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61.
Marc Kennedy Clive Anderson Anthony O'Hagan Mark Lomas Ian Woodward John Paul Gosling Andreas Heinemeyer 《Journal of the Royal Statistical Society. Series A, (Statistics in Society)》2008,171(1):109-135
Summary. A crucial issue in the current global warming debate is the effect of vegetation and soils on carbon dioxide (CO2 ) concentrations in the atmosphere. Vegetation can extract CO2 through photosynthesis, but respiration, decay of soil organic matter and disturbance effects such as fire return it to the atmosphere. The balance of these processes is the net carbon flux. To estimate the biospheric carbon flux for England and Wales, we address the statistical problem of inference for the sum of multiple outputs from a complex deterministic computer code whose input parameters are uncertain. The code is a process model which simulates the carbon dynamics of vegetation and soils, including the amount of carbon that is stored as a result of photosynthesis and the amount that is returned to the atmosphere through respiration. The aggregation of outputs corresponding to multiple sites and types of vegetation in a region gives an estimate of the total carbon flux for that region over a period of time. Expert prior opinions are elicited for marginal uncertainty about the relevant input parameters and for correlations of inputs between sites. A Gaussian process model is used to build emulators of the multiple code outputs and Bayesian uncertainty analysis is then used to propagate uncertainty in the input parameters through to uncertainty on the aggregated output. Numerical results are presented for England and Wales in the year 2000. It is estimated that vegetation and soils in England and Wales constituted a net sink of 7.55 Mt C (1 Mt C = 1012 g of carbon) in 2000, with standard deviation 0.56 Mt C resulting from the sources of uncertainty that are considered. 相似文献
62.
Economic transitions have the potential to displace workers and cause social unrest. Coal mine closures and the resulting employment losses in rural areas have become salient issues. Using data on coal mine and power plant operation, we model closure as a function of expected profits, which allows us to compare the effects on mine closure of specific demand and supply shocks to expected mine profits. Increasing costs of production have had a large impact on closures, but lower natural gas prices and lower electricity demand have played more recently important roles. 相似文献
63.
Benjamin Harris Issue editor & Ian A.M. Nicholson Issue editor 《The Journal of social issues》1998,54(1):1-5
In honor of the 60th anniversary of SPSSI's founding, this issue examines the ascendence of psychological expertise in American society. After World War II, psychology grew as the public accepted the illuminating power and social benefits of psychologists' expert knowledge. In that period, four problems confronted psychological experts as their numbers and influence grew. First, they needed ideas and methods that were new and superior to common sense. Second, experts needed to appear both relevant and objective. Third, psychologists needed to forge alliances with those who held social power in the settings in which they wished to operate. Finally, experts needed to balance the roles of social critic and social engineer. 相似文献
64.
65.
Yvonne Bradshaw Ian Kendall Martin Blackmore Norman Johnson & Sandra Jenkinson 《Social Policy & Administration》1998,32(3):209-225
The research on which this paper is based is part of a wider study of quality assurance and the voluntary sector. The focus of this paper is on complaints procedures, as part of quality assurance mechanisms, where voluntary agencies are the contracted service providers. The authors argue that, with the introduction of contracting and particularly with its further development, the way in which complaints mechanisms currently operate will need to be revised if they are to be an effective part of the quality assurance process. 相似文献
66.
67.
The aim of this article is to foster an awareness of the need for gender‐sensitive research in the context of the methodological and ethical challenges posed by such research. We trace the development of gender sensitivity and masculinity in social work practice and research and connect this to an overview of the issues posed by research on sensitive topics. Reflecting on a research project involving Chinese male sexual abuse survivors, we draw conclusions illustrating and proposing a range of methodological practices and ethical safeguards. We underscore the importance of gender‐sensitivity in performing research on sensitive topics with men in a Chinese community. 相似文献
68.
David Ian Walker Randall Curren Chantel Jones 《Journal for the theory of social behaviour》2016,46(3):286-309
Ethical dimensions of friendship have rarely been explicitly addressed as aspects of friendship quality in studies of children's peer relationships. This study identifies aspects of moral virtue significant for friendship, as a basis for empirically investigating the role of ethical qualities in children's friendship assessments and aspirations. We introduce a eudaimonic conception of friendship quality, identify aspects of moral virtue foundational to such quality, review and contest some grounds on which children have been regarded as not mature enough to have friendships that require virtue, and report a qualitative study of the friendship assessments and aspirations of children aged nine and ten (n = 83). In focus group sessions conducted in ten schools across Great Britain, moral qualities figured prominently in children's assessments of friendship quality. The findings provide evidence of children having friendships exhibiting mutual respect, support, and valuing of each other's good character. 相似文献
69.
70.
Ian Burkitt 《The Sociological review》1998,46(3):483-504
This paper concentrates on the recent controversy over the division between sex and gender and the troubling of the binary distinctions between gender identities and sexualities, such as man and woman, heterosexual and homosexual. While supporting the troubling of such categories, I argue against the approach of Judith Butler which claims that these dualities are primarily discursive constructions that can be regarded as fictions. Instead, I trace the emergence of such categories to changing forms of power relations in a more sociological reading of Foucault's conceptualization of power, and argue that the social formation of identity has to be understood as emergent within socio-historical relations. I then consider what implications this has for a politics based in notions of identity centred on questions of sexuality and gender. 相似文献