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Parameterization for EROSION-3D Model under Simulated Rainfall Conditions in Lower Shivaliks of India

1
TU Bergakademie Freiberg, Soil and Water Conservation Unit, Agricolastraße 22, 09599 Freiberg, Germany
2
Regional Research Station, Punjab Agricultural University, Ballowal Saunkhri, SBS Nagar, Punjab 144521, India
3
Thüringer Landesanstalt für Landwirtschaft, Referat 420|Acker und Pflanzenbau, 07743 Jena, Germany
4
GeoGnostics, Bekassinenweg 30, 13503 Berlin, Germany
5
IPROconsult GmbH, Department Ecology and Environment, Schnorrstraße 70, 01069 Dresden, Germany
*
Author to whom correspondence should be addressed.
Geosciences 2018, 8(11), 396; https://doi.org/10.3390/geosciences8110396
Received: 26 July 2018 / Revised: 20 October 2018 / Accepted: 24 October 2018 / Published: 30 October 2018
(This article belongs to the Special Issue Mechanics of Erosion: Process Response to Change)
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Abstract

The Shivalik foothills of northwestern India are very prone to soil erosion by water due to undulating slopes, highly erodible soils and high intensity rainstorm events during monsoon season. Physically based soil erosion modeling is seen as viable method for planning of measurements to reduce damages done by soil erosion. Nevertheless, parametrization of such models is a major challenge for large inaccessible areas. Several methods do exist for the estimation of the input parameters skin factor, surface roughness and resistance to erosion for the physically based soil erosion model EROSION-3D. Four rainfall experiments, each including dry and wet run, were conducted on different land use conditions on a research farm of the Regional Research Station Ballowal Saunkhri to test estimation methods. Modeling parameters were determined from these experiments. Parameter estimation by two methods for experimental conditions produced values in close range to experimentally determined values for resistance to erosion and surface roughness. Therefore, existing estimation methods are considered to be applicable for the conditions of the Shivalik mountains, except for skin factor. A first modeling with EROSION-3D using preliminary data of a small example catchment shows uncertainties resulting from range of determined and estimated soil parameters. View Full-Text
Keywords: soil erosion; rainfall experiment; soil erosion modeling; physical based; EROSION-3D; lower Shivaliks; Kandi area; India; Monsoon soil erosion; rainfall experiment; soil erosion modeling; physical based; EROSION-3D; lower Shivaliks; Kandi area; India; Monsoon
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Lenz, J.; Yousuf, A.; Schindewolf, M.; Von Werner, M.; Hartsch, K.; Singh, M.J.; Schmidt, J. Parameterization for EROSION-3D Model under Simulated Rainfall Conditions in Lower Shivaliks of India. Geosciences 2018, 8, 396.

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