共查询到20条相似文献,搜索用时 0 毫秒
1.
Rates of geographical mobility vary greatly, and fairly predictably, across the life course. Our analysis of special county-to-county migration tabulations of Census 2000 data discloses that, when flows are disaggregated by age, radically different patterns of net population redistribution are taking place upward and downward within the national urban hierarchy. The movements at the late-career, empty-nester, and retirement stage are the most “demographically effective” or unidirectional. The elderly fleeing large metropolitan areas have been congregating in micropolitan and rural counties with special climatic and other natural amenities. The opposite net flow is found for younger adults, who have been flocking into megametropolitan conurbations. At the midcareer stage, the net movement is from larger to medium metropolitan areas. We detail the age articulation of county-to-county migration flows with novel graphical portrayals and statistical measures. We give some thoughts on the relationship between intergenerational dependency and migration trends, and we speculate about whether the current patterns of age-articulated movement up and down the urban hierarchy will continue as the baby boom retires and the echo cohorts come of age. 相似文献
2.
地理环境整体性理论的初步探讨 总被引:9,自引:3,他引:6
对于地理环境整体性的研究有"实证"与"理解"两个互补的研究途径。地理环境整体性的研究应在"本体论"意义研究的基础上着重于"认识论"和"方法论"意义上的研究。以自组织方法论为指导的地理环境整体性的研究应主要着重于地理环境整体性的形成条件、基本动力、基本途径、基本结构和复杂图景等方面。整体性不仅是地理环境的基本性质之一,而且也(应该)是地理学的基本原理之一。 相似文献
3.
“城市空间转向”与新城市地理研究 总被引:4,自引:0,他引:4
在全球化与信息技术革命以及经济地理学的复式转向的推动下,“城市空间转向”已成为事实,城市地理研究不仅需要对物质空间进行研究,更要对人文空间及文化空间等进行研究,其研究的视点是城市空间的主观性与客观性的融合,顺应这种转变,开展新城市地理研究就成为必然。 相似文献
4.
Ola Johansson 《The Professional geographer》2013,65(3):430-432
In-car satellite navigation systems (SatNavs) are among the first products based on geographic information systems to have widespread fashionable appeal. In the United Kingdom, portable versions that are easily installed on the dashboard or front windshield have become a popular vehicle accessory. As prices have fallen, demand has increased over the last few years to the point that SatNavs might soon achieve the ubiquity of in-car entertainment systems. The rise of popularity of SatNavs, however, has also brought with it increased vulnerability to vehicle crime. Our analysis for the London borough of Newham shows a threefold increase in SatNav theft that occurred from 2005–2006 to 2006–2007. This is not limited to SatNavs being on display, but criminals also looking for the telltale signs of suction marks on the windshield indicating that a portable SatNav might be in the glove compartment or trunk of the car. A geographical analysis of these crime data is presented. Whereas the geo-engineering has focused on improving real-time visualization of position and articulation of navigational instructions, the product engineering as a portable accessory has insufficiently addressed the social implications of vulnerability in a high-crime society, the consequence being a focused acquisitive crime wave. 相似文献
5.
6.
7.
《The Journal of geography》2012,111(2):110-114
Abstract This paper summarizes the objectives and content of a course entitled “Geography in an Urban World,” given at Simon Fraser University. It outlines the manner in which this course is offered; teachers may be interested in this particular way toward a more relevant and meaningful geography. 相似文献
8.
9.
10.
11.
Anna Secor 《Urban geography》2013,34(4):430-444
The purpose of this paper is to explore the idea of the topological city, both by sharing some observations about the use of topology in critical human geography today and also by demonstrating how different modes of topological analyses of the city may work. This paper suggests that while topology is not new to the social sciences in general or geography in particular, an uptick in interest in topology in the past decade is likely due to its role in the work of Deleuze and Agamben. Topology, I suggest, can help geographers think in creative ways about spatial ontology, thereby offering some insights into the relationship between the subject and the city. I build this argument by discussing the topological workings of three cinematic cities: The Adjustment Bureau (2011), Midnight in Paris (2011), and Inception (2010). [Key words: topology, film, Lacan, subject, spatial theory.] 相似文献
12.
Ⅰ.Losatlon and Historical Development Chukiang or “the winding river” was a castle-like town which was originaIly surrounded by a wall.(Fig. 2)it is situated on the upper part of the Peikiang at the iunction of the Teheng and Wu Riwrs, and is on the crossroad both by land and water (Fig. 1). The city was developed as 相似文献
13.
中国城市地理学研究的统计分析 总被引:3,自引:1,他引:2
以<地理学报>、<地理科学>、<地理研究>自创刊至2009年底所刊载的城市地理学相关论文共523篇为数据源,对中国城市地理学的研究动态进行了统计分析.从论文数量、研究类型、研究方法、研究主题、作者单位等方面归纳了城市地理学研究的动态特征,并利用文献计量学方法估算了核心作者群及其论文情况.研究结果表明,自1980年以来中... 相似文献
14.
C.W.Wen 《地理学报(英文版)》1948,(1)
Ⅰ.Losatlon and Historical Development Chukiang or “the winding river” was a castle-like town which was originaIly surrounded by a wall.(Fig. 2)it is situated on the upper part of the Peikiang at the iunction of the Teheng and Wu Riwrs, and is on the crossroad both by land and water (Fig. 1). The city was developed as 相似文献
15.
This article investigated the pedagogical potential of the SimCity simulation game in an urban geography course. University students used SimCity to build their own cities and applied a wide range of theories to support their urban structures. Moreover, the students critically evaluated the logic and functioning of the SimCity simulation compared to real-world contexts and urban geography principles. The students believed the SimCity activity provided them with opportunities to promote their geographic creativity, resulting in diverse, unique, and interesting cities. The findings demonstrate that the use of SimCity can be an effective tool for geography education. 相似文献
16.
多样vs.分裂:论中国人文地理学发展的多元性及其挑战 总被引:1,自引:1,他引:0
从哲学、理论、方法和实践4个方面梳理了中国人文地理学内部的多元性,并区分了这些多元性的性质,即哪些是缺乏交流和整合的“散见”、哪些是需要统一和弥合的“歧见”、哪些是认识局限导致的“偏见”。据此建议加强中国人文地理学研究的问题意识和原创性理论研究;减少对“主义”的过度推崇和对方法的盲目崇拜;加强定性方法和定量方法的交流及论证过程的严谨性;在政策取向上取得“求真”和“务实”的平衡;提高学科发展的自信和对不同研究视角的包容。此外,应该在研究选题、杂志建设和奖项设置等操作层面推动人文地理学的理论整合。 相似文献
17.
地理尺度问题中不确定性原理的假设探讨 总被引:3,自引:0,他引:3
尺度是广泛存在于地学、生态学、气象、遥感等领域中的一个重要概念.尺度研究可以避免 用错误的空间尺度观测问题和对因果关系的曲解.科学有效的尺度选择和尺度转换方法不可 或缺,而尺度转换问题是复杂的,在科学界一直未得到很好的解决.在进一步阐述尺度及尺 度转换概念的基础上,引入理论物理学中的不确定性原理(测不准原理),以此为依据阐述 不确定因素存在于尺度问题中的必然性,同时提出“尺度态”的概念,并指出其本质就是尺 度转换问题中不确定性的表达,具体表现为不同操作尺度、不同研究结果的概率分布.试图对地理尺度及尺度转换问题在理论上有更进一步的认识. 相似文献
18.
城市地理分形研究的回顾与前瞻 总被引:57,自引:7,他引:57
简要地回顾了城市地理学的分形研究历程,重点介绍了国内分形城市和城市体系的研究成果,对比了中外有关研究的异同,指出了存在的问题和未来的发展方向,论述了城市地理分形研究的意义和前景。 相似文献
19.
《The Journal of geography》2012,111(3-4):153-168
Abstract This article examines key topics and concepts in the cities and urban land use section of the Advanced Placement human geography course. Among the topics discussed are definitions of urbanism, the origin and evolution of cities, functional character of contemporary cities, the built environment and social space, and responses to urban growth. 相似文献
20.
R. J. JOHNSTON 《New Zealand geographer》1969,25(2):121-135