Data Quality Reports for Session: 137470 User: parama1muk Completed: 09/19/2011


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D051031.3SGP/ECOR/E14 - CO2/H2O Incorrectsgp30ecorE14.b1
D051216.2SGP/ECOR/E14 - Flux Measurements Incorrectsgp30ecorE14.b1


DQRID : D051031.3
Start DateStart TimeEnd DateEnd Time
08/25/2005000008/29/20050230
Subject:
SGP/ECOR/E14 - CO2/H2O Incorrect
DataStreams:sgp30ecorE14.b1
Description:
The LI-7500 CO2/H2O sensor stopped working after a rainstorm.  CO2 and H2O data are 
incorrect during the stated period.
Measurements:sgp30ecorE14.b1:
  • n_bad_irga
  • skew_q
  • covariance tq(cvar_tq)
  • rotated covariance wc(cvar_rot_wc)
  • rotated covariance vq(cvar_rot_vq)
  • covariance vq(cvar_vq)
  • n_spk_c
  • temp_irga
  • Latent heat flux(lv_e)
  • kurt_c
  • covariance uc(cvar_uc)
  • Mean CO2 density(mean_c)
  • variance of variable q(var_q)
  • covariance wc(cvar_wc)
  • rotated covariance vc(cvar_rot_vc)
  • rotated covariance wq(cvar_rot_wq)
  • n_good_q
  • real_lv
  • Mean H2O density(mean_q)
  • kurt_q
  • covariance uq(cvar_uq)
  • mean_spk_c
  • variance of variable c(var_c)
  • covaraince wq(cvar_wq)
  • n_good_c
  • rotated covariance uq(cvar_rot_uq)
  • n_bad_c
  • CO2 flux(fc)
  • n_bad_irga_light
  • covariance tc(cvar_tc)
  • covaraince vc(cvar_vc)
  • covariance qc(cvar_qc)
  • skew_c
  • rotated covariance uc(cvar_rot_uc)
  • n_bad_q
  • n_spk_q
  • mean_spk_q


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DQRID : D051216.2
Start DateStart TimeEnd DateEnd Time
11/04/2005133011/17/20051630
12/01/2005193012/13/20051630
01/24/2006150002/13/20061930
05/05/2006210006/13/20061400
07/07/2006193007/14/20061500
Subject:
SGP/ECOR/E14 - Flux Measurements Incorrect
DataStreams:sgp30ecorE14.b1
Description:
The ECOR datastream was corrupted; this happens when the ECOR program produces a 
datastream of the wrong length (i.e., leaves one or more measurements out).

Fluxes and some other measurements are incorrect.

Reprocessing will not correct this problem; the raw data are corrupted.
Measurements:sgp30ecorE14.b1:
  • Mean H2O density(mean_q)
  • Corrected sensible heat flux(h)
  • atm_pres
  • Mean CO2 density(mean_c)
  • temp_irga
  • CO2 flux(fc)
  • Latent heat flux(lv_e)


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