CALIBRATION OF CO2-012 Relative vs. NOAA-1 /NOAA-2 on 18.12.2014 22:34 SUMMARY -------------------------------------------------------------------- CO2_ppm = 380.021 (+- 0.130, n= 41) d13C = -40.763 (+- 0.204, n= 41) d18O = -23.654 (+- 0.629, n= 41) -------------------------------------------------------------------- DETAILS OF CALIBRATION -------------------------------------------------------------------- Raw Measured 12CO2 CO2-012 = 391.4878 (+- 0.15414) ppm Raw Measured 13CO2 CO2-012 = 4.2286 (+- 0.00112) ppm Raw Measured 18O CO2-012 = 1.5560 (+- 0.00102) ppm Raw Measured T_CO2 CO2-012 = 397.5937 (+- 0.15475) ppm Raw Measured 12CO2 NOAA-1 = 409.9811 (+- 0.10391) ppm Raw Measured 13CO2 NOAA-1 = 4.5731 (+- 0.00057) ppm Raw Measured 18O NOAA-1 = 1.6620 (+- 0.00099) ppm Raw Measured T_CO2 NOAA-1 = 416.5526 (+- 0.10338) ppm Raw Measured 12CO2 NOAA-2 = 481.1241 (+- 0.09241) ppm Raw Measured 13CO2 NOAA-2 = 5.3448 (+- 0.00027) ppm Raw Measured 18O NOAA-2 = 1.9441 (+- 0.00099) ppm Raw Measured T_CO2 NOAA-2 = 488.8079 (+- 0.09176) 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 = 9 RMSE for 12CO2 linear fit = 0.093275 ppm RMSE for 13CO2 linear fit = 0.000421 ppm RMSE for 18O linear fit = 0.000961 ppm Slope for 12CO2 linear fit = 0.9604 ppm / ppm Slope for 13CO2 linear fit = 0.9582 ppm / ppm Slope for 18O linear fit = 0.9840 ppm / ppm Offs. for 12CO2 linear fit = -1.795252 ppm Offs. for 13CO2 linear fit = -0.039308 ppm Offs. for 18O linear fit = -0.005275 ppm Output created on Wed Jan 28 14:53:35 2015