SGP/ECOR/E10 - Sensor failure

Due to sensor failure all the parameters measured by the Infrared Gas Analyzer (water 
vapor density, CO2 concentration, fluxes of latent heat and CO2, etc.) are incorrect for the 
period of 18:30 Oct. 22, 2004 to 22:00 Dec. 14, 2004. The data is irrevocably lost.

• (Raw data stream - documentation not supported)

• Covariance uc(cvar_uc)
• Covariance qc(cvar_qc)
• variance of q(var_q)
• specific heat of moist air(cp)
• number of valid c samples(n_good_c)
• 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)
• skewness of variable q(skew_q)
• Average temperature (IGRA internal sensor)(temp_irga)
• kurtosis of variable q(kurt_q)
• Number of c samples removed due to spikes(n_spk_c)
• Rotated covariance vc(cvar_rot_vc)
• 0=real or 1=dummy value of cp(real_cp)
• Atmospheric pressure(atm_pres)
• Water vapor mixing ratio observed by the Raman lidar(mr)
• covariance vc(cvar_vc)
• Covariance tc(cvar_tc)
• Number of bad or out of range c samples(n_bad_c)
• Number of q samples removed due to spikes(n_spk_q)
• Status of source for mixing ratio(real_mr)
• 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)
• number of samples with bad sonic status flag(n_bad_son_ic)
• number of samples with IRGA optical path blocked flag(n_bad_irga_light)
• mean value of out of range values and spikes of q -9999 if no spikes(mean_spk_q)
• Rotated covariance uq(cvar_rot_uq)
• Covariance vq(cvar_vq)
• average voltage of IRGA cooler(mean_cooler)
• 0=real or 1=dummy value of rho(real_rho)
• covariance of tq(cvar_tq)
• rotated covariance wq(cvar_rot_wq)
• latent heat flux(lv_e)
• Number of bad or out of range q samples(n_bad_q)
• rotated covariance uc(cvar_rot_uc)
• CO2 flux(fc)
• number of samples with \IRGA hardware problem\ flag(n_bad_irga)
• number of valid q samples(n_good_q)
• Status of source for latent heat of vaporization(real_lv)
• Rotated covariance wc(cvar_rot_wc)
• moist air density(rho)
• Covariance wc(cvar_wc)
• mean water vapor concentration (q)(mean_q)