9,160 research outputs found

    Haunted Landscapes: Ghosts of Chennai Past, Present and Future Yet-to-Come

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    Constellations of weathering: Following the meteorological mobilities of Bangla bricks

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    Using follow-the-thing methods and insights from ethnographic fieldwork, this paper traces the meteorological mobilities entwined within Bangladesh bricks. Following the extended lifecycle of the Bangla brick from sediment to clay, from clay to brick and from brick to sediment, and the role that monsoon weathering plays in these processes, reveals complex entanglements of mobilities and materialities. A more-than-human mobilities perspective highlights the myriad human and nonhuman circulations that constitute the brick, as well as the geological, atmospheric and hydrological dynamics that brickmaking sets in motion. Through the becoming and unbecoming of the brick, the paper explores how the mobile materiality of the monsoon is enmeshed within the building blocks of Bangladesh’s cities and the infrastructures on which they depend and how, in turn, the mobile materiality of the brick influences monsoonal environments. These intra-active entanglements trouble perceived dichotomies between society and meteorological forces and highlight the agentive role of weather systems in social worlds

    Bangla Bricks: Making and Unmaking Monsoon Grounds

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    This photo-essay traces the life course of Bangladesh bricks to explore how the monsoon is enmeshed within built environments. It is based on ethnographic observations of brick making in Bangladesh, a terrain within which the monsoon is deeply implicated. Following the cycle of the brick from sediment to clay, from clay to brick and from brick to sediment reveals entanglements of weather, geology and human energies. The mobile materiality of the monsoon is entwined within the very building blocks of Bangladesh’s cities and the infrastructures on which they depend

    Examining the Effect of Medical-Surgical Nurse Manager Leadership on Employee Organizational Citizenship

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    An intriguing question in a hospital is “What makes one medical-surgical nursing unit more desirable to nurses, physicians, and patients than another?” This quantitative, correlational research study identified a moderately positive correlation (r = .35, p = .000 between the leadership and communication behaviors of the nurse manager and the organizational citizenship of the nurses and nursing assistants who worked on the medical-surgical nursing units studied. The social impact of this positive correlation is better patient care outcomes.https://scholarworks.waldenu.edu/archivedposters/1071/thumbnail.jp

    A New Low-Mass Eclipsing Binary from SDSS-II

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    We present observations of a new low-mass double-lined eclipsing binary system discovered using repeat observations of the celestial equator from the Sloan Digital Sky Survey II. Using near-infrared photometry and optical spectroscopy we have measured the properties of this short-period [P=0.407037(14) d] system and its two components. We find the following parameters for the two components: M_1=0.272+/-0.020 M_sun, R_1=0.268+/-0.010 R_sun, M_2=0.240+/-0.022 M_sun, R_2=0.248+/-0.0090 R_sun, T_1=3320+/-130 K, T_2=3300+/-130 K. The masses and radii of the two components of this system agree well with theoretical expectations based on models of low-mass stars, within the admittedly large errors. Future synoptic surveys like Pan-STARRS and LSST will produce a wealth of information about low-mass eclipsing systems and should make it possible, with an increased reliance on follow-up observations, to detect many systems with low-mass and sub-stellar companions. With the large numbers of objects for which these surveys will produce high-quality photometry, we suggest that it becomes possible to identify such systems even with sparse time sampling and a relatively small number of individual observations.Comment: 15 Pages, 9 Figures, 6 Tables. Replaced with version accepted to Ap

    Option value: improving resource allocation efficiency

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    Measuring consumer benefits associated with a policy or a project in a world where prices and outcomes are known with certainty is, at least in theory, straightforward. Changes in consumer surplus provide an appropriate measure of a policy's contribution to consumer welfare. But, in a world where prices and outcomes are uncertain, there is a strong case for concluding that measuring expected consumer surplus alone is inadequate (Bishop, 1982), and in many natural resource situations, uncertainty is the rule rather than the exception. Option value is the adjustment, if any, that is made to expected consumer surplus when there is uncertainty about the demand or supply of an environmental asset. The concept of option value is based on Weisbrod's (1964) argument that consumers, uncertain about their future demands for a commodity, would be willing to pay something above expected consumer surplus to maintain an option to consume the commodity in the future. As we have noted, this additional ""payment"" is option value. While Weisbrod's argument suggests that option value is positive, this need not be the case. A variety of authors have proven that option value can take either sign, depending on the specific circumstances, and especially on the type of uncertainty involved. We begin with an overview of the origin of option value in economics and its relevance to decision making under uncertainty. The next chapter considers compensation tests and identifies an ex ante compensation test as being appropriate for uncertain situations. Option value is then located within a total value framework that includes use values and existence values. Uncertainty in both demand and supply is then shown to provide justification for considering option value as an adjustment that individuals make to allow for uncertainty. However, we will show that there are few situations where the sign of option value can be unambiguously established in theory. The final chapters of the publication describe how option value can be measured and incorporated into cost-benefit analysis.This research was supported by a grant from the Foundation for Research Science and Technology, It constitutes Project 2 in the Centre for Resource Management's research programme for 1990/91

    ADMINISTRATION SIZE AND ORGANIZATION SIZE: AN EXAMINATION OF THE LAG STRUCTURE

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    Recent longitudinal studies of the relationship between organization and administrative staff size (Freeman & Hannan, 1975) often to replicate the findings of earlier cross-sectional research (Blau herr, 1971). As a result, many researchers (Kimberly, 1976b) have argued that further longitudinal research is necessary

    Who is in the transition gap? Transition from CAMHS to AMHS in the Republic of Ireland

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    Objective: The ITRACK study explored the process and predictors of transition between Child and Adolescent Mental Health Services (CAMHS) and Adult Mental Health Services (AMHS) in the Republic of Ireland. Method: Following ethical approval, clinicians in each of Ireland's four Health Service Executive (HSE) areas were contacted, informed about the study and invited to participate. Clinicians identified all cases who had reached the transition boundary (i.e. upper age limit for that CAMHS team ) between January and December 2010. Data were collected on clinical and socio-demographic details and factors that informed the decision to refer or not refer to AMHS and case notes were scrutinised to ascertain the extent of information exchanged between services during transition

    Successful ageing in an area of deprivation: Part 1—A qualitative exploration of the role of life experiences in good health in old age

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    Objectives: To determine the life histories and current circumstances of healthy and unhealthy older people who share an ecology marked by relative deprivation and generally poor health. Study design: In-depth interview study with a qualitative analysis. Methods: Matched pairs of healthy and unhealthy ‘agers’ were interviewed face-to-face. Healthy ageing was assessed in terms of hospital morbidity and self-reported health. Study participants consisted of 22 pairs (44 individuals), aged 72–89 years, matched for sex, age and deprivation category, and currently resident in the West of Scotland. All study participants were survivors of the Paisley/Renfrew (MIDSPAN) survey, a longitudinal study commenced in 1972 with continuous recording of morbidity and mortality since. Detailed life histories were obtained which focused on family, residence, employment, leisure and health. This information was supplemented by more focused data on ‘critical incidents’, financial situation and position in social hierarchies. Results: Data provided rich insights into life histories and current circumstances but no differences were found between healthy and unhealthy agers. Conclusions: It is important to understand what differentiates individuals who have lived in circumstances characterized by relative deprivation and poor health, yet have aged healthily. This study collected rich and detailed qualitative data. Yet, no important differences were detected between healthy and unhealthy agers. This is an important negative result as it suggests that the phenomenon of healthy ageing and the factors that promote healthy ageing over a lifetime are so complex that they will require even more detailed studies to disentangle
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