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2009

Physical Sciences and Mathematics

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Articles 1 - 30 of 59

Full-Text Articles in Social and Behavioral Sciences

Evaluating The Effects Of Green Roofs As Tools For Stormwater Management In An Urban Metropolis, Robyn R. Polinsky Dec 2009

Evaluating The Effects Of Green Roofs As Tools For Stormwater Management In An Urban Metropolis, Robyn R. Polinsky

Geosciences Theses

Stormwater management is an essential aspect of urban hydrology. Urbanized areas have large amounts of impervious surface cover (ISC) and well developed sewer and drainage networks which rapidly channel water and pollutants off of streets and into local streams. This research evaluates the use of vegetated roofs as mechanisms to reduce ISC and stormwater runoff in downtown Atlanta. A 3-D model of the study site was created so that runoff rates could be measured for various rooftop scenarios under different size storm events. The results revealed a reduction in peak runoff and an increase in both the lag time and …


Social Behaviors Of Modern And Indigenous Peoples Impacting The Ecology Of The Amazon Rain Forest In Brazil, Josef W. Schaffer Dec 2009

Social Behaviors Of Modern And Indigenous Peoples Impacting The Ecology Of The Amazon Rain Forest In Brazil, Josef W. Schaffer

Earth and Soil Sciences

Human induced disruption of the environment is prevalent in every culture. In Brazil, the effects of massive deforestation have become apparent since the nineteen eighties. However, along with deforestation, and a coinciding loss in an economic resource for the country, is a significant loss of natural habitat and species extinction. The Amazon in Brazil contains a large proportion of the world’s species diversity that is threatened by the socio-economic activities of modern Brazilian culture. Historically and presently, indigenous groups have contributed to insignificant levels of ecological disruption and are themselves threatened by the activities of modern Brazilians. The effects of …


Creation Of Soil Liquefaction Susceptibility Maps For San Luis Obispo & Marin Counties Using Geographic Information Systems., Amelia M. Lowman Dec 2009

Creation Of Soil Liquefaction Susceptibility Maps For San Luis Obispo & Marin Counties Using Geographic Information Systems., Amelia M. Lowman

Earth and Soil Sciences

Liquefaction of soils in response to earthquake shaking is a pressing issue in the state of California. Using Geographic Information Systems, Geological and lithology layers, along with criteria in order to separate out the data into four risk categories, a liquefaction risk assessment map was created for San Luis Obispo and Marin Counties. The accuracy of these maps was then assessed using liquefaction occurrences for San Luis Obispo County, and it was determined that while the map is somewhat accurate, in order to obtain a greater amount of accuracy and increase the usefulness of these maps, more data would need …


The Malawi Project: From Conventional To Holistic Decision Making, Grace Wetmore Dec 2009

The Malawi Project: From Conventional To Holistic Decision Making, Grace Wetmore

Animal Science

How the Cal Poly Malawi Appropriate Technologies Team, and other development groups, can use Holistic Management to aid developing countries in an effort towards a sustainable future.


Evaluation Of Best Management Practices To Reduce Nutrients Runoff In Watersheds In Arkansas, Hector German Rodriguez Diaz Dec 2009

Evaluation Of Best Management Practices To Reduce Nutrients Runoff In Watersheds In Arkansas, Hector German Rodriguez Diaz

Graduate Theses and Dissertations

There are many non point sources (NPS) of pollution issues across the state of Arkansas. Each region of the state has different concerns. Many watersheds have been included in the Arkansas's 2008 303(d) list for NPS impairments with sediment and nutrients being the primary causes of concern. This research hypothesized that there are no cost or net returns risks when adopting best management practices (BMPs) to control nutrients runoff and that selection, timing, placement and cost have no impact on the implementation of BMPs. Using two priority watersheds, the L'Anguille River and the Lincoln Lake, as examples, the environmental benefits …


Exploring Some Inattended Affective Factors In Performing Nonroutine Mathematical Tasks, John Douglas Butler Dec 2009

Exploring Some Inattended Affective Factors In Performing Nonroutine Mathematical Tasks, John Douglas Butler

Master's Theses, Dissertations, Graduate Research and Major Papers Overview

Describes students' attempts to solve nonroutine math problems and explores possible correlates of their performance, focusing on inattended (i.e., intentionally avoided) dimensions underrepresented in the literature, including attitudes, interests, values, aesthetics, metacognition, and representation. Analyzes objective and subjective data gathered from a sample of 9th-grade students at a high school in Rhode Island. Finds strong evidence of students' math-aesthetics in problem solving.


Democracy And The Environment In Latin America, Javier Albert Escamilla Dec 2009

Democracy And The Environment In Latin America, Javier Albert Escamilla

UNLV Theses, Dissertations, Professional Papers, and Capstones

This study examines the ability of democratic and non-democratic states alike to protect the environment. Democracy has long been an important concept in the study of politics and environmental protection is an increasingly important issue in world politics. Advocates of democracy claim democratic states are better able to protect the environment than non-democracies. In contrast there are those that argue democracy's emphasis on individual rights leads to excessive resource consumption. This thesis employs a mixed methods approach to determine if democratic countries protect the environment more than their non-democratic counterparts. In short democracies do protect the environment better than non-democracies …


The Development Of An Advanced Filial Therapy Model, Amy Cathleen Wickstrom Dec 2009

The Development Of An Advanced Filial Therapy Model, Amy Cathleen Wickstrom

Loma Linda University Electronic Theses, Dissertations & Projects

This study sought to develop an advanced filial therapy model by examining the experiences of seven parents who participated in a preliminary advanced filial therapy intervention. These parents had previously completed a 10-week basic filial therapy model called Child Parent Relationship Therapy. A phenomenological qualitative design was employed, wherein data was obtained from parent playtime notes, researcher field notes, group process transcriptions, and focus groups. Parent experiences of the intervention were examined from a systems-relational lens, and four categories emerged, which include relational epiphanies, enhanced understanding of the playtimes, model format, and skill development. Additionally, a variety of themes were …


Acid Rain: The Effects, Torrey Mortimer Nov 2009

Acid Rain: The Effects, Torrey Mortimer

Social Sciences

In a world experiencing increasing population, urbanization, and developing nations looking to compete on a global market with post-industrial nations, the effects of acid precipitation require greater consideration. As the world’s energy demand rises, and with the cheapest and most abundant source of energy being coal, the occurrence of acid precipitation is on the rise.

The goal of my project is to research and report on the effects of acid deposition on humans, animals and the environment that surrounds them. When I have completed my project, I hope to be able to explain the impacts that acid deposition has on …


Neurodevelopmental Outcome & Mr Spectroscopy Of Therapeutic Hypothermia After Pediatric Drowning, Sharon Mieras Perugini Sep 2009

Neurodevelopmental Outcome & Mr Spectroscopy Of Therapeutic Hypothermia After Pediatric Drowning, Sharon Mieras Perugini

Loma Linda University Electronic Theses, Dissertations & Projects

Despite advances in medical treatment and technology, outcome following pediatric drowning can vary widely from mild to severe impairments and death. Prognosis is often difficult to predict given a number of contributing factors. As such, this study examined the relationship between clinical indicators including submersion duration, initial GCS and PRISM scores, and waking time with outcome as well as metabolite ratios based on magnetic resonance spectroscopy. Research stemming from the area of cardiac arrest as well as anecdotal case study reports of cold water drownings suggests that lowering the body temperature may be helpful and protective. As such, the use …


Profiles Of Drug Endangered Children: Investigation In A Clinical Sample, Imanie Samanmali Wijayaratne Sep 2009

Profiles Of Drug Endangered Children: Investigation In A Clinical Sample, Imanie Samanmali Wijayaratne

Loma Linda University Electronic Theses, Dissertations & Projects

Despite the increase in children born prenatally exposed to methamphetamine, little is known about the cognitive and neuropsychological outcomes of these children. Research specific to prenatal-methamphetamine exposure is extremely limited and has been primarily restricted to rat studies. This research combined with the few studies examining children prenatally exposed to methamphetamine suggests that methamphetamine-exposure is associated with various cognitive and neuropsychological delays and is impacted by both biological and environmental factors. Given the scarcity of research in this area, the current study used archival data from a psychological assessment clinic to (1) describe the frequency of prenatal methamphetamine-exposure cases, (2) …


Comparison Of Rationally-Derived And Empirically-Derived Methods For Predicting Failure In Residential Treatment, Jennifer Pester Grattan Sep 2009

Comparison Of Rationally-Derived And Empirically-Derived Methods For Predicting Failure In Residential Treatment, Jennifer Pester Grattan

Loma Linda University Electronic Theses, Dissertations & Projects

Patient-focused research methods have been used in adult mental health treatment to improve outcomes by tracking individual treatment response and comparing it with expected recovery patterns. One such approach has used rationally- and empirically-derived methods to analyze data from the OQ-45 and identify patients who are not responding as expected to treatment. Treatment is then adjusted, improving outcomes and lowering overall costs.

Similar but less extensive research has shown analogous methods can be used with children and adolescents. This would be particularly useful in residential treatment, which is an expensive and inadequately researched approach. This study used archival data gathered …


Study Of The Four Factor Theory Of Women’S Sexual Function, Julie M. Merrell Sep 2009

Study Of The Four Factor Theory Of Women’S Sexual Function, Julie M. Merrell

Loma Linda University Electronic Theses, Dissertations & Projects

Tiefer, Hall, and Tavris (2002) described factors comprising four categories of female sexual function. They suggested that unique factors need to be examined to understand sexual function in women. Socio-cultural, political, or economic factors, partner and relationship factors, psychological factors, and medical factors were described as aspects of women’s lives that can be the source of sexual dysfunction. In a previous study, Merrell (2007) utilized Tiefer et al’s (2002) four factor model of sexual functioning to examine female sexual functioning looking specifically at body shame, relationship satisfaction, positive and negative affect, sexual self-schema, and overall health. Based on the results …


Research On Brand Strategies Of Cdl Company, Wei Gu Jul 2009

Research On Brand Strategies Of Cdl Company, Wei Gu

World Maritime University Dissertations

No abstract provided.


Research On Value-At-Risk In International Crude Oil Shipping Market, Xiaoyin Cui Jul 2009

Research On Value-At-Risk In International Crude Oil Shipping Market, Xiaoyin Cui

World Maritime University Dissertations

No abstract provided.


The Feasibility Analysis Of The Third Euro-Asia Continental Bridge, Tongyou Weng Jul 2009

The Feasibility Analysis Of The Third Euro-Asia Continental Bridge, Tongyou Weng

World Maritime University Dissertations

No abstract provided.


Lng Shipping Market Analysis, Guangchuan Xia Jul 2009

Lng Shipping Market Analysis, Guangchuan Xia

World Maritime University Dissertations

No abstract provided.


Analysis On Strategies Of Liners Against The Global Financial Crisis, Feng Chen Jul 2009

Analysis On Strategies Of Liners Against The Global Financial Crisis, Feng Chen

World Maritime University Dissertations

No abstract provided.


Marketing Analysis Of The Chinese Coffee Market: Suggestions For A Logistic System For The Colombian Coffee Exporters, Soraya Margarita Herrera Jaramillo Jul 2009

Marketing Analysis Of The Chinese Coffee Market: Suggestions For A Logistic System For The Colombian Coffee Exporters, Soraya Margarita Herrera Jaramillo

World Maritime University Dissertations

No abstract provided.


Researchs On Coal Logistics Center Site Selection In Guizhou Province, Yiye Xiang Jul 2009

Researchs On Coal Logistics Center Site Selection In Guizhou Province, Yiye Xiang

World Maritime University Dissertations

No abstract provided.


The Research On Optimization Of Liner Route Between China To Middle East, Tingyi Chen Jul 2009

The Research On Optimization Of Liner Route Between China To Middle East, Tingyi Chen

World Maritime University Dissertations

No abstract provided.


A Study On Opmtimizing The Cold Chain Logistic System In China, Huizhong Chen Jul 2009

A Study On Opmtimizing The Cold Chain Logistic System In China, Huizhong Chen

World Maritime University Dissertations

No abstract provided.


The Research On Risk Evaluation Of Shanghai Lng Import Program, Chao Lin Jul 2009

The Research On Risk Evaluation Of Shanghai Lng Import Program, Chao Lin

World Maritime University Dissertations

No abstract provided.


Economic Approach Of Piracy Along The Maritime Silk Road And Cost Analysis Of The Northern Sea Route, Petros Kelaiditis Jul 2009

Economic Approach Of Piracy Along The Maritime Silk Road And Cost Analysis Of The Northern Sea Route, Petros Kelaiditis

World Maritime University Dissertations

No abstract provided.


The Construction And Development Of Shanghai International Shipping Center, Shimin Wang Jul 2009

The Construction And Development Of Shanghai International Shipping Center, Shimin Wang

World Maritime University Dissertations

No abstract provided.


Research On Decision-Making On Take-Back Models In Reverse Logistics For End-Of-Life Electronic Products, Yiwei Wang Jul 2009

Research On Decision-Making On Take-Back Models In Reverse Logistics For End-Of-Life Electronic Products, Yiwei Wang

World Maritime University Dissertations

No abstract provided.


New Eurasian Continental Bridgehead Lianyungang, Qiaoqiao Wu Jul 2009

New Eurasian Continental Bridgehead Lianyungang, Qiaoqiao Wu

World Maritime University Dissertations

No abstract provided.


Analysis Of Channel Networks And The Potential For Sediment Transport In The Vicinity Of The North Polar Seas Of Titan, Richard Cartwright Jul 2009

Analysis Of Channel Networks And The Potential For Sediment Transport In The Vicinity Of The North Polar Seas Of Titan, Richard Cartwright

Geosciences Theses

This study analyzes the available radar evidence in order to describe the morphology of channel networks around the north polar seas of Titan. Critical flow depths necessary to entrain water-ice grains, and denudation rates for a north polar channel network are discussed. The results indicate that channel networks on Titan have similar morphologies to channel networks cut by water on Earth. We also find that water-ice sediment should be readily entrained in the headwaters and downstream sections of the analyzed Titanian basin, given sufficient flow depths of liquid hydrocarbons. Also, the importance of slope and the elevated topography of the …


Magmatic Evolution Of The Eocene Volcanic Rocks Of The Bijgerd Kuh E Kharchin Area, Uromieh-Dokhtar Zone, Iran, Armita Davarpanah Jul 2009

Magmatic Evolution Of The Eocene Volcanic Rocks Of The Bijgerd Kuh E Kharchin Area, Uromieh-Dokhtar Zone, Iran, Armita Davarpanah

Geosciences Theses

Composition and texture of the Middle and Late Eocene volcanic, volcaniclastic, and volcanic-sedimentary rocks in the Bijgerd-Kuh e Kharchin area, in the Uromieh-Dokhtar zone northwest of Saveh, Iran, suggest the complexity of the magmatic system that involved multiple eruptions from one or more sources. Hydrated volcanic fragments in hyaloclastic rocks, and the presence of a sequence of shallow and intermediate-depth marine microfossils, suggest that the Middle Eocene units were erupted in a marine basin. The bimodal volcanism of the Late Eocene is distinguished by the presence of four alternating sequences of hyaloclastite lava and ignimbrite. The REE patterns show spatial …


Invasive Species Management Plan For Oswego Lake, Daniel Warren, Mark Sytsma Jul 2009

Invasive Species Management Plan For Oswego Lake, Daniel Warren, Mark Sytsma

Environmental Science and Management Professional Master's Project Reports

This Invasive Species Management Plan defines an overarching strategy for the Lake Oswego Corporation (LOC) to mitigate threats from invasive species to Oswego Lake. Invasive species pose a direct risk to recreational and aesthetic uses of the lake, critical LOC infrastructure, and ecological communities within the lake. The Plan is particularly concerned with two bivalve mollusks in the genus Dreissena: the zebra mussel (Dreissena polymorpha) and the quagga mussel (Dreissena bugensis). These mussels grow in dense colonies that damage watercraft and underwater structures as well as displace native species. A recent scientific report found that …