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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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2015/8/6
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 ...
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 ...
Assessing the sources of uncertainty associated with the calculation of rainfall kinetic energy and erosivity – application to the Upper Llobregat Basin, NE Spain
uncertainty associated calculation of rainfall erosivity – application
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2011/3/15
The diverse sources of uncertainty associated with the calculation of rainfall kinetic energy and rainfall erosivity, calculated from precipitation data, were investigated at a range of temporal and s...
Nested Threshold Autoregressive (NeTAR) Models for Studying Sources of Nonlinearity in Streamflows
Nested Threshold Autoregressive Models Sources of Nonlinearity Streamflows
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2009/10/23
Historical development of nonlinear stochastic modeling of streamflows is discussed.
Physical considerations and graphical investigations of daily streamflows
revealed that air temperature and state...
Sources of Major Chemical Constituents in Surface Water and Groundwater of Southern Sweden
Major Chemical Constituents Surface Water Groundwater of Southern Sweden
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2009/10/23
The chemistry of groundwater has been altered to a large degree through the influence of human activities. Addition of acids through precipitation and dry deposition, nitrogen from agriculture and sew...
A PRELIMINARY STUDY OF SOURCES OF ARSENIC CONTAMINATION IN SOUTHWEST CAMEROON
arsenic Ekondo Titi study area groundwater arsenic poisoning
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2009/10/12
An important objective of this study is to understand the geological, hydrogeological and geochemical factors that contribute to the mobilization of arsenic in groundwater in the Ekondo Titi study are...
Screening of sustainable groundwater sources for integration into a regional drought-prone water supply system
groundwater sources water supply system
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2009/7/22
This paper reports on the qualitative and quantitative screening of groundwater sources for integration into the public water supply system of the Algarve, Portugal. The results are employed in a dec...
Sources and controls of calcium and magnesium in storm runoff：the role of groundwater and ion exchange reactions along water flowpaths
calcium magnesium groundwater ion exchange reactions
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2009/6/8
A combined hydrological and chemical investigation was undertaken in a small moorland catchment at Plynlimon to determine the processes controlling storm runoff chemistry. Flow from natural soil pipe...
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...
Features and sources of organic components in surface sediments of Lake Nishi-inbanuma in Chiba Prefecture, Japan
eutrophic lake Lake Nishi-inbanuma organic constituents surface sediment
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2009/4/2
Lake Nishi-Inbanuma (area 680 ha, average depth 1.8 m) in northwest Chiba Prefecture, Japan, is known as a typical eutrophic lake. We studied organic components in the surface sediments (0-5 cm) of th...