Subject area:	Environmental Science
More specific subject area:	Geology and hydrology
Name of your method:	Hydrological modelling for causative factor extraction
Name and reference of original method:	P.F. Quinn, K.J. Beven, R. Lamb, The in (a/tan/β) index: How to calculate it and how to use it within the topmodel framework, Hydrol pro. 9:2 (1995)161–182.10.1002/hyp.3360090204 K.J. Beven, M.J. Kirkby, A physically based, variable contributing area model of basin hydrology, Hydrol Sci J. 24:1 (1979) 43–69.10.1080/02,626,667,909,491,834 S.J. Riley, S.D. DeGloria, R. Elliot, Index that quantifies topographic heterogeneity, Int. J. Sci. 5:1–4 (1999) 23–27.
	I. Ahmad, M.A. Dar, A.H. Teka, T. Gebre, E. Gadissa, A.T. Tolosa, Application of hydrological indices for erosion hazard mapping using Spatial Analyst tool, Environ Monit Assess. 191 (2019) 482.10.1007/s10661-019-7614-x I.D. Moore, J.P. Wilson, Length-slope factors for the Revised Universal Soil Loss Equation: Simplified method of estimation, J. Soils Water Conserv. 47:5 (1992) 423–428. A. Weiss, Topographic position and landforms analysis. In Poster presentation, ESRI user conference, San Diego, CA. 200 (2001). A. Guisan, S. B. Weiss, A. D. Weiss GLM versus CCA spatial modelling of plant species distribution. Plant Ecol. 143 (1999) 107–122.10.1023/A:1,009,841,519,580 D. Djokic, Z. Ye, C. Dartiguenave, Arc hydro tools overview. ESRI. 5 (2011).
Resource availability:	Equipment: Digital Elevation Model (DEM) and Spatial Analysis toolset Data: Open Source DEM are available at USGS earth explorer (https://earthexplorer.usgs.gov/) Processed Data will be made available on request. Software: AcrMap 10.5 Hardware: CPU Speed 2.2 GHz minimum; Hyper-threading (HHT) or Multi-core recommended; Memory/RAM minimum 4 GB, recommended 8 GB; Disk space minimum: 4 GB recommended: 6 GB or higher; Display properties 24-bit colour depth