Current transportation methods within the Central Arizona region revolve primarily around automobiles. In order for the region to become more economically resilient and environmentally sustainable, alternative transportation methods must be considered. One such alternative that has shown great promise in other regions of the United States is rail transport. Rail transport, including commuter rail or high speed rail, has proven to not only be an effective alternative to automobile transport, but also as a more environmentally sustainable transportation option. The I-11 Super Corridor study, a part of the University of Arizona’s Sustainable City Project 2014, applied next generation urban planning design ideas to the planned Interstate 11 corridor, a major transportation artery that will connect Mexico and Canada. This study inspired this project’s focus on the concept of identifying suitable routes for new transportation infrastructure within the central and southern Arizona regions. Through the incorporation of commuter or high speed rail within central and southern Arizona, a more resilient regional economy and environment can be created. The previous I-11 Super Corridor study presented the incorporation of different regional factors, including population density and economic statistics, to determine suitable routes for future transportation corridors. This project integrates the utilization of specific local and regional data and advanced GIS analysis to determine suitable routes for new rail transport corridors within Maricopa, Pinal and Pima Counties.

No description available.

abstract: Irrigation agriculture has been heralded as the solution to feeding the world's growing population. To this end, irrigation agriculture is both extensifying and intensifying in arid regions across the world in an effort to create highly productive agricultural systems. Over one third of modern irrigated fields, however, show signs of serious soil degradation, including salinization and waterlogging, which threaten the productivity of these fields and the world's food supply. Surprisingly, little ecological data on agricultural soils have been collected to understand and address these problems. How, then, can expanding and intensifying modern irrigation systems remain agriculturally productive for the long-term? Archaeological case studies can provide critical insight into how irrigated agricultural systems may be sustainable for hundreds, if not thousands, of years. Irrigation systems in Mesopotamia, for example, have been cited consistently as a cautionary tale of the relationship between mismanaged irrigation systems and the collapse of civilizations, but little data expressly link how and why irrigation failed in the past. This dissertation presents much needed ecological data from two different regions of the world - the Phoenix Basin in southern Arizona and the Pampa de Chaparrí on the north coast of Peru - to explore how agricultural soils were affected by long-term irrigation in a variety of social and economic contexts, including the longevity and intensification of irrigation agriculture. Data from soils in prehispanic and historic agricultural fields indicate that despite long-lived and intensive irrigation farming, farmers in both regions created strategies to sustain large populations with irrigation agriculture for hundreds of years. In the Phoenix Basin, Hohokam and O'odham farmers relied on sedimentation from irrigation water to add necessary fine sediments and nutrients to otherwise poor desert soils. Similarly, on the Pampa, farmers relied on sedimentation in localized contexts, but also constructed fields with ridges and furrows to draw detrimental salts away from planting surfaces in the furrows on onto the ridges. These case studies are then compared to failing modern and ancient irrigated systems across the world to understand how the centralization of management may affect the long-term sustainability of irrigation agriculture. / Dissertation/Thesis / Ph.D. Anthropology 2013

Class of 2006 Abstract / Objectives: To determine acceptance rate of pharmacist recommendation in an interdisciplinary chronic pain clinic. Subjects: Veterans enrolled in the Southern Arizona Veterans Administration Health Care System (SAVAHCS) Methods: The study will be a retrospective chart review. Data will be collected from electronic medical records. Included in this database are demographics, consult notes, medication history, and physician visits. Information unavailable will be medical care received outside the SAVAHCS closed system that is not disclosed by the patient. Number and types of recommendations, as well as acceptance of these options by the primary care provider will be calculated. Results: The number and type of recommendations initiated within 30 days will be calculated; and acceptance rates will be compared pre and post changes in the format of relaying these recommendations. Implications: The results will determine whether changing how the recommendation is presented to patients primary care providers (by the pharmacist) will affect acceptance rate.

Class of 2017 Abstract / Objectives: To determine the efficacy and toxicity of fluorouracil/leucovorin/oxaliplatin (FOLFOX) versus capecitabine/oxaliplatin (XELOX) in the treatment of colorectal cancer (CRC) in the adjuvant (aCRC) and metastatic (mCRC) setting in Veterans at the Southern Arizona Veteran Affairs Health Care System (SAVAHCS). Methods: A retrospective chart review was conducted to collect efficacy and toxicity data. Subjects were included based on age, treatment setting and regimen in the preset 5-year period, and appropriate diagnosis via International Classification of Diseases-Revision 9 (ICD-9) codes. Efficacy was measured via 1-year disease-free survival (DFS) for aCRC, progression-free survival (PFS) for mCRC, and overall survival (OS) for both settings. Results: A total of 79 subjects were initially enrolled with 51 and 54 all-male subjects included in the efficacy and toxicity analysis, respectively. Mean range of age was 63-72 years old. Subjects were divided into four groups: FOLFOX aCRC (17) and mCRC (19), XELOX aCRC (10) and mCRC (8). No difference was found in 1-year DFS and OS between aCRC groups, and PFS between mCRC groups; a higher incidence of 1-year OS with FOLFOX in the mCRC setting was noted (p = 0.03). No difference was found in toxicity between FOLFOX and XELOX, except a higher incidence of hand-foot syndrome in XELOX (p = 0.0007). Conclusions: Efficacy between FOLFOX and XELOX in aCRC and mCRC is similar, while toxicity is slightly more prevalent in XELOX due to increased hand-foot syndrome incidence. These findings agreed with the results reported by prospective clinical trials.

Nine beryllium deposits were studied in order to determine the geological environment of beryllium mineralization in southern Arizona. Beryllium occurs in two pegmatite areas, two contact metamorphic deposits, two quartz-tungsten veins, two quartz-feldspar veins, and in one quartz monzonite stock. It is associated in almost all of these deposits with purple fluorite and tungsten. Beryllium mineralization is associated with granitic and quartz monzonite intrusions of Laramide age, and generally occurs at the intersection of northwest-trending lineaments and the Texas lineament.

No description available.

The Pantano Formation comprises 1,250 m of alluvial, fluvial, lacustrine, and volcanic rocks deposited in a basin formed in response to regional extension during mid- Tertiary time in southeastern Arizona. During deposition, the locations and composition of sediment source areas varied as contemporaneous uplift occurred adjacent to the basin. The lower half of the formation was deposited as alluvial fans that prograded northward, westward, and southward; the upper half was deposited during southwestward retreat of alluvial fan deposition and the onset of lacustrine deposition. An andesite flow separates the two depositional regimes. Radiometric dates of 24.4 ± 2.6 m.y. B.P. for the andesite and 36.7 ± 1.1 m.y. B.P. for a rhyolitic tuff disconformably underlying the formation indicate that deposition occurred during Oligocene to early Miocene time. Proper stratigraphic sequencing and description, paleocurrent analysis, and gravel provenance study aided in understanding the depositional history of the formation.

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