DQRID : D051031.6
Start DateStart TimeEnd DateEnd Time
06/22/2005090006/24/20051500
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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.
Suggestions: 
Measurements:sgp30ecorE24.b1:
  • covariance uq(cvar_uq)
  • covariance wq(cvar_wq)
  • number of valid c samples(n_good_c)
  • CO2 flux(fc)
  • mean value of out of range values and spikes of c -9999 if no spikes(mean_spk_c)
  • kurtosis of variable q(kurt_q)
  • Rotated covariance vc(cvar_rot_vc)
  • Covariance qc(cvar_qc)
  • skewness of variable c(skew_c)
  • mean value of out of range values and spikes of q -9999 if no spikes(mean_spk_q)
  • variance of q(var_q)
  • Covariance tc(cvar_tc)
  • number of samples with \IRGA hardware problem\ flag(n_bad_irga)
  • covariance vc(cvar_vc)
  • mean co2 concentration (c)(mean_c)
  • Number of c samples removed due to spikes(n_spk_c)
  • rotated covariance vq(cvar_rot_vq)
  • Covariance vq(cvar_vq)
  • variance of c(var_c)
  • mean water vapor concentration (q)(mean_q)
  • Average temperature (IGRA internal sensor)(temp_irga)
  • covariance of tq(cvar_tq)
  • rotated covariance uc(cvar_rot_uc)
  • Number of bad or out of range q samples(n_bad_q)
  • Atmospheric pressure(atm_pres)
  • Rotated covariance wc(cvar_rot_wc)
  • Number of q samples removed due to spikes(n_spk_q)
  • Covariance wc(cvar_wc)
  • number of valid q samples(n_good_q)
  • Covariance uc(cvar_uc)
  • latent heat flux(lv_e)
  • Number of bad or out of range c samples(n_bad_c)
  • number of samples with IRGA optical path blocked flag(n_bad_irga_light)
  • rotated covariance wq(cvar_rot_wq)
  • kurtosis of variable c(kurt_c)
  • Rotated covariance uq(cvar_rot_uq)
  • skewness of variable q(skew_q)
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