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Erosion rates

Moderate topsoil erosion rates constrain the   magnitude of the erosion-induced carbon sink and agricultural   productivity losses on the Chinese Loess Plateau

Moderate topsoil erosion rates constrain the magnitude of the erosion-induced carbon sink and agricultural productivity losses on the Chinese Loess Plateau

... have erosion rates been significantly reduced, mainly as a result of terracing and check dam construction, but eroded sediments are now mostly stored within the CLP rather than exported to the Bohai Sea, as ...

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Feasibility study for the application of synthetic aperture radar for coastal erosion rate quantification across the Arctic

Feasibility study for the application of synthetic aperture radar for coastal erosion rate quantification across the Arctic

... annual erosion rates at the Alaskan and northwest Canadian Arctic coastlines are among the highest in the world, but Siberian coastlines also show high rates (Frederick et ...the erosion ...

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MULTIPERSPECTIVE ANALYSIS OF EROSION TOLERANCE

MULTIPERSPECTIVE ANALYSIS OF EROSION TOLERANCE

... The reason for this may be: a) scientists are too pessimistic in their prognosis, or b) scientists are not effi- cient in convincing the society on the veracity of the state- ments they are reporting. The fact is that ...

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Erosion factors and magnetic susceptibility in differet compartments of a slope in Gilbués-PI, Brazil

Erosion factors and magnetic susceptibility in differet compartments of a slope in Gilbués-PI, Brazil

... of erosion rates are indirect quantitative ...by erosion (HANESCH & SCHOLGER, 2005; VENTURA ...different erosion potentials (ROYALL, 2001) ...

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Topographic roughness as a signature of the emergence of bedrock in eroding landscapes

Topographic roughness as a signature of the emergence of bedrock in eroding landscapes

... when rates of erosion locally exceed rates of soil ...as erosion rates increase in two transient landscapes, Bald Rock Basin, which drains into the Middle Fork Feather River, ...

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Andre´ Augusto Rodrigues Salgado

Andre´ Augusto Rodrigues Salgado

... long-term erosion rates inferred by in situ-produced 10 Be are similar to those of previous studies performed on cratonic environments (Braucher et ...ing rates deduced from the water samples, and ...

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CliFEM – Climate Forcing and Erosion Modelling in the Sele River Basin (Southern Italy)

CliFEM – Climate Forcing and Erosion Modelling in the Sele River Basin (Southern Italy)

... of erosion (1981) in Piedmont vineyards (Tro- peano, 1983), 130 Mg ha −1 per event with frequency of about 6-year period in the central Italy (Bazzoffi et ...annual erosion rates were included in the ...

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Adaptation and application of the erosion potential method for tropical soils

Adaptation and application of the erosion potential method for tropical soils

... In Brazil, the T calculation by Bertol and Almeida (2000) is the most frequently used method because it considers more attributes that reflect soil formation. Thus, T calculations complement the estimates of ...

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Hydrological heterogeneity in Mediterranean reclaimed slopes: runoff and sediment yield at the patch and slope scales along a gradient of overland flow

Hydrological heterogeneity in Mediterranean reclaimed slopes: runoff and sediment yield at the patch and slope scales along a gradient of overland flow

... sion rates for slope 1, which developed some discontinuous rills, finding significant differences with the other two non- rilled ...soil erosion rates (Nicolau, 2002; Bracken and Croke, 2007; Bracken ...

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SPATIAL AND TEMPORAL MODELING OF WATER EROSION IN DYSTROPHIC RED LATOSOL (OXISOL) USED FOR FARMING AND CATTLE RAISING ACTIVITIES IN A SUB-BASIN IN THE SOUTH OF MINAS GERAIS

SPATIAL AND TEMPORAL MODELING OF WATER EROSION IN DYSTROPHIC RED LATOSOL (OXISOL) USED FOR FARMING AND CATTLE RAISING ACTIVITIES IN A SUB-BASIN IN THE SOUTH OF MINAS GERAIS

... Water erosion is one of the most important soil degradation processes and it can be intensified by land use and vegetal covering ...water erosion modeling studies associated to multi temporal analyses of ...

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WATER EROSION RISK PREDICTION IN EUCALYPTUS PLANTATIONS

WATER EROSION RISK PREDICTION IN EUCALYPTUS PLANTATIONS

... water erosion rates and is the most frequently used factor when comparing impacts related to crop and management and for conservation practice planning (Renard et ...

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Use of rare earth oxides as tracers to identify sediment source areas for agricultural hillslopes

Use of rare earth oxides as tracers to identify sediment source areas for agricultural hillslopes

... and rates of erosion at small temporal and spatial ...Measured erosion rates were low, reflecting the typical event conditions occurring at the site, and less than 1% of the applied REO ...

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RESUMO: DEFINIÇÃO DE VALORES TOLERÁVEIS DE EROSÃO

RESUMO: DEFINIÇÃO DE VALORES TOLERÁVEIS DE EROSÃO

... but erosion rates are too high to maintain sustainable agriculture in a more distant future due to excessive soil depth loss, the time span to reduce erosion can and should be longer, avoiding ...

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Modelling environmental benefits of silvoarable agroforestry in Europe

Modelling environmental benefits of silvoarable agroforestry in Europe

... reduced erosion at all LTS in comparison with the arable status quo, especially when contouring was practiced (Table ...) erosion sites (Table 3). Contouring is an important erosion control ...reduce ...

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Genetic erosion of diversity in cereals

Genetic erosion of diversity in cereals

... the erosion of genetic diversity of cereals: switch to another type of agricultural production, changing land purposes, the presence of nursing homes, climate change, as well as intensive use of varieties of ...

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PALAVRAS-CHAVE: características técnicas do Quad-Spray, redimensionamento de bocais,

PALAVRAS-CHAVE: características técnicas do Quad-Spray, redimensionamento de bocais,

... KINCAID (2005) developed an equation for predicting water application pattern width for different emitter models. For a specific type of emitter, the water application pattern width is computed based on nozzle discharge, ...

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Modeling postfire water erosion mitigation strategies

Modeling postfire water erosion mitigation strategies

... Water Erosion Prediction Project (WEPP) model (Flana- gan and Nearing, 1995) and the disturbed-WEPP (Elliott et ...based erosion prediction models evaluating mean erosion rate in natural and ...

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Int. Arch. .  vol.21 número1

Int. Arch. . vol.21 número1

... bone erosion observed in a hypoxic middle ear and elevated NLR in bone erosion, tissue necrosis, and hypoxic conditions, we deter- mined no significant difference in respect of NLR elevation between the ...

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Comparison of methods for quantifying dental wear caused by erosion and abrasion

Comparison of methods for quantifying dental wear caused by erosion and abrasion

... ABSTRACT Various methods have been applied to evaluate the effect of erosion and abrasion. So, the aim of this study was to check the applicability of stylus profilometry (SP), surface hardness (SH) and ...

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Comparing equilibrium real interest rates : different approaches to measure Brazilian rates

Comparing equilibrium real interest rates : different approaches to measure Brazilian rates

... interest rates, it seems clear that nominal interest rates has been higher in Brazil than in similar emerging ...interest rates from IS curves; (ii) extracting steady state interest rates from ...

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