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Articles 1 - 30 of 942
Full-Text Articles in Social and Behavioral Sciences
Crossing The Water And Keeping The Faith: Haitian Religion In Miami (North American Religions), Terry Rey, Alex Stepick
Crossing The Water And Keeping The Faith: Haitian Religion In Miami (North American Religions), Terry Rey, Alex Stepick
Alex Stepick
Beginning in the late 1970s and early 1980s, significant numbers of Haitian immigrants began to arrive and settle in Miami. Overcoming some of the most foreboding obstacles ever to face immigrants in America, they, their children, and now their grandchildren, as well as more recently arriving immigrants from Haiti, have diversified socioeconomically. Together, they have made South Florida home to the largest population of native-born Haitians and diasporic Haitians outside of the Caribbean and one of the most significant Caribbean immigrant communities in the world. Religion has played a central role in making all of this happen. Crossing the Water …
Open Access Policy At The University Of Rhode Island, Julia Lovett, Andrée Rathemacher
Open Access Policy At The University Of Rhode Island, Julia Lovett, Andrée Rathemacher
Julia Lovett
Materials related to a "Lightning Talk" presentation on the University of Rhode Island Open Access Policy, given at the NETSL Annual Spring Conference in Worcester, MA, April 12, 2013.
Reflections From The Wearable Computing Conference In Toronto, Canada, Nick Rheinberger, Katina Michael, Alexander Hayes
Reflections From The Wearable Computing Conference In Toronto, Canada, Nick Rheinberger, Katina Michael, Alexander Hayes
Alexander Hayes Mr.
Could sports men and women who are monitored using wearable computers actually be playing to a global theatre to ensure the upkeep of their performance benchmarks instead of consciously watching and reacting to what is happening in the game they are playing? What are the social implications of heart rate monitors and GPS units now embedded into player clothing? What were some of the reflections from the IEEE ISTAS13 meeting on Wearable Computers in Every Day Life? What were some of the main messages that you walked away with from that conference? What made the greatest impression on us was …
Improving Food Safety Through Self-Regulation: Exploring The Applicability Of The Hazard Analysis And Critical Control Points (Haccp) System To The Spinach And Peanut Industries, A. Bryce Hoflund, Michelle Pautz
Improving Food Safety Through Self-Regulation: Exploring The Applicability Of The Hazard Analysis And Critical Control Points (Haccp) System To The Spinach And Peanut Industries, A. Bryce Hoflund, Michelle Pautz
Michelle Pautz
Abstract: Recent years have seen a plethora of incidents in the United States that have called attention to food safety, including spinach, peanut, lettuce, and ground beef recalls. Unsurprisingly in the wake of these recalls, the propensity has been to advocate for additional government regulation. This proclivity begs the question, however, is more reform what is needed? The food safety regulatory system in the U.S. is massive and fragmented; are more regulations the answer to ensuring the safety of food? Skeptics may argue that the only way to ensure the food processing industry is kept in line is through rigid …
Teaching Threshold Concepts: Practical Plans For Meaningful Instruction In Information Literacy, Gayle Schaub, Hazel Mcclure, Patricia Bravender
Teaching Threshold Concepts: Practical Plans For Meaningful Instruction In Information Literacy, Gayle Schaub, Hazel Mcclure, Patricia Bravender
Gayle Schaub
With the unique constraints that instruction librarians face in the classroom, we often rely on point-and-click instruction sessions that do not always communicate essential information literacy concepts. This program identifies key threshold and core concepts and correlates them with ACRL information literacy standards. The presenters highlight lesson plans that promote critical thinking and engaged learning and offer an opportunity for participants to collaborate in the creation of a standard-aligned lesson plan.
Going Pro: Success Stories, Ashley Dupuy, Eli Arnold, Casey Long, Oscar Gittemeier, Traci Drummond
Going Pro: Success Stories, Ashley Dupuy, Eli Arnold, Casey Long, Oscar Gittemeier, Traci Drummond
Eli Arnold
“Going Pro: Success Stories” is the third and final installment of Atlanta Emerging Librarians' 3-part series on becoming a professional librarian.This event will focus on stories from the front with five successful librarians sharing their experiences, insights, and advice. Our panelists include librarians and archivists from academic and public libraries.
Paying It Forward...And Backward, Rita Spisak, Eli Arnold, Sandra Barclay, Linda Golian-Lui, Michael Luther
Paying It Forward...And Backward, Rita Spisak, Eli Arnold, Sandra Barclay, Linda Golian-Lui, Michael Luther
Eli Arnold
Sturgis Library recently started a Mentorship Program concurrently with the hiring of 5 librarians. Paired with veterans, mentees met regularly (as a group & one-on-one) with mentors to get a feel for the culture of the library & advice on librarianship.
The Ocean Thermal Energy Conversion Strategies And Analysis Of Current Challenges, Lasantha Meegahapola, Lanka Udawatta, Sanjeeva Witharana
The Ocean Thermal Energy Conversion Strategies And Analysis Of Current Challenges, Lasantha Meegahapola, Lanka Udawatta, Sanjeeva Witharana
Dr Lasantha G Meegahapola
This paper presents different roots of Ocean Thermal Energy Conversion (OTEC) strategies and challenges faced in terms of efficiency and economy of OTEC plants. The conversion strategies primarily focus on open cycle, closed cycle and hybrid plants. The efficiency studies mainly skew towards the effect of plant distance and thermal gradient towards plant efficiency. The economic analysis is based upon the effect of per unit cost for OTEC plant together with other important considerations such as Plant Factor (PF) and offshore distance, which determine the cost of power generation. Some illustrative examples are also provided using the derived equations under …
Impact Of Wind Generation Mix On Transient Stability For An Interconnected Power System, Lasantha Meegahapola, Damian Flynn, Jason Kennedy, Tim Littler
Impact Of Wind Generation Mix On Transient Stability For An Interconnected Power System, Lasantha Meegahapola, Damian Flynn, Jason Kennedy, Tim Littler
Dr Lasantha G Meegahapola
The rapid growth of wind generation in many European countries is pushing power systems into uncharted territory. As additional wind generators are installed, the changing generation mix may impact on power system stability. This paper adopts the New England 39 bus system as a test system for transient stability analysis. Thermal generator models are based on a likely future plant mix for existing systems, while varying capacities of fixed-speed induction generators (FSIG) and doubly-fed induction generators (DFIG) are considered. The main emphasis here has been placed on the impact of wind technology mix on inter-area oscillations following transient grid disturbances. …
Optimal Power Flow With Variable Wind Conditions, S Durairaj, L Meegahapola, D Flynn, B Fox
Optimal Power Flow With Variable Wind Conditions, S Durairaj, L Meegahapola, D Flynn, B Fox
Dr Lasantha G Meegahapola
This paper presents simulation studies of an electric arc furnace (EAF) model in the MATLAB/SIMULINK environment. EAF was modeled as a current source controlled by a non-linear resistance. Voltage flicker, a phenomenon of annoying light intensity fluctuation, caused by EAF, has been a major power quality concern for both power companies and customers. A model was developed for the electric arc furnace and it was applied in the simulation studies of distribution static synchronous compensator (DSTATCOM) for voltage flicker mitigation. The controller for DSTATCOM was designed based on DQ-model for the reactive power management which helps in the mitigation of …
Voltage And Power Quality Improvement Strategy For A Dfig Wind Farm During Variable Wind Conditions, L Meegahapola, T Littler, B Fox, J Kennedy, D Flynn
Voltage And Power Quality Improvement Strategy For A Dfig Wind Farm During Variable Wind Conditions, L Meegahapola, T Littler, B Fox, J Kennedy, D Flynn
Dr Lasantha G Meegahapola
This paper presents a voltage and power quality enhancement scheme for a doubly-fed induction generator (DFIG) wind farm during variable wind conditions. The wind profiles were derived considering the measured data at a DFIG wind farm located in Northern Ireland (NI). The aggregated DFIG wind farm model was validated using measured data at a wind farm during variable generation. The voltage control strategy was developed considering the X/R ratio of the wind farm feeder which connects the wind farm and the grid. The performance of the proposed strategy was evaluated for different X/R ratios, and wind profiles with different characteristics. …
Impact On Transient And Frequency Stability For A Power System At Very High Wind Penetration, Lasantha Meegahapola, Damian Flynn
Impact On Transient And Frequency Stability For A Power System At Very High Wind Penetration, Lasantha Meegahapola, Damian Flynn
Dr Lasantha G Meegahapola
This paper analyzes the impact on transient and frequency stability for a power system at very high wind penetration (40% wind). Wind penetration is based on the doubly-fed induction generator (DFIG), and a systematic approach has been adopted for wind power integration. A sensitivity analysis has been carried out for each wind integration scenario and for different wind generator loading conditions. A range of fault locations has been selected for stability analysis based on the proximity to synchronous generation and wind farms. The analysis has shown that transient stability performance is subject to fault location in the network, especially when …
Optimal Allocation Of Reactive Power Resources To Minimise Losses And Maintain System Security, Eknath Vittal, Lasantha Meegahapola, Damian Flynn, Andrew Keane
Optimal Allocation Of Reactive Power Resources To Minimise Losses And Maintain System Security, Eknath Vittal, Lasantha Meegahapola, Damian Flynn, Andrew Keane
Dr Lasantha G Meegahapola
Modern doubly-fed induction generator (DFIG) wind turbines have significant reactive power control capability, even during low wind speed conditions. This can improve system security by providing terminal voltage control at buses in the system. Generally, such control employs the full range of reactive power production from the turbine which can lead to increased system losses. By utilizing optimal power flow analysis, and limiting the range of reactive power production at certain wind farms, system losses can be minimized. If the reactive power of the wind farms are optimized to achieve the minimum system losses this may adversely affect the voltage …
Transient Stability Analysis Of A Power System With High Wind Penetration, Lasantha Meegahapola, Damian Flynn, Tim Littler
Transient Stability Analysis Of A Power System With High Wind Penetration, Lasantha Meegahapola, Damian Flynn, Tim Littler
Dr Lasantha G Meegahapola
This paper presents transient stability analysis for a power system with high wind penetration. The transient stability has been evaluated based on two stability criteria: rotor angle stability and voltage stability. A modified IEEE-14 bus system has been used as the main study network and simulations have been conducted at several wind power penetration levels, defined as a fraction of total system generation. A wide range of scenarios have been presented based on the wind farm voltage at the point of connection, i.e. low voltage (LV) distribution level and high voltage (HV) transmission level, and the type of wind generator …
Active Use Of Dfig Based Wind Farms For Transient Stability Improvement During Grid Disturbances, Lasantha Meegahapola, Damian Flynn, Jason Kennedy, Tim Littler
Active Use Of Dfig Based Wind Farms For Transient Stability Improvement During Grid Disturbances, Lasantha Meegahapola, Damian Flynn, Jason Kennedy, Tim Littler
Dr Lasantha G Meegahapola
The doubly-fed induction generator (DFIG) now represents the dominant technology in wind turbine design. One consequence of this is limited damping and inertial response during transient grid disturbances. A 'decoupled' strategy is therefore proposed to operate the DFIG grid-side converter (GSC) as a static synchronous compensator (STATCOM) during a fault, supporting the local voltage, while the DFIG operates as a fixed-speed induction generator (FSIG) providing an inertial response. The modeling aspects of the decoupled control strategy, the selection of protection control settings, the significance of the fault location and operation at sub- and super-synchronous speeds are analyzed in detail. In …
Fuzzy Logic And Artificial Neural Network Approaches In Odor Detection, Lasantha Meegahapola, J Karunadasa, Kasun Sandasiri, Damith Tharanga, Dammika Jayasekara
Fuzzy Logic And Artificial Neural Network Approaches In Odor Detection, Lasantha Meegahapola, J Karunadasa, Kasun Sandasiri, Damith Tharanga, Dammika Jayasekara
Dr Lasantha G Meegahapola
This paper presents the research segment of development of methodology for determining odor level of various applications using two different concepts; Fuzzy logic based algorithm and Artificial Neural Network (ANN) based algorithm. Three different gas sensors are used which respond to ammonia (NH3), hydrogen sulfide (H2S) and methane (CH4). Sensory fusion is achieved through processing the analog to digital converted values of sensor outputs using the algorithm to determine the odor level of various types of predetermined odors. Olfactometry was used to determine the desired outputs (odor levels) of the algorithms. Fuzzy logic algorithm uses Zadeh-Mamdani type Fuzzy inference system …
Optimization Of Frt Active Power Performance Of A Dfig During Transient Grid Faults, L Meegahapola, Damian Flynn, Tim Littler
Optimization Of Frt Active Power Performance Of A Dfig During Transient Grid Faults, L Meegahapola, Damian Flynn, Tim Littler
Dr Lasantha G Meegahapola
Optimal fault ride-through (FRT) conditions for a doubly-fed induction generator (DFIG) during a transient grid fault are analyzed with special emphasis on improving the active power generation profile. The transition states due to crowbar activation during transient faults are investigated to exploit the maximum power during the fault and post-fault period. It has been identified that operating slip, severity of fault and crowbar resistance have a direct impact on the power capability of a DFIG, and crowbar resistance can be chosen to optimize the power capability. It has been further shown that an extended crowbar period can deliver enhanced inertial …
Narratives Of Social Support And Health In Aboriginal Communities, Chantelle Richmond
Narratives Of Social Support And Health In Aboriginal Communities, Chantelle Richmond
Chantelle Richmond
Societies that foster high-quality social relationships and social support seemingly produce healthier populations. Existing research identifies social support as a significant dimension and determinant of Canadian Aboriginal health, yet patterns of morbidity and mortality overwhelmingly reflect social causes (e.g., violence, suicide), thereby suggesting that social support may not be widely accessible within this population. This paper seeks to understand how broader societal factors (e.g., colonialism) work to influence access to social support in the everyday social environments of Aboriginal communities. Narrative analysis of interviews with 26 Aboriginal Community Health Representatives (CHRs) from across Canada. Sources of social support are institutional …
Health Disparities In Canada Today: Some Evidence And A Theoretical Framework, Katherine Frohlich, Nancy Ross, Chantelle Richmond
Health Disparities In Canada Today: Some Evidence And A Theoretical Framework, Katherine Frohlich, Nancy Ross, Chantelle Richmond
Chantelle Richmond
This paper documents contemporary evidence on patterns of health disparities in Canada and suggests theoretical mechanisms that give rise to these patterns. The overall health of Canadians, as measured by life expectancy or mortality, has improved dramatically over the past 30 years and some disparities have diminished slightly (e.g., life expectancy by income group for men), while others have increased (e.g., diabetes for Aboriginal peoples). Arguably the most egregious health disparities in Canada are those existing between Aboriginals and the rest of the Canadian population. This paper focuses specifically on three social determinants and their effects on disparities in health; …
Community-Based Participatory Research (Cbpr) With Indigenous Communities: Producing Respectful And Reciprocal Research, Joshua Tobias, Chantelle Richmond, Isaac Luginaah
Community-Based Participatory Research (Cbpr) With Indigenous Communities: Producing Respectful And Reciprocal Research, Joshua Tobias, Chantelle Richmond, Isaac Luginaah
Chantelle Richmond
The health disparities between Indigenous and non-Indigenous peoples in Canada continue to grow despite an expanding body of research that attempts to address these inequalities, including increased attention from the field of health geography. Here, we draw upon a case study of our own community-based approach to health research with Anishinabe communities in northern Ontario as a means of advocating the growth of such participatory approaches. Using our own case as an example, we demonstrate how a collaborative approach to respectful and reciprocal research can be achieved, including some of the challenges we faced in adopting this approach.
Hepatitis B In Ghana's Upper West Region: A Hidden Disease In Need Of National Policy Attention, Paul Mkandawire, Chantelle Richmond, Jenna Dixon, Isaac Luginaah, Joshua Tobias
Hepatitis B In Ghana's Upper West Region: A Hidden Disease In Need Of National Policy Attention, Paul Mkandawire, Chantelle Richmond, Jenna Dixon, Isaac Luginaah, Joshua Tobias
Chantelle Richmond
Like many countries in Sub-Saharan Africa, Hepatitis B virus (HBV) is highly prevalent in Ghana. Using qualitative methods, this paper draws from the political ecology of health theoretical framework to examine perceptions and understandings of HBV in the Upper West Region of Ghana. The findings reveal that extremely low levels of knowledge and pervasive lay misconceptions about the disease within this geographic context are shaped by large scale structural influences. Furthermore, in this context there is essentially no access to HBV immunizations, testing or treatment services which reinforces potential routes for the spread of HBV. An explosive spread of HBV …
Formal Dementia Care Among First Nations In Southwestern Ontario, Sara Finkelstein, Dorothy Forbes, Chantelle Richmond
Formal Dementia Care Among First Nations In Southwestern Ontario, Sara Finkelstein, Dorothy Forbes, Chantelle Richmond
Chantelle Richmond
This article explores how dementia care is provided to First Nations communities in southwestern Ontario. Data were collected through in-depth interviews with health care providers and analysed using a constructivist grounded-theory methodology. Two interrelated frameworks for understanding dementia care were identified: a care delivery framework and a knowledge framework. The care delivery framework identified care goals, care elements being provided, care barriers, and strategies and solutions to deliver care and overcome barriers. The knowledge framework defined four groups of knowledge stakeholders: persons with dementia, informal care providers, formal care providers, and the First Nations community. It identified the knowledge each …
Efficacy Of A 3-Hour Aboriginal Health Teaching In The Medical Curriculum: Are We Changing Student Knowledge And Attitudes?, Alysia Zhou, Samantha Boshart, Jennifer Seelisch, Reza Eshaghian, Ryan Mcleod, Jeff Nisker, Chantelle Richmond, John Howard
Efficacy Of A 3-Hour Aboriginal Health Teaching In The Medical Curriculum: Are We Changing Student Knowledge And Attitudes?, Alysia Zhou, Samantha Boshart, Jennifer Seelisch, Reza Eshaghian, Ryan Mcleod, Jeff Nisker, Chantelle Richmond, John Howard
Chantelle Richmond
There is national recognition of the need to incorporate Aboriginal health issues within the medical school curricula. This study aims to evaluate changes in medical students’ knowledge and attitudes about Aboriginal health, and their preparedness to work in Aboriginal communities after attending a 3-hour Aboriginal health seminar. A cross-sectional survey was administered before and after the seminar for Year 1 and 2 medical students at the University of Western Ontario. The survey included four true or false questions and 24 questions using a seven-point Likert scale (1 – strongly disagree, 7 – strongly agree). Eighty two of 130 (64 per …
The Determinants Of First Nation And Inuit Health: A Critical Population Health Approach, Chantelle Richmond, Nancy Ross
The Determinants Of First Nation And Inuit Health: A Critical Population Health Approach, Chantelle Richmond, Nancy Ross
Chantelle Richmond
Environmental dispossession disproportionately affects the health of Canada's Aboriginal population, yet little is known about how its effects are sustained over time. We use a critical population health approach to explore the determinants of health in rural and remote First Nation and Inuit communities, and to conceptualize the pathways by which environmental dispossession affects these health determinants. We draw from narrative analysis of interviews with 26 Community Health Representatives (CHRs) from First Nation and Inuit communities across Canada. CHRs identified six health determinants: balance, life control, education, material resources, social resources, and environmental/cultural connections. CHRs articulated the role of the …
Relationship Of Convenience? The Diplomatic Interplay Between The Commonwealth Games Federation And The Commonwealth Games Host City, Caitlin Byrne
Relationship Of Convenience? The Diplomatic Interplay Between The Commonwealth Games Federation And The Commonwealth Games Host City, Caitlin Byrne
Caitlin Byrne
This paper analyses the diplomatic dynamics that define and underpin the relationship between the Commonwealth Games Federation (CGF) and the Commonwealth Games host city. For the host city, the Commonwealth Games holds out the promise of global visibility, urban regeneration, improved economic activity and social cohesion. For the CGF, the appeal of the host city can improve athlete participation in the event, enhance the appeal and longevity of the sports involved and strengthen the sustainability of the sporting institution itself. The relationship is thus one of mutual convenience through which both actors seek to leverage the global appeal of the …
Does The Critical Shields Stress For Sediment Transport Depend On Channel-Bed Slope?, Ishraq Alfadhli, Shu-Qing Yang, Muttucumaru Sivakumar
Does The Critical Shields Stress For Sediment Transport Depend On Channel-Bed Slope?, Ishraq Alfadhli, Shu-Qing Yang, Muttucumaru Sivakumar
Ishraq Hamdan Alfadhli
This paper investigates why the observed critical Shields stress for incipient sediment motion deviates from the Shields curve. This deviation is often described in the literature as due to measurement errors and non-uniformity of channel-bed slope or flows. On the contrary, this paper hypothesises the deviation as due to the presence of vertical velocity in open channel flows. We found that the existence of vertical velocity in non-uniform flows can lead to the deviation of critical shear stress from the standard Shield's diagram that is valid only in uniform flows, and the channel bed slope could not contribute to the …
Burma: A Land Of Contrasts, David Butgereit
Burma: A Land Of Contrasts, David Butgereit
David M. Butgereit, M.S.N.
No abstract provided.
Spatial Hyperdynamism In A Post-Disturbance Simulated Forest, Qian Wang, George Malanson
Spatial Hyperdynamism In A Post-Disturbance Simulated Forest, Qian Wang, George Malanson
George P Malanson
Spatial hyperdynamism in a post-disturbance simulated forest is studied. When the cutting rate is high and if the cutting pattern is scattered or involving a larger area, the two landscape metrics have much greater variance after cutting. After cutting the potential interaction between different species is more dynamic than that before the cutting, which can be detected from the variation of the proximity measure. These dynamics are primarily driven by the appearance and disappearance of single cell patches as colonizers temporarily occupy cells vacated by the deaths of better competitors. Boundary cells are most likely to be dynamic because their …
Comment On Modeling Ecological Response To Climatic Change, George Malanson
Comment On Modeling Ecological Response To Climatic Change, George Malanson
George P Malanson
No abstract provided.
Canadian Landform Examples; 27, Beaver Landforms, David Butler, George Malanson
Canadian Landform Examples; 27, Beaver Landforms, David Butler, George Malanson
George P Malanson
No abstract provided.