Parameters | Formulae | References |

Stream order (U) | Hierarchical rank of streams | [22] |

Stream length (L_{u}) | Length of the stream | [23] |

Mean stream length (L_{sm}) | L_{sm} = L_{u}/N_{u} where: L_{sm} = mean stream length, L_{u} = total stream length of order “U”, N_{u} = total no. of stream segments of order “U” | [22] |

Stream length ratio (R_{L}) | R_{L} = L_{u}/(L_{u} − 1) where, R_{L} = stream length ratio, L_{u} = the total stream length of the order “U”, L_{u} − 1 = the total stream length of its next lower order | [23] |

Bifurcation ratio (R_{b}) | R_{b} = N_{u}/N_{u} + 1 where, R_{b} = bifurcation ratio, N_{u} = total number of stream segments of order “U”, N_{u} + 1 = number of segments of the next higher order | [24] |

Mean bifurcation ratio (R_{bm}) | R_{bm} = average of bifurcation ratios of all order | [25] |

Stream frequency (F_{s}) | F_{s} = N_{u}/A where, F_{s} = stream frequency, N_{u} = total no. of streams of all orders, A = area of basin | [23] |

Drainage texture (T) | T = D_{d} × F_{s} where, T = Drainage texture, D_{d} = drainage density, F_{s} = stream frequency | [26] |

Drainage density (D_{d}) | D_{d} = L_{u}/A where, D_{d} = drainage density, L_{u} = total stream length of all orders, A = area of basin | [23] |

Circularity ratio (R_{c}) | R_{c} = 4πA/P^{2} where, R_{c} = circularity ratio, pi = pi value, A = area of basin, P^{2} = square of the perimeter | [22] |

Elongation ratio (R_{e}) | where, R_{c} = circularity ratio, A = area of basin pi = pi value, L_{b} = basin length | [25] |

Form factor (F_{f}) | F_{f} = A/L^{2} where, F_{f} = form factor, A = area of basin (km), = square of the basin length | [23] |

Relief | R = H − h where, R = relief, H = Vertical distance of the lowest highest points = Vertical distance of the lowest points of watershed in (m) | [27] |

Relief ratio | R_{h} = H/L_{b} where, R_{h} = relief ratio, H = total relief of the basin in km, L_{b} = basin length | [28] |

Length of overland flow (Lg) | Lg = 1 D_{d} × 2 where, Lg = length of overland flow, D_{d} = drainage density | [23] |