نتایج جستجو برای: internal erosion

تعداد نتایج: 262054  

2002
He Binghui

The Three Gorges Reservoir Area is one of the most severe soil erosion in China. Serious erosion has degraded the soil productivity, deteriorated the ecological environment, and influenced the service life of Three Gorges Reservoir. The natural and social-economic factors which influence the soil erosion in Three Gorges Reservoir Area include topography, geological situation, vegetation, rainfa...

1998
K. N. Potter J. R. Williams F. J. Larney M. S. Bullock

Potter, K. N., Williams, J. R., Larney, F. J. and Bullock, M. S. 1998. Evaluation of EPIC’s wind erosion submodel using data from southern Alberta. Can. J. Soil Sci. 78: 485–492. Wind erosion models have been used to assess policy impacts on soil erosion, but validation of models has been difficult until recently. We evaluated the Environmental Policy Integrated Climate (EPIC) wind erosion subm...

Journal: :Water 2021

Internal erosion can trigger severe engineering disasters, such as the failure of embankment dams and uneven settlement buildings sinkholes. This paper comprehensively reviewed mechanisms soil internal studied by numerical simulation, which facilitate uncovering mechanism tracing movement particles. The initiation development are jointly influenced geometric, mechanical, hydraulic conditions, d...

Journal: :Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering) 2017

2010
Paul L. Heller Margaret E. McMillan Neil Humphrey

Large closed basins are often associated with regions of active tectonics. In contrast, we provide the example of the Great Divide Basin, in southern Wyoming, where climate change, through its impact on erosion and fl exure, provides the primary mechanism of basin closure. Twoand three-dimensional fl exural models that incorporate the effects of local basin abandonment due to aridity as well as...

2006
A. L. Slagle T. Kenna

High-resolution seismic data and sediment cores reveal the late Holocene subsurface stratigraphy of the broad Tappan Zee– Piermont region of the Hudson River Estuary. We identify a series of distinct, extensive horizons beneath the marginal flats, channel banks, and main channel in this area. Physical properties and lithology from sediment cores suggest that these horizons are surfaces of erosi...

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