Index Catalog // ScholarsArchive@OSU

Development of a cable logging system analysis package for micro-computers

Creator:: Chung, Joosang
Abstract:: A computer program package to estimate cable yarding payload capability was made. The package was intended to expand applicability of existing packages and to be user friendly. It has six system options: live skyline, standing skyline, running skyline, slackline, multispan and highlead. In the standing skyline and multispan analyses, load...
Resource Type:: Capstone Project

A coupled hydrologic-geomorphic model for evaluating effects of vegetation change on watersheds

Creator:: Duan, Jinfan
Abstract:: This work describes the modeling framework and initial results for CLAWS (Coupled Landscape And Water System), a physically-based, spatially-distributed hydrologicgeomorphic model that has been coupled with a vegetation dynamics simulation. Spatial variability of topography, soil, vegetation, and climate drive a hydrology module that calculates the water budget at given time...
Resource Type:: Dissertation

Integrating learning from examples into the search for diagnostic policies

Creator:: Oregon State University. Dept. of Computer Science, Bayer-Zubek, Valentina, and Dietterich, Thomas Glen
Abstract:: This paper studies the problem of learning diagnostic policies from training examples. A diagnostic policy is a complete description of the decision-making actions of a diagnostician (i.e., tests followed by a diagnostic decision) for all possible combinations of test results. An optimal diagnostic policy is one that minimizes the expected...
Resource Type:: Research Paper
Full Text:: modeled as a Markov Decision Problem (MDP). An MDP is a mathematical model for describing the interaction

Engineering analysis of forces created in two tree intermediate supports during multi-span logging

Creator:: Fodge, Francis W.
Abstract:: An analysis of forces on two tree intermediate supports is presented. The analysis is in two parts: The maximum force that the support jack will experience. The movement and forces created in the two tree support by the skyline and carriage. The maximum force on the support jack occurs when...
Resource Type:: Capstone Project

A multivariate control solution to the mixed species/diameter class thinning and final rotation problem

Creator:: Cousar, Paul K.
Abstract:: The algorithm RLS-PLUS was developed to yield solutions to the multivariate control problem of diameter and species optimization for mixed conifer and hardwood stands. The problem is specified with twenty-five state variables consisting of five species groups with four merchantable diameter classes and one unmerchantable class. This gives twenty diameter...
Resource Type:: Masters Thesis

Trees : timber resource economic estimation system

Creator:: Tedder, Philip L., Schmidt, James S., Gourley, Jonna, and Oregon State University. Forest Research Laboratory
Abstract:: Volume I: TREES (Timber Resource Economic Estimation System), a forest management and harvest scheduling model, is comprehensively described in the first of a four-volume series. Even- or uneven-aged forest inventories form basic resource units (BRUs), entered by age class or size and diameter classes; stocking level; and management intensity. Management...
Resource Type:: Technical Report

Monte Carlo study of several methods for estimating linear demand for outdoor recreation from censored and truncated data

Creator:: Riyadi, Dedi M. M. (Dedi M. Masykur)
Abstract:: Objective of this study was to compare accuracy of several travel cost methods, by employing Monte Carlo simulations in the single site framework. Estimates from five methods were compared to the "true" travel cost coefficient and "true" consumer surplus. Each method was ranked, using the root mean squared error (RMSE)...
Resource Type:: Dissertation
Full Text:: ITS USE IN THE TRAVEL COST MODEL STUDIES 48 The Monte Carlo Experiment 48 Previous Monte Carlo

Using a heuristic programming method for incorporating wildlife habitat constraints into spatial harvest scheduling on the Elliott State Forest

Creator:: Lennette, Marie
Abstract:: The Elliott State Forest, located in the Coast Range of Oregon, is currently revising their Habitat Conservation Plan (HCP). Many of the constraints in the HCP are spatial, requiring identification of specific parcels in order to limit activity along habitat reserves, limit harvest opening size, and to coordinate activities within...
Resource Type:: Masters Thesis
Full Text:: harvest units. To model the Elliott, the state forest planning team divided the 93,000 acres into 17

Local and downstream effects of contemporary forest harvesting on streamflow and sediment yield

Creator:: Zégre, Nicolas P.
Abstract:: This dissertation is a collection of three manuscripts that serve to fill the knowledge gaps and advance methods of detecting the effects of contemporary forest harvesting in experimental catchment studies. While there is a preponderance of studies evaluating the environmental effects of forest harvesting in the western United States, few...
Resource Type:: Dissertation
Full Text:: streamflow that resulted in reduced variance was hydrologic model simulations. c©Copyright by Nicolas P

ScholarsArchive@OSU

Development of a cable logging system analysis package for micro-computers

A coupled hydrologic-geomorphic model for evaluating effects of vegetation change on watersheds

Integrating learning from examples into the search for diagnostic policies

Engineering analysis of forces created in two tree intermediate supports during multi-span logging

A multivariate control solution to the mixed species/diameter class thinning and final rotation problem

Trees : timber resource economic estimation system

Monte Carlo study of several methods for estimating linear demand for outdoor recreation from censored and truncated data

Using a heuristic programming method for incorporating wildlife habitat constraints into spatial harvest scheduling on the Elliott State Forest

Local and downstream effects of contemporary forest harvesting on streamflow and sediment yield

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