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Table 1

Comparison method: background selection and application of the kriging approach. Averaged CO2, CH4 and CO emission rates from the nine mass balance experiments (MBEs) i) when the emission rates were calculated by kriging the point fluxes (kriging_Fijk) and ii) when they were calculated and integrated after interpolation of concentrations, pressure, temperature and perpendicular wind speed (kriging_CTPU). For both interpolation methods, backgrounds were defined iii) as linear regression (BGlinReg) and iv) as averages (BGavg). Precision is the standard error of the mean at 95% CL. DOI: https://doi.org/10.1525/elementa.134.t1

MethodBGCO2 emission rate
mean (mol/s)
Precision CO2CH4 emission rate
mean (mol/s)
Precision CH4CO emission rate
mean (mol/s)
Precision CO

kriging_Fijk BGlinReg 14600 ± 2500 17% 67 ± 40 60% 108 ± 17 16% 
BGavg 10400 ± 4600 45% 81 ± 47 58% 98 ± 19 19% 
kriging_CTPU BGlinReg 12400 ± 3200 25% 56 ± 23 42% 92 ± 13 14% 
BGavg 11024 ± 4300 39% 65 ± 27 41% 91 ± 16 17% 
MethodBGCO2 emission rate
mean (mol/s)
Precision CO2CH4 emission rate
mean (mol/s)
Precision CH4CO emission rate
mean (mol/s)
Precision CO

kriging_Fijk BGlinReg 14600 ± 2500 17% 67 ± 40 60% 108 ± 17 16% 
BGavg 10400 ± 4600 45% 81 ± 47 58% 98 ± 19 19% 
kriging_CTPU BGlinReg 12400 ± 3200 25% 56 ± 23 42% 92 ± 13 14% 
BGavg 11024 ± 4300 39% 65 ± 27 41% 91 ± 16 17% 
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