Soil erosion
THE COSTS OF SOIL EROSION
... On-site effects directly affect cultivable land, mainly through the loss, destruction or reduction of organic matter and nutrients. They also lead to a drop in cultivable soil depth and moisture available for ...
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Approaches for delineating landslide hazard areas using receiver operating characteristic in an advanced calibrating precision soil erosion model
... of erosion susceptibility map by using the landslide locations areas mapped for the purpose of ...the soil erosion and landslide. The area with high erosion have higher risk of landslide ...
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Soil erosion and organic carbon export by wet snow avalanches
... Alps. Soil erosion by snow avalanches may be as important as comparable processes in the summer season, if not more important ...sheet erosion in the Alps may range be- tween ...sheet erosion. ...
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Mapping soil erosion using magnetic susceptibility. A case study in Ukraine
... In Bulgaria Jordanova et al. (2011) proposed to use the difference between MS of coarse and fine-grained mechanical fractions to estimate soil erosion. A detailed field and laboratory study on small 0.84 ha ...
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INSTITUTIONAL LANDMARKS IN BRAZILIAN RESEARCH ON SOIL EROSION: A HISTORICAL OVERVIEW
... with soil degradation and ...on erosion, including a paper by Mendes (1928) on soil erosion in coffee plantations in the State of São ...time, soil erosion was significantly ...
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Soil Erosion Determination in a Watershed from Northern Paraná (Brazil) Using
... The objective of this work was study the soil losses or gains in a watershed in the municipal district of Cambé, Paraná using 137 Cs as marker for the determination of soil redistributions. A transect ...
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Soil Erosion Analysis in a Small Forested Catchment Supported by ArcGIS Model Builder
... of soil loss (rainfall erosivity, soil data, digital elevation model and land use) has to be converted into a GIS-format in order to implement the USLE in ...predicting soil loss for larger ...
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Assessing soil erosion due to land use change at the Alqueva reservoir surrounding area
... assess soil erosion, in order to overcome the costs and unfeasibility of monitoring in ...Modelling soil erosion can provide a quantitative and consistent estimation of the phenomenon under ...
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Predicting soil erosion after land use changes for irrigating agriculture in a large reservoir of southern Portugal
... of soil erosion that are shown in Figure ...potential soil erosion). It is evident the topographic influence on soil erosion ...higher soil erodibility (K) measured for ...
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Soil Erosion Prediction Based on Land Use Changes (A Case in Neka Watershed)
... growth. Soil erosion by water is one of the most important land degradation processes in the Mediterranean ...accelerated erosion of soil in the ...pattern, erosion and the sediment ...
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Valuation and assessment of soil erosion costs
... by soil erosion costs are presented in Figure 1, in which the rising curve C represents the costs of agricultural pro- duction, expressed in terms of the amount of work and inputs required for cropping; D ...
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Soil erosion, Serra de Grandola (Portugal)
... Soil erosion has long been the subject of attention for environmental management researchers because it implies the loss of a key natural resource for sustaining ...for soil erosion assessment ...
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Aplicabilidade do lisem (limburg soil erosion) para simulação hidrológica em uma bacia hidrográfica tropical.
... As variáveis de entrada do modelo LISEM, mais importantes do ponto de vista da gênese do escoamento superficial direto (umidade do solo antecedente aos eventos de precipitação pluvial ( [r] ...
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Farming expansion and land degradation in Western Bahia, Brazil
... by soil erosion has called attention in tropical developing countries, particularly when natural vegetation is converted to ...by soil erosion as a function of farming ...by soil ...
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EROSÃO HÍDRICA SOB CHUVA SIMULADA EM DIFERENTES SISTEMAS DE MANEJO DO SOLO DURANTE O CRESCIMENTO DA SOJA
... ABSTRACT: Soil management influences soil cover by crop residues and plant canopy, affecting water ...and soil losses by water erosion under different soil tillage systems applied on a ...
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Assessment of soil loss vulnerability in data-scarce watersheds in southern Brazil
... annual soil loss, ii) identify the most susceptible locations with respect to soil erosion in order to aid decision-makers in the proposal of watershed and soil management practices in the FRW ...
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WIND EROSION INTENSITY DETERMINATION USING SOIL PARTICLE CATCHER DEVICES
... increasing soil erosion downwind on four locations spaced at 20 ...trapped soil samples in order to determine the size of the soil particles and their proportion in the sample at different ...
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RBRH vol.21 número4
... Soil erosion is one of the most striking environmental degradation processes, which its mapping and assessment is an important tool for management activities and natural resource management in river basins, ...
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RESUMO: DEFINIÇÃO DE VALORES TOLERÁVEIS DE EROSÃO
... estimated. Erosion rates usually cannot be measured but can be estimated by the Universal Soil Loss Equation USLE (Wischmeier & Smith, 1978) or more recent models like the Water Erosion ...
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