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MODELING OF EROSION PROCESSES AND ESTIMATION OF INTERRILL ERODIBILITY SOIL PARAMETERS IN FORESTSTEPPE ZONE OF UKRAINE

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  Paper number  701P0904,  . (doi: 10.13031/2013.17442)
Authors:   Snizhana Tsopa
Keywords:   

Erosion models which are able to describe erosion processes correctly under a number of given parameters in the specified point of space and time are an important apparatus of erosionresistant agrolandscapes design and creation. The Water Erosion Prediction Project (WEPP) model is used to study erosion processes of soils of Ukraine as water flow physical laws to incline plane are in its basis.

Since 1999 till 2003 it has been conducted the researches of the grey forest and chernozem soils erodibility in forest-steppe zone of Ukraine on the Chernivtsy, Khmelnytskyy and Vinnitsa regions territory. According to WEPP methodic field experiments were fulfilled to define parameters of rill and interrill zones erodibility. The process of water erosion was simulated by water filling method without raindrops energy bringing. Both rill and interrill erosion research experiments were held on the same objects of Chernivtsy and Khotyn experimental stations of Chernivtsy Institute of Agroecology and Biotechnology in the Prut and Dnister River basins respectively and also on the territory of three agricultural farms. To conduct these experiments it was used the sprinkling simulator worked out by scheme described in publication of Karlos. It was designed four rain regimes different by intensity. The reiteration of the experiment was double.

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