Estimate for Southwest China

Table 4

Comparison of bias and standard deviation between the normal fit and Geo fit to Kiknet profiles.

Depth bins	Bias of	Standard deviation	Bias of	Standard deviation	Bias of	Standard deviation	Bias of	Standard deviation	Bias of	Standard deviation
	Simple extrapolate	Simple extrapolate	Linear fit	Linear fit	Geolinear fit	Geolinear fit	Cubic fit	Cubic fit	Geocubic fit	Geocubic fit
5	0.4945	0.3137	0.0074	0.2603	0.0049	0.2428	0.0068	0.2570	0.0028	0.2395
10	0.1670	0.1518	0.0051	0.1998	0.0036	0.1859	0.0068	0.1990	0.0045	0.1855
15	0.0664	0.0790	0.0026	0.1416	0.0014	0.1342	0.0028	0.1411	0.0014	0.1326
20	0.0240	0.0438	0.0015	0.0912	0.0007	0.0868	0.0026	0.0896	−0.0007	0.0827
28	0.0029	0.0249	0.0005	0.0310	0.0003	0.0301	0.0004	0.0303	0.0021	0.0291

Bias = .