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Description
This dissertation explores vulnerability to extreme heat hazards in the Maricopa County, Arizona metropolitan region. By engaging an interdisciplinary approach, I uncover the epidemiological, historical-geographical, and mitigation dimensions of human vulnerability to extreme heat in a rapidly urbanizing region characterized by an intense urban heat island and summertime heat waves. I first frame the overall research within global climate change and hazards vulnerability research literature, and then present three case studies. I conclude with a synthesis of the findings and lessons learned from my interdisciplinary approach using an urban political ecology framework. In the first case study I construct and map a predictive index of sensitivity to heat health risks for neighborhoods, compare predicted neighborhood sensitivity to heat-related hospitalization rates, and estimate relative risk of hospitalizations for neighborhoods. In the second case study, I unpack the history and geography of land use/land cover change, urban development and marginalization of minorities that created the metropolitan region's urban heat island and consequently, the present conditions of extreme heat exposure and vulnerability in the urban core. The third study uses computational microclimate modeling to evaluate the potential of a vegetation-based intervention for mitigating extreme heat in an urban core neighborhood. Several findings relevant to extreme heat vulnerability emerge from the case studies. First, two main socio-demographic groups are found to be at higher risk for heat illness: low-income minorities in sparsely-vegetated neighborhoods in the urban core, and the elderly and socially-isolated in the expansive suburban fringe of Maricopa County. The second case study reveals that current conditions of heat exposure in the region's urban heat island are the legacy of historical marginalization of minorities and large-scale land-use/land cover transformations of natural desert land covers into heat-retaining urban surfaces of the built environment. Third, summertime air temperature reductions in the range 0.9-1.9 °C and of up to 8.4 °C in surface temperatures in the urban core can be achieved through desert-adapted canopied vegetation, suggesting that, at the microscale, the urban heat island can be mitigated by creating vegetated park cool islands. A synthesis of the three case studies using the urban political ecology framework argues that climate changed-induced heat hazards in cities must be problematized within the socio-ecological transformations that produce and reproduce urban landscapes of risk. The interdisciplinary approach to heat hazards in this dissertation advances understanding of the social and ecological drivers of extreme heat by drawing on multiple theories and methods from sociology, urban and Marxist geography, microclimatology, spatial epidemiology, environmental history, political economy and urban political ecology.
ContributorsDeclet-Barreto, Juan (Author) / Harlan, Sharon L (Thesis advisor) / Bolin, Bob (Thesis advisor) / Hirt, Paul (Committee member) / Boone, Christopher (Committee member) / Arizona State University (Publisher)
Created2013
Description
For the death penalty to be justified, it must be reserved for the worst of the worst. In his 2011 study of Connecticut's death penalty system, however, John Donohue found that arbitrariness and discrimination are defining features. Donohue's finding that non-white defendants whose victims were white are six times more likely to receive the death penalty indicates that race is more a predictor of a death sentence than the egregiousness of the crime. An analysis of capital sentencing outcomes in Maricopa County, Arizona reveals that the race of the victim is not related to the likelihood of receiving a death sentence, but the race of the defendant is. Use of Qualitative Comparative Analysis (QCA), logistic regression, and an egregiousness calculation are employed to analyze capital sentencing trial outcomes in Maricopa County from 2009 through 2011. This triangulated approach is applied to test three theoretically-derived models - the Donohue model, the Illinois Commission model, and the Functional model. The findings indicate that during the given time period in Maricopa County, the race of the defendant was statistically significant in cases with low to mid-levels of egregiousness, but was no longer significant in the most egregious cases. The results also reveal that the most egregious cases, typically indicated by the presence of a prior conviction and multiple victims, are nearly five times more likely to result in an outcome of death. While the results of this study are suggestive only, because of the small sample size and the relatively brief duration of time studied, the conclusions presented aim to provoke further inquiry into states' death penalty systems to address Donohue's allegation of unconstitutional application nationwide. Through a drastic reduction of death-eligibility factors, implementation of a transparent plea bargaining protocol in which the presence of certain aggravating factors preempts the possibility of a plea, and equal funding for prosecutor and defense offices, the death penalty in this country could begin to target the worst of the worst.
ContributorsTraywick, Margo (Author) / Provine, Doris Marie (Thesis advisor) / Baich, Dale (Committee member) / Martin, Nathan (Committee member) / Arizona State University (Publisher)
Created2012
Description
Maricopa County is the home of the Phoenix metropolitan area, an expansive city with serious air quality concerns. To ameliorate air quality in the county, the Maricopa County Air Quality Department developed a website and mobile application called "Clean Air Make More" as a means of outreach and engagement. In doing this, the county has found a way to engender a bilateral relationship between individuals and their government agency. This study analyzes the effectiveness of Clean Air Make More in establishing this relationship and engaging the community in efforts to improve air quality. It concludes that the design of the application effectively meets user needs, but marketing efforts should target populations disposed to taking action regarding air quality.
ContributorsLapoint, Maggie Lane (Author) / Johnston, Erik W., 1977- (Thesis director) / Hondula, David M. (Committee member) / Barrett, The Honors College (Contributor) / W. P. Carey School of Business (Contributor) / School of International Letters and Cultures (Contributor)
Created2015-05
ContributorsEvans, Bartlett R. (Conductor) / Schildkret, David (Conductor) / Glenn, Erica (Conductor) / Concert Choir (Performer) / Chamber Singers (Performer) / ASU Library. Music Library (Publisher)
Created2018-03-16
Description
The Community Action Research Experiences (CARE) Program collaborated with Maricopa Association of Government to assess the needs of domestic violence victim advocates in Maricopa County to determine how their work could be enhanced through additional advocacy training and support services. Data were collected from 87 participants over a one-month period by distribution of an electronic survey. Sixty participants completed the survey, and 27 partially completed the survey. Only the data received from the 60 participants who completed the survey were used in reporting the results. The results indicated a perceived need for more training for advocates, specifically for advocates during their first year on the job. The results also indicated that while domestic violence victim advocates work in different agencies, they expressed significant interest in working collaboratively with advocates from other fields to increase cooperation and coordination among agencies to ensure that victims receive the best possible services.
ContributorsSilva, Nathalea (Author) / Bodman, Denise (Thesis director) / Dumka, Larry (Committee member) / Tenney, Renae (Committee member) / Barrett, The Honors College (Contributor) / College of Liberal Arts and Sciences (Contributor)
Created2012-12
ContributorsOwen, Ken (Conductor) / McDevitt, Mandy L. M. (Performer) / Larson, Brook (Conductor) / Wang, Lin-Yu (Performer) / Jacobs, Todd (Performer) / Morehouse, Daniel (Performer) / Magers, Kristen (Performer) / DeGrow, Gary (Performer) / DeGrow, Richard (Performer) / Women's Chorus (Performer) / Sun Devil Singers (Performer) / ASU Library. Music Library (Publisher)
Created2004-03-24
ContributorsMetz, John (Performer) / Sowers, Richard (Performer) / Collegium Musicum (Performer) / ASU Library. Music Library (Publisher)
Created1983-01-29
ContributorsEvans, Bartlett R. (Conductor) / Glenn, Erica (Conductor) / Steiner, Kieran (Conductor) / Thompson, Jason D. (Conductor) / Arizona Statesmen (Performer) / Women's Chorus (Performer) / Concert Choir (Performer) / Gospel Choir (Conductor) / ASU Library. Music Library (Publisher)
Created2019-03-15
ContributorsKillian, George W. (Performer) / Killian, Joni (Performer) / Vocal Jazz Ensemble (Performer) / ASU Library. Music Library (Publisher)
Created1992-11-05
ContributorsButler, Robb (Conductor) / McCreary, Kimilee (Conductor) / Bakko, Nicki L. (Conductor) / Schreuder, Joel (Conductor) / Larson, Matthew (Performer) / Ortman, Mory (Performer) / Graduate Chorale I (Performer) / Graduate Chorale II (Performer) / ASU Library. Music Library (Publisher)
Created1999-12-02