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Role of Circular Economy in the Indigenous Built Environment: An Assessment of Design and Construction Potential of Circular Building Materials in an American Indian CommunityJanuary 2020 (has links)
abstract: This thesis intends to help inform American Indian nations’ decision making related to housing. The study recognizes the urgent need for housing solutions that fit the needs of a community as well as benefit the overall ecosystem. One model that can offer guidance is the Circular Economy (CE) model. A well-thought-out CE process can provide housing solutions that are economically, socially, and environmentally sustainable. It also stimulates the local economy by strategically introducing positive changes. This research identifies the construction potential of available circular materials as compared to more contemporary building materials. It then recommends a closed-loop circular model that utilizes the community’s existing infrastructure to develop affordable housing. The proposed CE model operates within the built environment, stimulating local employment while catering to the needs of the residents. Such an approach can prove to be beneficial for the local community and perhaps scalable to the global economy. / Dissertation/Thesis / Masters Thesis Construction Management 2020
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Maximal Respiratory Pressure Reference Values for Navajo Children Ages 6-14Arnall, David A., Nelson, Arnold G., Owens, Beatrice, Iranzo, Maria Dels Àngels CebriàI., Sokell, Geri Ann, Kanuho, Verdell, Interpreter, Christina, Coast, J. Richard 01 August 2013 (has links)
Background Since anthropometric variables are critical to the creation of pulmonary nomograms for FVC, FEV1, and other volumes and capacities, it is logical that anthropometric variables also influence the values of the maximal respiratory pressures (MRPs). Since nomograms are race-specific, it is important that tribe-specific tables of normal maximal inspiratory pressure (MIP) and maximal expiratory pressure (MEP) be developed. To date normal tables for MRPs do not exist for Navajo children. Objective Therefore the purpose of this study was to derive MRP normative reference values for Navajo children in the age range of 6-14 years. Methods - Participants and Measurements A cross-sectional study was undertaken with a representative sample of 534 healthy children, ages 6-14 years, attending Navajo Nation elementary schools in Arizona. MIP and MEP were measured. Results Test results from 275 girls and 259 boys met American Thoracic Society quality control standards and showed that MRPs all increased with height. Mean MIP in cm H2O was 77 for boys and 67 for girls with lower limits of 44 and 40, respectively. Mean MEP in cm H2O was 75 for boys and 66 for girls with the lower limits of 42 and 38, respectively. Conclusion Since the data were collected from the population of interest, the resulting MIP and MEP reference equations should be used when testing Navajo children ages 6-14 years.
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Maximal Respiratory Pressure Reference Values for Navajo Children Ages 6-14Arnall, David A., Nelson, Arnold G., Owens, Beatrice, Iranzo, Maria Dels Àngels CebriàI., Sokell, Geri Ann, Kanuho, Verdell, Interpreter, Christina, Coast, J. Richard 01 August 2013 (has links)
Background Since anthropometric variables are critical to the creation of pulmonary nomograms for FVC, FEV1, and other volumes and capacities, it is logical that anthropometric variables also influence the values of the maximal respiratory pressures (MRPs). Since nomograms are race-specific, it is important that tribe-specific tables of normal maximal inspiratory pressure (MIP) and maximal expiratory pressure (MEP) be developed. To date normal tables for MRPs do not exist for Navajo children. Objective Therefore the purpose of this study was to derive MRP normative reference values for Navajo children in the age range of 6-14 years. Methods - Participants and Measurements A cross-sectional study was undertaken with a representative sample of 534 healthy children, ages 6-14 years, attending Navajo Nation elementary schools in Arizona. MIP and MEP were measured. Results Test results from 275 girls and 259 boys met American Thoracic Society quality control standards and showed that MRPs all increased with height. Mean MIP in cm H2O was 77 for boys and 67 for girls with lower limits of 44 and 40, respectively. Mean MEP in cm H2O was 75 for boys and 66 for girls with the lower limits of 42 and 38, respectively. Conclusion Since the data were collected from the population of interest, the resulting MIP and MEP reference equations should be used when testing Navajo children ages 6-14 years.
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Discriminant Analysis of XRF Data from Sandstones of Like Facies and Appearance: A Method for Identifying a Regional Unconformity, Paleotopography,and Diagenetic HistoriesPhillips, Stephen Paul 29 September 2012 (has links) (PDF)
The placement of an unconformable surface within a stratal succession affects the interpreted thickness of units and sequences in contact with that surface. Unit thickness influences the interpretation of basin subsidence, paleotopography, diagenesis, and depositional style. Accurate placement of an unconformity results in true formational thicknesses for formations associated with that unconformity. True thicknesses aid in producing more precise surface to subsurface correlations, isopach maps, and paleogeographic maps. An unconformity may be difficult to identify in the stratal succession due to similar rocks above and below the unconformity and the presence of multiple candidate surfaces. Using statistical discriminant analysis of XRF data, formations bounding an unconformity can be discriminated by elemental composition which results in delineation of the associated unconformity. This discrimination is possible even for rocks that do not have significant differences in provenance if they have experienced distinct diagenetic histories. Elemental differences can be explained by quantity and type of cement. Three discriminant models were created. These models were tested with samples from three formations of similar facies, appearance, and provenance that are all associated with the same regional unconformity. All data, regardless of location, facies, or tectonic feature were used to create the first model. This model achieved moderate success by correctly classifying 80% of known samples. In a second model, data were grouped by facies trends. Separating the data by facies resulted in 94% of known samples being correctly classified. This model was most useful for delineation of an unconformity and discrimination of formations. A third model based solely on location or local tectonic feature produced the best results statistically. 96% of known samples were classified correctly. This third model does not compare locations to each other, thus making it less robust. This last model contributes by adding detail to interpretations made with the facies trend model.
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Eclogites and eclogites: Oxygen isotope evidence of a shared subduction origin for Franciscan eclogites and Moses Rock eclogite xenolithsHoover, William F. 03 June 2014 (has links)
No description available.
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The Nucleation and Evolution of Riedel Shear Zones as Deformation Bands in Porous SandstoneAhlgren, Stephen G. January 1999 (has links)
Riedel shear zones are geometric fault patterns commonly associated with strike-slip fault systems. The progressive evolution of natural Riedel shear zones within the Navajo Sandstone of southern Utah is interpreted from the spatial evolution of small-scale, incipient Proto-Riedel Zones (PRZs) to better-developed Riedel shear zones using field mapping and three-dimensional digital modeling. PRZs nucleate as a tabular zone of localized shearing marked by en èchelon deformation bands, each of which is no more than a few mm wide and tens of cm long, and oriented at 55° - 85° to the trend of the zone. With increasing strain, deformation bands and sedimentary markers are sheared ductily through granular flow and assume a sigmoidal form. The temporal and spatial evolution of bands comprising a Riedel shear zone suggests that PRZs nucleate as transitional-compactional deformation bands under localized, supra-lithostatic fluid pressure. Subsequent bands develop under modified regional stresses as conjugate shear fractures within the strain- hardened axis of the PRZ. These antithetic driven systems are not compatible with traditional synthetic driven models of Riedel shear zones. Unlike most synthetic driven examples, these antithetic driven systems are not controlled by preexisting "basement" structures, thus their geometries reflect a primary propagation or secondary passive deformation mechanism.
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We've been here before women in creation myths and contemporary literature of the Native American southwest /Moss, Maria. January 1993 (has links)
Thesis (Ph. D.)--Universität Hamburg, 1993. / Includes bibliographical references (p. 198-212).
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A History of Mormon Missionary Work With the Hopi, Navaho and Zuni IndiansFlake, David Kay 01 January 1965 (has links) (PDF)
Through their contacts with the Utes and other local tribes the Mormon people became aware of the presence of the Hopis, Navahos and Zunis soon after their arrival in the Great Salt Lake Valley in 1847. Their first actual contact with the Navahos occurred in connection with their Elk Mountain Indian Mission near what is now Moab, Utah, in 1855. During that same year another Indian mission was established in the Cedar City area called the Southern Indian Mission. As president of this mission in 1858, Jacob Hamblin led the first exploring-missionary party to the Hopi villages. Succeeding visits to the Hopis to do missionary work continued almost annually thereafter and some friendships were also formed with the Navahos. Most early connections with the Navahos, however, were of a protective nature and a precarious peace was kept with this tribe largely through the efforts of Hamblin.In 1875-76 the first permanent Mormon settlements were established in Arizona and several years later in New Mexico. The early settlers continued the attempt to convert the natives. Missionary work among the Hopis continued, many Navahos were brought into the Church, and in New Mexico the Gospel was carried to the Zunis. An important Navaho mission, mostly protective in nature, was set up in the San Juan Basin in southeastern Utah in 1880.After an intensive decade of proselyting and conversions all organized missionary efforts among these tribes were abandoned. Many possible reasons are presented for this abandonment which include cultural differences, language problems, economic hardships among the Mormons and internal problems within the Church. Some individual missionary efforts occurred during this period and Mormon-Indian friendships were fostered and maintained.In 1936 organized missionary work was again undertaken. Most notable was the efforts of the Snowflake Stake with the Hopis and Navahos. The St. Johns and Young Stakes also did some work with the Navahos during this period. In 1943 the Navaho-Zuni was organized, principally from the Young Stake Indian Mission. Ralph W. Evans was President of this new mission and a year later he was given the responsibility of the Indian missionary work of the Snowflake Stake Mission. The Navaho-Zuni Mission grew slowly during its first four years, partly due to the wartime situation and also because the Church was not wholly convinced that the Indians were ready for the Gospel. By 1947 most of these problems had been set aside and Indian Missionary work with the Hopis, Navahos and Zunis moved into a new era of proselyting and conversions, one that is still going forward.
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Using Travertine-Cemented Fault Breccias to Understand the Architecture and History of the Gunnison Fault Zone, eastern Basin and Range, UtahMain, Joel 30 December 2015 (has links)
No description available.
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Competitive Groundwater Usage from the Navajo SandstoneDoye, F. H., Roefs, T. G. 05 May 1973 (has links)
From the Proceedings of the 1973 Meetings of the Arizona Section - American Water Resources Assn. and the Hydrology Section - Arizona Academy of Science - May 4-5, 1973, Tucson, Arizona / Groundwater modeling is used to theoretically relate mining pumpage of the Navajo Sandstone to declines in the potentiometric surface at Navajo and Hopi Indian community, domestic, and stock usage locations. The shallow wells on top of Black Mesa are shown to be part of a perched water table condition which is dependent upon the hydraulic conductivity of an aquatard known as the Mancos Shale. The isolation of the aquatard allows the shallow wells to be treated as a problem separate from that of the artesian and recharge areas. Computer modeling of the groundwater system is concerned only with those Indian wells which directly tap the Navajo Sandstone in either artesian or free water table areas. The computer simulation developed is a modified version of the basic artesian aquifer routine used by the Illinois State Water Survey. Computer results correspond with the low percentage of storage withdrawal calculated for the artesian area under Black Mesa.
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