Table 1.

Comparison of anoxic radii (r_n and $r_n^{\ast }$) and average difference in oxygen partial pressure $(\overline{\mathrm{\Delta }}p)$ for constant and hyperbolic consumption rate models in spherical geometry.

a (m3 kg−1 s−1)	ro (μm)	rn (μm)	$r_n^{\ast }$ (μm)	Δrn (μm)	$\overline{\mathrm{\Delta }}p$ (mm Hg)
2.5×10−7	500	204	153	51	0.85±0.86
	750	487	445	42	0.42±0.65
	1000	747	708	40	0.29±0.55
5×10−7	500	312	282	30	0.46±0.67
	750	572	545	28	0.27±0.53
	1000	827	800	27	0.19±0.45
7.5×10−7	500	351	328	23	0.35±0.60
	750	608	586	22	0.21±0.47
	1000	860	839	22	0.15±0.40
1×10−6	500	374	354	20	0.29±0.55
	750	628	609	19	0.17±0.43
	1000	880	861	19	0.13±0.37
1.25×10−6	500	388	371	17	0.25±0.51
	750	642	625	17	0.15±0.41
	1000	893	877	17	0.11±0.35
1.5×10−6	500	399	383	16	0.22±0.49
	750	652	636	15	0.14±0.39
	1000	903	888	15	0.10±0.33