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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
The influence of a control measure GAEC 2 on the sediment denuding reduction in chosen basins
 HUMPÁL, David
This diploma thesis deals with the issue of sediments (undissolved substances) and with the possibilities of reducing sediment denudation in an agricultural landscape, especially my means of GAEC 2. The principal object of the thesis is to assess the effect of GAEC 2 on sediment denudation and to propose complementary erosion control measures in a landscape of interest. The research basin of the Jenínský Brook with permanent graminaceous vegetation on its soil blocks (without GAEC 2 application) and the basin of the Budský Brook in the soil blocks of which the GEAC 2 standard is applied were chosen for this thesis. The data series of concentrations of undissolved substances and flow-rates were processed to obtain the required data. The data series were gathered from themonitoring of collection cross-sections J1, J2 (Jenínský Brook micro - basin) and collection cross-section B1 (Budský Brook micro - basin) in the hydrological years 2011 and 2012. The results obtained were compared and the causes of the resulting values including the GAEC 2 effect were established. Appropriate measures to be taken to reduce sediment denudation were proposed based on the detailed research of the basins in question.
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The effect of delimitation of land on the reduction of sediment transport
 HUMPÁL, David
This Bachelor´s Thesis deals with sediment denuding and with its possible reduction in the agricultural landscape by means of delimitation and other erosion control measures. The introductory part is devoted to general characteristics of the sediment, and indicates the amount of sediment in each element of hydrological network in the Czech Republic and in the world. The following two parts describe causes and consequences of higher concentration of sediment in the water environment. Factors affecting sediment denuding into surface waters and the description of these factors are determined in the following part. The last two parts, which are the most comprehensive, deal with means serving to reduction of sediment denuding in the agricultural landscape in term of erosion protection, and possibilities of delimitation application to limit sediment denuding. The aim of this work is to identify and describe protective measures, especially delimitation measures, which are used to reduce sediment denuding in the agricultural landscape, while pointing out the consequences that are caused by sediment in the water environment, coming mainly from poorly protected farmland.
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