CALIBRATION OF CO2-004 Relative vs. NOAA-1 /NOAA-2 on 22.4.2013 19:40 SUMMARY -------------------------------------------------------------------- CO2_ppm = 499.240 (+- 0.146, n= 29) d13C = -37.051 (+- 0.153, n= 29) d18O = -15.539 (+- 1.383, n= 29) -------------------------------------------------------------------- DETAILS OF CALIBRATION -------------------------------------------------------------------- Raw Measured 12CO2 CO2-004 = 500.7154 (+- 0.14986) ppm Raw Measured 13CO2 CO2-004 = 5.4266 (+- 0.00097) ppm Raw Measured 18O CO2-004 = 2.1152 (+- 0.00234) ppm Raw Measured T_CO2 CO2-004 = 508.6681 (+- 0.14859) ppm Raw Measured 12CO2 NOAA-1 = 399.5661 (+- 0.11085) ppm Raw Measured 13CO2 NOAA-1 = 4.4557 (+- 0.00051) ppm Raw Measured 18O NOAA-1 = 1.7074 (+- 0.00233) ppm Raw Measured T_CO2 NOAA-1 = 406.0572 (+- 0.10915) ppm Raw Measured 12CO2 NOAA-2 = 468.9606 (+- 0.14323) ppm Raw Measured 13CO2 NOAA-2 = 5.2125 (+- 0.00089) ppm Raw Measured 18O NOAA-2 = 1.9970 (+- 0.00227) ppm Raw Measured T_CO2 NOAA-2 = 476.5550 (+- 0.14195) 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 RMSE for 12CO2 linear fit = 0.123899 ppm RMSE for 13CO2 linear fit = 0.000698 ppm RMSE for 18O linear fit = 0.002171 ppm Slope for 12CO2 linear fit = 0.9846 ppm / ppm Slope for 13CO2 linear fit = 0.9771 ppm / ppm Slope for 18O linear fit = 0.9586 ppm / ppm Offs. for 12CO2 linear fit = -1.459096 ppm Offs. for 13CO2 linear fit = -0.011046 ppm Offs. for 18O linear fit = -0.006704 ppm Output created on Tue Apr 23 14:48:15 2013