Table 1. CH4 oxidation rates (mean±s.e.m.) estimated from microcosm experiments.
Incubation condition |
Final [CH4] (ppmv) | Rate constant, k ((g of soil)−1 day−1) | Estimated CH4 oxidation rate at 1.813 ppmv (ng C (g of soil)−1 day−1) | Estimated CH4 flux (mg C m−2 day−1) | |
---|---|---|---|---|---|
Temp. (°C) | Water saturation (%) | ||||
4 | 33 | 0.6 | −0.012±0.005 (R2=0.940) | −2.76±1.15 | −0.25±0.10 |
4 | 66 | 1.4 | −0.002±0.001 (R2=0.691) | −0.45±0.21 | −0.04±0.02 |
4 | 100 | 1 | −0.003±0.001 (R2=0.740) | −0.59±0.19 | −0.05±0.02 |
10 | 33 | 0.1 | −0.036±0.006 (R2=0.944) | −8.06±1.36 | −0.73±0.12 |
10 | 66 | 0.6 | −0.006±0.001 (R2=0.821) | −1.26±0.32 | −0.11±0.03 |
10 | 100 | 0.4 | −0.004±0.001 (R2=0.700) | −0.89±0.16 | −0.08±0.01 |