DOI: 10.5593/SGEM2015/B32/S13.041


S. Mircea, R.Teodorescu, N. Petrescu, A. Tronac
Thursday 24 September 2015 by Libadmin2015

References: 15th International Multidisciplinary Scientific GeoConference SGEM 2015, www.sgem.org, SGEM2015 Conference Proceedings, ISBN 978-619-7105-37-7 / ISSN 1314-2704, June 18-24, 2015, Book3 Vol. 2, 303-308 pp

Gully erosion affects an important part of the Romanian agricultural lands together with surface erosion and landslides. As it is well known, gullies development on the three main directions, such as length, width and depth - has a major impact on the environment, either on short or long term. Their continuous development causes important damages to the environment, in general, and to the agricultural lands in particular, as well as to the human settlements, watercourses and various socio-economic units, such as reservoirs or hydropower plants, transportation ways, etc. Gully erosion modeling is much more little developed in comparison with the mathematical models for the sheet erosion, rill or between rills.
The paper aims to present some considerations regarding gully erosion modeling in terms of some new deterministic theoretical models developed for the initiation (incision) of the gullies, as well as the intensity of their evolution, in the form of some indicators. The case-study was carried out in one of the most affected area both by surface and gully erosion as well as landslides in this region, being located in Sub-Carpathians Curvature region, Buzau County, on some small torrential sub-watersheds having predominant agricultural land use.

Keywords: gully erosion, gully headcut, torrential watersheds, model, sediments

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