Relationship with hazard

Direct proportional relationship

Inverse proportional relationship

1) Area (A)

2) Drainage density (D_d)

3) Stream frequency (F_s)

4) Basin shape index (S_f)

5) Relief ratio (R_r)

6) Ruggedness number (R_n)

7) Slope index (S_In%)

8) Drainage texture ratio (T_t)

1) Mean bifurcation ratio (R_b)

2) Length overland flow (L_o)

3) Sinuosity (S_I)