781 research outputs found

    Lost Oscillations: Exploring a City’s Space and Time With an Interactive Auditory Art Installation

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    Presented at the 22nd International Conference on Auditory Display (ICAD-2016)Lost Oscillations is a spatio-temporal sound art installation that allows users to explore the past and present of a city's soundscape. Participants are positioned in the center of an octophonic speaker array; situated in the middle of the array is a touch-sensitive user interface. The user interface is a stylized representation of a map of Christchurch, New Zealand, with electrodes placed throughout the map. Upon touching an electrode, one of many sound recordings made at the electrode's real-world location is chosen and played; users must stay in contact with the electrodes in order for the sounds to continue playing, requiring commitment from users in order to explore the soundscape. The sound recordings have been chosen to represent Christchurch's development throughout its history, allowing participants to explore the evolution of the city from the early 20th Century through to its post-earthquake reconstruction. This paper discusses the motivations for Lost Oscillations before presenting the installation's design, development, and presentation

    A war won in the skies: Air superiority in the Second World War

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    This paper studies the impact that air superiority had on the outcome of the Second World War in both the European and Pacific theaters of war, and argues that it was the determining factor in the outcome of the conflict. The paper outlines both the tactical and strategic aspects of air-power along the respective \u27fronts\u27. In addition, the relative quantitative and qualitative strength of the air forces of the belligerent nations are discussed, along with their aircraft production and technological capabilities

    Alien Registration- Dugal, Eugenie (Brunswick, Cumberland County)

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    https://digitalmaine.com/alien_docs/31456/thumbnail.jp

    The Gold Line: Exploring the Resurgence of Public Rail Transport in Los Angeles

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    Mass transit in the form of light rail is, in many ways, a new and revolutionary idea for the Greater Los Angeles Area. Although mass light rail transit did exist in Los Angeles in the form of the Pacific Electric Railways red car system, an extensive network of metro rail lines has never existed in Los Angeles County since Pacific Electric was dismantled and shut down in 1950. Because of this, the popular mode of transport in LA County has traditionally been cars, and public transport has consisted mostly of bus routes. This has all changed in the last few decades. Since the 1980s, LA County has conducted several studies and, as a result of those studies, has proposed to build an extensive network of light rail lines to connect the county. In more recent years, many of these project plans have been approved, and the MTA has overseen the construction and functioning of new railway lines that are connecting far-flung regions of LA County with Union Station in downtown LA. Currently, the MTA operates 5 light rail lines within LA county-the Blue Line, the Red Line, the Purple Line, the Green Line and the Gold Line-that extend north, south and east of downtown LA. Each of these lines has been functional for a varying amount of time, but current weekday ridership on this system of lines has crossed the 280,000 mark as off September 2009

    Alien Registration- Dugal, Antoin N. (Auburn, Androscoggin County)

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    https://digitalmaine.com/alien_docs/31224/thumbnail.jp

    Alien Registration- Dugal, Armand G. (Auburn, Androscoggin County)

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    https://digitalmaine.com/alien_docs/31225/thumbnail.jp

    Man in a Cold Environment by A.C. Burton and O.C. Edholm

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    Alien Registration- Boucher, Germaine (Saint Agatha, Aroostook County)

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    https://digitalmaine.com/alien_docs/33220/thumbnail.jp

    Sex- and age-specific resource selection and harvest mortality of elk: balancing disease risks with conservation benefits in a fragmented agricultural landscape

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    Integrating the characteristics of landscape structure with species’ attributes that determine animal movement and consequently disease risk is a complex, yet critical step for effective conservation and disease management. I examined movement behavior of elk (Cervus canadensis manitobensis) in response to factors such as habitat fragmentation and predation risk (i.e., human hunting) to better understand the landscape-level risk of disease spread in Manitoba. Objectives of this thesis were to: (i) identify sex- and age-specific habitat corridors for elk movement to assess the potential risk of disease spread between elk sub-populations; and (ii) evaluate sex- and age-specific elk distribution and hunter-kill sites during the hunting season to understand the impact of hunting on elk resource selection and to improve the effectiveness of current disease control programs. Elk in the Riding Mountain region of southwestern Manitoba are endemic with bovine tuberculosis (Mycobacterium bovis; TB) and are threatened by the imminent emergence of chronic wasting disease (CWD). I used collared elk locations from a combined dataset of 413 non-migratory female and male elk that were captured in and around Riding Mountain National Park and Duck Mountain Provincial Park and Forest between 2002 and 2011. Elk were fitted with either a GPS satellite collar (24 F; 12 M) or very high frequency (VHF) radio-transmitter (191 F; 186 M). In addition, I used 796 locations of hunter-killed female and male elk collected between 2003-2012 from the agricultural-dominated lands that surround the two protected areas. These data were used to develop resource selection function (RSF) models, which are powerful analytical tools that characterize and predict the selection of resources by animals. The RSF models integrated with graph theory revealed important sex-specific differences in resource selection during spring and summer (Mar-Aug) and identified potential habitat corridors between the two parks. The extent of connectivity across the fragmented agriculture-dominated landscape remained relatively constant across several spatial scales for both sexes and connectivity was greater for adult females compared with juvenile males. During the hunting season (Sept-Feb), sex- and age-specific differences in resource selection and hunter-kill sites were also evident. Adult males were rarely located outside of the parks, and were killed considerably less often than adult females and juvenile males, in close proximity to park boundaries. Adult females and juvenile males made some use of the agriculture-dominated landscape outside of the parks and were killed in a range of habitats located farther from the park boundaries. My research demonstrates that habitat connectivity and hunting are more critical than previously appreciated in limiting the potential spread of TB and CWD infected elk across this highly fragmented landscape. However, the implications for long-term conservation of elk remain an important concern. The risk of TB and CWD spread among elk sub-populations is low; however, the socioeconomic and ecological implications of these diseases remain significant. My thesis results include detailed maps of functionally connected areas that facilitate elk movement, and thus pinpoint local areas of disease management concern. I also provide an example of a small-scale manipulation of hunter effort linked to disease prevalence, with mapped areas where hunting can be targeted at the highest risk individuals for disease transmission. Resource managers can use these maps as a complementary tool to evaluate both the short- and long-term implications of habitat fragmentation and hunting efforts to effectively balance elk conservation and mitigate disease risks
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