Index Catalog // ScholarsArchive@OSU

A Methodology to directly input data from an uncontrolled aerial photograph into a vector based geographic information system

Creator:: Sneed, Jacquelin M.
Abstract:: Historically the U.S. Forest Service has used uncorrected aerial photographs to delineate proposed and past management activities on the land base it manages. Transferring a boundary from an image not planimetrically correct to a planimetrically corrected image introduces errors. Positional accuracy of boundaries affects the number of acres the Forest...
Resource Type:: Masters Thesis

A site suitability model for Acacia koa reforestation on Mauna Kea, Hawai'i, utilizing a GIS

Creator:: Splean, Scott L.
Abstract:: A site suitability analysis for reforestation of the endemic Hawaiian forest tree koa (Acacia koa var. hawaiiensis) was performed. The study will assist the Hawai'i Resource Conservation and Development's (RCD) Forestry Committee in their effort to develop a master land use plan for koa regeneration on the Island of Hawai'i....
Resource Type:: Capstone Project

A TM-based hardwood-conifer mixture index for closed canopy forests in the Oregon Coast Range

Creator:: Maiersperger, Thomas K.
Abstract:: The purpose of this study was to develop, implement, and test methods for quantifying the relative proportion of hardwood and conifer cover from Thematic Mapper (TM) imagery. The research was focused on closed canopy forests in the Oregon Coast Range, where hardwood, conifer, and mixed stand conditions are prevalent. Based...
Resource Type:: Capstone Project

A translator program converting a digitized map into the format of the American proposed standard for digital cartographic data

Creator:: Langen, Gido
Abstract:: The American Proposed Standard for Digital Cartographic Data presents the new national exchange format which allows the transfer of spatial data among parties that may use different computer hardware and different operating system software. A translator program for the conversion of the AutoCAD DXf data structure to the Standard's output...
Resource Type:: Masters Thesis

Accuracy of community-based spatial data collection in a GIS

Creator:: Wood, Matthew N.
Abstract:: Training high school students to conduct field mapping and data collection of wildlife habitat on public lands produces important data for local government geographic information systems and introduces students to the field of geography. However, the positional accuracy of the spatial data is important for use in a GIS, as...
Resource Type:: Capstone Project

Airborne videography as a classification and validation technique for Landsat TM-based vegetation mapping

Creator:: Barrett, Charley, 1965-
Abstract:: The Oregon Department of Fish and Wildlife's (ODFW) Ecological Analysis Center (EAC) is in the process of creating, from Landsat Thematic Mapper (TM) imagery, a vegetation map of Oregon that will meet the latest standards set by the National Gap Analysis Program. Since field verification is often expensive and by...
Resource Type:: Masters Thesis

Analysis of riparian vegetation age structure and forest land ownership in the Central Oregon Cascades

Creator:: Purnell, Christopher S.
Abstract:: Vegetation along the banks of mountain streams in the western Oregon Cascades comprises an integral part of the transition zone between land and water based ecosystems, and as such, is a vitally important and unique natural resource. Forestry is a major land use in this region, and harvesting riparian vegetation...
Resource Type:: Capstone Project

Biophysical spectral regionalization of the Pacific Northwest using Advanced Very High Resolution Radiometer Imagery

Creator:: Greninger, Jon F.
Abstract:: Satellite imagery has become an efficient and time effective tool that may aid in the development of regional terrestrial and aquatic resource management schemes. A methodology utilizing National Oceanic and Atmospheric Administration (NOAA) Advanced Very High Resolution Radiometer (AVHRR) imagery, 1.1 kilometer spatial resolution at nadir, was developed for delineating...
Resource Type:: Capstone Project

Comparing intercell distance and cell wall midpoint criteria for discrete global grid systems

Creator:: Gregory, Matthew Jay
Abstract:: Many diverse applications have begun to study processes and patterns at a global scale. To aid in this research, discrete global grid systems (DGGSs) are data models which enable environmental modeling, monitoring and sampling across the earth at a variety of spatial scales. A DGGS can be evaluated on a...
Resource Type:: Masters Thesis

Development of a GIS for the Marys River Watershed for fish and wildlife analysis

Creator:: Callahan, Brady
Abstract:: GIS technology has reached a point where it can be utilized by nonprofessionals in a desktop environment. This paper reviews the implementation of a pilot project for developing a localized-natural resource GIS. The resulting GIS was custom designed to answer questions posed by fish and wildlife biologists who need to...
Resource Type:: Capstone Project

Digital slope-aspect display using nearly continuous hue classes

Creator:: Weston, Frederick N.
Abstract:: Slope-aspect is the compass direction of a slope at a particular location on a given surface, and can provide a graphic tool for people who require an understanding of the pattern of slope-aspect variation across a landscape. Slope-aspect maps can be helpful for terrain analysis, watershed management, building site analysis,...
Resource Type:: Capstone Project

Effects of scale properties on biodiversity mapping in Oregon

Creator:: Kennelly, Patrick J., (Patrick Joseph)
Abstract:: The effect of scale is an important concern in mapping of biodiversity. Scale issues include the grid cell size used for analysis and the effect of the extent and internal boundaries. Because biodiversity analysis involves combinatorial processes, determining the proper scale is data dependent and cannot be predicted from the...
Resource Type:: Dissertation

Gender differences in learning physical science concepts : does computer animation help equalize them?

Creator:: Jacek, Laura Lee
Abstract:: This dissertation details an experiment designed to identify gender differences in learning using three experimental treatments: animation, static graphics, and verbal instruction alone. Three learning presentations were used in testing of 332 university students. Statistical analysis was performed using ANOVA, binomial tests for differences of proportion, and descriptive statistics. Results...
Resource Type:: Dissertation

Geographic Information System model rating old-growth stand significance on the Olympic National Forest

Creator:: Wettengel, William M.
Abstract:: With increased attention being focused on the remaining old-growth forest resource in the Pacific Northwest a way to ecologically rate forest stands is needed to assist the U.S. Forest Service in its management decisions. A Geographic Information System (GIS) model was developed to rate old-growth stands in a 49,500 acre...
Resource Type:: Capstone Project

Geographic information systems : suitability to a land use planning problem

Creator:: Harmon, Robert C.
Abstract:: Geographic Information Systems (GIS) is a burgeoning field with its roots in geography. It is increasingly being used by a large variety of disciplines, including land use planning, as a decision support tool to help solve complex spatial problems. At Oregon State University, researchers have developed an analog model which...
Resource Type:: Masters Thesis

Habitat quality and assessing risks to avian biodiversity

Creator:: Barczak, Mary J.
Abstract:: Models that assess the risk to biodiversity from landscape change can help communities prioritize planning decisions. Accurate representation of the ecology and life history traits of species is necessary. This study introduces the use of habitat quality in a biodiversity risk model to determine the significance of habitat quality when...
Resource Type:: Masters Thesis

Hypermedia: potential for storing, managing and communicating natural resource information

Creator:: Barrington, Mack R.
Abstract:: Efficient management of natural resources requires the ability to utilize and integrate information. The challenge is to fully utilize this information base with its various degrees of accessibility, ever increasing volume and dispersed nature. The manager must be familiar with media types used to store, manage and communicate this information....
Resource Type:: Capstone Project

Interactive mapping on the World Wide Web

Creator:: Musser, Karl
Abstract:: The World Wide Web is a promising new media for cartography. It allows the creation of interactive maps that can be accessed by the general public. There is a wide variety both in methods used and in the overall quality of current Web sites. This report reviews the state of...
Resource Type:: Capstone Project

Issues in the design of GIS databases for biodiversity assessments

Creator:: Minotti, Priscilla Gail
Abstract:: National and international organizations are developing spatial databases to assess the distribution of Biodiversity using geographic information systems (GIS). Currently, there are no guidelines or standards for building GIS databases for biodiversity assessment because database design is discipline-dependent and most biodiversity disciplines lack spatial traditions. The present research analyzes the...
Resource Type:: Capstone Project

Mapping from airphotos to determine disturbance in streamside land use

Creator:: Ely, Jane F.
Abstract:: High resolution land use/land cover information from stream riparian areas is useful in understanding instream biotic assemblages, and is often not available for geographical research. A classification system was developed which provides the types of information about the riparian buffer thought to be important in providing good habitat for, or...
Resource Type:: Capstone Project

Production of an animated cartography sample for teaching and instruction, with musings on the nature and usefulness of animated maps

Creator:: Whaley, Kristine A.
Abstract:: Animated cartography is still a new field. It has been experimented with for years, but it has not gained general usage except partially in use by the news media. Nevertheless, certain subjects cry out for displaying the patterns of movement over time, such as historical patterns of migration and settlement,...
Resource Type:: Capstone Project

Small circle subdivision method for development of global sampling grid

Creator:: Song, Lian
Abstract:: Modern environmental monitoring and modeling requires a good global grid system for survey sampling and accurate, spatially complete data collection of relevant environmental phenomena. A prime requirement for the global grid system is that the global sampling grids be regular and equal in area and have minimal shape distortion. None...
Resource Type:: Masters Thesis

Sound in hypermedia for geographical and environmental interpretation and analysis

Creator:: Elle, R. Ingvar
Abstract:: This paper explores the use of hypermedia m geographical and environmental analysis, focusing on the use of sound. After providing essential definitions the paper presents a brief history of multimedia and hypertext (the combination of which lead to the term hypermedia) and object oriented programming. The concept of the hypermap...
Resource Type:: Capstone Project

Specification of cartographic layer tinting schemes for color graphic monitors

Creator:: Bradbury, Jaimie L.
Abstract:: This study provides some guidelines using and comparing the RGB (red, green, blue), HSV (hue, saturation, value), and HLS (hue, lightness, saturation) color specification systems to help designers of computer produced layer tinted maps to select appropriate and effective colors from the immense palette provided by modern color monitors. Map...
Resource Type:: Capstone Project

The affect of pattern on gray tone area symbols: a psychophysical experiment

Creator:: Selle, Anthony R.
Abstract:: Equal value gray scales are frequently employed by cartographers to choose gray tone area symbols. Several researchers have tried to quantify perceived gray tone as a function of percent area inked or reflectance but results have varied. The influence of pattern and texture on gray tone perception is considered a...
Resource Type:: Capstone Project

The application of spatial data analysis and visualization in the development of landscape indicators to assess stream conditions

Creator:: Buckley, Aileen R.
Abstract:: The main theme of this research is the application of geographic techniques in a study involving environmental monitoring and analysis of the associations between landscape and in-stream characteristics in the Pacific Northwest. The geographic techniques used in this study include (1) geographic information systems (GIS) coupled with statistical analysis and...
Resource Type:: Dissertation

The development of a Geographic Information System (GIS) for the Greenbelt Land Trust of Corvallis, Oregon

Creator:: Scarlett, Desiree
Abstract:: The purpose of this project, therefore, is to develop a GIS for a small geographical area that is currently of high priority to the GLT. The development of this GIS will be documented in a sequential fashion, so that it may serve as a framework for future endeavors. This paper...
Resource Type:: Capstone Project

The effects of lineage on spatial data quality

Creator:: Blair, Brent R.
Abstract:: When the Spatial Data Transfer Standard is adopted as a Federal Information Processing Standard, a Quality Report containing sections on lineage, accuracy, logical consistency, and completeness will be required of agencies producing digital cartographic data. This Quality Report diverges significantly from the "U.S. National Map Accuracy Standards", in place for...
Resource Type:: Capstone Project

The use of GIS in the analysis and prediction of available salmon habitat in an Oregon coastal stream

Creator:: Newton, Ann M.
Abstract:: Because of declines in salmon populations in recent years, the health of salmon habitat, in particular, is the focus of many resource agencies. The objective of this study is to use GIS to predict the location of suitable habitat. With data from an extensive set of stream surveys, GIS was...
Resource Type:: Capstone Project

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