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The Examination of Hemispherical Photography as a means of obtaining In Situ Remotely Sensed Sky Gap Estimates in Snow-Covered Coniferous EnvironmentsRedekop, Diane Evelyne 26 August 2008 (has links)
In remote sensing, the application determines the type of platform and scale used during air or space –borne data collection as the pixel size of the collected data varies depending on the sensor or platform used. Applications involving some cryospheric environments require the use of the microwave band of the electromagnetic spectrum, with snow water equivalent (SWE) studies making use of passively emitted microwave radiation.
A key issue in the use of passive microwave remotely sensed data is its spatial resolution, which ranges from 10 to 25 kilometres. The Climate Research Branch division of the Meteorological Service Canada is using passive microwave remote sensing as a means to monitor and obtain SWE values for Canada’s varying land-cover regions for use in climate change studies. Canada’s diverse landscape necessitated the creation of a snow water equivalent retrieval algorithm suite comprised of four different algorithms; all reflecting different vegetative covers. The spatial resolution of small scale remotely sensed data does provide a means for monitoring Canada’s large landmass, but it does, however, result in generalizations of land-cover, and in particular, vegetative structure, which is shown to influence both snow cover and algorithm performance.
The Climate Research Branch is currently developing its SWE algorithm for Canada’s boreal forest region. This thesis presents a means of successfully and easily collecting in situ remotely sensed data in the form of hemispherical photographs for gathering vegetative structure data to ground-truth remotely sensed data. This thesis also demonstrates that the Gap Light Analyzer software suite used for analyzing hemispherical photographs of mainly deciduous environments during the spring-fall months can be successfully applied towards cryospheric studies of predominantly coniferous environments.
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The decline of the Chinese matriarch : the struggle to reconcile "old" with "new"Lee, Tara 05 1900 (has links)
The thesis examines representations of the matriarch in three Chinese Canadian texts:
SKY Lee's Disappearing Moon Cafe, Wayson Choy's The Jade Peony, and Denise Chong's The
Concubine's Children. The matriarch is the female head of the Chinese household who is able
to gain substantial power by manipulating the assets granted to her in a patriarchal system.
Dislocated from her home in China, she serves in these texts as the focal point for the collision
between the New World, Canada, and the Old World, China. Confronted by a new
environment, the matriarch must decide whether she will choose conformity or identity
experimentation. The thesis is concerned with the way Chinese Canadian writers negotiate
multiple identities through narrators who must come to terms with the divided loyalties of the
women of the past. The analysis of the matriarch's identity shifts is informed by the work of
the feminist theorists, Elspeth Probyn and Moira Gatens, who explore the productive potentials
of rebelling against binary codes.
The thesis is divided into three chapters that discuss how the texts come close to
embracing identity fluidity, but cannot overcome the need to reach a coherent representation
of the matriarch. The first chapter is devoted to Disappearing Moon Cafe, and argues that
Lee's narrator sacrifices her female characters, albeit reluctantly, in order to privilege
feminism over her Chinese heritage. The second chapter turns to The Jade Peony and discusses
how Choy's child narrators give in to binary thinking by relegating Poh-Poh, the Old One, to
the realm of memories to make room for the New Ways. The final chapter on The Concubine's
Children explores Chong's desire to redeem a grandmother who wreaked havoc on the family
when she defied traditional gender roles.
The thesis concludes by determining that Lee, Choy, and Chong are reaching for a
multi-voiced reading of the past, but cannot yet articulate a way out. The uncertainty of their
representations of the matriarch signals their efforts to move beyond binaries to a state of
coexisting identity categories.
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Génétique de la conservation et du paysage : étude des populations de lagopède alpin et de perdrix grise en France.Bech, Nicolas 26 November 2010 (has links) (PDF)
Le lagopède alpin (Lagopus muta) et la perdrix grise (Perdix perdix) atteignent dans les Pyrénées les limites méridionales de leurs aires de répartition mondiale. Les populations pyrénéennes de ces deux sous-espèces (Lagopus muta pyrenaica et Perdix perdix hispaniensis) sont donc en situation d'isolat biogéographique. Les deux espèces sont d'excellents bio-indicateurs de l'évolution des milieux ouverts d'altitude. Sous la pression conjuguée des contraintes environnementales et anthropiques, ces milieux connaissent actuellement une évolution sensible caractérisée par un relèvement altitudinal des étages de végétation et donc un rétrécissement de l'habitat disponible pour les espèces d'altitude. La régression des activités agro-pastorales accentue ce phénomène généralisé de reforestation des milieux. Une conséquence attendue de ces bouleversements est l'augmentation du degré de fragmentation des habitats notamment pour les populations d'altitude. Au-delà de l'influence du paysage sur la structuration des populations, un autre facteur pourrait structurer les populations de perdrix grise : les lâchers d'individus d'élevage dans des populations sauvages. Dans cette thèse, nous nous intéressons à la structuration génétique du lagopède alpin des Pyrénées et de la perdrix grise en France afin d'aider à la décision des plans de conservation.
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Sky's the limit : the operations, renovations and implications of a Montréal gay barAllan, James, 1971- January 1997 (has links)
A burgeoning mega-club in the heart of Montreal's gay village, Sky embodies many forces active in gay club cultures and villages across North America at the end of the twentieth century. This project documents the daily operations of Sky--as a complex architectural site, a complicated set of managerial practices, and a popular space in Montreal's Village--and outlines the theoretical implications of such an establishment for both the gay community and for club culture more generally. A large entertainment complex currently undergoing a major expansion, Sky cannot be theorized as either a wholly oppressive or completely liberatory development. Although Sky presents some of the advantages of a mega-club for the gay community--increased diversity, accessibility and community--it also highlights the disadvantages in the development of such establishments: concentration of ownership, the removal of a gay presence from city streets, and the promotion of certain gay identities and cultures over others.
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Airline security and a strategy for changeWelch, Timothy J. January 1900 (has links)
Thesis (M. of Strategic Studies)--U.S. Army War College, 2006. / Cover title. "15 MAR 2006"--Tech. report doc. page. Includes bibliographical references (p. 14-17). Full text document also available on public STINET.
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Candidate isolated neutron stars and other stellar x-ray sources from the ROSAT all-sky and Sloan Digital Sky Surveys /Agüeros, Marcel A. January 2006 (has links)
Thesis (Ph. D.)--University of Washington, 2006. / Vita. Includes bibliographical references (p. 139-145).
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Ensino de astronomia para os anos iniciais : uma proposta a partir da observação da lua / Teaching astronomy at the elementary school level : a pedagogical approach emphasinzing observations of the moonSimon, Paula Cristina da Silva Gonçalves 14 December 2016 (has links)
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Previous issue date: 2016-12-14 / Não recebi financiamento / This research presents results of an investigation of educational pedagogy done with a group of second grade students from an Elementary School. The investigation involved observations of the Moon and educational activities used to teach about Moon phases. An overview of the academic literature on the teaching of the theme of the Moon and its phases was conducted, with a bibliographical review of theses and dissertations, journal articles, papers presented at selected conferences, and some international papers on this topic. From the literature review, it was found that there are few studies that actually address of how observation of the Moon in the sky can be used to effectively teach Moon phases to elementary school students. In this study, students observed and recorded the appearance of the Moon and its place in the sky through drawings. The drawings included the position of the Moon relative to the horizon and used observations made at the school and at their homes during part of a lunar month. Using these initial Moon observations and the student drawings, there were discussions in the classroom designed to consolidate student knowledge. In this research, the data were obtained through interviews, class records, and student observations notebooks. A control group was not used. The researcher was also the teacher of the class where the research was developed. The student observations made it possible for the students to perceive the Moon's apparent motion, as well as its change of appearance over several nights. Through classroom discussions centered on the observations, it was clear that the observations helped develop student concept knowledge of Moon phases that would be difficult to develop from classroom experiences that did not include observations. This experiential connection from the observation of the Moon fostered a relationship with the knowledge implied to the reality of nature. For the initial years, in the Astronomy teaching, this is an important link that can promote the learning of such contents, from the senses of the child and the teacher intervention in a flexible and open way. / Esta pesquisa apresenta resultados de uma investigação desenvolvida com uma turma de alunos do segundo ano do Ensino Fundamental envolvendo a observação da Lua. Inicialmente, com o objetivo de apresentar um panorama das pesquisas sobre o tema Lua e suas fases, foi feita uma revisão bibliográfica a partir de teses e dissertações, artigos de periódicos, trabalhos apresentados em eventos selecionados e alguns trabalhos internacionais. Como resultado, verificou-se que poucos são os trabalhos que utilizam a observação da Lua no céu como parte da metodologia para o ensino e a aprendizagem do tema. Como objetivo de pesquisa, foi proposta e estudada uma metodologia na qual os alunos observaram e registraram a Lua por meio de desenhos, incluindo o horizonte, na escola e em suas casas, ao longo de parte de uma lunação. Priorizando a observação do céu, a partir dos desenhos, houve discussões em sala que foram conduzidas objetivando a sistematização do conhecimento. Com uma pesquisa experimental, sem grupo de controle, os dados foram obtidos por meio de entrevistas, registros de aulas e cadernos de observações dos alunos. A pesquisadora também foi a professora da turma onde a pesquisa foi desenvolvida. A observação do céu possibilitou a percepção pelos alunos do movimento aparente da Lua, bem como sua mudança de aspecto ao longo de várias noites. Por meio das discussões em sala de aula, com o uso dos registros, foi evidenciado que o conhecimento da observação desenvolve um saber a partir da vivência que transcende os limites dados ao conteúdo em sala de aula, possibilitando discussões pouco valorizadas no ensino da Lua e suas fases. Essa conexão experiencial a partir da observação da Lua fomenta uma relação com o conhecimento implicado à realidade da natureza. Para os anos iniciais, no ensino de Astronomia, esta é uma vinculação importante que pode promover a aprendizagem de tais conteúdos, a partir dos sentidos da criança e da intervenção docente de modo flexível e aberto.
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Distribuição de frequência das condições de céu em função das variações climáticas em Botucatu-SPTeramoto, Érico Tadao [UNESP] 18 June 2010 (has links) (PDF)
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teramoto_et_me_botfca.pdf: 1177914 bytes, checksum: 800bf94c3614165a33a34ea3540d3d05 (MD5) / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) / O estudo das condições médias de céu de um determinado local permite conhecer a dinâmica da variação dos níveis de energia solar, além de servir como parâmetro na estimativa de radiações a partir de modelos estatísticos, ambos úteis em estudos e projetos de aproveitamento da energia solar nos processos térmico e fotovoltaico, de ambiência, no planejamento e desenvolvimento turístico, secagem de produtos agrícolas, entre outros. Este trabalho apresenta uma análise estatística e climática da variação das condições de céu em Botucatu/SP, com base no índice de claridade KT, no período de 1995 a 2006. Foram determinadas as frequências diárias, anual média d a F e mensal média d m F , e as frequências horárias, anual média h a F e mensal média h m F , das condições de céu: nebuloso (KT < 0,35); parcialmente nebuloso com dominância para o difuso (0,35 < KT ≤ 0,55); parcialmente nebuloso com dominância para o claro (0,55 < KT ≤ 0,65) e claro (KT > 0,65). A evolução da frequência anual da d a F das quatro condições de céu mostrou não haver tendência sistemática de crescimento ou de decréscimo em nenhuma das condições de céu, em função das variações climáticas de micro e macro escala. A d a F da condição de céu nebuloso foi de 16,7% ± 2,41; para parcialmente nebuloso com dominância para o difuso foi de 25,6% ± 3,3; para parcialmente nebuloso com dominância para o claro foi de 26,4% ± 3,6; e para claro foi de 31,2% ± 6,7. Na evolução da frequência diária mensal média d m F , a d m F para nebuloso foi maior em janeiro (29,78% ± 12,82) e menor em julho (9,50% ± 5,43); para parcialmente nebuloso com dominância para o difuso, foi maior em janeiro (41,23% ± 7,76) e menor em agosto (13,57% ± 7,08); para parcialmente nebuloso com dominância para o claro, foi maior em julho (30,60% ± 12,80) e menor em janeiro... / The study of the average sky conditions in a particular location give informations about the dynamics of variation in levels of solar energy, besides serving as a parameter in the estimation of radiations from statistical models, both working on studies and projects in solar energy thermal and photovoltaic processes, ambience, planning and tourism development, drying agricultural products, among others. This paper present a statistical analysis and climatical of the variations in sky conditions in Botucatu/SP, based on the clearness index KT for the period 1995 to 2006. Were determined the daily frequency of, monthly average d a F and annual average d m F , and the hourly frequencies, annual average d m F and monthly average h m F of the sky conditions: cloudy (KT <0.35), partly cloudy with dominance for the diffuse (0.35 < KT ≤ 0.55), partly cloudy with dominance for the clear (0.55 <KT ≤ 0.65) and clear (KT > 0.65). The evolution of the daily annual frequency d a F to the four sky conditions no showed systematic tendency to increase or decrease in any of the sky condition, depending on the climatic variations of micro and macro scale. The d a F of the sky condition cloudy was 16.7% ± 2.41; for partly cloudy with dominance for the diffuse was 25.6% ± 3.3; for partly cloudy with dominance for the clear was 26.4% ± 3.6; and clear was 31.2% ± 6.7. In the evolution of daily monthly average frequency d m F , the d m F for the cloudy was highest in January ( 29.78% ± 12.82) and lowest in July (9.50% ± 5.43); for partly cloudy with dominance for the diffuse, was highest in January (41.23% ± 7.76) and lowest in August (13.57% ± 7.08); for partly cloudy with dominance for the clear, was highest in July (30.60% ± 12.80) and lowest in January (21.29% ± 10.59); and to clear, was highest in August... (Complete abstract click electronic access below)
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Investigando o desenvolvimento de práticas reflexivas de professores em um curso de formação continuada em astronomia voltado à observação do céu / Investigating the development of reflective practices of teachers in a continuing education course in Astronomy focused on the observation of the skyOliveira, Fabiana Andrade de [UNESP] 11 March 2016 (has links)
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Previous issue date: 2016-03-11 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) / A presença de dificuldades associadas ao ensino de astronomia nas escolas, a falta de contato de professores com esta Ciência durante a formação inicial e a necessidade de formar indivíduos cientes a respeito do céu noturno, levaram a necessidade de um curso de formação continuada com ênfase na observação do céu. Esta pesquisa envolve o estudo de um curso de formação continuada em astronomia com relação ao desenvolvimento profissional reflexivo de professores. Nesse sentido, buscamos responder à questão principal: Que indícios do desenvolvimento de práticas reflexivas emergem durante um curso de formação continuada em astronomia? Com efeito, os movimentos realizados em prol de um diálogo entre teoria e prática deram-se a partir do trabalho colaborativo entre os professores e pesquisadora, sendo o processo reflexivo sustentado sob três aspectos: uma situação prática desses professores, reflexões em coletivo e apresentação de pesquisas acadêmicas sobre ensino de astronomia. Os dados foram constituídos a partir de um questionário e grupos focais realizados em dois encontros com os professores. Apoiando-se metodologicamente na Análise de Conteúdo, os resultados apontam para indícios da contribuição do curso com relação ao desenvolvimento de práticas reflexivas. Dessa forma, ultimamos que as condições de reflexão em coletivo mostraram-se efetivas ao permitir que situações reais de ensino fossem discutidas e estudadas entre os pares, possibilitando também o envolvimento dos professores nas decisões em relação ao curso. Alguns deles acreditam que as teorias não atendem às suas necessidades formativas, uma vez que estão distantes dos problemas que vivenciam na prática. Em contrapartida, outros professores entendem que há fatores limitantes quanto às condições de estudo e melhorias profissionais. Na visão de alguns professores as atividades práticas desenvolvidas ao longo dos encontros foram relevantes, pois consistem em estratégias e metodologias que viabilizam a abordagem da astronomia no contexto da sala de aula. Os resultados desta pesquisa mostram que os professores apresentam preocupações de ordem prática, relacionadas ao contexto da sala de aula e à aprendizagem dos alunos. / There are some difficulties associated with the teaching of astronomy in schools, the lack of contact of teachers with this Science during initial formation and the need to train individuals aware of the night sky, led to the need for a continuing education course with emphasis on watching the sky. This research involves the study of a continuing astronomy training course in relation to the reflective professional development of teachers. In this sense, we seek to answer the main question: What signs of the development of reflexive practices emerge during a course of continuing formation in astronomy? In fact, the movements carried out in favor of a dialogue between theory and practice were based on collaborative work between teachers and researcher, and the reflexive process was sustained under three aspects: a practical situation of these teachers, reflections in collective and presentation of Academic research on astronomy teaching. The data were constituted from a questionnaire and focus groups conducted in two meetings with the teachers. By supporting methodologically in Content Analysis, the results point to indications of the course's contribution to the development of reflective practices. Thus, we conclude that the conditions of collective reflection have proved to be effective in allowing real teaching situations to be discussed and studied among peers, thus enabling the involvement of teachers in decisions related to the course. Some of them believe that the theories do not meet their training needs, since they are far from the problems they experience in practice. On the other hand, other teachers understand that there are limiting factors regarding the conditions of study and professional improvements. In the view of some teachers, the practical activities developed during the meetings were relevant, since they consist of strategies and methodologies that enable the approach of astronomy in the context of the classroom. The results of this research show that teachers present practical concerns related to the context of the classroom and student learning.
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Distribuição de frequência das condições de céu em função das variações climáticas em Botucatu-SP /Teramoto, Erico Tadao, 1983. January 2010 (has links)
Orientador: João Francisco Escobedo / Banca: Eduardo Nardini Gomes / Banca: Alexandre Dal Pai / Resumo: O estudo das condições médias de céu de um determinado local permite conhecer a dinâmica da variação dos níveis de energia solar, além de servir como parâmetro na estimativa de radiações a partir de modelos estatísticos, ambos úteis em estudos e projetos de aproveitamento da energia solar nos processos térmico e fotovoltaico, de ambiência, no planejamento e desenvolvimento turístico, secagem de produtos agrícolas, entre outros. Este trabalho apresenta uma análise estatística e climática da variação das condições de céu em Botucatu/SP, com base no índice de claridade KT, no período de 1995 a 2006. Foram determinadas as frequências diárias, anual média d a F e mensal média d m F , e as frequências horárias, anual média h a F e mensal média h m F , das condições de céu: nebuloso (KT < 0,35); parcialmente nebuloso com dominância para o difuso (0,35 < KT ≤ 0,55); parcialmente nebuloso com dominância para o claro (0,55 < KT ≤ 0,65) e claro (KT > 0,65). A evolução da frequência anual da d a F das quatro condições de céu mostrou não haver tendência sistemática de crescimento ou de decréscimo em nenhuma das condições de céu, em função das variações climáticas de micro e macro escala. A d a F da condição de céu nebuloso foi de 16,7% ± 2,41; para parcialmente nebuloso com dominância para o difuso foi de 25,6% ± 3,3; para parcialmente nebuloso com dominância para o claro foi de 26,4% ± 3,6; e para claro foi de 31,2% ± 6,7. Na evolução da frequência diária mensal média d m F , a d m F para nebuloso foi maior em janeiro (29,78% ± 12,82) e menor em julho (9,50% ± 5,43); para parcialmente nebuloso com dominância para o difuso, foi maior em janeiro (41,23% ± 7,76) e menor em agosto (13,57% ± 7,08); para parcialmente nebuloso com dominância para o claro, foi maior em julho (30,60% ± 12,80) e menor em janeiro... (Resumo completo, clicar acesso eletrônico abaixo) / Abstract: The study of the average sky conditions in a particular location give informations about the dynamics of variation in levels of solar energy, besides serving as a parameter in the estimation of radiations from statistical models, both working on studies and projects in solar energy thermal and photovoltaic processes, ambience, planning and tourism development, drying agricultural products, among others. This paper present a statistical analysis and climatical of the variations in sky conditions in Botucatu/SP, based on the clearness index KT for the period 1995 to 2006. Were determined the daily frequency of, monthly average d a F and annual average d m F , and the hourly frequencies, annual average d m F and monthly average h m F of the sky conditions: cloudy (KT <0.35), partly cloudy with dominance for the diffuse (0.35 < KT ≤ 0.55), partly cloudy with dominance for the clear (0.55 <KT ≤ 0.65) and clear (KT > 0.65). The evolution of the daily annual frequency d a F to the four sky conditions no showed systematic tendency to increase or decrease in any of the sky condition, depending on the climatic variations of micro and macro scale. The d a F of the sky condition cloudy was 16.7% ± 2.41; for partly cloudy with dominance for the diffuse was 25.6% ± 3.3; for partly cloudy with dominance for the clear was 26.4% ± 3.6; and clear was 31.2% ± 6.7. In the evolution of daily monthly average frequency d m F , the d m F for the cloudy was highest in January ( 29.78% ± 12.82) and lowest in July (9.50% ± 5.43); for partly cloudy with dominance for the diffuse, was highest in January (41.23% ± 7.76) and lowest in August (13.57% ± 7.08); for partly cloudy with dominance for the clear, was highest in July (30.60% ± 12.80) and lowest in January (21.29% ± 10.59); and to clear, was highest in August... (Complete abstract click electronic access below) / Mestre
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