Spatial Variability and Distribution of the Metals in Surface Runoff in a Nonferrous Metal Mine

Table 3

Theoretical semivariation function model and parameter of Sb, Ni, Cu, Zn, Cd, and Pb content of in surface runoff in the antimony mine.

Item	Type			/()	Variable range (m)
Sb	Spherical	0.0290	0.3780	0.0767	918	0.956
Ni	Spherical	0.00000691	0.0000139	0.504	2001	0.782
Cu	Gauss	0.0601	0.1812	0.3316	1968	0.974
Zn	Spherical	0.0891	0.2022	0.5590	178	0.721
Cd	Gauss	0.00000284	0.00001147	0.248	2579	0.946
Pb	Spherical	0.0000167	0.0000681	0.245	1877	0.611