In the era of #MeToo, we have learned more about the plight of women in Hollywood as they seek employment as actors. While the recent public conversation about gender and sexualization in Hollywood is robust, few peer-reviewed academic articles examine the actor’s personal experiences of gaining meaningful employment in television...
The phenomenon of phantom limb pain has been well documented for centuries, but little clinical work has been done to alleviate it. Physician and neuroscientist Vilayanur S. Ramachandran began researching this condition nearly two decades ago, and has discovered a promising alternative treatment: mirror-box therapy. This therapy is not yet...
Since their discovery in 1977, hydrothermal vent communities have offered scientists
a unique glimpse into a world that is supported primarily by chemically derived
energy rather than direct energy from the sun. Furthermore, studies of hydrothermal
vent ecosystems have introduced scientists to amazing animals that have successfully
adapted to living...
The development of new technologies in science is a balance between existence and use. There are three versions of this duality – something is built and users come, something is built and users don’t come, and, finally, potential users show up but the ballpark has not yet been built. In...
One of the most pressing concerns in the Geographic Information Science community is the distribution of spatial datasets over the Internet. Two projects of the Department of Geosciences at Oregon State University are in the process of distributing data. The Oregon Coast Geospatial Clearinghouse was implemented with the goal of...
Mixed linear models are a time honored method of analyzing correlated data. However, there is still no method of calculating exact confidence intervals or p-values for an arbitrary parameter in any mixed linear model. Instead, researchers must use either specialized approximate and exact tests that have been developed for particular...
Equine-facilitated mental health (EFMH) is a practice within equine-assisted therapy
(EAT) that has expanded greatly in the last 20 years, but scientific research is still
lacking. Thus far, no attempt has been made to characterize the horses and ponies
currently used in EFMH programs, or to define what characteristics EFMH...
The goal of this project was to determine whether an equine business in which the sole income is from the short term retraining and resale of horses could be successful. Horses would hypothetically be kept for not less than six months and not longer than one year, and priced from...
Changes in federal forest management, enactment of environmental policies, recessions and a shift to a global economy dramatically impacted counties between the 1980s and 1990s. In the 1990s, counties began experiencing a shift away from traditional natural resource extraction activities – amidst changing demographics resulting from rural restructuring taking place...
Species conservation depends on robust population assessment. Data on population abundance, distribution, and connectivity are critical for effective management, especially as baseline information for newly documented populations. I describe a pygmy blue whale (Balaenoptera musculus brevicauda) population in New Zealand waters with year-round presence that overlaps with industrial activities. This...
Most data are associated with a place, and many are also associated with a moment in time, a time interval, or another linked temporal component. Spatiotemporal data (i.e., data with elements of both space and time) can be used to assess movement or change over time in a particular location,...
Global recognition of the need for ecosystem restoration and revegetation following natural and anthropogenic disturbances has been growing in recent years. Successful programs often depend on the use of nursery-grown seedlings and appropriate mitigation of limiting factors on outplanting sites. Nursery production of high-quality native plants for restoration can be...
The distribution of mobile marine predators often reflects underlying dynamic ecological processes. The geographical focus of this PhD is the South Taranaki Bight (STB) of New Zealand, where wind-driven coastal upwelling generates productivity and prey to support a blue whale foraging ground. The STB is also New Zealand’s most industrial...
Streptococcus gordonii (S. gordonii) is being developed as a Gram-positive
expression vector for the expression of heterologous proteins. This bacterial
expression system takes advantage of the natural pathway of protein export and
anchoring on the surface of the bacterium. The expression of heterologous proteins
relies on the homologous recombination of...
Only when all aspects of the German film industry of
the 1920's have been fully analyzed and understood will
"Weimar film" be truly comprehensible. Once this has been
achieved the study of this phenomenon will fulfill its potential
and provide accurate insights into the Weimar era.
Ambitious psychoanalytic studies of...
During the transition to motherhood, postpartum women undergo immense changes in all areas of life. Of particular interest are the changes at the cognitive and emotional level with regards to one's physical self. After giving birth, postpartum women would benefit from a caring perspective in how they relate to their...
Comparative investigations based on volcanic morphology suffer from the lack of a large terrestrial baseline for comparison. To fill this gap, the Lava Flow Morphology Database (LAMDA) was proposed as a GIS based central clearinghouse for remote and field investigations of volcanic morphology. This study presents an analysis of LAMDA’S...
The Lamprey Eel Decline project conducted by the Confederated Tribes of Siletz Indians (CTSI) combined traditional ecological knowledge, scientific research and geographic information science. CTSI wanted to learn why the Pacific lamprey (Lampetra tridentata), a culturally and ecologically important species, was declining in the streams within their native land area....
This internship project (Dr. Dawn Wright—Department of Geoscience) was a synthesis of several aspects of the research process. The documentation of methods consisted of: primary data collection of soil samples, geographical coordinates, georeferencing, basemap creation, laboratory machine operation, laboratory methods, laboratory quality control planning, statistical analysis, and geo-statistical analysis using...
The Arc Marine data model is a generalized template to guide the implementation of geographic information systems (GIS) projects in the marine environment. Arc Marine developed out of a collaborative process involving research and industry shareholders in coastal and marine research. This template models and attempts to standardize common marine...
The field of geography has been transformed in recent years through the use of spatial tools such as geographic information systems (GIS) satellite and acoustic remote sensing, the global positioning system (GPS), Internet mapping and more. Studying geography and earth science in the digital age now requires a sophisticated and...
The geologic processes at work in American Samoa have long been a point of scientific debate. Of its numerous volcanic formations, few breach sea level, leaving an enormous proportion of their mass unavailable to traditional observation. This study aims to describe the deep sea geomorphology of American Samoa through compilation,...
:
_____________________________________________________________________
Dawn J. Wright
The geologic processes at work in American Samoa have long been a point of
Nonindigenous species are a major threat to the ecological integrity and biodiversity of marine and estuarine ecosystems. To become a successful invader, species must pass through four phases: (1) survive transport, (2) survive release, (3) establish a population, and (4) expand their range. To better understand these processes, an integrated...
Dramatic declines in several groundfish populations have occurred along
the U.S. West Coast during the last decade (PFMC 1999, Sampson 1997,
Ralston 1998, Bloeser 1999). One problem exacerbating these declines is
insufficient stock assessments, especially for species of west coast rockfish
(Family Scorpaenidae, Genus Sebastes) which comprise the core of...
The EPA’s Western Ecology Division (WED) had been accumulating geographic information system (GIS) data files for up to 20 years. There was no index or catalog for these files; locating data became more difficult over time. More that 4 Tb of data existed on numerous disk volumes in hundreds of...
Ecoregions are regions of relative homogeneity with respect to specific
ecosystem variables (Bailey 1976; Omernik 1995). There has been an increasing
awareness that effective management of environmental resources must be undertaken
with an ecosystem perspective (Omernik, 1995). Ecoregions serve as a spatial
framework for assessing, managing, and monitoring ecosystems that...
During the past two decades, interest has grown in the role and welfare implications of different head and neck positions (HNPs) in equine biomechanics as well as dressage training and competition. To evaluate the influence of HNP on stride length, 17 horses of varying breeds and dressage levels were studied...
The purpose of this work is to broaden the theoretical foundations of interpolation of spatial data, by showing how ideas and methods from information theory and signal processing are applicable to the the work of geographers. Attention is drawn to the distinction between what we study and how we represent...
Geographical data and information are virtually unlimited in their quantity and are oftentimes scattered throughout a multitude of locations and stored in various formats on a wide variety of platforms. The Oregon Coast Geospatial Clearinghouse (OCGC) is a web-based central repository for metadata (data about data) corresponding to collected data...
The analysis of material and energy exchange between the marine and terrestrial components of island ecosystems enables research into the impact of human population and land use on the health of coral reef habitat. Satellite and acoustic remote sensing technologies enable the collection of data to produce high resolution bathymetry...
The rapid decline of marine ecosystems worldwide and the failure of traditional single species management pushed for the development of ecosystem-based conservation measures such as marine protected areas (MPA) to slow the loss of marine biodiversity. One approach to MPA creation advocates targeting marine megafauna (e.g., marine mammals, seabirds, sharks,...
Geographical data and information are virtually unlimited in their
quantity and are oftentimes scattered throughout a multitude of locations and stored
in various formats on a wide variety of platforms. The Oregon Coast Geospatial
Clearinghouse (OCGC) is a web-based central repository for metadata (data about
data) corresponding to collected data...
Spatialization is an innovative way to expand searching capabilities for a
marine/coastal reference database by using a metaphorical map framework to establish
a sense of place for non-spatial information. Spatializing the Catalogue of Oregon
Marine and Coastal Information (COMC1), a coastal reference database, enables the
marine and coastal resource community...
Spatialization is an innovative way to expand searching capabilities for a
marine/coastal reference database by using a metaphorical map framework to establish
a sense of place for non-spatial information. Spatializing the Catalogue of Oregon
Marine and Coastal Information (COMCI), a coastal reference database, enables the
marine and coastal resource community...
Dramatic declines in many species of demersal fishes off the West Coast have resulted in the designation of nine commercially important species as being overfished. While the causes of those declines are not clearly understood, the fact remains that a paucity of life history and abundance data exists for many...
Geographic information systems (GISs) offer a useful tool for educators to teach students about local and global communities in various subjects. GISs are increasingly being used in K-12 education, but that growth is hindered due to many teachers’ limited access to time or resources necessary to adequately learn a GIS...
An Internet Map Server (IMS) web site was constructed with the goal of
helping middle- through high-school students learn about ocean processes. This IMS was
developed in conjunction with the activities of the Science & Math Investigative
Learning Experience (SMILE) program, and for eventual use with the Oregon Coastal
Atlas,...
Web geographic information systems (GISs) and the Internet are now providing the connectivity necessary to support large-scale data access by a wide variety of users, including not just scientific researchers, but also policy-makers and marine resource managers. However, connectivity alone cannot ensure that those who need natural resource information will...
An Internet Map Server (IMS) web site was constructed with the goal of
helping middle- through high-school students learn about ocean processes. This IMS was
developed in conjunction with the activities of the Science & Math Investigative
Learning Experience (SMILE) program, and for eventual use with the Oregon Coastal
Atlas,...
Geospatial technology is a rapidly growing and changing field. The term geospatial technology (GST) refers to geographical information systems (GIS), global positioning systems (GPS), and remote sensing (RS), all emerging technologies that assist the user in the collection, analysis, and interpretation of spatial data. The speed at which new fields...
What affects the oceans affects terra firma. Ocean Solutions, Earth Solutions gathers the insights of more than 50 ocean and coastal science researchers exploring ocean components and their relationships, patterns, and trends over time and space. The book's 16 chapters feature geographic information system (GIS) best practices and include additional...
The Roger Revelle Commemorative Lecture Series was created by the Ocean Studies Board of the National Academies in honor of Roger Revelle to highlight the important links between ocean sciences and public policy. Dawn J. Wright, the eighteenth annual lecturer, spoke on April 28, 2017, at the Smithsonian National Museum...
Interactions and feedbacks among climate change effects and continued human impacts will exacerbate impacts to water resources in complex ways. An urgent imperative of the hydrologic community is to understand the response of hydrologic systems to these perturbations, thus contributing to long-term sustainability of water resources in an uncertain future....
This perspectives paper uses the seminal Goodchild (1992) article as a lens through which to review and reflect upon several longstanding issues that have influenced the field of geographic information science in the past and will continue to be important at least into the next decade. Under the category of...
Sweet onions are valued for their unique flavor and praised for their health and dietary character. Onion sweetness is perceived as the degree of pungency decreases. Pungency can be quantitatively determined in onions by measuring enzymatically produced pyruvic acid. The onion industry quantifies a sweet onion as one having a...
Full Text:
of pyruvic acid as an indicator of pungency in onions
Presented by:
Dawn C. Merrill
December 9
Cruise KOK0510 consisted of three Pisces V dives to the submerged flanks of Tutuila,
American Samoa, specifically the coral reef platform of Taema Bank, and the submerged
caldera forming Fagatele Bay and Canyon. In addition, a night-time program of Sea
Beam 210 bathymetric mapping was conducted along the north side...
As we contend with human impacts on the biosphere, there is rightfully a great emphasis now on community adaptation and resilience to climate change. Recent innovations in information technologies and analyses are helping communities to become more resilient. However, not often discussed in this vein is a path toward digital...
Sweet onions are valued for their unique flavor and praised for their health and dietary character. Onion sweetness is perceived as the degree of pungency decreases. Pungency can be quantitatively determined in onions by measuring enzymatically produced pyruvic acid. The onion industry quantifies a sweet onion as one having a...
Full Text:
Enzymatically
Produced Pyruvic Acid in Sweet Onions
By
Dawn C. Merrill
A thesis submitted to
Two experiments were conducted to examine the effects of passive
immunization of pregnant mares with a monoclonal antibody [MAb, 518B7,
antibovine βLH which crossreacts with equine chorionic gonadotropin
(eCG)] on subsequent reproductive characteristics and changes in plasma
concentrations of hormones. In Exp.1 control mares (C, n=3) were not
treated. Another...
Feral goat (Capra hircus) populations adversely impact native insular biota and physical habitats worldwide. The effectiveness of the Judas goat technique for eradicating remnant feral goats was studied on San Clemente Island (SCI), California from June 1989 through April 1991. By April 1991, 263 feral goats were killed on SCI;...
This thesis outlines dominant ideologies and practices that affect women's authority in the urban social milieu of north India. Theories that consider the causes of social stratification by gender as well as social movement patterns are useful for understanding the durability of gender roles. The utility of these theories for...
The existence, sources, distribution, circulation, and physicochemical nature of macroscale oceanic water bodies have long been a focus of oceanographic inquiry. Building on that work, this paper describes an objectively derived and globally comprehensive set of 37 distinct volumetric region units, called ecological marine units (EMUs). They are constructed on...
I conducted acoustic lure surveys of northern pygmy-owls (Glaucidium gnoma) on transects that were systematically placed in forested areas throughout the state of Oregon. My objectives were to determine if pygmy-owls were associated with particular forest types, ecoregions, or with large-diameter dominant overstory trees. I also examined temporal variation in...
In August of 2011, Jenny Minten came across an old coffin, complete with a skeleton, in the Independent Order of Odd Fellows (IOOF) Scio lodge. After it was determined that the skeleton did not represent a modern forensic case, the remains were donated to the Oregon State University Anthropology Department....
Greater Sage-Grouse (Centrocercus urophasianus) have experienced declines throughout their range over the last 50 years. Long-term declines in sage-grouse abundance in Nevada and Oregon have been attributed to reduced productivity. From 1995-1997, sage-grouse production on Sheldon National Wildlife Refuge (SNWR), Nevada was greater compared to Hart Mountain National Antelope Refuge...
The purpose of the present study was to test the selfconcept
and store image congruency theory with an elderly
population. The self-concept and store image congruency
theory predicts that individuals patronize stores that they
perceive as having an image similar to their own self-concept
(Martineau, 1958). The present study specifically...
The purpose of this study was to explore the relationship between stress, health, and health behaviors. The population for the study was made up of 231 full-time employees from Eastern Montana College. The subjects completed the Social Readjustment Rating Scale (SRRS), the Seriousness of Illness Scale (SIRS), the La Crosse...
This project explored the feasibility of using fungi in a constructed wetland
for the treatment of pulp mill effluent. The effluent is high in dissolved
lignins (some of which are chlorinated), which have proven very difficult to
degrade biologically. Mindful of work done with the (terrestrial) white rot
fungi, especially...
Freshwater wetlands in the Sacramento Valley provide breeding, wintering, foraging and stopover habitat for migratory and resident birds. With a loss of 95% of historic freshwater wetlands, the restoration of wetlands on private land could provide important habitat for birds. Documentation and monitoring of bird use on previously restored wetlands...
Adolescents are faced with many life changing decisions as they prepare for adulthood. The choice to engage in sexual activity is among the most difficult of these decisions. Risks, such as unplanned pregnancy, sexually transmitted infections (STIs), and other physical complications associated with early onset sexual activity are a harsh...
Fissure densities and widths have been mapped along the axial zone of the superfast spreading southern East Pacific Rise (EPR) at 17°15′–40′S with the near-bottom DSL-120 and Argo II imaging systems. We observe that the youngest lava flows (on a relative age scale) are sparsely fissured and that there is...
During his lifetime C. S. Lewis chose to speak to Christians in plain and simple language that they could understand. Lewis taught and defended truths that he felt were discernible through reason. Morality, free will, and the divinity of Jesus Christ were fundamental to his core beliefs and teachings. His...
We propose the experimental use of resazurin (Raz) and develop a metabolically active transient storage (MATS) model to include processes that may provide additional information on transient storage from a biogeochemical perspective in stream ecosystems. Raz is a phenoxazine compound that reduces irreversibly to resorufin (Rru) in the presence of...
This study examined the effect of increasing in-channel leaf standing stocks on hydrologic transient storage and nutrient retention in a Mediterranean mountain stream. A flood at the end of the leaf fall period provided the opportunity to examine the effect of abrupt removal of much of the leaf material. Twenty-one...
In unstable landscapes, modern pedological research explores the role of soils as products and indicators of geomorphologic change. Understanding the dynamics of hill slope pedogenesis is especially important in regions with limited, poor, or threatened soil resources. The island of Cyprus, situated in the eastern Mediterranean, is claimed by many...
During extreme exercise, athletes experience increased inflammation that is similar to the acute phase response. Endurance athletes, distance runners in particular, are also more susceptible to compromised iron stores. This study evaluated inflammation, immune function and iron status in athletes completing a 50K ultramarathon. Twenty-two well-trained distance runners, 11 males...
Documented trends in rising sea levels, storminess, and extreme wave heights have the potential to increase the frequency and magnitude of coastal change hazards, increasing risks to coastal infrastructure and environmental resources. Coastal planners and decision makers need information about the impacts of future hazards in order to apply mitigation...
Multibeam sonar data was collected on Nehalem Bank, off of the Oregon Coast with the purpose of increasing the spatial resolution of our knowledge of the area and delineating seafloor habitats. The system used was the Kongsberg Simrad EM-300 operating at 30 kHz. The data set collected includes both topographic...
Hydroacoustic tertiary (T-) waves are seismically generated acoustic waves that propagate
over great distances in the ocean sound channel with little loss in signal strength.
Hydrophone recorded T-waves can provide a lower earthquake detection threshold and an
improved epicenter location accuracy for oceanic earthquakes than land-based seismic
networks. Thus detection...
Goats were the first livestock species to be domesticated by humans and continue to function as a key source of protein and economic value for many communities. In the sixteenth century, Spanish colonists brought goats to the Americas. Unlike other nations, the United States did not maintain a significant market...
_____________________________________________________________________
Dawn Moyer, Committee Member, representing the Department of Agricultural
Education
Ecoregions are regions of relative homogeneity with respect to specific
ecosystem variables (Bailey 1976; Omernik 1995). There has been an increasing
awareness that effective management of environmental resources must be undertaken
with an ecosystem perspective (Omernik, 1995). Ecoregions serve as a spatial
framework for assessing, managing, and monitoring ecosystems that...
Cyberinfrastructure integrates advanced computer, information, and communication technologies to empower computation-based and data-driven scientific practice and improve the synthesis and analysis of scientific data in a collaborative and shared fashion. As such, it now represents a paradigm shift in scientific research that has facilitated easy access to computational utilities and...
Many meteorologists rely heavily on their experience of past weather events to supplement their forecasting tools, such as using past experience to help decide between conflicting numerical weather prediction models. Experiential knowledge is an important piece of forecasting, however it is highly subjective and variable from one forecaster to another....
From July 7 to 11, 2008, the International Coastal Atlas Network (ICAN) held a workshop on “Federated Atlases: Building on the Interoperable Approach” at the headquarters of the European Environment Agency (EEA) in Copenhagen, Denmark. The workshop (aka “ICAN 3”) engaged 29 participants from 10 countries, representing 25 organizations and...
Although the Pacific Northwest has the least proportion of non-native plant species in relation to other regions of North America, exotic species continue to spread into mountainous areas, including the Cascade Range. In a forested landscape, road networks can act as corridors for exotic plant dispersal and establishment, helping species...
The Willamette River floodplain has been highly modified by urbanization, conversion of land to agriculture, construction of dams and revetments, and regulation of flow, all of which have reduced floodplain processes that provide valuable ecosystem services such as fish and wildlife habitat and flood storage. Efforts to protect and restore...
The problem addressed is absence of a class of objects in a finite set of objects, which
is investigated by considering absence of a species and absence in relation to a threshold.
Regarding absence of a species, we demonstrate that the assessed probability of absence
of the class of objects...
The leasing of submerged and submersible lands is emerging as a new marine conservation method. Using a geographic information system, this study: (1) examines the suitability of estuary tideland sites for conservation leasing in Lincoln County, Oregon, and (2) explores the relationship between adjacent terrestrial land use zones and the...
Measuring the source and magnitude of components of variation has important
applications in industrial, environmental and biological studies. This thesis considers
the problem of constructing confidence intervals for variance components in Gaussian
mixed linear models. A number of methods based on the usual ANOVA mean squares
have been proposed for...
Spatial variation in the diet of the northern spotted owl (Strix occidentalis caurina) influences owl home ranges, and understanding this relationship will aid managers in forest management prescriptions that influence spotted owl recovery. This study describes the spatial variation in owl diet based on 4183 prey collected at 114 owl...
Polyhedra are geometric representations of linear systems of equations and
inequalities. Since polyhedra are used to represent the iteration domains of nested
loop programs, procedures for operating on polyhedra can be used for doing loop
transformations and other program restructuring transformations which are needed
in parallelizing compilers. Thus a need...
Bone loss is common in astronauts during long-duration spaceflight missions with severe bone loss often occurring in the proximal femur, a region not typically investigated in animal models for microgravity. We recently evaluated bone microarchitecture in the femoral head in rapidly growing male Sprague Dawley rats subjected to a 4-day...
Geochemical characterization methods are commonly used in the reconstruction of prehistoric raw material use and procurement systems. Trace element studies of lithic source material and artifacts, specifically those made of obsidian, can reveal important information about the environmental and cultural factors which influence the prehistoric distribution of raw material. The...
Many studies have looked at human settlements around individual volcanoes for
volcanic risk analyses, but few have done a comparative study to identify possible global
patterns. With the use of Landsat ETM+ data, this study identifies and compares urban
proximity to the Decade Volcanoes to identify volcanic settlement patterns. These...
Sperm acrosome associated 3 protein (SPACA3) is a unique, intra-acrosomal, conventional-type lysozyme-like protein of mammalian spermatozoa. SPACA3 is present in all stages of ovarian follicles and is localized to granulosa cells and ooplasma in humans, mice, cows, dogs, and cats. The objective of this study was to determine if equine...
_____________________________________________________________________
Dawn Sherwood, Committee Member, representing Department of Animal and
Rangeland Sciences
Marine environments, key life-support systems for the earth, are under severe threat. Issues
associated with managing these common property resources are complex and interrelated.
Networks of marine reserves can be valuable for mitigating threats to marine systems, yet the
successful design and implementation of such networks has been limited. Efficient...
Working Paper Number RSP 0804. This report represents part of a study being conducted by the Rural Studies Program at Oregon State University that will analyze the impacts of reduced Federal land payments to counties on the services provided by county government in Oregon, and on citizens, businesses and institutions...
While high-performance computing is a fundamental component of CyberGIS, equally important is establishing a fundamental connection between CyberGIS and the various user communities requiring it. This involves the sharing, communication, and collaboration of authoritative, relevant spatial science not only among GIS specialists within their respective organizations, but across relat-ed scientific...
Understanding the transport and retention of radionuclides in the environment is important for protecting freshwater supplies and minimizing impact to biologic systems. Technetium-99 (Tc⁹⁹) is a radionuclide of interest due to its long half-life (2.13 x 10⁵ years) and toxicity. In the form of pertechnetate (TcO₄⁻), Tc is expected to...
This study examined two neighborhoods in San Francisco with similar earthquake-induced ground failure history -- the Marina District and the South of Market Area (SoMa) -- in the aftermath of the 1989 Loma Prieta earthquake. The earthquake struck shortly after 5 pm on October 17th, 1989 and registered 6.9 in...
Bankfull discharge is an important indicator of streamfiow and affects
physical instream habitat. Geographic Information Systems (G IS), hydrologic
modeling, and statistical analysis were utilized to assess the relationship of
bankfull discharge recurrence intervals and land use / land cover watershed
wide and for stream adjacent buffers and bands of...
Widespread stratocumulus clouds were observed on nine transects from seven research cruises to the southeastern tropical Pacific Ocean along 20°S, 75°–85°W in October–November of 2001–08. The nine transects sample a unique combination of synoptic and interannual variability affecting the clouds; their ensemble diagnoses longitude–vertical sections of the atmosphere, diurnal cycles...
We took the back-propagation algorithms of Werbos for recurrent and feed-forward neural networks and implemented them on machines with graphics processing units (GPU). The parallelism of these units gave our implementations a 10 to 100 fold increase in speed. For nets with less than 20 neurons the machine performed faster...
Satellite remote sensing is an effective tool for mapping snow covered area. However, complex terrain and heterogeneous land cover, due to vegetation and patchy snow cover, present challenges to snow cover mapping. This research compares two techniques for mapping snow covered area: binary and enhanced fractional snow cover mapping techniques....
Fishery dependent data--length distributions, sex ratios, maturity schedules, and species composition of landed catches--are necessary for stock assessments. These data are currently collected by state port biologists using a sampling design that randomly selects samples from a small percentage of a very large target population. Sampling programs may need to...
This research addresses the large-scale group fleet replacement problem with multiple vehicle types of multiple units, under budget and demand constraints. Past research in group fleet replacement is limited and has focused on one vehicle type, with multiples units and constraints. Many studies in fleet replacement have also dealt with...