1- Alatorre L.C, Begueria S., Garcia-Ruiz J.M. 2010. Regional scale modeling of hillslope sediment delivery: a case study in the Barasona Reservoir watershed (Spain) using WaTEM/SEDEM. Journal of Hydrology 391:111–125.
2- Amsalu T., and Mengaw A. 2014.GIS based soil loss estimation using RUSLE model: The case of Jabi Tenan Woreda, ANRS, Ethiopia, Natural Resource 616-625.
3- Bouyoucos G.J. 1962. Hydrometer method improved for making particle size analysis of soils. Agronomy Journal 56: 464-465.
4- Cobo J.G., Dercon G., Cadisch G. 2010. Nutrient balances in African land use systems across different spatial scales: A review of approaches, challenges and progress. Agr Ecosystem Environment 136:1-15.
5- Elizeu J.D., Paolo Gomes Minella J., Evrard O. 2017. Measuring and modelling soil erosion and sediment yields in a large cultivated catchment under no-till of Southern Brazil., Soil and Tillage Research 174: 24–33.
6- Fu G.B., Chen S.L., and McCool D.K. 2006. Modeling the impacts of no-till practice on soil erosion and sediment yield with RUSLE, SEDD, and ArcView GIS. Soil and Tillage Research 85: 38-49.
7- Gia Pham T., Degener J., and Kappas M. 2018. Integrated universal soil loss equation (USLE) and Geographical Information System (GIS) for soil erosion estimation in A Sap basin: Central Vietnam. International Soil and Water Conservation Research 6: 99–110.
8- Govers G. 1991. Time-dependency of runoff velocity and erosion: the effect of the initial soil moisture profile. Earth surface processes and Landforms 16: 713-729.
9- Liu Y., and Fu B. 2016. Assessing Sedimentological Connectivity Using WaTEM/SEDEM Model in A Hilly And Gully Watershed of The Loess Plateau, China. Ecological Indicators 66: 259-268.
10- McCool DK., Foster G.R., Mutchler C.K., and Meyer L.D. 1989b. Revised Slope Length factor in the Universal Soil Loss Equation. T. Am. Soc. Agr. Eng. 32: 1571–1576.
11- Nearing M.A., Nicks A.D. 1998. Evaluation of the Water Erosion Prediction Project model for hillslopes. In: Boardman J, Favis-Mortlock D (eds) Modelling soil erosion by water. Springer, Oxford, pp43-53.
12- Paul L., and Vlek G. 2011. Modeling soil erosion and reservoir sedimentation at hillslope and catchment scale in semi-arid Burkina Faso., Ecology and Development Series No. 80, 2011.
13- Renard K.G., Foster G.R., Weeies G.A., McCool D.K., and Yoder D.C. 1997. Predicting soil erosion by water; A guide to conservation planning with the Revised Universal Soil Loss Equation. U.S. Department of Agriculture, Agriculture Handbook No. 703.
14- Rezaei P., Faridi P., Ghorbani M., and Kazemi M. 2014. Estimation of soil erosion using RUSLE model and recongnizing of most effective factor in Gabric watershed-Southeast of Hormozgan Provine. Researches of Qualitative Geomorphology 3(1): 97-113.
15- Ro¨mkens M.J.M., Young R.A., Poesen J.W.A., McCool D.K., El-Swaify S.A., and Bradford J.M. 1997. Chapter 3. Soil erodibility factor (K). In K. G. Renard, G. R. Foster, G. A. Weesies, D. K. McCool and D. C. Yoder (eds.) Predicting soil erosion by water: A guide to conservation planning with the Revised Universal Soil Loss Equation (RUSLE). Agriculture Handbook No 703. (Washington, DC: US Department of Agriculture), pp. 65_99.
16- Shi Z.H., Ai L., Fang N.F., and Zhu H.D. 2012. Modeling the impacts of integrated small watershed management on soil erosion and sediment delivery: A case study in the Three Gorges Area, China., Journal of Hydrology 438–439: 156–167.
17- Shirazi M.A., and Boersma L. 1984. A unifying quantitative analysis of soil texture, Soil Science Society of America Journal 48: 142-147.
18- Van Oost K., Govers G., and Desmet P. 2000. Evaluating the effects of changes in landscape structure on soil erosion by water and tillage .Landscape Ecology 15: 577–589.
19- Van Oost K. 2003. Spatial modelling of soil redistribution processes in agricultural landscapes. K.U.Leuven, Belgium.
20- Van Oost K., Govers G., Cerdan O., Van Rompaey D.A., Steegen A., Nachtergaele J., Takken I., and Poesen I. 2005. Spatially distributed data for erosion model calibration and validation: The Ganspoel and Kinderveld datasets. Catena 61: 105–12.
21- Van Rompaey A.J.J., Verstraeten G., Van Oost K., Govers G., and Poesen J. 2001. Modelling mean annual sediment yield using a distributed approach. Earth Surf Process Landf 26:1221–1236. doi:10. 1002/esp.275
22- Van Rompaey A.J.J., Govers G., and Puttemans C. 2002. Modelling land use changes and their impact on soil erosion and sediment supply to rivers. Earth Surf Process Landf 27:481–494. doi:10.1002/esp.335
23- Verstraeten G., Van Oost K., Van Rompaey A., Poesen J., and Govers G. 2002. Evaluating an integrated approach to catchment management to reduce soil loss and sediment pollution through modeling. Soil Use Manage 19: 386–394.
24- Van Rompaey A.J.J., Verstraeten G., Van Oost K., Govers G., and Poesen J. 2001. Modeling mean annual sediment yield using a distributed approach. Surf. Process. Landf.26: 1221–1236.
25- Van Rompaey A.J.J., and Govers G. 2002. Data quality and model complexity for regional scale soil erosion prediction. International Journal Geography Inf. Science 16: 663–680.
26- Wilson J.P., and Gallant J.C. 2000. Digital terrain analysis. In Wilson, JP and Gallant JC. (Eds). Terrain analysis: principles and applications. John Wiley & Sons, New York, PP: 1-22.
27- Wischmeier W.H., and Smith D.D. 1978. Predicting. Washington D.C. 58 pp. Rainfall Erosion Losses. Agricultural Handbook No. 537. USDA-Science and Education Administration.
28- Yitayew M., Pokrzywka S.J., and Renard K.G. 1999. Using GIS for facilitating erosion estimation. Applied Engineering in Agriculture 15: 295-301.
29- Zhang H.,YangQ., Li R., Liu Q., Moore D., He P., and Geissen V. 2013 .Extension of a GIS procedure for calculating the RUSLE equation LS factor. Journal of Computers and Geosciences 52: 177–188.