Acta Univ. Agric. Silvic. Mendelianae Brun. 2012, 60(3), 155-164 | DOI: 10.11118/actaun201260030155

The influence of water erosion processes on sediment and nutriet transport from a small agricultural catchment area

František Pavlík1, Miroslav Dumbrovský1, Jana Podhrázská2, Jana Konečná2
1 Ústav vodního hospodářství krajiny, Fakulta stavební, Vysoké učení technické v Brně, Veveří 95, 602 00 Brno, Česká republika
2 Výzkumný ústav meliorací a ochrany půdy, v. v. i., pracoviště Brno, Lidická 25/27, 602 00 Brno, Česká republika

Erosion processes in catchment areas cause serious ecologic and economic problems because of their negative consequences in terms of soil and water deterioration as well as for the environment as a whole. The soil particles washed down by water erosion are the biggest pollution factor due to their amount and volume. Sediments are the product of a selective process in which smaller and lighter particles are separated from eroded soil and taken away by water first. This means that the sediments contain a higher amount of organic, clay, and silt particles than the the original soils. Washed down sediments consist mainly of particles smaller than 0.05 mm (40-90% of the mixture). Other studies in the Czech Republic have focused on the assessment of soil erosion, based upon principles and parameters defined in the Universal Soil Loss Equation, but none of them has dealt with nutrient transport assessment as a consequence of water erosion. This paper presents a summary concerning the nutrient content in erosion sediment in a selected catchment area. Research work was conducted to identify and quantify the sediment load associated with nutrient transport especially from arable land on different soil types.

Keywords: soil erosion, nutrient transport, catchment area, water quality
Grants and funding:

The paper was elaborated in the frame of research projects MZE 0049002702 and QI91C200 thanks to the support of the Ministry of Agriculture of the Czech Republic.

Received: December 8, 2011; Published: August 28, 2013  Show citation

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Pavlík, F., Dumbrovský, M., Podhrázská, J., & Konečná, J. (2012). The influence of water erosion processes on sediment and nutriet transport from a small agricultural catchment area. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis60(3), 155-164. doi: 10.11118/actaun201260030155
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