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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
21

Spatial and Temporal Variations in Hydroclimatic Variables Affecting Streamflow across Western Canada

Linton, Hayley Christina 25 April 2014 (has links)
A large portion of the freshwater in western Canada originates as snowpack from the northern Rocky Mountains. The temperature and precipitation in these areas controls the amount of snow accumulated and stored throughout the winter, and the amount and timing of melt that occurs during the spring freshet. Therefore, a better understanding of past and future changes to the extent of snowpack and timing of melt can modify the timing of peak river flow on a continental scale. Trends in temperature, precipitation, snow accumulation, and snowmelt are examined using the Mann-Kendall non-parametric test on a high resolution gridded climate dataset over western Canada for the period 1950-2010. In addition, projected changes in temperature, precipitation, snow water equivalent, and snowmelt are examined through comparison of the current (1971-2000) and future (2041-2070) time periods incorporating several regional climate models. The temporal and spatial analyses of these key hydroclimatic variables indicate that changes vary greatly over space and time. Results reveal that while both maximum and minimum temperature have increased in the past 60 years, minimum temperature has increased more than maximum temperature and is likely to continue doing so in the future. This trend is particularly evident during the colder months of the year, and at higher elevations, contributing to earlier spring melt. Between 1950 and 2010, precipitation has decreased throughout the colder months of the year and increased in the warmer months, particularly in the northern half of the study area. Future projections show increased precipitation, specifically in the north. Throughout the historical period snow accumulation has experienced decreases across the study area and through all months of the year, except for increases at high elevations. In the coldest months of the year snow accumulation is projected to increase in high elevation and northern areas while decreasing across the rest of study area in the future. Snowmelt results indicate slight increases in mid-winter melt events and an earlier onset of the spring freshet; this change is expected to continue into the future period. This study provides a summary of detected trends and potential future changes in key hydroclimatic variables across western Canada with regard to the effects these changes can have on the spring freshet and streamflow, and thus water resources, throughout the study area. / Graduate / 0368
22

"Les gens de cette place": Oblates and the Evolving Concept of Métis at Île-à-Crosse, 1845-1898

Foran, Timothy P. 21 April 2011 (has links)
This dissertation examines the construction and evolution of categories of indigeneity within the context of the Oblate (Roman Catholic) apostolate at Île-à-Crosse in present-day north-western Saskatchewan between 1845 and 1898. While focusing on one central mission station, this study illuminates broad historical processes that informed Oblate perceptions and impelled their evolution over a fifty-three-year period. In particular, this study illuminates processes that shaped Oblate concepts of sauvage and métis. It does this through a qualitative analysis of missionary correspondence, mission records and published reports. In the process, this dissertation challenges the orthodox notion that Oblate commentators simply discovered and described a singular, empirically existing and readily identifiable Métis population. Rather, this dissertation contends that Oblates played an important role in the conceptual production of les métis.
23

Land, class formation, and state consolidation in Winnipeg, 1870-1885

Velasco, Gustavo F. 06 April 2011 (has links)
The organization of Winnipeg from 1870 until 1885 can be described as an intense period of spatial transformation and expansion. After the Hudson’s Bay Company (HBC) surrendered Rupert’s Land and the North-West Territories to the Crown in 1870, the re-formulation of land tenure transformed the urban space. Different actors in the still young and small community used diverse mechanisms to secure common land as private property allowing the formation of a dynamic real estate market. During those years Winnipeg expanded rapidly and the availability of city lots soon became limited. Lot prices soared and land transformed into a commodity generated the conditions for the reproduction and circulation of capital in the city. The arrival of investors and financial institutions helped to create the real estate boom of 1881-82 and transform a small village into a modern capitalist city. By 1885, Winnipeg was ready to initiate an uneven and fast transition to industrial capitalism.
24

The report on unemployment and relief in western Canada, 1932: Charlotte Whitton, R.B. Bennett and the federal response to relief

Ulmer, Catherine Mary 01 September 2009 (has links)
This thesis is about Charlotte Whitton’s advisory role to Conservative Prime Minister R.B. Bennett during the summer and fall of 1932 researching and producing the only official report on unemployment and relief ever commissioned by the Bennett administration during the Great Depression. By 1932, the collapse of Bennett’s previous relief policies convinced him to reconsider his approach to relief. At Bennett’s behest, Charlotte Whitton, one of Canada’s most prominent social workers, undertook a June to August tour of Western Canada, observing how each province experienced and dealt with unemployment and relief. Whitton then prepared a report for Bennett which informed him of her observations and made specific recommendations for how Canada’s relief system could be reformed. Her final product, however, was far from an impartial policy document. As this thesis argues, Whitton’s report was a biased document which reveals as much about Whitton’s personal ideology and professional ambitions as it does the conditions facing the Western provinces; the observations and suggestions contained within it were heavily conditioned by Whitton’s pre-existing belief in social and fiscal conservatism. Although Whitton’s tour allowed her a first-hand view of the amount of poverty and despair faced by Canada’s unemployed, as this thesis argues, her beliefs conditioned her response and nothing she encountered changed her hard-line, traditionalist approach to relief. Yet, while Whitton’s report reveals much about its author, as this thesis contends, an analysis of Bennett’s reaction to it also sheds light on Bennett’s approach to unemployment and relief during this time. His commissioning of the report marks a moment three years before his New Deal legislation when Bennett pondered reforming the relief system. Yet, instead of taking action, Bennett did nothing to change the status quo. While Whitton’s conservative report certainly agreed with his personal assessment of relief and unemployment in Canada, her central suggestion, that professional social workers be placed in charge of Canada’s relief system at all levels to increase efficiency and curtail abuse, was still too costly for Bennett to implement. His failure to seize on this earlier opportunity to introduce a solution to Canada’s unemployment issues challenges the sincerity of his New Deal legislation, and his claims to support reform.
25

Being young in the country: settler children and childhood in British Columbia and Alberta, 1860-1925.

Bridge, Kathryn Anne 03 August 2012 (has links)
This dissertation demonstrates that the voices of children and the experiences of childhood provide important new perspectives about the settler societies in British Columbia and Alberta during the period 1860 – 1925. It employs a combination of direct quotations from individual children and analysis across the cohort of one hundred historical children as a means to explore both individual personalities and shared child perspectives of childhood. Child-created diaries and correspondence were selected as the principal documentation in this study as a deliberate strategy to privilege children and to enable clear child-centred voices unmixed with those of adults. The intent is to reveal child-centred understandings about the physical and emotional aspects of growing up in Western Canada that are set within the contexts of specific communities, of family life, of sibling relationships, of friendships and separations. Some significant findings include the phenomenon of boarding school within the childhood experience and the realization that many settler children spent childhoods away from family, the difficulty boys shared in achieving masculinity, and the importance placed by girls and boys on charting and comparing their physical growth and attainment of child-centred milestones of achievement. / Graduate
26

Spatial and Temporal Variations in Hydroclimatic Variables Affecting Streamflow across Western Canada

Linton, Hayley Christina 25 April 2014 (has links)
A large portion of the freshwater in western Canada originates as snowpack from the northern Rocky Mountains. The temperature and precipitation in these areas controls the amount of snow accumulated and stored throughout the winter, and the amount and timing of melt that occurs during the spring freshet. Therefore, a better understanding of past and future changes to the extent of snowpack and timing of melt can modify the timing of peak river flow on a continental scale. Trends in temperature, precipitation, snow accumulation, and snowmelt are examined using the Mann-Kendall non-parametric test on a high resolution gridded climate dataset over western Canada for the period 1950-2010. In addition, projected changes in temperature, precipitation, snow water equivalent, and snowmelt are examined through comparison of the current (1971-2000) and future (2041-2070) time periods incorporating several regional climate models. The temporal and spatial analyses of these key hydroclimatic variables indicate that changes vary greatly over space and time. Results reveal that while both maximum and minimum temperature have increased in the past 60 years, minimum temperature has increased more than maximum temperature and is likely to continue doing so in the future. This trend is particularly evident during the colder months of the year, and at higher elevations, contributing to earlier spring melt. Between 1950 and 2010, precipitation has decreased throughout the colder months of the year and increased in the warmer months, particularly in the northern half of the study area. Future projections show increased precipitation, specifically in the north. Throughout the historical period snow accumulation has experienced decreases across the study area and through all months of the year, except for increases at high elevations. In the coldest months of the year snow accumulation is projected to increase in high elevation and northern areas while decreasing across the rest of study area in the future. Snowmelt results indicate slight increases in mid-winter melt events and an earlier onset of the spring freshet; this change is expected to continue into the future period. This study provides a summary of detected trends and potential future changes in key hydroclimatic variables across western Canada with regard to the effects these changes can have on the spring freshet and streamflow, and thus water resources, throughout the study area. / Graduate / 0368
27

"Les gens de cette place": Oblates and the Evolving Concept of Métis at Île-à-Crosse, 1845-1898

Foran, Timothy P. January 2011 (has links)
This dissertation examines the construction and evolution of categories of indigeneity within the context of the Oblate (Roman Catholic) apostolate at Île-à-Crosse in present-day north-western Saskatchewan between 1845 and 1898. While focusing on one central mission station, this study illuminates broad historical processes that informed Oblate perceptions and impelled their evolution over a fifty-three-year period. In particular, this study illuminates processes that shaped Oblate concepts of sauvage and métis. It does this through a qualitative analysis of missionary correspondence, mission records and published reports. In the process, this dissertation challenges the orthodox notion that Oblate commentators simply discovered and described a singular, empirically existing and readily identifiable Métis population. Rather, this dissertation contends that Oblates played an important role in the conceptual production of les métis.
28

Authigenic carbonate burial and its impact on the global carbon cycle: a case study from late Devonian strata of the Western Canada Sedimentary Basin

Gazdewich, Sean 10 August 2020 (has links)
It has been hypothesized that authigenic carbonate minerals, formed within the pore spaces of marine siliciclastic formations during early diagenesis, may have had a substantial influence on the global carbon cycle, particularly in times of low oxygen in Earth history. According to this idea, alkalinity is generated via anaerobic organic matter degradation, resulting in carbonate oversaturation and the precipitation of low δ13C carbonate cements. If a substantial amount of 13C-depleted carbonate was sequestered in this authigenic sink, the δ13C of dissolved inorganic carbon (DIC) in the global ocean would be driven to more positive values without significant organic carbon burial - a signal which would be recorded in marine carbonates. Research presented herein tests this hypothesis from newly acquired lithostratigraphic and coupled stable carbon and oxygen isotope data of Upper Devonian limestone and black shale formations preserved within the Western Canada Sedimentary Basin. The Late Devonian includes a mass-extinction event, and is characterized by pervasive ocean anoxia and a dramatic reduction in platformal carbonate sediment deposition. As such, it has been hypothesized to represent an ideal time for the emergence of an active authigenic carbonate sink. Results show that both basinal shale (Besa River and Exshaw formations) and platform carbonates (Wabamun Group and its equivalents), record a δ13C signal that is within the expected range of Devonian seawater (3‰ to -2‰), signifying that precipitated authigenic carbonate had no influence on the isotopic composition of DIC. It was observed, however, that evaporitic depositional settings can accumulate carbonate sediment with low δ13C values (down to -8.4‰), potentially caused by local water column organic matter respiration during prolonged water-mass residence in a restricted marginal marine setting. If such depositional environments were globally pervasive, such as during during global sea-level lows, it is plausible that the carbon isotope mass balance would be affected. / Graduate / 2021-06-18
29

The Postglacial Population Spread of Picea Mariana, Picea Glauca, and Pinus Banksiana Across the Western Interior of Canada

McLeod, T. Katherine 09 1900 (has links)
<p> In this thesis, the postglacial spread of three ecologically distinct species, Picea mariana (black spruce), Picea glauca (white spruce), and Pinus banksiana (jack pine), across the western interior of Canada are presented. The fossil pollen records from the sediments of thirteen lakes are used in reconstructing the population expansions of the three tree taxa. The objectives of this study are to examine temporal and spatial patterns in the growth of the populations and to determine if intraspecific and interspecific variations exist across a range of latitudes and elevations.</p> <p> Pollen accumulation rates (PAR) are calculated from pollen grain counts and sedimentation rates throughout the early-to mid-Holocene, and are used to represent the population level at the time of pollen deposition. Exponential equations are used to calculate population growth rates. Three dimensional diagrams (time, space, abundance) are constructed to illustrate the spread of the populations.</p> <p> The rates of population growth varied from south to north for all three species. Jack pine, on average had slower population growth rates, and its expansion across the region began over 3,000 years later than, and lasted approximately 1,000 years longer than the two spruce species. All three tree taxa experienced reduced rates of population growth at high elevation sites in the north. These variations are examined in light of the changing and static physical and botanical environmental conditions occurring during expansion.</p> / Thesis / Master of Science (MSc)
30

Norway House: Economic Opportunity and the Rise of Community, 1825-1844.

McKillip, James D. 10 January 2012 (has links)
This dissertation argues that the Hudson’s Bay Company depot that was built at Norway House beginning in 1825 created economic opportunities that were sufficiently strong to draw Aboriginal people to the site in such numbers that, within a decade of its establishment, the post was the locus of a thriving community. This was in spite of the lack of any significant trade in furs, in spite of the absence of an existing Aboriginal community on which to expand and in spite of the very small number of Hudson’s Bay Company personnel assigned to the post on a permanent basis. Although economic factors were not the only reason for the development of Norway House as a community, these factors were almost certainly primus inter pares of the various influences in that development. This study also offers a new framework for the conception and construction of community based on documenting day-to-day activities that were themselves behavioural reflections of intentionality and choice. Interpretation of these behaviours is possible by combining a variety of approaches and methodologies, some qualitative and some quantitative. By closely counting and analyzing data in archival records that were collected by fur trade agents in the course of their normal duties, it is possible to measure the importance of various activities such as construction, fishing and hunting. With a clear understanding of what people were actually doing, it is possible to interpret their intentions in the absence of explicit documentary evidence.

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