Table 2. The stepwise regression analysis debris flow sediment and factors.

Variables	Regression coefficient	Standart error	Model R2	F	Prob>F
Constrant	78.825	8.056
Concave (Vertical slope)	491.923	41.332	0.145	44.329	0.000
Complex (Cross slope)	−396.410	44.666	0.360	73.177	0.000
1,201 m< (Altitude)	52.097	12.381	0.387	54.528	0.000
N (Aspect)	22.975	8.771	0.402	43.393	0.000
801∼1,200 m (Altitude)	26.251	9.588	0.414	36.334	0.000
31∼40 (Slope gradient (º))	−18.612	8.862	0.424	31.415	0.000