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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.
161

A Study of gas hydrates with ocean-bottom-seismometer data on the East Coast of Canada

Schlesinger, Angela 24 January 2013 (has links)
This dissertation presents a study on velocity modeling using ocean-bottom seismometer data (OBS) collected in 2004 and 2006 on the western Scotian slope. Gas hydrate and free gas concentrations and their distribution along the Scotian margin were derived based on the velocity results modeled with two different OBS data sets. A strong velocity increase (140-300 m/s) associated with gas hydrate was modeled for a depth of 220 m below seafloor (bsf). At the base of that high velocity zone (330 mbsf) the velocity decreases with 50-130 m/s. This depth is associated with the depth of the bottom-simulating reflector (BSR) observed in previous 2-D seismic reflection data. The gas hydrate concentrations (2-18 %) based on these velocities were calculated with an effective medium model. The velocity modeling shows that a sparser OBS spacing (~ 1 km) reveals more velocity uncertainties and smaller velocity contrasts than a denser (100 m) spaced OBS array. The results of the travel-time inverse modeling are applied in a waveform inverse modeling with OBS data in the second part of the thesis. The modeling tests were performed to obtain information on OBS instrument spacings necessary to detect low-concentration gas hydrate occurrences. The model runs show that an increase in instrument spacing leads to an increasing loss of model smoothness. However, large instrument spacings (>500 m) are beneficial for covering a wide target region with only using a few instruments, but decreasing the lateral resolution limits of the subsurface targets. In general half of the instrument spacing defines the lower boundary for the lateral width of the target structure. Waveform modeling with the 2006 OBS data has shown that low frequencies (<8 Hz) in the source spectrum are necessary to recover the background velocity of the model. The starting model derived from travel-time inversion of the 2006 data is not close enough to the true model. Thus the first-arrival waveforms do not match within half a cycle. Modeling with a starting frequency of 8 Hz and and applying data with a low signal-to-noise ratio (1.25) introduces artifacts into the final model result without updating the velocity. / Graduate
162

The Cape Breton fiddling narrative : innovation, preservation, dancing

Herdman, Jessica 11 1900 (has links)
With the fear of decline of the Cape Breton fiddling tradition after the airing of The Vanishing Cape Breton Fiddler by the CBC in 1971, both the Cape Breton community and ethnographers clamored to preserve and maintain the extant practices and discourse. While this allowed for performance contexts and practices to burgeon, it also solidified certain perspectives about the “diasporic preservation” and resultant “authenticity.” This work aims to trace the seeds and developments of the beliefs surrounding the Cape Breton fiddling tradition, from the idealizations of Enlightenment Scotland to the manipulation and commercialization of the folklore and Celticism of twentieth-century Nova Scotia. These contexts romanticized older practices as “authentic,” a construct that deeply impacted the narrative about the Cape Breton fiddling tradition. One of the most rooted and complex concepts in this narrative is that of “old style,” a term that came to represent the idealized performance practice in post-1971 Cape Breton fiddling. As models were sought for younger players to emulate, pre-1971 “master” fiddlers with innovative stylistic approaches began to be identified as “old style” players. The interstices of the tradition allowed more extreme stylistic experimentation to be accepted as “traditional,” while the symbiotic social practice of dancing necessitated relative conservatism. Analysis will show that “listening” tunes fell into the interstices of allowable innovation, while dance (particularly step-dance) tunes demanded certain “old style” techniques. A more holistic view of the complexities of the Cape Breton fiddling tradition follows from a perspective not only of the socio-musical elements that shaped the historical narrative, but also of the musical elements of this dance-oriented “old style.”
163

The Cape Breton fiddling narrative : innovation, preservation, dancing

Herdman, Jessica 11 1900 (has links)
With the fear of decline of the Cape Breton fiddling tradition after the airing of The Vanishing Cape Breton Fiddler by the CBC in 1971, both the Cape Breton community and ethnographers clamored to preserve and maintain the extant practices and discourse. While this allowed for performance contexts and practices to burgeon, it also solidified certain perspectives about the “diasporic preservation” and resultant “authenticity.” This work aims to trace the seeds and developments of the beliefs surrounding the Cape Breton fiddling tradition, from the idealizations of Enlightenment Scotland to the manipulation and commercialization of the folklore and Celticism of twentieth-century Nova Scotia. These contexts romanticized older practices as “authentic,” a construct that deeply impacted the narrative about the Cape Breton fiddling tradition. One of the most rooted and complex concepts in this narrative is that of “old style,” a term that came to represent the idealized performance practice in post-1971 Cape Breton fiddling. As models were sought for younger players to emulate, pre-1971 “master” fiddlers with innovative stylistic approaches began to be identified as “old style” players. The interstices of the tradition allowed more extreme stylistic experimentation to be accepted as “traditional,” while the symbiotic social practice of dancing necessitated relative conservatism. Analysis will show that “listening” tunes fell into the interstices of allowable innovation, while dance (particularly step-dance) tunes demanded certain “old style” techniques. A more holistic view of the complexities of the Cape Breton fiddling tradition follows from a perspective not only of the socio-musical elements that shaped the historical narrative, but also of the musical elements of this dance-oriented “old style.” / Arts, Faculty of / Music, School of / Graduate
164

Colonial adolescence: a study of the Maritime colonies of British North America, 1790-1814

Whiteside, Margaret Susan January 1965 (has links)
The original intention of this thesis was to study the opinions and activities of the Maritime colonies during the War of 1812, in an attempt to explain the colonies' almost neutral position throughout the hostilities. The Maritime attitude has already been explained in terms of economic ties binding the colonies' interests with those of New England. This thesis was therefore directed by a desire to ascertain whether or not such economic interests constituted the dominating influence in Maritime policy or whether there existed equally important influences of a political and social nature. The conclusion attributes Maritime reaction in 1812 to a combination of economic, political, and social factors shaping the colonies' activities during the preceding twenty years. In the course of defining these factors, however, the emphasis shifted from the war itself to the preceding two decades which emerged as a period of experiment and adjustment—a period of confused adolescent fumbling toward the larger powers and responsibilities of adulthood. Into the midst of these struggles the War of 1812 was projected, to be greeted by the Maritimers as an interruption meriting attention only in so far as it could contribute to their provincial interests. In this thesis, therefore, the War of 1812 is presented as but the epilogue illustrating the trend of Maritime interests and policy during the period 1790-1810. It is not the intention of this thesis to view Maritime history strictly in terms of a cyclical development paralleling the human life cycle. However, the contradictory character of the Maritime scene during this period, as the colonies see-sawed between dependency and self-sufficiency in their claims, resembles the confusion of adolescence and the title of Colonial Adolescence was chosen for lack of a better description of this transitional phase. In the study of the Maritime colonies' transitional struggles, this thesis seeks to illustrate how the social-economic complex of a community moulds and is reflected in its political life. Although the period 1790-1814 was one of isolation and individualism for the colonies, the majority of Maritime communities faced similar problems in their struggles for stability and identity. Geography had rendered them an economic unit; the British administration had endowed them with similar political organizations; and settlement had produced similar social problems. This thesis, therefore, treats its subject in terms of basic economic, political, and social situations as they were faced in the Maritimes, with whatever variations each colony might offer. The three chapters dealing with these situations constitute the core of the thesis. In the first chapter an attempt has been made to set the scene of British politics and administration, for it was in this context that the colonies pursued their objectives influenced at all times by the changing fortunes of British politics. The study throughout tends to concentrate upon the mainland colonies of Nava Scotia and New Brunswick, partly because the developments of this period were centered here, since Prince Edward Island remained a backward variant; and partly because the nature of sources dictated such an approach. Research was concentrated mainly upon the Colonial Office records pertaining to Maritime affairs during this period. These included the official correspondence passing between the Colonial Office and the colonial governors, in which the policy of the British administration and its colonial deputies is outlined and colonial reaction commented upon. Also included were the journals of Assembly and Council, shipping statistics, petitions and memorials from individuals and associations in the colonies reflecting something of colonial opinion, needs and activities. These records were supplemented by secondary sources, drawn upon for an outline of British and North American activities and policies; to a more limited extent colonial newspapers and private papers provided contemporary comment on the Maritime scene—but the Maritimers do not emerge from these researches as an articulate lot. / Arts, Faculty of / History, Department of / Graduate
165

Grassroots Community Peacebuilding in Lunenburg County, Nova Scotia, Canada. Identifying Local Perceptions of the Causes of and Means of Preventing Interpersonal Violence

Ross, Nancy M. January 2016 (has links)
The term ‘global peacelessness’ is used to describe the impact of persistently high rates of interpersonal violence throughout the world, and particularly violence against women (Flaherty, 2010). This violence is epidemic and constitutes a global health problem and pervasive human rights violation. Responses are critiqued as narrow in scope, reactive and lacking in coordination. The research presented in this thesis contributes to addressing this gap by exploring measures community citizens from diverse backgrounds defined as important to ending violence. Specifically, the research question asked ‘What do community members of Lunenburg County say about the structural and cultural influences on interpersonal violence?’ It links the field of peace studies with the interpersonal anti-violence field and the field of addiction. The meta-analysis that frames this dissertation asserts that grassroots community peacebuilding will involve defining and connecting measures at the local level that can lead to defining and challenging broad, oppressive cultural and structural factors linked to the persistence of violence at provincial, national, and international levels. Situating interpersonal violence within a peacebuilding framework provides a critical lens that moves from a narrow focus on individual responsibility to include a wider analysis of the origins of violence to include social, cultural, economic, and political factors and ultimately compel a collective community response. This emancipatory function of peacebuilding must include a focus on promotion of environments where boys and men, girls and women, can live safe and satisfying lives that include the development of skills that promote nonviolence and peace.
166

Music and the Making of a Civilized Society: Musical Life in Pre-Confederation Nova Scotia, 1815-1867

Boyd, Michelle 05 January 2012 (has links)
The years 1815 to 1867 marked the first protracted period of peace in Nova Scotia’s colonial history. While the immediate effects of peace were nearly disastrous, these years ultimately marked a formative period for the province. By the eve of Confederation, various social, cultural, political, economic, and technological developments had enabled Nova Scotia to become a mature province with a distinct identity. One of the manifestations of this era of community formation was the emergence of a cosmopolitan-oriented music culture. Although Atlantic trade routes ensured that Nova Scotia was never isolated, the colonial progress of the pre-Confederation era reinforced and entrenched Nova Scotia’s membership within the Atlantic World. The same trade routes that brought imported goods to the province also introduced Nova Scotians to British and American culture. Immigration, importation, and developments to transportation and communication systems strengthened Nova Scotia’s connections to its cultural arbiters – and made possible the importation and naturalization of metropolitan music practices. This dissertation examines the processes of cultural exchange operating between Nova Scotia and the rest of the Atlantic World, and the resultant musical life to which they gave rise. The topic of music-making in nineteenth-century Nova Scotia has seldom been addressed, so one of the immediate aims of my research is to document an important but little-known aspect of the province’s cultural history. In doing so, I situate Nova Scotia’s musical life within a transatlantic context and provide a lens through which to view Nova Scotia’s connectivity to a vast network of culture and ideas. After establishing and contextualizing the musical practices introduced to Nova Scotia by a diverse group of musicians and entrepreneurs, I explore how this imported music culture was both a response to and an agent of the formative developments of the pre-Confederation era. I argue that, as Nova Scotia joined the Victorian march of progress, its musicians, music institutions, and music-making were among the many socio-cultural forces that helped to transform a colonial backwater into the civilized province that on 1 July 1867 joined the new nation of Canada.
167

Music and the Making of a Civilized Society: Musical Life in Pre-Confederation Nova Scotia, 1815-1867

Boyd, Michelle 05 January 2012 (has links)
The years 1815 to 1867 marked the first protracted period of peace in Nova Scotia’s colonial history. While the immediate effects of peace were nearly disastrous, these years ultimately marked a formative period for the province. By the eve of Confederation, various social, cultural, political, economic, and technological developments had enabled Nova Scotia to become a mature province with a distinct identity. One of the manifestations of this era of community formation was the emergence of a cosmopolitan-oriented music culture. Although Atlantic trade routes ensured that Nova Scotia was never isolated, the colonial progress of the pre-Confederation era reinforced and entrenched Nova Scotia’s membership within the Atlantic World. The same trade routes that brought imported goods to the province also introduced Nova Scotians to British and American culture. Immigration, importation, and developments to transportation and communication systems strengthened Nova Scotia’s connections to its cultural arbiters – and made possible the importation and naturalization of metropolitan music practices. This dissertation examines the processes of cultural exchange operating between Nova Scotia and the rest of the Atlantic World, and the resultant musical life to which they gave rise. The topic of music-making in nineteenth-century Nova Scotia has seldom been addressed, so one of the immediate aims of my research is to document an important but little-known aspect of the province’s cultural history. In doing so, I situate Nova Scotia’s musical life within a transatlantic context and provide a lens through which to view Nova Scotia’s connectivity to a vast network of culture and ideas. After establishing and contextualizing the musical practices introduced to Nova Scotia by a diverse group of musicians and entrepreneurs, I explore how this imported music culture was both a response to and an agent of the formative developments of the pre-Confederation era. I argue that, as Nova Scotia joined the Victorian march of progress, its musicians, music institutions, and music-making were among the many socio-cultural forces that helped to transform a colonial backwater into the civilized province that on 1 July 1867 joined the new nation of Canada.
168

Ports of empire : immigration, communication, and cholera in Newfoundland, Nova Scotia and New Brunswick, 1830-1870

Fowler, Madeline Joan January 2013 (has links)
This study explores the relationship between emigration and cholera in British North American port towns, between 1832 and 1866. It focuses specifically on three established and growing port towns located directly off of the Atlantic Ocean – St. John's, Newfoundland, Halifax, Nova Scotia and Saint John, New Brunswick. The pressures of mass immigration from the British Isles, the transmission of highly-feared diseases from emigrant and cargo ships to port towns in British North America, and the dependence, vulnerability and constraints felt by colonial governments and their citizens are three important themes that emerge and are continually challenged throughout this dissertation. This thesis presents the way in which colonial port towns managed the recurrent and unpredictable threats to their health, wellbeing and prosperity during this period, and highlights the increasing strain and growing dislocation felt by British North Americans under colonial rule. The history of cholera in Canada has focused overwhelmingly on Upper and Lower Canada, with little exploration or comparative analysis of the outbreaks in the Atlantic region. The following research examines the interconnected, complex and at times distant relationship between Britain and its North American colonies, under the influence of emigration and transmission of disease from coloniser to colonised. High points of calamity and upheaval clarified the extent to which the colonies were responsible for themselves, forcing many towns to re-evaluate their ability to control emergencies on their soil, with or without the help of the mother country. This study contributes not only to the historical understanding how cholera was managed in British North American ports, but it also provides a unique perspective on understanding the greater struggles of nineteenth-century colonial life.
169

Of space, time, and the archives between: the life of Hugh A. Taylor and the redefinition of the archival cosmos

Buckwold, Jarad 13 September 2016 (has links)
While today, archival theory is permeated with postmodern ideas and philosophies, borrowing from fields as diverse as anthropology and computer science, even just a few decades ago, this was far from the case. This transition was pioneered and strongly influenced by the imaginative and thought-provoking essays of Hugh Taylor, a Canadian archivist who developed a worldview that positioned archives and archivists at centre stage. Taylor was able to do so as a result of his fascination with the works of the media theorist, Marshall McLuhan, whose ideas Taylor found directly applicable to archives and archival theory. This thesis examines the mental state of Hugh Taylor throughout his life and how this mental state shaped his revolutionary concepts, which delved into epistemology and metaphysics, placing archives at the centre of a universal network of connections. These concepts would go on to drastically change archival theory to what it is today. / October 2016
170

Apprendre le gaélique au Cap-Breton : la mélodie des origines

Lord, Josiane January 2008 (has links)
Mémoire numérisé par la Division de la gestion de documents et des archives de l'Université de Montréal.

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