Identification of Hydrochemical Function and Behavior of the Houzhai Karst Basin, Guizhou Province, Southwestern China

Table 1

The relative contribution of the different runoff components of three stations.

Station	Water year	P1 (%)	P2 (%)	P3 (%)	P4 (%)	Discharge (m^3/s)	Precipitation (mm)
Muzhudong	1990	36.75	29.6	29.78	3.88	0.119	1093.7
	1991	6.28	34.25	53.19	6.28	0.316	1806
	1992	24	40	32	4	0.168	1271.8
	Average	22.34	73		4.72	0.201	1390.5
Laohetan	1990	53.33	20	16.67	10	0.244	1129.6
	1991	7.83	40.26	35.77	16.14	0.43	1726.9
	1992	28	16	36	20	0.312	1320.7
	Average	29.72	54.9		15.38	0.329	1392.4
Zilaishujing	1990	15.38	38.46	34.62	11.54	0.758	1184.5
	1991	8	32	52	8	0.918	2404.7
	1992	17.65	35.29	17.65	29.41	0.839	1390.9
	Average	13.68	70		16.32	0.838	1660
Average		21.9	66.0		12.1	0.456	1481