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Full-Text Articles in Physical Sciences and Mathematics
The Effect Of Particle Size On Phosphate Adsorption By Fluvial Sediment, Michael F.A. Stone
The Effect Of Particle Size On Phosphate Adsorption By Fluvial Sediment, Michael F.A. Stone
Theses and Dissertations (Comprehensive)
The quantitative phosphate adsorption behaviour of ten grain size fractions of an experimental sediment (silica sand) and fluvial sediment from two Southwestern Ontario rivers, were evaluated and compared to determine the effect of particle size on phosphate absorption. In addition, the elemental composition of grain size fractions of fluvial sediment were determined by X-Ray fluorescence spectrometry to study the combined effect of particle size and sediment geochemical composition on phosphate adsorption. Results of the adsorption studies indicate that phosphate adsorption per unit mass increases in non-linear fashion with decreasing grain size. The capacity of grain size fractions of silica sand …
Irrigation Water Use In Southern Ontario, Kenneth Iain Macdonald
Irrigation Water Use In Southern Ontario, Kenneth Iain Macdonald
Theses and Dissertations (Comprehensive)
The appreciation of water as a finite resource has engendered a renewed research interest in producing effective water management policies and practices in order to reduce both current and potential demands on existing reserves. Unfortunately, such research, especially in the humid regions of North America, has concentrated on water use in urban areas and has neglected the use of water in irrigation agriculture; even though irrigation is a major consumptive use of water in many localized areas. In addition, research has been dominated by physical, technological and economic viewpoints at the expense of an understanding of the human element in …