New approach to estimate the shear stress and the force of raindrops and their effect on erodibility of agricultural soils

• Autorzy: Moussouni A. , Bouhadef M. , Mouzai L.
• Języki publikacji: EN

Abstrakty

EN

The objective of this work was to the study the erosive force of raindrops and the shear stress on the soil erodibility of disturbed and saturated agricultural soil. A mathematical development was used to determine a new approach to the shear stress. The soil erodibility is calculated using the WEPP (water erosion prediction project) model. To realize this work, an experimental study was led in a laboratory using the rainfall simulator. The soil tray used in this study has a length of 2 m, width of 50 cm and a depth of 15 cm and the slope was adjusted with a system. The soils used were sandy and silty agricultural soils. The results show that the relationship between the erosive force of raindrops and the shear stress on the soil erodibility increased respectively as a power and linear function with an important coeffiient of determination. As regards the relationships between soil erodibility and the mean raindrop diameter, the evolution is represented by a power function with high coeffiient of determination.

• Wydawca: -
• Czasopismo: Polish Journal of Soil Science
• Rocznik: 2019
• Tom: 52
• Numer: 1
• Opis fizyczny: p.75-93,fig.,ref.

Twórcy

autor

Moussouni A.

• Faculty of Civil Engineering, LEGHYD Laboratory, University of Sciences and Technology Houari Boumediene, BP 32, Bab-Ezzouar, Algiers, Algeria

autor

Bouhadef M.

• Faculty of Civil Engineering, LEGHYD Laboratory, University of Sciences and Technology Houari Boumediene, BP 32, Bab-Ezzouar, Algiers, Algeria

autor

Mouzai L.

• Faculty of Civil Engineering, LEGHYD Laboratory, University of Sciences and Technology Houari Boumediene, BP 32, Bab-Ezzouar, Algiers, Algeria

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Identyfikatory

DOI

10.17951/pjss/2019.52.1.75