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	Provedor de dados 111 (1) 124 (1) 52 (1) 90 (1) Autor Andrade,Eunice Maia de (1) Araújo Neto,José Ribeiro de (1) Kuti, Ibrahim Abayomi (1) Medeiros,Pedro Henrique Augusto (1) Merten,Gustavo H (1) Minella,Jean P.G (1) Moro,Michele (1) Palácio,Helba Araújo de Queiroz (1) Santos,Julio Cesar Neves dos (1) Schulz,Harry Edmar (1) Silva,Alexandre Marco da (1) Uzeika,Talita (1) Mais... Palavra-chave Sediment yield (4) ANCOVA (1) Contour line ridges (1) Cover Crops (1) Hydrologic modeling (1) Polynomial regression (1) Rainfall (1) Runoff (1) SDR (1) Sediment delivery ratio (1) Soil and management (1) Soil erosion (1) Tillage erosion (1) USLE (1) Water erosion (1) Watershed (1) Mais... Tipo do documento Info:eu-repo/semantics/article (4) Ano 2021 (1) 2017 (1) 2012 (1) 2007 (1) País Brazil (3) China (1) Idioma Inglês (4)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 4 Primeira ... 1 ... Última Effects of tillage direction on sediment yield in Chanchaga Basins 111 Kuti, Ibrahim Abayomi. There is no study on the effect of tillage erosion in the region. Runoff plots (24) were constructed on a similar slope. Now sedimentation tanks were incorporated into runoff measurement using catch-pits to collect coarse and suspended sediment. Quadratic model fits sediment and rainfall, while the exponential model fits runoff and sediment yield. The effect of tillage without a crop was highest on sediment yield. Slope gradients have an effect on sediment deposition in Shatta basin because of the convex and concave landscape. While concave landscape makes the slope gradient to have a none effect on sediment yield in Koropa basin. Ridge made parallel to the slope has a high effect on sediment yield. The study concluded that tillage parallel to the slope... Tipo: Info:eu-repo/semantics/article Palavras-chave: Tillage erosion; Rainfall; Contour line ridges; Polynomial regression; Cover Crops; ANCOVA; Runoff; Sediment yield. Ano: 2021 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/6757 Hydrosedimentological dynamic on Água Fria Watershed 52 Silva,Alexandre Marco da; Schulz,Harry Edmar. This study aimed surveying the amount of sediment yielded from the Água Fria watershed (Palmas, Tocantins, Brazil), from February-1998 to January-1999, and investigating the relations between the sediment yield and some environmental and/or antropic factors. The Colby's method was the technique employed for this investigation. The specific sediment yield and sediment delivery ratio were also determined for this period. It was estimated that 138,619 tons of sediment were yielded and the specific sediment yield for the study area was 827 t km-2 y-1, while the sediment delivery ratio was 6.2%. The suspended load was the most dominating fraction in almost all the studied period. Tipo: Info:eu-repo/semantics/article Palavras-chave: Sediment yield; Sediment delivery ratio; Watershed. Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132007000500014 Use of the swat model for hydro-sedimentologic simulation in a small rural watershed 90 Uzeika,Talita; Merten,Gustavo H; Minella,Jean P.G; Moro,Michele. Mathematical models have great potential to support land use planning, with the goal of improving water and land quality. Before using a model, however, the model must demonstrate that it can correctly simulate the hydrological and erosive processes of a given site. The SWAT model (Soil and Water Assessment Tool) was developed in the United States to evaluate the effects of conservation agriculture on hydrological processes and water quality at the watershed scale. This model was initially proposed for use without calibration, which would eliminate the need for measured hydro-sedimentologic data. In this study, the SWAT model was evaluated in a small rural watershed (1.19 km²) located on the basalt slopes of the state of Rio Grande do Sul in southern... Tipo: Info:eu-repo/semantics/article Palavras-chave: Soil and management; Water erosion; Sediment yield; Hydrologic modeling. Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832012000200025 Sediment delivery ratio in a small semi-arid watershed under conditions of low connectivity 124 Santos,Julio Cesar Neves dos; Andrade,Eunice Maia de; Medeiros,Pedro Henrique Augusto; Palácio,Helba Araújo de Queiroz; Araújo Neto,José Ribeiro de. ABSTRACT The semi-arid region in the northeast of Brazil is characterised by rains of high intensity and short duration, with the processes of erosion being aggravated by an inappropriate land-use model. In this region, the lack of measured data for runoff and sediment yield increases the need to apply hydro-sedimentological models in estimating erosion, requiring knowledge of the actual sediment delivery ratio for the region. The aim of this study therefore, was to map soil erosion, making use of the Universal Soil Loss Equation (USLE), in the Iguatu Experimental Watershed (IEW). The mean annual sediment delivery ratio (SDR), and the SDR for individual events, was calculated from hydro-sedimentological measurements, contributing to an understanding of the... Tipo: Info:eu-repo/semantics/article Palavras-chave: Sediment yield; Soil erosion; USLE; SDR. Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902017000100049 Registros recuperados: 4 Primeira ... 1 ... Última

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