搜索结果: 1-10 共查到“水文地理学 Sediment”相关记录10条 . 查询时间(0.213 秒)
Assessment of Spatial Patterns of Sediment Transport and Delivery for Soil and Water Conservation Programs
off-site soil erosion soil erosion and deposition model sediment delivery Geographic Information System GIS
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2015/1/8
Soil erosion has tremendous impacts on most river systems throughout the United States. Such non-point pollution results from land-use and agricultural practices and leads to sedimentation downstream,...
Estimating Spatial Sediment Delivery Ratio on a Large Rural Catchment
soil erosion sediment yield sediment delivery ratio
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2015/1/6
Soil erosion and sediment yield from catchments are key limitations to achieving sustainable land use and maintaining water quality in streams, lakes and other water bodies. Controlling sediment loadi...
Watershed Physiography, Land Use, and Sediment Yield: A Case Study from Northwest Arkansas, USA
Sediment yield Land use Slope Arkansas
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2015/1/6
Precision echo sounder surveys of bathymetry and sediment thickness of Lee Creek Reservoir and Lake Shepherd Springs (northwest Arkansas) were combined with Geographic Information Systems (GIS) analys...
A Spatially Distributed Event-Based Model to Predict Sediment Yield
Runoff sediment yield Geographic Information System
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2015/1/5
A study has been conducted in three sub-watersheds to model the spatial distribution of runoff and sediment yield. The basic structure of the model includes generation of runoff using SCS curve number...
Estimating sediment yield using Agricultural Non-Point Sources (AGNPS) model: The effects of slope information from different GIS softwares
Geographical Information System GIS slope information Sediment yield AGNPS model tropical catchment
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2015/1/4
This study compares the effects of slope information derived from three GIS software on sediment yield as estimated using AGNPS model. The three GIS software are IDRISI for Windows, ERDAS Imagine and ...
Sediment management modelling in the Blue Nile Basin using SWAT model
Sediment management modelling Blue Nile Basin SWAT model
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2011/3/15
Soil erosion/sedimentation is an immense problem that has threatened water resources development in the Nile river basin, particularly in the Eastern Nile (Ethiopia, Sudan and Egypt). An insight into ...
ESTIMATING SEDIMENT YIELD OF A SMALL CATCHMENT IN A TROPICAL REGION USING THE AGNPS MODEL：THE WATERFALL RIVER CATCHMENT, PENANG, MALAYSIA
SEDIMENT YIELD Agricultural Non-Point Source SMALL CATCHMENT TROPICAL REGION
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2009/10/13
This paper presents the result of our research in testing the applicability and performance of the AGNPS (Agricultural Non-Point Source) model to estimate sediment yield of a small tropical catchment....
Sediment sources in the Upper Severn catchment：a fingerprinting approach
Sediment sources Upper Severn catchment fingerprinting approach
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2009/6/8
Suspended sediment sources in the Upper Severn catchment are quantified using a composite fingerprinting technique combining statistically-verified signatures with a multivariate mixing model. Composi...
Modelling the impact of forest loss on shallow landslide sediment yield, Ijuez river catchment, Spanish Pyrenees
sediment yield river catchment shallow landslides
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2009/5/6
The SHETRAN model for simulating the sediment yield arising from shallow landslides at the scale of a river catchment was applied to the 45-km2 Ijuez catchment in the central Spanish Pyrenees, to inve...
Transient catchment hydrology after wildfires in a Mediterranean basin: runoff, sediment and woody debris
Transient catchment hydrology Mediterranean basin woody debris
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2009/5/6
The transient effect of forest fires on runoff, erosion and yield of woody biomass has been investigated by combining the experimental approach with mathematical models of hydrological processes. The ...