Agharezi, H., Davudirad, A., Mardian M., Sofi, M., 2014. Investigation of the surface slope threshold of gully in Zahirabad Watershed, Shazand, Markazi Province. Water. Engin. Manage. 6, 1-9 (in Persian).
Bayat, R., Alinejadian-Bidabadi, A., Soufi, M., Maleki, A., Akbarpour, O., 2024. Identifying effective factors on morphology of South West of Nazar Abad gullies using UAV. Iran. J. Soil Res. 38, 61-76 (in Persian).
Bocco, G., 1991. Gully erosion: Processes and models. In Anderson, M.G., Brooks, S.P., (Eds.). Advances Hillslope Process. (1–20).
Bonferroni, C.E., 1936. Teoria statistica delle classi e calcolo delle probabilità. Pubblicazioni del R Istituto Superiore di Scienze Economiche e Commerciali di Firenze. 8, 3-62.
Castillo, C., Gómez, J.A., 2016. A century of gully erosion research: Perspectives, trends and challenges. Catena 145, 49–64.
Cohen, J., 1988. Statistical Power analysis for the behavioral sciences (2nd ed.). Lawrence Erlbaum Associates.
Collison, A.J.C., 2001. The cycle of instability: stress release and fissure flow as controls on gully head retreat. Hydrol. Process. 15, 3–12. https://doi.org/10.1002/ hyp.150.
Detailed and executive studies., 2022. Review of detailed and executive studies of natural resources and watershed management of the Kolocheh basin of Bijar city. Sabz Andish Payesh Engineering Company, Volume 1 of Basin Physiography (in Persian).
Dong, Y., Wu, Y., Yin, J., Wang, Y., Gou, S., 2011. Investigation of soil shear-strength parameters and prediction of the collapse of gully walls in the black soil region of Northeastern China. Phys. Geogr. 32, 161–178. https://doi.org/10.2747/0272- 3646.32.2.161.
Fisher, R.A., 1922. On the interpretation of χ² from contingency tables, and the calculation of P. J. Royal Statistic. Soci. 85, 87-94.
Fox, G.A., Wilson, G.V., Simon, A., Langendoen, E.J., Akay, O., Fuchs, J.W., 2007. Measuring streambank erosion due to ground water seepage: Correlations to bank pore water pressure, precipitation and stream stage. Earth Surf. Process. Landform. 32, 1558–1573. https://doi.org/10.1002/esp.1490
Fox, G.A., Wilson, G.V., 2010. The role of subsurface flow in hillslope and stream bank erosion: A review. Soil Sci. Soc. Am. J. 74, 717–733. https://doi.org/10.2136/ sssaj2009.0319.
Fox, G.A., Wilson, G.V., Periketi, R.K., Cullum, R.F., 2006. Sediment transport model for seepage erosion of streambank sediment. J. Hydrol. Eng. 11, 603–611. https:// doi.org/10.1061/(ASCE)1084-0699(2006)11:6(603).
Hosmer, D.W., Lemeshow, S., Sturdivant, R.X., 2013. Applied logistic regression (3rd ed.). John Wiley and Sons.
Istanbulluoglu, E., Tarboton, D.G., Pack, R.T., Luce, C., 2003. A sediment transport model for incision of gullies on steep topography. Water Resour. Res. 39(4) https:// doi.org/10.1029/2002WR001467.
Kaufman, L., Rousseeuw, P.J., 2009. Finding Groups in Data: An Introduction to Cluster Analysis. John Wiley & Sons.
Langendoen, E.J., & Simon, A., 2008. Modeling the evolution of incised streams. II: Streambank erosion. J. Hydraulic Engine. 134, 905–915. https://doi.org/10.1061/(ASCE)0733-9429(2008)134:7(905)
Langendoen, E.J., Simon, A., 2008. Modeling the evolution of incised streams. II: streambank erosion. J. Hydraul. Engin. 134, 905–915. https://doi.org/10.1061/ (ASCE)0733-9429(2008)134:7(905).
Marzolff, I., Ries, J.B., Poesen, J., 2011. Short-term versus medium-term monitoring for detecting gully-erosion variability in a Mediterranean environment: short-term versus medium-term gully-erosion variability. Earth Surf. Process. Landf. 36, 1604–1623. https://doi.org/10.1002/esp.2172.
Michalowski, R.L., 2013. Stability charts for uniform slopes. J. Geotechnic. Geoenviron. Engin. 139, 958–968. https://doi.org/10.1061/(ASCE)GT.1943-5606.0000828
Michalowski, R.L., 2013. Stability assessment of slopes with cracks using limit analysis. Canad. Geotechnic. J. 50, 1011–1021.
Momm, H.G., Wells, R.R., Bingner, R.L., 2015. GIS technology for spatiotemporal measurements of gully channel width evolution. Nat. Hazards. 79, 97–112. https://doi.org/10.1007/s11069-015-1615-z.
Montgomery, D.C., Peck, E.A., Vining, G.G., 2012. Introduction to linear regression analysis (5th ed.). John Wiley and Sons.
Nachtergaele, J., Poesen, J., Vandekerckhove, L., Oostwoud Wijdenes, D., Roxo, M., 2002. Gully erosion in a mediterranean environment: The role of land use and topography. Earth Surf. Process. Landform. 27, 1127–1142. https://doi.org/10.1002/esp.401
Nekouiemehr, M., Emami, S.N., Raisian, R., Soufi, M., Goodarzi, M., 2011. Investigation of morpho-climatic characteristics of gullies in order to classify regions affected by gully erosion in Chaharmahal and Bakhtiary Province. Water. Engin. Manage. 3, 49-57 (in Persian).
Oostwoud Wijdenes, D.J., Bryan, R., 2001. Gully-head erosion processes on a semi-arid valley floor in Kenya: A case study into temporal variation and sediment budgeting. Earth Surf. Process. Landf. 26, 911–933.
Poesen, J., 2003. Gully erosion in dryland environments. In Encyclopedia of soil science (602–607). Marcel Dekker.
Poesen, J., 2011. Challenges in gully erosion research. Landform Analysis 17, 5–9.
Poesen, J., 2018. Soil erosion in the anthropocene: research needs. Earth Surf. Process. Landform. 43, 64–84.
Qin, C., Zheng, F., Wells, R.R., Xu, X., Wang, B., Zhong, K., 2018. A laboratory study of channel sidewall expansion in upland concentrated flows. Soil Tillage Res. 178, 22–31. https://doi.org/10.1016/j.still.2017.12.008.
Shadfar, S., 2016. Determining the potential of gully erosion using artificial neural networks, case study: Toroud watershed. Water. Engin. Manage. 8, 256-263 (in Persian).
Shahbazi, K., Khosrowshahi, M., Heshmati, M., Ghaituri, M., 2019. The effect of geological and topographic factors on determining gully erosion thresholds. J. Water. Manage. 11, 259-268 (in Persian).
Soleimanpour, S.M., Soufi, M., Rousta, M.J., Shadfar, S., Jowkar, L., Keshavarzi, H., 2020. Investigation of permanent gullies extension trend in Khorrambid Watershed, Fars Province. Water. Engin. Manage. 12, 318-329 (in Persian).
Soufi, M., Bayat, R., Partovi, A., 2022. Methods of gully control and reclamation in different provinces of Iran. Water. Engin. Manage. 14, 1-16 (in Persian).
Szumilas, M., 2010. Explaining odds ratios. J. Canad. Academy Child Adolesc. Psychiat. 19, 227-229.
Terzaghi, K., 1943. Stability of Slopes. In Theoretical Soil Mechanics (231–316). John Wiley and Sons, Inc.
Thomas, J.T., Iverson, N.R., Burkart, M.R., Kramer, L.A., 2004. Long-term growth of a valley-bottom gully, western Iowa. Earth Surf. Process. Landf. 29, 995–1009. https://doi.org/10.1002/esp.1084.
Thorne, C.R., Tovey, N.K., 1981. Stability of composite river banks. Earth Surf. Process. Landform. 6, 469–484. https://doi.org/10.1002/esp.3290060508
Thorne, C.R., Tovey, N.K., 1981. Stability of composite river banks. Earth Surf. Process. Landf. 6, 469–484. https://doi.org/10.1002/esp.3290060507.
Torri, D., Poesen, J., 2014. A review of topographic threshold conditions for gully head development in different environments. Earth-Sci. Review. 130, 73-85.
Valentin, C., Poesen, J., Li, Y., 2005. Gully erosion: Impacts, factors and control. Catena 63, 132–153. https://doi.org/10.1016/j.catena.2005.06.001
Van Beek, L.P.H., Wint, J., Cammeraat, E.L.H., Edwards, J.P., 2016. Observation and simulation of root reinforcement on unstable slopes. Catena 147, 817–829.
Van Beek, L.P.H., Wint, J., de Vente, J., 2016. Hydrological controls on slope stability and landslide occurrence. Hydrol. Earth System Sci. 20, 1–22.
Vandaele, K., Poesen, J., Van den Heuvel, W., Muys, B., 1996. Factors controlling erosion in agricultural catchments. Catena 26, 1–19.
Vanmaercke, M., Poesen, J., Govers, G., Verstraeten, G., Van Rompaey, A., 2016. Recent advances in understanding gully erosion processes and controlling factors. Earth-Sci. Review. 154, 33–55.