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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

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:: W 1 1 1 1 1 I 1 1 1 Soil depth: z Figure 2: The infiltration moisture profile (drawn after

Creator:: Bauer, Steven Gerard
Abstract:: The onsite costs and benefits of conservation tillage in the Camas Prairie Region of Northern Idaho were estimated. The evaluation of these costs and benefits included a measurement of the long-term effects of soil erosion on cropland productivity. A model developed by Daniel Taylor (1982) was used as a base...
Resource Type:: Masters Thesis
Full Text:: is a mathematical simulation model. It describes the effects of erosion on soil productivity

Creator:: Pratt, Randy C.
Abstract:: Many miles of roads are built in the Pacific Northwest Forests to provide access for logging and fire protection. Logging roads often cross steep mountainous terrain. Logging roads and the associated cut and fill slopes represent a discontinuity in the natural stress state in the soil mantle. These conditions result...
Resource Type:: Masters Thesis
Full Text:: STABILITY 21 Introduction 21 Soil Strength 21 Slope Geometry 23 Ground Water 24 SLOPE STABILITY MODEL

Creator:: Mohamed, Fouad Abd El-Aal
Abstract:: Changes of density occur naturally in phase transition processes and introduce the bulk movement of material. It is customary in analyzing such problems to disregard this unpleasant complication and assume the densities to be equal. However, such changes are unavoidable and for one-dimensional problems the complexities introduced by this bulk...
Resource Type:: Dissertation
Full Text:: mathematical model, we have 2 been forced to take into account the thermal expansion of both the liquid

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