CALIBRATION OF CO2-012 Relative vs. NOAA-1 /NOAA-2 on 2.5.2014 16:48 SUMMARY -------------------------------------------------------------------- CO2_ppm = 380.027 (+- 0.140, n= 21) d13C = -40.691 (+- 0.089, n= 21) d18O = -23.634 (+- 0.133, n= 21) -------------------------------------------------------------------- DETAILS OF CALIBRATION -------------------------------------------------------------------- Raw Measured 12CO2 CO2-012 = 392.5941 (+- 0.14225) ppm Raw Measured 13CO2 CO2-012 = 4.2271 (+- 0.00147) ppm Raw Measured 18O CO2-012 = 1.6054 (+- 0.00067) ppm Raw Measured T_CO2 CO2-012 = 398.7487 (+- 0.14446) ppm Raw Measured 12CO2 NOAA-1 = 410.9784 (+- 0.02174) ppm Raw Measured 13CO2 NOAA-1 = 4.5704 (+- 0.00013) ppm Raw Measured 18O NOAA-1 = 1.7134 (+- 0.00023) ppm Raw Measured T_CO2 NOAA-1 = 417.5994 (+- 0.02195) ppm Raw Measured 12CO2 NOAA-2 = 481.7221 (+- 0.02024) ppm Raw Measured 13CO2 NOAA-2 = 5.3403 (+- 0.00013) ppm Raw Measured 18O NOAA-2 = 2.0011 (+- 0.00028) ppm Raw Measured T_CO2 NOAA-2 = 489.4589 (+- 0.02038) ppm Ext Standard T_CO2 NOAA-1 = 398.231 (+- 398.231) ppm Ext Standard d13C NOAA-1 = -8.899 (+- 0.003) per mil Ext Standard d18O NOAA-1 = -4.227 (+- 0.003) per mil Ext Standard T_CO2 NOAA-2 = 467.628 (+- 467.628) ppm Ext Standard d13C NOAA-2 = -12.312 (+- 0.006) per mil Ext Standard d18O NOAA-2 = -7.636 (+- 0.006) per mil No of values filtered = 2 RMSE for 12CO2 linear fit = 0.019794 ppm RMSE for 13CO2 linear fit = 0.000123 ppm RMSE for 18O linear fit = 0.000242 ppm Slope for 12CO2 linear fit = 0.9658 ppm / ppm Slope for 13CO2 linear fit = 0.9604 ppm / ppm Slope for 18O linear fit = 0.9649 ppm / ppm Offs. for 12CO2 linear fit = -4.983649 ppm Offs. for 13CO2 linear fit = -0.046724 ppm Offs. for 18O linear fit = -0.023066 ppm Output created on Wed May 14 17:14:01 2014