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Search Results: 1 - 10 of 4744 matches for " Erik Churchill "
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Rese a de "Historia del siglo XX, Barcelona" de Eric Hobsbawn
Chuck Churchill
Política y cultura , 1996,
Communities in control? The challenges of neighbourhood governance with reference to local government reform in England
Harriet Churchill
Commonwealth Journal of Local Governance , 2008, DOI: 10.5130/cjlg.v1i0.757
Abstract: Recent local government and public service reforms in England have been orientated towards devolving public service delivery and decision-making to the neighbourhood level. These reforms have been driven by political, social and managerial agendas that aim to make local government more accountable and responsive to local communities, to build social capital and to enhance the cost-effectiveness of local services. This paper, with reference to the current policy framework in England, aims to identify and review the possibilities and challenges for local government officials and partner agencies in moving towards decentralised public service provision and governance. The paper initially identifies the key aspects of reform brought in by the central government Department of Communities and Local Government that seek to extend neighbourhood influence and governance structures. The discussion then turns towards considering the challenges in ensuring effective citizen participation – namely responding to multiple policy objectives; devising appropriate neighbourhood governance structures; re-thinking the role of local government; identifying and managing trade-offs; building community and local government capabilities for wide-ranging participation; and ensuring effective partnership working at all levels of local government. In conclusion the important steps towards tackling these challenges in England are recognised although a number of concerns remain.
An Advanced Review of the Relationships between Sahel Precipitation and Climate Indices: A Wavelet Approach
Churchill Okonkwo
International Journal of Atmospheric Sciences , 2014, DOI: 10.1155/2014/759067
Abstract: The interannual and decadal to multidecadal variability of precipitation in western Sahel region was examined using wavelet transform and coherency analysis. The aim was to identify the major climate index that has a robust relationship with Sahel precipitation (drought). The results show that ENSO, North Atlantic Oscillation (NAO), Atlantic Multidecadal Oscillation (AMO), and Indian Ocean Dipole (IOD) all have some relationship with precipitation at different time scales which is in agreement with recent studies. There is an antiphase relationship between Sahel precipitation and ENSO at the 3-4-year band localized around 1982/83 El Ni?o episode. This indicates a cause and effect relationship between the droughts of 1983 and 1982/83 El Ni?o. In addition, wavelet transform coherence analysis also revealed a relatively antiphase relationship between AMO and precipitation signifying cause and effect. The wavelet analyses indicate that IOD control on rainfall variability in Sahel is limited to the east (15°E–35°E). Advancing this understanding of variability in rainfall and climate forcing could improve the accuracy of rainfall forecast. 1. Introduction Several authors have reported marked interannual variability in rainfall across Africa [1–3]. Since economic development in the region is highly dependent on water availability [4], the effect of climate variability on rainfall is critical [5]. Western Sahel region (latitudes 14°N and 18°N—longitude ?18°W to 10°W) is the semiarid transition zone between the Sahara desert and humid tropical Africa that is prone to drought [6, 7]. The Disaster Management Center (DMC) [8] reported that more than 900,000 people were severely affected by the devastating drought of the 1970s across the Sahel. The associated social and economic consequence of drought such as failure in crop yield, destruction of pasture, and famine has led to a series of studies exploring the interactions and dynamics that control precipitation within the region. Over the past three decades, studies on the possible causes of drought in Sahel have focused on forcing by either sea surface temperature (SST) or land-atmosphere interaction. Simulations of hydrological impact of land-atmosphere interactions include [9–12] which all attributed reduced rainfall to degradation of land surface at least in part. Li et al. [12] confirmed the impact of land surface changes on the regional climate through a feedback mechanism that sustains drought. The contribution of these mechanisms has however been exaggerated [13, 14] especially the characterization of
On the Possibility that Mg II Absorbers Can Track the Merger Evolution of Galaxy Groups from High Redshift
Chris Churchill
Physics , 1999,
Abstract: The properties of Mg II absorption-selected systems show a large variety of kinematics and higher ionization conditions. A multivariate taxonomic study of Mg II absorbers has yielded an "extreme" class of "Double" systems. These Double systems are characterized by kinematic velocity spreads up to 400 km/s, and by twice the Ly alpha, Mg II, Fe II, and C IV absorption strengths of the more typical, "Classic", Mg II system. Evolution in the number per unit redshift of these systems is compared to the redshift evolution in the number of close pairs of galaxies. It is found to be a plausible scenario that Double systems arise in small groups of galaxies, implying that they might trace close pair evolution to high redshifts.
Mg II Absorber Number Density at z~0.05: Implications for Omega_DLA Evolution
Chris Churchill
Physics , 2001, DOI: 10.1086/322512
Abstract: An unbiased sample of 147 quasar/AGN spectra, obtained with the FOS/HST, has been searched for intervening MgII absorbers over the redshift range 0=0.06, yielding a redshift number density dN/dz=0.22(+0.12)(-0.09) for absorbers with W_r(2796)>0.6 Ang. This is consistent with the value expected if these systems do not evolve from higher redshifts (z=2.2). [2] No systems with W_r(2796)<0.6 Ang were found. It is a 2-sigma result to have a null detection of smaller W_r(2796) systems. If this implies a turnover in the low W_r(2796) region of the equivalent width distribution at z~0, then there is at least a 25% reduction in the average galaxy gas cross section from z<0.2 galaxies. [3] These systems have strong FeII absorption and are good candidates for damped Ly-alpha absorbers DLAs (see Rao & Turnshek 2000, ApJS, 130, 1). This translates to a redshift number density of dN/dz=0.08(+0.09)(-0.05) for DLAs at z~0. In tandem with the data analyzed by Rao & Turnshek, these results indicate that the redshift number density of DLAs does not evolve from z~4 to z~0. If the HI mass function does not evolve from z~0.5 to z~0, then the cosmological HI mass density is also deduced to not evolve from z~4 to z~0. These z~0 results for MgII absorption-selected DLAs are at odds with those based upon 21-cm emission from HI galaxies by a factor of five to six.
Kinematics of log N(HI)~17 [cm^-2], Metal-Rich Gas Extended Around Intermediate Redshift Galaxies
Chris Churchill
Physics , 2000,
Abstract: The kinematics of metal-enriched, low-ionization gas at large galactocentric distances are compared to the host galaxy properties and are discussed in the context of global galaxy evolution.
X-Efficiency among Chinese Banks  [PDF]
Roger Frantz, Brandyn Churchill, Taylor Mackay
Open Journal of Social Sciences (JSS) , 2015, DOI: 10.4236/jss.2015.33013
Abstract: X-efficiency is a non-allocative form of efficiency first introduced by Harvey Leibenstein in 1966. The degree of X-efficiency is measured by the deviation of a firm’s costs of production from the technologically minimum costs of production. X-efficiency theory predicts that firms will produce closer to their cost function when they face pressure to do so. In this paper we review studies of X-efficiency among Chinese banks. These studies include the effect of ownership form, for example, state-owned banks versus privately-owned banks, on costs of production. China’s entrance into the WTO, the effect of a bank issuing an IPO and the effect of bank size are other topics of empirical studies reviewed in this paper. In addition some studies on Hong Kong banks before 1997 are included.
Bridging education and training in ageing and disability: the European Care Certificate (ECC)
James Churchill,Eva Gyorki
International Journal of Integrated Care , 2009,
Evidence of a Large-Scale Functional Organization of Mammalian Chromosomes.
PLOS Genetics , 2005,
Abstract: Evidence from inbred strains of mice indicates that a quarter or more of the mammalian genome consists of chromosome regions containing clusters of functionally related genes. The intense selection pressures during inbreeding favor the coinheritance of optimal sets of alleles among these genetically linked, functionally related genes, resulting in extensive domains of linkage disequilibrium (LD) among a set of 60 genetically diverse inbred strains. Recombination that disrupts the preferred combinations of alleles reduces the ability of offspring to survive further inbreeding. LD is also seen between markers on separate chromosomes, forming networks with scale-free architecture. Combining LD data with pathway and genome annotation databases, we have been able to identify the biological functions underlying several domains and networks. Given the strong conservation of gene order among mammals, the domains and networks we find in mice probably characterize all mammals, including humans.
Resoundings of the flesh: Caring for others by way of “second person” perspectivity
Scott D. Churchill
International Journal of Qualitative Studies on Health & Well-Being , 2012, DOI: 10.3402/qhw.v7i0.8187
Abstract: In bringing ourselves to the encounter with the experience of others, we bring our bodies with us—and, in doing so, we are able to resonate not only intellectually but also empathically with the other's experiences and expressions (which are given to us both verbally and nonverbally). In remaining faithful to our foundations in phenomenology (Husserl, Heidegger, Merleau-Ponty, and Levinas), we shall talk about taking notice of others from within the relational “exchange” and reflect upon what, precisely, are the experientially given “affairs” to which Husserl invited us to return. Our interest begins with the other's “first person” experience, but since we cannot access this directly, we must rely on the resonance we find within ourselves, within our own lived bodies, when we are addressed by the other, whether in word or in gesture. I am wondering what the other is experiencing and all my powers of perception are driven toward this other, whose first person experience remains just out of reach and accessible only insofar as I have this capacity for a deeper “bodily felt” awareness in which the other's experience takes possession of me. Merleau-Ponty's notion of bearing “witness” to behavior is useful in illuminating this “second person” perspective, which takes its point of departure from Husserl's (1910–1911) intersubjective reduction, by means of which we “participate in the other's positing” (1952/1989, emphasis added) and thereby grasp the meaning of the other's expression. Ultimately, the intuitive talent of the caring professional will be shown to reside in his or her being able to move beyond what the other is able to say to a more deeply felt attunement to what is being revealed to us in the other's presence. Applications to patient care are discussed.
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