共查询到20条相似文献,搜索用时 15 毫秒
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O. A. Kibal'chich 《Eurasian Geography and Economics》2013,54(7):26-36
A methodology in described to forecast the “passenger intensity” of population centers and economic regions or subregions, expressed as the ratio of passenger departures to total population. Intra-regional passenger intensity in found to be closely related to income levels and to availability of a transport net. A greater complexity of factors dictates the passenger-forming role of economic regions in inter-regional traffic. 相似文献
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Jonathan D. Phillips 《Geographical analysis》1988,20(4):308-317
Geomorphic systems are characterized by numerous, complex interrelationships between system components, and by processes and controls which may operate over different spatial scales. Factors operating at any given spatial scale can be viewed as an abstracted subset of all relationships operating at all scales. The theory that relationships which operate over spatial scales an order of magnitude different are effectively independent of each other is formally stated in terms of abstracted systems. An example is given to illustrate the use of spatial statistics to determine what constitutes a significant spatial scale difference in controls over hydraulic geometry of a desert wash. 相似文献
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Jonathan D. Phillips 《Geographical analysis》1991,23(4):316-331
Studies of human influences on the environment may treat human agency as an imposed, exogenous source of change or disturbance, or as an intrinsic part of earth surface systems. Consideration of human influences as exogenous or endogenous to earth surface systems can affect, or even predetermine, the outcome of analyses. This is demonstrated via qualitative stability analyses of generalized mass-and-energy-flux systems. When human impacts are considered as external disturbances such systems are stable, and will regain equilibrium after changes or perturbations. Conversely, when human impacts are included as a system component, with goals of either maximizing or minimizing throughput of mass and energy, the system is inherently unstable. 相似文献
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The area of research that is considered the proper domain of population geography is defined. In addition to an areal approach to the analysis of various aspects of population, such as growth, structure, migration and settlement patterns, there is great need for synthetic regional population studies, integrating all aspects of population within a particular territory. Causal relationships must be explained and the study of population must be related to the study of economic location. 相似文献
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Markus Meckl 《European Legacy》2008,13(7):815-824
In memory of Alina Margolis-Edelman 相似文献
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从西罗马帝国灭亡到意大利统一,从中央集权到大区自治,从罗马教廷的控制到天民党的长期执政,这是发生在意大利历史发展过程中的三次传统的断裂与延续。传统的断裂与延续,是意大利历史发展的一个鲜明特征。 相似文献
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D. G. Khodzhayev 《Eurasian Geography and Economics》2013,54(8):619-629
A government official outlines some of the Soviet problems of settlement to which answers are expected from population geographers. They include: restrictions on excessive growth of large cities; promotion of industrial plant location in small and medium-size cities suffering from underemployment; prediction of ultimate population of large cities; determination of the optimal size and type of rural population centers. Population geographers are called upon to study large cities with a view to determining where further concentration of industry should be prohibited, and to select small cities suitable for plant location. 相似文献
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Timothy J. White 《European Legacy》2010,15(3):341-352
Bertie Ahern, the incumbent Taoiseach or Prime Minister of Ireland, was elected to a third term in the general election of 24 May 2007. While Ahern's party, Fianna Fáil, was able to retain its governing coalition, the level of support of some of the other parties changed dramatically. Fine Gael, the principal opposition party, saw its number of seats in the parliament, Dáil Éireann, increase by nineteen. Some of the minor parties did less well than expected or compared to previous elections. Only the Greens maintained their six representatives. As a result, they were rewarded with a share in the new government. This election suggests that, while Irish society is changing rapidly, the political system is changing more slowly and subtly. This article examines the election results in terms of the fate of the political parties and focuses on one constituency, Tipperary South, to illustrate trends in Irish electoral politics. 相似文献
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In the middle of the twentieth century psychiatry underwent a transition that is often referred to as the "psychopharmacology revolution." Implicit in the term revolution is the idea that a paradigm shift occurred. Specifically, it has been argued that psychiatry abandoned the psychoanalytic paradigm in favor of a qualitatively distinct conceptual system based on brain chemistry. The validity of this view requires that psychoanalysis had the status of a paradigm. This paper presents evidence that psychoanalysis did not constitute a paradigm and that the advent of psychopharmacology was not, technically, a scientific revolution. Instead, the rise of modern psychopharmacology was the culmination of a linear growth of biological knowledge that began to develop in the nineteenth century. 相似文献