نتایج جستجو برای: sediment flow

تعداد نتایج: 514708  

2006
Sandy Rutter

Compost Filter Socks, used in a variety of sediment control and storm water management applications, are being used primarily to filter sediment and other potential pollutants in storm water runoff. The objective of this study was to evaluate flow through rates and sediment and nutrient removal or loss capability of these newly developed sediment control devices. Five experimental treatments we...

2003
R. W. McDowell A. N. Sharpley G. Folmar

Phosphorus (P) export from agricultural catchments can accelerate freshwater eutrophication. Landscape-based remedial measures can reduce edge-of-field P losses. However, stream channel hydraulics and fluvial sediment properties can modify the forms and amounts of P exported by the time it reaches the catchment outlet. This study examines if land use, fluvial sediment properties, and storm flow...

2017
J. Hussein P. Truong H. Ghadiri C. Rose

Vetiver buffer strips are widely employed to reduce fluxes of eroding soil and associated nutrients and pollutants from catchments into waterways. The physical processes involved in sediment reduction by buffer strips have been examined in a number of studies and various models have been developed to describe some of these processes. However, the sedimentremoval efficiency is complex as it is t...

K. Hejazi M. Karimi M. Mojabi,

Sedimentation is one of the most important problems in harbors that results in considerable economic costs. Harbor planforms affects the flow pattern in the harbor basin and consequently, plays an important role in sediment transport and sedimentation. In the present study, a two dimensional depth-averaged hydrodynamic and sediment transport model has been developed to investigate the effect of...

2017
Michael P. Lamb Fanny Brun Brian M. Fuller

Implications for flow resistance and sediment transport Michael P. Lamb* , Fanny Brun and Brian M. Fuller Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA, 91125 *[email protected] Key Points: 1. Direct measurements of lift and drag forces were made on cobbles in steep flume experiments with shallow, rough flow over a planar bed 2. As flows shall...

Extended abstract 1- INTRODUCTION Landuse change due to human activities is one of the important issues in regional planning. Considering the advantages and capabilities of the distributed hydrological models, they are appropriate for the survey of landuse changes as well as their quantitative estimates. Land evaluation methods are used to determine the compatibility of the land according to ...

Journal: :Environment and Natural Resources Research 2014

Journal: :Coastal Engineering Proceedings 1982

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