Index Catalog // ScholarsArchive@OSU

Infiltration of water and its effects on soil erosion : a computational analysis pertaining to central Tunisia

Creator:: Tobbi, Belgacem
Abstract:: The purpose of this study was to use computer analysis of soil and rainfall data to predict the possible occurrence of soil erosion in Central Tunisia. Analysis was done with the program OR-NATURE (M.Ungs et al, 1985) . Central Tunisia was subdivided into northern, central, and southern subzones. Data about...
Resource Type:: Masters Thesis
Full Text:: Infiltration of water and its effects on soil erosion

A conceptual model of soil mass movement, surface soil erosion, and stream channel erosion processes

Creator:: Swanson, Frederick J. (Frederick John), 1943-, Swanston, Douglas N., Dyrness, C. T., Cromack, Kermit, Fredriksen, R. L., Moore, Duane G., Glenn, Leslie Fred, 1944-, U.S. International Biological Program. Coniferous Forest Biome, and University of Washington
Abstract:: The conceptual framework of an erosion model has been designed to link processes of mass wasting, surface erosion, and channel storage and transport. A program to stimulate mass wasting will be based on a variation of the factor of safety approach which balances forces tending to drive mass movement against...
Resource Type:: Technical Report
Full Text:: Coast Range), Cedar River (Washington, Cascades). -2- GENERAL EROSION AND SOIL MASS MOVEMENT MODEL

A free boundary value problem modeling streambed erosion

Creator:: Helfenstein, Franz Hugo
Abstract:: Our purpose is twofold, to derive a 2-dimensional model of streambed erosion and to develop a solution procedure to solve the equations of our model. The flow domain, which varies in time, is bounded above by a free surface and is bounded below by an erodable streambed. An initial flow...
Resource Type:: Dissertation
Full Text:: derive a 2dimensional model of streambed erosion and to develop a solution procedure to solve the

Tsunami-induced Soil Instability

Creator:: Fischer, Rachael Marie
Abstract:: Recent tsunami field surveys from the 2011 Great East Japan Earthquake and Tsunami have recorded numerous examples of tsunami-induced soil instability: significant scour around foundations, foundation failure of piles, and other damage caused by liquefaction. From the observations of soil instability leading to the failure of critical coastal structures, it...
Resource Type:: Masters Thesis
Full Text:: interest were selected from the model for evaluation of soil instability and sediment transport potential

Dune erosion models and swash zone kinematics from remote video observations

Creator:: Palmsten, Margaret L.
Abstract:: The subaerial beach, composed of sand dunes and the foreshore, provides a natural buffer zone between vulnerable land and the dissipation of storm wave energy due to wave breaking. The natural beauty of this region is attractive to people, and as a result, significant investment has been placed in this...
Resource Type:: Dissertation
Full Text:: an existing dune erosion model, accounting for the interaction between fluid and sediment by

A mathematical model simulating mass transport of chemicals in saturated porous media

Creator:: Lindstrom, Fredrick Thomas
Abstract:: A mathematical model simulating mass transport of chemicals in saturated porous medium is given in four parts. Included in the development is the physical phenomenon of adsorption of molecules of chemicals on the surrounding walls of the porous medium. The four main areas of study are: (1) Simple one dimensional...
Resource Type:: Dissertation

A nonlinear numerical model of the Lake Michigan Lobe, Laurentide Ice Sheet

Creator:: Jenson, John W.
Resource Type:: Dissertation
Full Text:: A nonlinear numerical model of the Lake Michigan Lobe

An economic model of soil compaction in forestry

Creator:: Stewart, Rodney Aloysius
Abstract:: A model is presented which predicts the net present value of a stand level multi-entry harvest plan. The model accounts for potential volume losses due to harvest-related soil compaction. The goal of this project was to answer five economic questions about the issue of soil compaction in forestry. The five...
Resource Type:: Capstone Project

Analysis of rip current embayments on the Oregon coast

Creator:: Dalon, Matthew M.
Abstract:: Understanding the past, present, and future behavior of our nation's shorelines is vital for sensible coastal management. Localized areas of erosion, termed "erosional hot spots", can shift the shoreline landward threatening coastal infrastructure (Kraus and Galgano, 2001; Stauble and Gravens, 2004; McNinch, 2004). One specific type of erosional hot spot...
Resource Type:: Masters Thesis
Full Text:: nation’s shorelines is vital for sensible coastal management. Localized areas of erosion, termed

Dynamic mathematical model of oxygen and carbon dioxide exchange between soil and atmosphere

Creator:: Ou-yang, Ying
Abstract:: Gaseous transport through soil in the presence of soil microorganisms has been investigated. More recently, modeling of gaseous transport in the unsaturated zone has been investigated. However, the problem of mathematical model of oxygen and carbon dioxide transport through soil, as affected by the climatic conditions, the transport of soil...
Resource Type:: Dissertation
Full Text:: of Philosophy in Soil Science presented on September 27, 1990 Title: Dynamic Mathematical Model of

ScholarsArchive@OSU

Infiltration of water and its effects on soil erosion : a computational analysis pertaining to central Tunisia

A conceptual model of soil mass movement, surface soil erosion, and stream channel erosion processes

A free boundary value problem modeling streambed erosion

Tsunami-induced Soil Instability

Dune erosion models and swash zone kinematics from remote video observations

A mathematical model simulating mass transport of chemicals in saturated porous media

A nonlinear numerical model of the Lake Michigan Lobe, Laurentide Ice Sheet

An economic model of soil compaction in forestry

Analysis of rip current embayments on the Oregon coast

Dynamic mathematical model of oxygen and carbon dioxide exchange between soil and atmosphere

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