• Nenhum resultado encontrado

water erosion

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

... LS values obtained from equation 3 varied spatially from 0 to 5.4 (Figure 3B), which show the RUSLE-3D model suitability (Mitasova et al., 1996) concerning estimates of water erosion at basins, due the ...

10

SOIL COVER PLANTS ON WATER EROSION CONTROL IN THE SOUTH OF MINAS GERAIS

SOIL COVER PLANTS ON WATER EROSION CONTROL IN THE SOUTH OF MINAS GERAIS

... and water losses were higher in March, followed by December, January and February, except by the soil losses for pigeon bean and the jack bean under contour seeding (Table 4), and the water losses for jack ...

9

Losses of soil, water, organic carbon and nutrients caused by water erosion in different crops and natural savannah in the northern Amazon

Losses of soil, water, organic carbon and nutrients caused by water erosion in different crops and natural savannah in the northern Amazon

... of erosion is caused by the impact of raindrops on the soil surface, triggering the process of water erosion and causing serious damage to agricultural ...soil, water, organic carbon and ...

16

SPATIAL DISTRIBUTION OF WATER EROSION RISK IN A WATERSHED WITH EUCALYPTUS AND ATLANTIC FOREST

SPATIAL DISTRIBUTION OF WATER EROSION RISK IN A WATERSHED WITH EUCALYPTUS AND ATLANTIC FOREST

... soil erosion by means of an in-depth analysis since this process can account for spatial variability (PANDEY et ...Soil erosion estimates using GIS techniques enable planners to identify sites which are ...

8

Water Erosion in Different Slope Lengths on Bare Soil

Water Erosion in Different Slope Lengths on Bare Soil

... this erosion model was developed in temperate environments, to which its parameters were fitted, conditions quite different from the climate and soil conditions found in subtropical and tropical ...more ...

15

Comparação de taxas de erosão em estradas florestais estimadas pelo modelo WEPP (Water Erosion Prediction Project) modificado em relção a medições experimentais.

Comparação de taxas de erosão em estradas florestais estimadas pelo modelo WEPP (Water Erosion Prediction Project) modificado em relção a medições experimentais.

... (Water Erosion Prediction Project), através de comparações entre volume de enxurrada e perda de solo observados experimentalmente, provenientes dos segmentos de estradas florestais submetidas à chuva ...

6

WATER EROSION IN NO-TILLAGE MONOCULTURE AND INTERCROPPED SYSTEMS ALONG CONTOUR LINES

WATER EROSION IN NO-TILLAGE MONOCULTURE AND INTERCROPPED SYSTEMS ALONG CONTOUR LINES

... The root and leaf type, leaf insertion angle on the stem, quantity and thickness of the stems and the plant growth habit affect water erosion by intercepting the falling raindrops. The effect of ...

8

SOIL WATER EROSION UNDER DIFFERENT CULTIVATION SYSTEMS AND DIFFERENT FERTILIZATION RATES AND FORMS OVER 10 YEARS

SOIL WATER EROSION UNDER DIFFERENT CULTIVATION SYSTEMS AND DIFFERENT FERTILIZATION RATES AND FORMS OVER 10 YEARS

... of water erosion, and further influences are the soil type, terrain, soil cover, soil management, and conservation ...Soil water erosion is low in the no-tillage management system, being ...

11

SOIL LOSS BY WATER EROSION IN AREAS UNDER MAIZE AND JACK BEANS INTERCROPPED AND MONOCULTURES

SOIL LOSS BY WATER EROSION IN AREAS UNDER MAIZE AND JACK BEANS INTERCROPPED AND MONOCULTURES

... reduce erosion and water runoff, consequently increase water soil ...to water erosion, estimate C factor of Universal Soil Losses Equation (USLE) and how it can be affected by soil ...

11

WATER EROSION RISK PREDICTION IN EUCALYPTUS PLANTATIONS

WATER EROSION RISK PREDICTION IN EUCALYPTUS PLANTATIONS

... each erosion risk class for current land use and the proposed scenarios is shown in figure 6a, ...the erosion potential scenario with planted pasture scenario had greater coverage of its area classified as ...

13

WATER EROSION IN SOILS UNDER EUCALYPTUS FOREST AS AFFECTED BY DEVELOPMENT STAGES AND MANAGEMENT SYSTEMS

WATER EROSION IN SOILS UNDER EUCALYPTUS FOREST AS AFFECTED BY DEVELOPMENT STAGES AND MANAGEMENT SYSTEMS

... on water erosion under these forests is very ...by water erosion in eucalyptus plantations at different development stage, soils and management systems, as compared to native forest (NF) and ...

11

Modeling postfire water erosion mitigation strategies

Modeling postfire water erosion mitigation strategies

... The 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 ...

40

Losses and costs associated with water erosion according to soil cover rate

Losses and costs associated with water erosion according to soil cover rate

... soil erosion considering the loss of nutrients (which is a small portion of the total cost), it can be said that although it is an underestimation of the real cost of erosion, the results generated are ...

10

Water erosion and soil water infiltration in different stages of corn development and tillage systems Daniel F. de Carvalho

Water erosion and soil water infiltration in different stages of corn development and tillage systems Daniel F. de Carvalho

... of water and soil. Another factor that minimizes soil and water losses is the root system of corn, because plants of the Poaceae family have roots well adapted for the control of erosion, due to ...

7

Uso do modelo WEPP (Water Erosion Prediction Project) modificado para estimar taxas de erosão em estradas florestais

Uso do modelo WEPP (Water Erosion Prediction Project) modificado para estimar taxas de erosão em estradas florestais

... pertencente à Fazenda Monte Alegre, em Agudos – São Paulo. O universo abrangido pela pesquisa foi constituído de 16 segmentos de estrada. De cada tratamento foram feitas quatro repeti[r] ...

108

Soil roughness indexes and their relationship with water erosion

Soil roughness indexes and their relationship with water erosion

... The obtained results were subjected to the descriptive statistical analysis. Pearson’s product-moment correlation coefficient was also used to evaluate the existence of linear relationships between the different ...

9

MODELO WEPP PARA ESTIMATIVA DA PRODUÇÃO DE SEDIMENTOS EM UMA PEQUENA HIDROGRÁFICA DA AMAZÔNIA

MODELO WEPP PARA ESTIMATIVA DA PRODUÇÃO DE SEDIMENTOS EM UMA PEQUENA HIDROGRÁFICA DA AMAZÔNIA

... (Water Erosion Prediction Project) model to simulate the sediment yield in an Amazon small catchment, igarapé da Prata catchment, located in the Municipality of Capitão ...(Si), erosion by runoff ...

87

NitrogeN Loss by erosioN from mechaNicaLLy tiLLed aNd UNtiLLed soiL UNder sUccessive simULated raiNfaLLs

NitrogeN Loss by erosioN from mechaNicaLLy tiLLed aNd UNtiLLed soiL UNder sUccessive simULated raiNfaLLs

... soil erosion causes loss of nutrients such as N, causing negative effects on surface and ground water quality, aside from losses in agricultural productivity by soil ...soil erosion rates and the ...

8

PERDAS DE NUTRIENTES NA ÁGUA DA EROSÃO HÍDRICA

PERDAS DE NUTRIENTES NA ÁGUA DA EROSÃO HÍDRICA

... CT water erosion (Table 2), with respect to the mean of the applied rainfall tests, because K is a relatively mobile el- ement in the soil and when incorporated, as it is the case in CT, it behaves in a ...

6

EROSÃO HÍDRICA SOB CHUVA SIMULADA EM DIFERENTES SISTEMAS DE MANEJO DO SOLO DURANTE O CRESCIMENTO DA SOJA

EROSÃO HÍDRICA SOB CHUVA SIMULADA EM DIFERENTES SISTEMAS DE MANEJO DO SOLO DURANTE O CRESCIMENTO DA SOJA

... water erosion. The objective of this research was to quantify water and soil losses by water erosion under different soil tillage systems applied on a typical aluminic Hapludox soil, in ...

7

Show all 6793 documents...

temas relacionados