Morphometric parameters

Formula/Definition

References

1

Stream order (u)

Hierarchical rank

[35]

2

No. of streams (N_u)

[33]

3

Stream length (L_u)

[36]

4

Bifurcation ratio (R_b)

[35]

5

Basin length (L_b) Km

Length of basin (Km)

[33]

6

Basin area (A) Km²

Plan area of the watershed (Km)

[33]

7

Basin perimeter (P) Km

Perimeter of the watershed (Km)

[33]

8

Elongation ratio (R_e)

[39]

9

Shape factor (S_f)

[33]

10

Circularity ratio (R_c)

[36] [38]

11

Compactness coefficient (C_c)

[33]

12

Stream frequency (F_s)

[33]

13

Drainage density (D_d) Km/Km²

[33]

14

Length of overland flow (L_o)

[33]

15

Basin relief (B_h) or total relief (H) (m)

, where, h = maximum height (m)

h₁ = minimum height (m)

[83]

16

Relief ratio (R_r)

, where H= total relief, L_b = basin length

[39]

17

Ruggedness number (R_n)

[36]

18

Hypsometric integral (H_i)

, where = the weighted mean elevation, H = maximum elevation, h = minimum elevation

[34]

19

Basin slope (degree) (D)

-

20

Geometry number (G_n)

, where D = slope degree

[82]