S.N. | Parameters | Abbreviation | Significance |
1 | Slope aspect | Asp | Solar insolation, evapotranspiration, species distribution and abundance |
2 | Total curvature | Cr | Total surface curvature |
3 | Distance to drainage | Dtd | Influence of fluvial processes |
4 | Distance to ridge | Dtr | Tectonic geomorphology, amplification of seismic shaking, accumulation of flow |
5 | Drainage density | Dd | Intensity of fluvial processes, stages of channelization |
6 | Drop | Dr | Hydrological slope, geomorphological |
7 | Elevation | El | Climate, vegetation, potential energy |
8 | Elevation-relief ratio | Er | Stages of landscape development; characterization of topography |
9 | Internal relief | Ir | Characteristic of terrain roughness |
10 | Profile curvature | Pfc | Flow acceleration, erosion, deposition rate, geomorphology |
11 | Plan curvature | Plc | Converging/diverging flow, soil water content, soil characteristics |
12 | Slope | Sl | Velocity of surface and subsurface flow, geomorphology, soil water content |
13 | Stream power index | SPI | Measures erosive power of flowing water |
14 | Sediment transport capacity index | STCI | Net erosion and deposition rates; provides an estimate of transportation capacity and erosion |
15 | Terrain characterization index | TCI | Descriptor of terrain shapes and spatial variability of soil depths |
16 | Topographic wetness index | TWI | Soil moisture conditions and variability of soil types |