Relationships between average gully depths and widths on geological sediments underlying the Idah-Ankpa Plateau of the North Central Nigeria

Casali, 2015, Gully geometry: What are we measuring?, Soil, 1, 509, 10.5194/soil-1-509-2015 Cheng, 2007, Morphology parameters of ephemeral gullies in characteristic hill slopes on the Loess Plateau of China, Soil and Tillage Research, 94, 4, 10.1016/j.still.2006.06.007 De Vente, 2005, The application of semi-quantitative methods and reservoir sedimentation for the prediction of basin sediment yields in Spain, Journal of Hydrology, 305, 63, 10.1016/j.jhydrol.2004.08.030 Ebisemiju, 1989, A morphometric approach to gully analysis, Zeitschrift für Geomorpologie, 33, 307, 10.1127/zfg/33/1989/307 Iorkua, A. S. (1999). A gully in the North Bank Area of Makurdi. An unpublished M.Sc. thesis submitted to the University of Ibadan, Nigeria. Oparaku, L. A. (1999). Remedial erosion control measures for Nekede Town, Imo State, Nigeria. Oparaku, L. A. (2015). A Ph.D thesis submitted to the University of Jos, Plateau State, Nigeria. Oparaku, 2016, Relative vulnerability to gully erosion of three geological sediments: A texture-based assessment, Journal of Environmental and Earth Science, 6, 7 Oparaku, 2015, Gully erosion-induced land degradation on the Idah-Ankpa Plateau of the Anambra Basin, Nigeria, International Journal of Innovation Research in Science, Engineering, and Technology, 4, 2319 Pimentel, 1993, Overview, 1 Poesen, 2011, Challenges in gully erosion research, Landform Analysis, 17, 5 Poesen, 2003, Gully erosion and environmental change: Importance and research needs, Catena, 50, 91, 10.1016/S0341-8162(02)00143-1 Preez, 1965, The distribution and chemical properties of ground water in Northern Nigeria, Geological Survey of Nigeria, Bulletin, 36 Radoane, M., Ichim, I., Radoane, N., & Surdeanu, V. (1990). Asupra profilului longitudinal de forma a revenelor din podisul moldovei. Acad. Romana, Stud. Cerect Geogr. Tom. XXXVII. 67–74. Udosen, 1991 US-SCS (1966). Technical release No. 32 (Geology), US Department of Agriculture. Washington DC 125 – 142. Valentin, 2005, Gully erosion impacts, factors and control, Catena, 63, 132, 10.1016/j.catena.2005.06.001 Vandkerekhove, 2000, Characteristics and controlling factors of bank gullies in two semi-arid Mediterranean environments, Geomorphology, 3, 17