Models of Gully Erosion by Water

The type of modelling of gully erosion for the projects of land management depend on the targets and degree of details of these projects, as well as on the availability of input data. The set of four models cover a broad range of possible applications. The most detailed information about predicted g...

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Autor principal:	Aleksey Sidorchuk
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	land management gully geometry dynamic erosion model stable gully area–slope approach Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
Acceso en línea:	https://doaj.org/article/98de5ee79b86425e8f468dfd7e639202
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id	oai:doaj.org-article:98de5ee79b86425e8f468dfd7e639202
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spelling	oai:doaj.org-article:98de5ee79b86425e8f468dfd7e6392022021-11-25T19:16:30ZModels of Gully Erosion by Water10.3390/w132232932073-4441https://doaj.org/article/98de5ee79b86425e8f468dfd7e6392022021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4441/13/22/3293https://doaj.org/toc/2073-4441The type of modelling of gully erosion for the projects of land management depend on the targets and degree of details of these projects, as well as on the availability of input data. The set of four models cover a broad range of possible applications. The most detailed information about predicted gullies, change of their depth, width, and volume throughout the gully lifetime is obtained with the gully erosion and thermoerosion dynamic model. The calculation requires the time series of surface runoff, catchment relief, and lithology and the complex of coefficients and parameters, some of which can be estimated only by model calibration on the measurements. The difficulty in obtaining some of these coefficients makes it necessary to use less complicated models. The stable gully model predicts final gully depths and widths and is useful for projects where only stable gully geometry is used. The modified area–slope approach is used in the two simplest models, where the position on the slopes of possible gullies is calculated without details of the gully geometry. One of these models calculates total erosion potential, taking into account all water runoff transforming a gully. The second calculates gully erosion risk, using the information about slope inclination, contributing area and maximum surface runoff.Aleksey SidorchukMDPI AGarticleland managementgully geometrydynamic erosion modelstable gullyarea–slope approachHydraulic engineeringTC1-978Water supply for domestic and industrial purposesTD201-500ENWater, Vol 13, Iss 3293, p 3293 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	land management gully geometry dynamic erosion model stable gully area–slope approach Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
spellingShingle	land management gully geometry dynamic erosion model stable gully area–slope approach Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 Aleksey Sidorchuk Models of Gully Erosion by Water
description	The type of modelling of gully erosion for the projects of land management depend on the targets and degree of details of these projects, as well as on the availability of input data. The set of four models cover a broad range of possible applications. The most detailed information about predicted gullies, change of their depth, width, and volume throughout the gully lifetime is obtained with the gully erosion and thermoerosion dynamic model. The calculation requires the time series of surface runoff, catchment relief, and lithology and the complex of coefficients and parameters, some of which can be estimated only by model calibration on the measurements. The difficulty in obtaining some of these coefficients makes it necessary to use less complicated models. The stable gully model predicts final gully depths and widths and is useful for projects where only stable gully geometry is used. The modified area–slope approach is used in the two simplest models, where the position on the slopes of possible gullies is calculated without details of the gully geometry. One of these models calculates total erosion potential, taking into account all water runoff transforming a gully. The second calculates gully erosion risk, using the information about slope inclination, contributing area and maximum surface runoff.
format	article
author	Aleksey Sidorchuk
author_facet	Aleksey Sidorchuk
author_sort	Aleksey Sidorchuk
title	Models of Gully Erosion by Water
title_short	Models of Gully Erosion by Water
title_full	Models of Gully Erosion by Water
title_fullStr	Models of Gully Erosion by Water
title_full_unstemmed	Models of Gully Erosion by Water
title_sort	models of gully erosion by water
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/98de5ee79b86425e8f468dfd7e639202
work_keys_str_mv	AT alekseysidorchuk modelsofgullyerosionbywater
_version_	1718410108300427264

Models of Gully Erosion by Water

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