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Biomonitoring at Dallas-Fort Worth International Airport: Relating Watershed Land Use with Aquatic Life Use
The Dallas-Fort Worth International (DFW) Airport is located in a densely urbanized area with one of the fastest-growing populations in the U.S.A. The airport property includes a large tract of "protected" riparian forest that is unique to the urban surroundings. This dissertation explores variables that influence the benthic macroinvertebrate community structure found in urbanized prairie streams that were initially assessed by the University of North Texas (UNT) Benthic Ecology Lab during four, non-consecutive biomonitoring studies (2004, 2005, 2008, and 2014) funded by the DFW Airport. Additionally, land use analysis was performed using 5-meter resolution satellite imagery and eCognition to characterize the imperviousness of the study area watersheds at multiple scales. Overall, flow conditions and imperviousness at the watershed scale explained the most variability in the benthic stream community. Chironomidae taxa made up 20-50% of stream communities and outperformed all other taxa groups in discriminating between sites of similar flows and urban impairments. This finding highlights the need for genus level identifications of the chironomid family, especially as the dominant taxa in urban prairie streams. Over the course of these biomonitoring survey events, normal flow conditions and flows associated with supra-seasonal drought were experienced. Prevailing drought conditions of 2014 did not …
Date:
August 2021
Creator:
Harlow, Megann Mae Lewis
System:
The UNT Digital Library
Ozone Pollution Monitoring and Population Vulnerability in Dallas-Ft. Worth: A Decision Support Approach
In urban environments, ozone air pollution, poses significant risks to respiratory health. Fixed site monitoring is the primary method of measuring ozone concentrations for health advisories and pollutant reduction, but the spatial scale may not reflect the current population distribution or its future growth. Moreover, formal methods for the placement of ozone monitoring sites within populations potentially omit important spatial criteria, producing monitoring locations that could unintentionally underestimate the exposure burden. Although air pollution affects all people, the combination of underlying health, socioeconomic and demographic factors exacerbate the impact for socially vulnerable population groups. A need exists for assessing the spatial representativeness and data gaps of existing pollution sensor networks and to evaluate future placement strategies of additional sensors. This research also seeks to understand how air pollution monitor placement strategies may neglect social vulnerabilities and therefore, potentially underestimate exposure burdens in vulnerable populations.
Date:
August 2021
Creator:
Northeim, Kari M.
System:
The UNT Digital Library
It's Going to be Different, but It's Going to be Okay: Caregiver Perspectives on Autism, Culture and Accessing Care
Through ethnography influenced by public health and anthropological theory, I explored the cultural perceptions of autism among eight caregivers whose children received services from a local Dallas-Fort Worth autism treatment organization. Participant observations and semi-structured interviews with caregivers and program employees provided a rich and nuanced view into the state of care currently available in the DFW area while also highlighting areas for improvement. This research will be used to not only identify the barriers faced by North Texas Families while seeking out care,but also the strategies the organization uses when connecting with families from different backgrounds.
Date:
December 2017
Creator:
Otwori, Beverly N.
System:
The UNT Digital Library
Ready to Run: Fort Worth's Mexicans in Search of Representation, 1960-2000
This dissertation analyzes Fort Worth's Mexican community from 1960 to 2000 while considering the idea of citizenship through representation in education and politics. After establishing an introductory chapter that places the research in context with traditional Chicano scholarship while utilizing prominent ideas and theories that exist within Modern Imperial studies, the ensuing chapter looks into the rise of Fort Worth's Mexican population over the last four decades of the twentieth century. Thereafter, this work brings the attention to Mexican education in Fort Worth beginning in the 1960s and going through the end of the twentieth century. This research shows some of the struggles Mexicans encountered as they sought increased representation in the classroom, on the school board, and within other areas of the Fort Worth Independent School District. Meanwhile, Mexicans were in direct competition with African Americans who also sought increased representation while simultaneously pushing for more aggressive integration efforts against the wishes of Mexican leadership. Subsequently, this research moves the attention to political power in Fort Worth, primarily focusing on the Fort Worth city council. Again, this dissertation begins in the 1960s after the Fort Worth opened the election of the mayor to the people of Fort Worth. No …
Date:
August 2017
Creator:
Martínez, Peter Charles
System:
The UNT Digital Library
Urban Hydraulic Rhizome: Water, Space, and the City in 20th Century North Texas
During the modern era, the urbanization of water has been facilitated by various privileged discourses, which valorize major engineering interventions for the sake of continued urban growth. This research examines discourse surrounding the 2-th Century proposal and construction of a reservoir near the then-tiny farming community of Grapevine, Texas, for the benefit of urban interests. I argue that urban interests produced Grapevine space as nothing more than a container for city water, by rendering meaningless any conception of space that was not directly articulated with urban economic networks. Modern discourse collapsed Denton Creek space from a watershed and landscape into a dimensionless node in the urban space of flows. In return, rural inhabitants were encouraged to progress and to modernize their own spaces: to become urban. Whereas urban discourse entails an implicit spatial imaginary of networks, I deploy the conceptual framework of settler colonialism to show that a core-periphery relationship remains relevant, and is not reducible to a network spatial ontology.
Date:
May 2017
Creator:
Simon, James-Eric H.
System:
The UNT Digital Library
Analyzing Tuberculosis Vulnerability and Variables in Tarrant County
Over 9 million new cases of tuberculosis (TB) were reported worldwide in 2013. While the TB rate is much lower in the US, its uneven distribution and associated explanatory variables require interrogation in order to determine effective strategies for intervention and control. However, paucity of case data at fine geographic scales precludes such research. This research, using zip code level data from 837 confirmed TB cases in Tarrant County obtained from Texas Department of State Health Services, explores and attempts to explain the spatial patterns of TB and related risk markers within a framework of place vulnerability. Readily available census data is then used to characterize the spatial variations in TB risk. The resulting model will enable estimations of the geographic differences in TB case variables using this readily available census data instead of time-consuming and expensive individual data collection.
Date:
December 2016
Creator:
McGlone, John Francis
System:
The UNT Digital Library
The Landscape Legacies of Gas Drilling in North Texas
In North Texas, the Barnett Shale underlies large areas of the Dallas-Fort Worth Metroplex (DFW), which magnifies debates about the externalities of shale gas development (SGD). Continued demand for natural gas and expansive urbanization in DFW will cause more people to come in contact with drilling rigs, gas transport, and other urban shale gas landscapes. Thousands of gas wells within the DFW region occupy a large, yet scattered land surface area. DFW city planners, elected officials, and other stakeholders must deal with current and future urban growth and the surface impacts that are associated with gas development. This research examines how shale gas landscapes affect urban land uses, landscapes, and patterns of development in DFW. The study focuses on multiple fast growing DFW municipalities that also have high numbers of gas well pad sites. This study asks what are the spatial characteristics of gas well production sites in DFW and how do these sites vary across the region; how do gas well production sites affect urban growth and development; and how are city governments and surface developers responding to gas well production sites, and what are the dominant themes of contestation arising around gas well production sites and suburban growth?
Date:
May 2016
Creator:
Sakinejad, Michael Cyrus
System:
The UNT Digital Library
A study of the impact of unconventional sources within a large urban area: evidence from spatio-temporal assessment of volatile organic compounds.
Conventional sources of emissions have been a prime target for policymakers in designing pollution control strategies. However, the evolution of shale gas activities is a growing concern over the impact of unconventional sources on urban and regional air quality. Owing to the development of Barnett Shale production, the fast-growing Dallas-Fort Worth (DFW) metroplex has encountered both types of these emissions. Oil and gas activities result in emissions of ozone precursors, notably volatile organic compounds (VOC). The major objective of this study was to evaluate the spatio-temporal distribution of VOC in order to highlight the influence of unconventional emissions. The study utilized measurements from automated gas chromatography (AutoGC) monitors to analyze the patterns of the total non-methane organic compounds (TNMOC) and relative contributions from marker species of traffic versus oil and gas activities. In this study, data from 2001-2014 was obtained from the Texas Commission on Environmental Quality (TCEQ) for fifteen monitoring sites within the North Texas region. With over a thousand wells in a 10 mile radius, two of the rural sites measured twice as much TNMOC as compared to the urban site in Dallas. Source apportionment analysis was conducted using Positive Matrix Factorization (PMF) technique. The target site located …
Date:
May 2016
Creator:
Matin, Maleeha
System:
The UNT Digital Library
Why Breastfeed? Understanding the Factors that Influence Women to Breastfeed in Southeast Fort Worth
Today breastfeeding is a common conversation with the ever-growing holistic movement and the effort to 'go green' as demonstrated by the proliferation of the organic food industry in recent years within the United States. Breastfeeding may reduce poor health outcomes including infant morbidity and mortality. Infant mortality is a priority in Tarrant County within southeast Fort Worth as defined by this project’s client Healthy Moms – Healthy Babies – Healthy Community. The purpose of this research was to identify the contextual factors that influence breastfeeding decisions among the zip codes in southeast Fort Worth in which infant mortality is greatest. In analysis of the data among breastfeeding mothers and stakeholders, support was the greatest contribution to successful breastfeeding.
Date:
May 2016
Creator:
Jimenez, Lesley S.
System:
The UNT Digital Library
Influence of the Choice of Disease Mapping Method on Population Characteristics in Areas of High Disease Burdens
Disease maps are powerful tools for depicting spatial variations in disease risk and its underlying drivers. However, producing effective disease maps requires careful consideration of the statistical and spatial properties of the disease data. In fact, the choice of mapping method influences the resulting spatial pattern of the disease, as well as the understanding of its underlying population characteristics. New developments in mapping methods and software in addition to continuing improvements in data quality and quantity are requiring map-makers to make a multitude of decisions before a map of disease burdens can be created. The impact of such decisions on a map, including the choice of appropriate mapping method, not been addressed adequately in the literature. This research demonstrates how choice of mapping method and associated parameters influence the spatial pattern of disease. We use four different disease-mapping methods – unsmoothed choropleth maps, smoothed choropleth maps produced using the headbanging method, smoothed kernel density maps, and smoothed choropleth maps produced using spatial empirical Bayes methods and 5-years of zip code level HIV incidence (2007- 2011) data from Dallas and Tarrant Counties, Texas. For each map, the leading population characteristics and their relative importance with regards to HIV incidence is identified …
Date:
December 2015
Creator:
Desai, Khyati Sanket
System:
The UNT Digital Library
Community-based Participatory Research: HIV in African American Men Who Have Sex with Men
To date, traditional behavioral interventions have done little to reduce the prevalence and transmission of HIV among African American men who have sex with men (AAMSM), a highly at risk group. Some researchers theorize that the lack of success may be because these interventions do not address contextual factors among AAMSM. Community-based participatory research (CBPR) is one approach to research with the potential to lead to effective interventions in the future. CBPR is a collaborative, mixed-methods and multidisciplinary, approach to scientific inquiry, which is conducted with, and within, the community. The current study follows the CBPR approach to engage and develop a relationship with the African American communities in the Dallas/Fort Worth Metroplex. Contextual issues were discussed in order to identify emerging themes regarding HIV health related issues among AAMSM to provide the groundwork for continued CBPR research and future interventions with AAMSM in the Dallas/Fort Worth Metroplex. To accomplish this goal, researchers began the CBPR process by conducting interviews and focus groups with a sample of approximately 62 (34 from key informant interviews, 28 from focus groups [gender balanced]) AIDS service organization leaders and workers, advocates, medical doctors and community members with first-hand knowledge of HIV health issues in …
Date:
August 2015
Creator:
Miller, James MS
System:
The UNT Digital Library
Community Gardening: a Novel Intervention for Bhutanese Refugees Living in the USA
Since 2008, the United States (USA) has resettled thousands of Bhutanese refugees, providing brief financial support and pathways to citizenship. Despite the efforts of governing bodies and voluntary agencies which facilitate resettlement, many refugees struggle with adapting to the vastly different lifestyle, economy, language and social structures. In particular, effectively addressing psychological needs of this population is a challenge for service providers operating within an expensive health care system based on Western constructs of mental health. In response to this challenge, refugee resettlement agencies throughout the country use community gardens to promote psychological healing, self-sufficiency, community engagement, and a return of human dignity. Though success of these programs is being shared in the media, there has yet to be empirical data examining their impact. The current study tested whether Bhutanese refugee engagement in a community garden impacts symptoms of depression, anxiety, PTSD and somatic complaints. The study also investigated whether community gardening is associated with perceptions of social support and adjustment to life in the United States. Quantitative and qualitative data was collected from 50 adult Bhutanese refugees in Fort Worth, Texas. Gardening was significantly related to increased social support overall, a key factor in overall functionality within communal cultures; …
Date:
August 2015
Creator:
Gerber, Monica M.
System:
The UNT Digital Library
The Needs and Resources of International Torture Survivors Living in the Dallas Fort Worth (DFW) Metroplex: an Investigation of Healing and Assimilation Perceived by Center for Survivors of Torture’s Clients and Staff As Well As the Greater Resettlement Community
Torture survivors find difficulty navigating through an unfamiliar healthcare and social service system. Many survivors who already face Post Traumatic Stress Disorder (PTSD), anxiety, and depression also endure a secondary threat which leads to re-traumatization through the struggles of acculturation. The aim of this study is to determine: 1. Identify differences and assumptions between service providers’ and clients’ definitions of self-sufficiency; 2. Examine prominent barriers to self-sufficiency that survivors encounter; 3. Pinpoint the survival strategies that survivors use in order to cope with life in DFW; 4. Determine what resources CST staff, area service providers, and survivors feel need to be improved for CST and the DFW metroplex.
Date:
August 2015
Creator:
Trubits, Ryan J.
System:
The UNT Digital Library
Grand Canyons: Authoritative Knowledge and Patient-Provider Connection
In 2011, African Americans in Tarrant County, Texas experienced an infant mortality rate of 14.3 per 1,000 live births. The leading cause of infant mortality in Tarrant County is prematurity and maternal nutritional status. Both maternal under-nutrition and over-nutrition are known risk factors for premature birth. Improving maternal nutrition, by reducing rates of gestational diabetes and preeclampsia, and by increasing consumption of essential prenatal vitamins and nutrients, is a road to decreasing preterm birth in African Americans. This qualitative study, based on both anthropology and public health theory, of the nutrition behavior of a group of African American expectant mothers and the experience of their health care providers and co-facilitators had a goal to provide a foundation for future development of nutrition behavior research and education for this specific population. The main finding of this study was the substantial gap of lived experience and education between the patients and their providers and co-facilitators, which hinders delivery of care and the patients’ acquiescence to nutrition recommendations. The discrepancies between the authoritative knowledge of the providers and the bodily knowledge of expectant mothers were responsible for the ineffectiveness of nutrition recommendations.
Date:
May 2015
Creator:
Fowler, Rebecca (Public health researcher)
System:
The UNT Digital Library
Evaluation of Program Effectiveness: a Look at the Bedford Police Department’s Strategy Towards Repeat Victimization in Domestic Violence and Mental Health
The primary goal of this study was to evaluate the effectiveness of a program being run by the Bedford Police Department’s Repeat Victimization Unit on domestic violence and mental health and mental retardation. The study sought to determine whether the program was effective in reducing instances of repeat victimization in domestic violence and MHMR victims. Additionally the program investigated whether or not the program was effective at reducing victimization severity, and which demographic could be identified as the most victimized. Participants consisted of 157 domestic violence and MHMR victims in the city of Bedford, Tx between November 11, 2012 to July 30, 2013. Findings indicate that levels of repeat victimization for domestic violence and MHMR are relatively low regardless of whether the victim received services through the repeat victimization program or not. Additionally the severity of these repeat victimizations remains relatively constant regardless of whether services were received through the program or not. Implications and findings are discussed.
Date:
August 2014
Creator:
Huskey, Michael G.
System:
The UNT Digital Library
Health Status and Access Disparities Among the Uninsured Working-Age Population in a Safety-Net Healthcare Network in Tarrant County, Texas
The objective of this research was to determine if healthcare access disparities exist across race and gender in a publically funded safety-net healthcare system in Texas. Data were examined from a representative random sample of 1468 adults aged 18-64 who were patients in this safety-net system in July and August of 2000 and were analyzed using binary logistic regression and chi-square measures of significance. Major Findings: On measures of health status - overall health rating (p =.051), limited employment (p =.000), energy level (p =.001), and worry (p =.012) - Anglos reported the worst health; Mexican Americans, the best health; with African Americans intermediate. Mexican Americans were more likely to have never had health insurance, and to also have had insurance in the past year; Anglos were least likely to have ever had insurance (p =.015) or to have had insurance in the past year (p =.000). On use of EDs (p =.028), problems getting prescription medicines (p =.029), and foregoing other necessities of life to pay for healthcare, Mexican Americans were least disadvantaged with African Americans reporting greatest use of EDs among both men and women, and Anglos the most problems with prescription medicines and foregoing care, especially among …
Date:
December 2009
Creator:
Queen, Courtney M.
System:
The UNT Digital Library
The Development of IAM District Lodge 776 in Fort Worth, Texas, 1942-1946: A Case Study in the Growth of Organized Labor During World War II
This thesis concentrates on a local union of the International Association of Machinists (IAM), District Lodge 776, of Fort Worth, Texas, during the war years. The main argument of the thesis runs along three basic lines. First, it demonstrates that the experiences of the Fort Worth Machinists clearly fit into the national labor movement during the war years. Second, it argues that the existence, survival, and strength of the union depended greatly on outside forcesan expanding national economy, a powerful national union, and a generally labor-friendly government. Third, it shows that union officers and rank-and-file members used their bases of strengththe national economy, the national IAM, and the federal governmentto build an effective local labor organization.
Date:
August 1999
Creator:
White, Kirk
System:
The UNT Digital Library
Impact of Stress Inoculation on Performance Efficacy Linked to Instrumental Activities of Daily Living
Utilizing a sample of community-residing older adults, this pretest-posttest design evaluated the short term (approximately 1 week) impact on everyday functioning of Stress Inoculation (SI) training, a cognitive-behavioral intervention that is essentially a coping skills enhancement program. The targets of training were anxiety and concern about being able to successfully perform everyday living tasks. The training program was contrasted with a no contact (waiting list) control. In an effort to maximize the practical aspects of this study, the assessment battery included the use of two ecologically valid measures of everyday problem solving skills (one self-rated and one interviewer-rated). Also included were a measure of everyday intelligence widely used in gerontological research, two measures of self-efficacy, a geriatric depression scale, a state-trait anxiety scale, and a self-report measure of failures in perception, memory, and motor function. The results suggest that Stress Inoculation training is an effective intervention for improving everyday competence but that personal perceptions of self-efficacy and the emotional states of anxiety and depression mediate treatment effects. In general, only persons with lower levels of self-efficacy and higher levels of anxiety and/or depression saw improvement in their cognitive performance following SI training.
Date:
August 1999
Creator:
Galt, Cynthia P.
System:
The UNT Digital Library
Impact of Training on the Information Technology Attitudes of University Faculty
The purpose of this study was to determine whether training had an impact on the information technology attitudes of university faculty. The study was twofold. First, it sought to determine whether training changed attitudes toward information technology among faculty at a small, liberal arts university. Secondly, a group of faculty at a similar university was used to compare the differences in attitudes toward information technology among faculty who had received training and those who had not. The research population consisted of 218 faculty from these two universities. The literature review focused on obstacles to information technology use by faculty, instruments currently available for measuring faculty attitude, methods used in training faculty to use information technology, and integration of information technology by faculty.
Date:
August 1998
Creator:
Gilmore, Elizabeth L. (Elizabeth Lee)
System:
The UNT Digital Library
Non-Academic Institutional Variables Related to Degree Completion of Non-Traditional Age Undergraduate Students
A study was conducted at The University of Texas at Arlington to obtain measurements of non-traditional age undergraduate students using the Mattering Scales for Adult Students in Higher Education (MHE). The MHE is designed to assess the perceptions of adult students on how much they matter to the institution they are attending. The study also sought to determine if "mattering" and other selected nonacademic variables associated with the university environment are perceived by nontraditional age students to effect their likelihood of completing their baccalaureate degree. Of the five subscales surveyed by the MHE, significant statistical differences were found to exist in the Administration, Interaction With Peers, Multiple Roles, and Faculty subscales denoting an interaction between gender and minority status. Significant statistical differences were also found by gender on the Advising subscale and by minority status on the Faculty subscale.
Date:
August 1998
Creator:
Walts, Rebecca Ann.
System:
The UNT Digital Library
Patterns of Relationship Violence among Low Income Women and Severely Psychologically Abused Women
Little research has addressed the degree to which domestic violence is mutual and whether patterns are stable across women's relationships. Studies that exist have conflicting results. This study addressed these issues and the effects of sustaining past violence on women's expressions of violence in their current relationship. Archival data from a sample of severely psychologically abused community women (N = 92) and a sample of low-income community women (N = 836) were analyzed. Results showed the presence of mutual violence in women's current relationships which was not related to past partners' violence. Results regarding the stability of violence are weak, but indicate that the frequency and severity of violence across relationships sustained by women does not decrease across relationships. Overall, results supported the hypothesis that violence is mutual in the relationships of community women, although specific patterns may differ by ethnicity.
Date:
August 1998
Creator:
Weston, Rebecca
System:
The UNT Digital Library
Identity Status and Adjustment to Loss Among Adolescents
The purpose of the present investigation was to explore the relationship of the adolescent experience of parental death to the variables of identity formation, adjustment, and coping. The inclusion of adolescents who had experienced parental divorce and those who had not experienced either loss condition allowed for group comparisons.
Date:
August 1997
Creator:
Servaty, Heather L.
System:
The UNT Digital Library
The Impact of a Mentoring Program on the Self-Esteem of College-Age Women
The fact that girls and women suffer a loss of self-esteem disproportionate to boys and men is without argument. There are an increasing number of books, magazine articles, and resource kits being made available to begin to comprehensively address the issue with young girls. However, less effort is being directed toward the older adolescent, the college-age woman. The problem with which this study was concerned was that of determining the impact of a mentoring program on the self-esteem of college-age women. The Multidimensional Self-Esteem Inventory (MSEI) was administered as a pre- and posttest, to 40 sophomore women, 20 of whom were in a control group and 20 who participated in the structured mentoring program. Using the MSEI, it was possible to gain statistically significant data which indicated that the self-esteem of the women could be positively impacted as a result of the mentoring experience. In addition to the instrument, the participants kept journals about their mentoring experience. Therefore, this research was able to report both qualitative and quantitative findings. The findings regarding the control group were not statistically significant for any of the 11 characteristics on the inventory. The findings from the mentored group however, were determined to be statistically …
Date:
August 1997
Creator:
Higgins, Lynda Kay Burton
System:
The UNT Digital Library
Iranian Access Television of Dallas: Cultural Issues, Preservation, and Community Formation
This study focused on the televisual and cultural practices of Iranians via public access television in Dallas, Texas. It includes analysis of format and content. It combines demographic, structural, and statistical information with a culturalist and interpretive viewpoint in examining the efforts of Iranians, via access television programs, in preserving their culture and the formation of a coherent and active community in the Dallas/Fort Worth Metroplex.
Date:
August 1997
Creator:
Karimi, Mohammad, 1959-
System:
The UNT Digital Library