DQRID : D040720.1
Start DateStart TimeEnd DateEnd Time
07/14/2004010008/13/20041800
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Subject:
SGP/ECOR/E10 - Sensor failure
DataStreams:sgpecorE10.00, sgp30ecorE10.b1
Description:
Due to LI-7500 (H2O/CO2 infrared gas analyzer) sensor failure all humidity and CO2 data 
are incorrect for the period of Jul. 14, 2004 01:00 to Aug. 13, 2004 18:00.
Suggestions: 
Measurements:sgpecorE10.00:
  • (Raw data stream - documentation not supported)
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sgp30ecorE10.b1:
  • Covariance uc(cvar_uc)
  • Covariance qc(cvar_qc)
  • variance of q(var_q)
  • specific heat of moist air(cp)
  • mean co2 concentration (c)(mean_c)
  • covariance wq(cvar_wq)
  • covariance uq(cvar_uq)
  • rotated covariance vq(cvar_rot_vq)
  • variance of c(var_c)
  • Average temperature (IGRA internal sensor)(temp_irga)
  • skewness of variable q(skew_q)
  • kurtosis of variable q(kurt_q)
  • Rotated covariance vc(cvar_rot_vc)
  • Water vapor mixing ratio observed by the Raman lidar(mr)
  • Atmospheric pressure(atm_pres)
  • covariance vc(cvar_vc)
  • Latent heat of vaporization(lv)
  • Covariance tc(cvar_tc)
  • mean value of out of range values and spikes of c -9999 if no spikes(mean_spk_c)
  • skewness of variable c(skew_c)
  • kurtosis of variable c(kurt_c)
  • mean value of out of range values and spikes of q -9999 if no spikes(mean_spk_q)
  • average voltage of IRGA cooler(mean_cooler)
  • Rotated covariance uq(cvar_rot_uq)
  • Covariance vq(cvar_vq)
  • covariance of tq(cvar_tq)
  • rotated covariance wq(cvar_rot_wq)
  • latent heat flux(lv_e)
  • Mean value of "spike" v samples(mean_spk_v)
  • mean value of \spike\ w samples(mean_spk_w)
  • rotated covariance uc(cvar_rot_uc)
  • Mean value of "spike" t samples(mean_spk_t)
  • Mean value of "spike" u samples(mean_spk_u)
  • Rotated covariance wc(cvar_rot_wc)
  • moist air density(rho)
  • Covariance wc(cvar_wc)
  • mean water vapor concentration (q)(mean_q)
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