar_rot_uc)
  • vector averaged wind direction(wind_dir)
  • lat(lat)
  • rotated covariance vt(cvar_rot_vt)
  • rotated covariance vq(cvar_rot_vq)
  • latent heat flux(lv_e)
  • variance of variable v(var_v)
  • variance of variable w(var_w)
  • rotated covariance vw(cvar_rot_vw)
  • variance of t(var_t)
  • variance of variable u(var_u)
  • variance of q(var_q)
  • rotated covariance vc(cvar_rot_vc)
  • standard deviation of wind direction(std_wind_dir)
  • h(h)
  • momentum flux (dynamic)(k)
  • number of valid w samples(n_good_w)
  • number of valid v samples(n_good_v)
  • number of valid u samples(n_good_u)
  • base time(base_time)
  • covariance of qc(cvar_qc)
  • average atmospheric pressure (IGRA internal sensor)(atm_pres)
  • number of valid t samples(n_good_t)
  • number of v samples removed due to spikes(n_spk_v)
  • number of valid q samples(n_good_q)
  • number of w samples removed due to spikes(n_spk_w)
  • number of t samples removed due to spikes(n_spk_t)
  • number of u samples removed due to spikes(n_spk_u)
  • mixing ratio(mr)
  • number of q samples removed due to spikes(n_spk_q)
  • 0=real or 1=dummy value of lv(real_lv)
  • number of samples with IRGA optical path blocked flag(n_bad_irga_light)
  • number of bad or out of range t samples(n_bad_t)
  • number of samples with \IRGA hardware problem\ flag(n_bad_irga)
  • number of bad or out of range v samples(n_bad_v)
  • number of bad or out of range u samples(n_bad_u)
  • variance of w(var_rot_w)
  • variance of v(var_rot_v)
  • lon(lon)
  • variance of u(var_rot_u)
  • number of bad or out of range q samples(n_bad_q)
  • number of c samples removed due to spikes(n_spk_c)
  • Time offset of tweaks from base_time(time_offset)
  • rotated covariance wc(cvar_rot_wc)
  • number of bad or out of range c samples(n_bad_c)
  • 0=real or 1=dummy value of mr(real_mr)
  • rotated covariance wt(cvar_rot_wt)
  • rotated covariance wq(cvar_rot_wq)
  • condensation pressure(cp)
  • Cross-boom wind velocity (v)(mean_v)
  • Vertical wind velocity (w)(mean_w)
  • average voltage of IRGA cooler(mean_cooler)
  • Virtual temperature (T)(mean_t)
  • covariance vq(cvar_vq)
  • Down-boom wind velocity (u)(mean_u)
  • covariance vt(cvar_vt)
  • standard deviation of wind elevation angle(std_elev)
  • Water vapor density (q)(mean_q)
  • vw covariance(cvar_vw)
  • skewness of variable c(skew_c)
  • number of bad or out of range w samples(n_bad_w)
  • covariance wc(cvar_wc)
  • kurtosis of variable q(kurt_q)
  • mean value of out of range values and spikes of c -9999 if no spikes(mean_spk_c)
  • skewness of variable w(skew_w)
  • skewness of variable v(skew_v)
  • skewness of variable u(skew_u)
  • number of valid c samples(n_good_c)
  • skewness of variable t(skew_t)
  • kurtosis of variable u(kurt_u)
  • kurtosis of variable v(kurt_v)
  • time(time)
  • 0=real or 1=dummy value of rho(real_rho)
  • skewness of variable q(skew_q)
  • kurtosis of variable t(kurt_t)
  • average temperature (IGRA internal sensor)(temp_irga)
  • covariance wq(cvar_wq)
  • wT covariance(cvar_wt)
  • mean value of out of range values and spikes of t -9999 if no spikes(mean_spk_t)
  • mean value of \spike\ v samples(mean_spk_v)
  • mean value of \spike\ u samples(mean_spk_u)
  • mean horizontal wind speed(mean_rot_u)
  • mean value of out of range values and spikes of q -9999 if no spikes(mean_spk_q)
  • mean co2 concentration (c)(mean_c)
  • kurtosis of variable w(kurt_w)
  • 0=real or 1=dummy value of cp(real_cp)
  • Friction velocity(ustar)
  • mean value of \spike\ w samples(mean_spk_w)
  • latent heat of vaporization(lv)

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DQRID : D080313.1
Start DateStart TimeEnd DateEnd Time
03/01/2008000004/12/20080230
Subject:
SGP/ECOR/E24 - Water Vapor Density Incorrect
DataStreams:sgp30ecorE24.b1
Description:
Mean Water Vapor Density (mean_q) often did not trend well with the co-located SMOS and 
sometimes jumped downwards approximately 200 to 300 mmol/m^3.  Some of the instances were 
clearly a result of contamination by precipitation, but others were not; the latent heat 
flux was sometimes affected.

It was determined that all instances of this behavior from the beginning of 2008 through 
the beginning date of this DQR were caused by precipitation/dew/frost.
Measurements:sgp30ecorE24.b1:
  • latent heat flux(lv_e)
  • Water vapor density (q)(mean_q)

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DQRID : D080428.1
Start DateStart TimeEnd DateEnd Time
10/27/2006053011/08/20071600
Subject:
SGP/ECOR/E24 - Half Hours of Data Missing
DataStreams:sgp30ecorE24.b1
Description:
Individual half hours of data were missing infrequently because of a UPS
problem.  The extent of missing data is minimal, with only a few to several half hours 
missing most months.

Data quality of the surrounding data times was not affected.
Measurements:sgp30ecorE24.b1:
  • number of samples with bad sonic status flag(n_bad_son_ic)
  • rotated mean w(mean_rot_w)
  • covariance vc(cvar_vc)
  • rotated mean v(mean_rot_v)
  • Retrieved water vapor density profile(rho)
  • uw covariance(cvar_uw)
  • covariance uv(cvar_uv)
  • covariance uq(cvar_uq)
  • covariance ut(cvar_ut)
  • kurtosis of variable c(kurt_c)
  • covariance uc(cvar_uc)
  • CO2 flux(fc)
  • covariance of tq(cvar_tq)
  • Vertical angle of wind(phi)
  • Dummy altitude for Zeb(alt)
  • rotated covariance ut(cvar_rot_ut)
  • covariance of tc(cvar_tc)
  • variance of c(var_c)
  • rotated covariance uq(cvar_rot_uq)
  • vector averaged wind speed(wind_spd)
  • rotated covariance uv(cvar_rot_uv)
  • rotated covariance uw(cvar_rot_uw)
  • vertical (elevation) wind angle(elev)
  • rotated covariance uc(cvar_rot_uc)
  • vector averaged wind direction(wind_dir)
  • lat(lat)
  • rotated covariance vt(cvar_rot_vt)
  • rotated covariance vq(cvar_rot_vq)
  • latent heat flux(lv_e)
  • variance of variable v(var_v)
  • variance of variable w(var_w)
  • rotated covariance vw(cvar_rot_vw)
  • variance of t(var_t)
  • variance of variable u(var_u)
  • variance of q(var_q)
  • rotated covariance vc(cvar_rot_vc)
  • standard deviation of wind direction(std_wind_dir)
  • h(h)
  • momentum flux (dynamic)(k)
  • number of valid w samples(n_good_w)
  • number of valid v samples(n_good_v)
  • number of valid u samples(n_good_u)
  • base time(base_time)
  • covariance of qc(cvar_qc)
  • average atmospheric pressure (IGRA internal sensor)(atm_pres)
  • number of valid t samples(n_good_t)
  • number of v samples removed due to spikes(n_spk_v)
  • number of valid q samples(n_good_q)
  • number of w samples removed due to spikes(n_spk_w)
  • number of t samples removed due to spikes(n_spk_t)
  • number of u samples removed due to spikes(n_spk_u)
  • mixing ratio(mr)
  • number of q samples removed due to spikes(n_spk_q)
  • 0=real or 1=dummy value of lv(real_lv)
  • number of samples with IRGA optical path blocked flag(n_bad_irga_light)
  • number of bad or out of range t samples(n_bad_t)
  • number of samples with \IRGA hardware problem\ flag(n_bad_irga)
  • number of bad or out of range v samples(n_bad_v)
  • number of bad or out of range u samples(n_bad_u)
  • variance of w(var_rot_w)
  • variance of v(var_rot_v)
  • lon(lon)
  • variance of u(var_rot_u)
  • number of bad or out of range q samples(n_bad_q)
  • number of c samples removed due to spikes(n_spk_c)
  • Time offset of tweaks from base_time(time_offset)
  • rotated covariance wc(cvar_rot_wc)
  • number of bad or out of range c samples(n_bad_c)
  • 0=real or 1=dummy value of mr(real_mr)
  • rotated covariance wt(cvar_rot_wt)
  • rotated covariance wq(cvar_rot_wq)
  • condensation pressure(cp)
  • Cross-boom wind velocity (v)(mean_v)
  • Vertical wind velocity (w)(mean_w)
  • average voltage of IRGA cooler(mean_cooler)
  • Virtual temperature (T)(mean_t)
  • covariance vq(cvar_vq)
  • Down-boom wind velocity (u)(mean_u)
  • covariance vt(cvar_vt)
  • standard deviation of wind elevation angle(std_elev)
  • Water vapor density (q)(mean_q)
  • vw covariance(cvar_vw)
  • skewness of variable c(skew_c)
  • number of bad or out of range w samples(n_bad_w)
  • covariance wc(cvar_wc)
  • kurtosis of variable q(kurt_q)
  • mean value of out of range values and spikes of c -9999 if no spikes(mean_spk_c)
  • skewness of variable w(skew_w)
  • skewness of variable v(skew_v)
  • skewness of variable u(skew_u)
  • number of valid c samples(n_good_c)
  • skewness of variable t(skew_t)
  • kurtosis of variable u(kurt_u)
  • kurtosis of variable v(kurt_v)
  • time(time)
  • 0=real or 1=dummy value of rho(real_rho)
  • skewness of variable q(skew_q)
  • kurtosis of variable t(kurt_t)
  • average temperature (IGRA internal sensor)(temp_irga)
  • covariance wq(cvar_wq)
  • wT covariance(cvar_wt)
  • mean value of out of range values and spikes of t -9999 if no spikes(mean_spk_t)
  • mean value of \spike\ v samples(mean_spk_v)
  • mean value of \spike\ u samples(mean_spk_u)
  • mean horizontal wind speed(mean_rot_u)
  • mean value of out of range values and spikes of q -9999 if no spikes(mean_spk_q)
  • mean co2 concentration (c)(mean_c)
  • kurtosis of variable w(kurt_w)
  • 0=real or 1=dummy value of cp(real_cp)
  • Friction velocity(ustar)
  • mean value of \spike\ w samples(mean_spk_w)
  • latent heat of vaporization(lv)

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