|
| S. No. | Morphometric parameters | Formulae | Reference |
|
| 1 | Stream Order () | Hierarchical rank (Strahler Scheme) | [9] |
| 2 | Stream Length () | Length of the stream | [22] |
| 3 | Mean Stream
Length () | ; Where, = mean stream length; = Total stream length of order “”; = Total no. of stream segments of order “” | [9] |
| 4 | Stream Length
Ratio () | ; Where, = Stream length ratio; = The total stream length of order “”; = The total stream length of its next lower order | [22] |
| 5 | Bifurcation Ratio () | ; Where, = Bifucation ratio; = Total no. of stream segments of order “”; = Number of segments of the next higher order | [23] |
| 6 | Mean Bifurcation Ratio () | = Average of bifurcation ratios of all orders | [10] |
| 7 | Relief Ratio () | ; Where, = Relief ratio; H = Total relief (Relative relief) of the basin in Kilometre; = Basin length | [23] |
| 8 | Drainage Density () | ; Where, = Drainage density; = Total stream length of all orders; A = Area of the basin (km²) | [24] |
| 9 | Stream Frequency () | ; Where, = Stream frequency; = Total no. of streams of all orders; = Area of the basin (km²) | [24] |
| 10 | Drainage Texture () | ; Where, = Drainage texture; = Total no. of streams of all orders;
= Perimeter (km) | [22] |
| 11 | Form Factor () | ; Where, = Form factor; = Area of the basin (km²); = Square of basin length | [24] |
| 12 | Circularity Ratio () | = 4 * * ;Where, = Circularity ratio; = “” value that is 3.14; A = Area of the basin (km²); P = Perimeter (km) | [25] |
| 13 | Elongation Ratio () | (); Where, Re = Elongation ratio = Area of the basin (km²); = “” value that is 3.14; = Basin length | [23] |
| 14 | Length of overland flow () | = 1/D * 2; Where, = Length of overland flow; D = Drainage density | [22] |
| 15 | Constant Channel Maintenance () | ; Where, D = Drainage density | [23] |
| 16 | Texture Ratio () | ; Where, N1 = Total number of streams in 1st order; P = Perimeter of basin | [23] |
| 17 | Shape index () | ; Where, = Basin length; A = Area of basin | [22] |
| 18 | Ruggedness number () | = * ; Where, = Basin relief; D = Drainage density | [26] |
| 19 | Shape Factor () | ; Where, = Perimeter of circle of watershed area; = Perimeter of watershed | [27] |
| 20 | Drainage Intensity () | ; Where, = Stream frequency; = Drainage density | [28] |
| 21 | Compactness coefficient () | ; Where, = Perimeter of watershed; = Perimeter of circle of watershed area | [19] |
|
