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Surface temperature variability analysis of an urban area using Landsat ETM+ thermal images 基于Landsat ETM+热图像的城市地表温度变化分析
Q2 Social Sciences Pub Date : 2017-01-02 DOI: 10.1080/10225706.2017.1322992
D. Kumar
ABSTRACT The issues relating to global warming and urban heat island have praised the global inclination toward the study of surface temperature (ST) variations. ST is undeniably considered as one of the most significant parameters to assess the impact of temperature variability in any urban environment. The present work tries to extend the work beyond the thermal image processing for variability analysis with a multiscale cell division approach. Subsequently, a radical approach in conjunction with formal statistical techniques is attempted to characterize the spatial variability for the directional attributes. These methods may be helpful in detecting and quantifying the spatial variability at major and minor scales. The spatial variability is investigated to illustrate the spatial distribution of temperature over urban–rural (Rurban) areas contributing to the heat island. The results seemingly revealed that there is an aggregation of the spatial thermal gradient along Rurban areas and vice versa, whereas urban fringe exhibited very complex results of temperature variability for the various land use. The study also validated the approaches for integration of spatial variability techniques with the formal statistical approach as a reliable mechanism to monitor the thermal dynamics in the urban environment.
摘要与全球变暖和城市热岛有关的问题赞扬了全球对地表温度变化研究的倾向。不可否认,ST被认为是评估任何城市环境中温度变化影响的最重要参数之一。本工作试图将工作扩展到热图像处理之外,用多尺度细胞分裂方法进行变异性分析。随后,尝试将一种激进的方法与形式统计技术相结合,来表征方向属性的空间可变性。这些方法可能有助于检测和量化大尺度和小尺度的空间变异性。对空间变异性进行了研究,以说明城市-农村(Rurban)地区的温度空间分布对热岛的影响。结果似乎表明,Rurban地区的空间热梯度是聚集的,反之亦然,而城市边缘地区在各种土地利用中表现出非常复杂的温度变化结果。该研究还验证了将空间变异性技术与形式统计方法相结合的方法,将其作为监测城市环境热动力学的可靠机制。
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引用次数: 2
An archipelagic tourism development model: the case of Okinawa Prefecture 群岛旅游开发模式:以冲绳县为例
Q2 Social Sciences Pub Date : 2017-01-02 DOI: 10.1080/10225706.2017.1323654
David N. Nguyen
ABSTRACT This paper advances geographic theoretical models on the spatial and temporal effects of tourism development and modifies them to analyze archipelagic destinations. Using Okinawa, Japan, as a case study, changes in the distribution of resort hotels, transportation linkages, tourism numbers, and development policies are examined over a period of 40 years. The results of this empirical study suggest that Okinawa’s development corresponds very closely to the archipelagic model which, in turn, corresponds to other similar models predicting the spread of tourism.
摘要本文提出了旅游发展时空效应的地理理论模型,并对其进行了修正,以分析群岛目的地。以日本冲绳为例,研究了40年来度假酒店分布、交通联系、旅游业数量和发展政策的变化。这项实证研究的结果表明,冲绳的发展与群岛模型非常吻合,而群岛模型又与预测旅游业传播的其他类似模型相吻合。
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引用次数: 3
Tree-ring based February–April relative humidity reconstruction since A.D. 1695 in the Gaoligong Mountains, southeastern Tibetan Plateau 1695年以来基于树木年轮的青藏高原东南部高黎贡山2-4月相对湿度重建
Q2 Social Sciences Pub Date : 2017-01-02 DOI: 10.1080/10225706.2017.1325758
Yuming Jiang, Zongshan Li, Z. Fan
ABSTRACT High-resolution proxy data are limited in the southeastern Tibetan Plateau, which inhibits our understanding of long-term climate variability in historical periods. In this study, we developed one tree-ring-width chronology of Tsuga dumosa (D. Don Eichler) in the Gaoligong Mountains, southeastern Tibetan Plateau. Tree-ring-width chronology showed negative correlations with monthly temperatures in most months, especially for current year, whereas correlations with precipitation and relative humidity were mostly positive. Significant positive correlations were found between tree rings and relative humidity in February, April and June of current year and May of previous year. February–April relative humidity was reconstructed for the past 321 years (A.D. 1695–2016) in the Gaoligong Mountains, which explained 26% of the actual variance during the calibration period 1962–2004. In this reconstruction, dry periods occurred in 1808–1820, 1831–1842, 1914–1921, 1958–1964 and 1980–1988. Wet periods were found in 1700–1727, 1821–1830, 1843–1859, 1944–1957 and 1965–1979. The dry and wet episodes of our relative humidity reconstruction match well other studies in the nearby regions, which demonstrate that the new record is reliable and captures large-scale climate signals.
摘要青藏高原东南部的高分辨率代理数据有限,这阻碍了我们对历史时期长期气候变化的理解。在本研究中,我们建立了青藏高原东南部高黎贡山杜摩沙(D.Don Eichler)的一个树木年轮宽度年表。年轮宽度年表在大多数月份,尤其是当年,与月气温呈负相关,而与降水量和相对湿度呈正相关。树木年轮与当年2月、4月、6月和上年5月的相对湿度呈显著正相关。对高黎贡山过去321年(公元1695年至2016年)的2月至4月相对湿度进行了重建,这解释了1962年至2004年校准期间26%的实际变化。在这次重建中,干旱期发生在1808年至1820年、1831年至1842年、1914年至1921年、1958年至1964年和1980年至1988年。在1700–1727年、1821–1830年、1843–1859年、1944–1957年和1965–1979年发现了雨季。我们相对湿度重建的干湿事件与附近地区的其他研究非常吻合,这表明新记录是可靠的,并捕捉到了大规模的气候信号。
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引用次数: 13
The role of private sector in built heritage conservation: a case study of Xinhepu, Guangzhou 私营部门在建筑遗产保护中的作用——以广州新合浦为例
Q2 Social Sciences Pub Date : 2016-07-02 DOI: 10.1080/10225706.2016.1250645
Anna Ka-yin Lee
ABSTRACT The pursuit of cultural heritage conservation is particularly problematic in China as the country has been undergoing substantial changes in its governance processes in the post-reform era. As the regime becomes less authoritarian and more pluralized, a multitude of stakeholders (both state and non-state), are now involved in promoting, constructing, challenging and safeguarding a variety of meanings and values in heritage. This paper focuses the attention on the market sector and examines the extent of market forces in contributing to effective heritage conservation using the designated historic district of Xinhepu in the old residential district of Yuexiu in Guangzhou as a case. The concept of neoliberalism implies a larger role played by the market, which is defined as investment, expertise and innovations from the private operators. Informed by a review of relevant documents and publications, and semi-structured interviews with Guangzhou-based state- and non-stakeholders who have extensive knowledge on managing the historic district, this paper examines the achievements and difficulties of individual private operators face in protecting heritage buildings and historic buildings on the site. The findings suggest that Guangzhou has yet to fully embrace a neoliberal approach to heritage conservation. The conditions of extending market forces to successfully conserve the entire historic district include the formulation of a clear set of regulatory rules and the presence of implementing agencies with enhanced institutional and organizational strength, both of which are regrettably absent in the case.
文化遗产保护在中国尤其成问题,因为中国在后改革时代的治理过程中经历了重大变化。随着政权变得不那么专制和更加多元化,众多利益相关者(包括国家和非国家)现在都参与到促进、构建、挑战和保护遗产的各种意义和价值中来。本文以广州越秀区旧住宅区新合浦指定历史街区为例,将注意力集中在市场领域,考察市场力量对有效遗产保护的贡献程度。新自由主义的概念意味着市场发挥更大的作用,它被定义为来自私人经营者的投资、专业知识和创新。通过查阅相关文件和出版物,以及对广州的国有和非利益相关者进行半结构化访谈,本文考察了个体私营经营者在保护遗址上的文物建筑和历史建筑方面所面临的成就和困难。调查结果表明,广州尚未完全接受新自由主义的遗产保护方法。扩大市场力量以成功地保护整个历史街区的条件包括制订一套明确的管理规则,并有加强体制和组织力量的执行机构存在,令人遗憾的是,这两者在本案例中都没有。
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引用次数: 6
The frontier crisis and the construction of modern Chinese geography in Republican China (1911–1949) 民国边疆危机与近代中国地理学建构(1911-1949)
Q2 Social Sciences Pub Date : 2016-07-02 DOI: 10.1080/10225706.2016.1252274
Zhihong Chen
ABSTRACT The article probes into the connection between territorial nationalism and the disciplinary formation of modern geography in early twentieth-century China. It explores how a group of Republican Chinese geographers, such as Zhu Kezhen 竺可楨 (1890–1974), Hu Huanyong 胡煥庸 (1901–1998), and Zhang Qiyun張其昀 (1900–1985), reexamined Chinese traditional dynastic geography (yange dili) and defined the nature and methodology of what they called the “new geography” under the context of foreign imperialism, Chinese nationalism, and escalating frontier crisis. It argues that Chinese intellectuals’ efforts to overcome the frontier crisis led to a significant shift of major methodology in geography from textual research to actual fieldwork or on-site investigation. The adoption of this new methodology distinguished the “new geography” from the old dynastic geography. Geographers also grappled with multiple concepts and diverse traditions in physical geography, human geography and regional geography. Environmental determinism was adopted but quickly replaced by possibilist approaches. There were also attempts at reforming the traditional Chinese gazetteers using modern geographic ideas. Geographical research was imbued with political concerns. Cooperation between geographers and the state also led to the establishment of important geographical departments and study societies, providing institutional foundation for the maturation of modern Chinese geography as a discipline independent of either history or geology.
本文探讨了20世纪初中国近代地理学学科形成与地域民族主义的关系。它探讨了一群中国共和派地理学家,如竺可桢(1890-1974)、胡环庸(1901-1998)和张启云(1900-1985),如何在外国帝国主义、中国民族主义和不断升级的边境危机的背景下,重新审视中国传统的王朝地理学(杨帝理),并定义他们所谓的“新地理学”的性质和方法。文章认为,中国知识分子克服边疆危机的努力导致地理学的主要方法论从文本研究转向实际的田野调查或实地考察。这种新方法的采用使“新地理学”区别于旧王朝地理学。地理学家还在自然地理学、人文地理学和区域地理学中努力应对多种概念和不同的传统。环境决定论被采纳,但很快被可能性主义方法所取代。也有人尝试用现代地理思想改革传统的中国地名辞典。地理研究充满了政治关切。地理学家与国家的合作也促成了重要的地理系和研究会的建立,为近代中国地理学作为一门独立于历史和地质的学科的成熟提供了制度基础。
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引用次数: 5
The political economy of 2015 Nepal earthquake: some critical reflections 2015年尼泊尔地震的政治经济学:一些批判性反思
Q2 Social Sciences Pub Date : 2016-07-02 DOI: 10.1080/10225706.2016.1235053
K. D. Regmi
ABSTRACT A massive earthquake of 7.6 magnitudes on 25 April 2015 and a major aftershock of 6.8 magnitudes on 12 May 2015 hit central Nepal. The earthquake took the lives of about 9000 people, injured about 24,000 and affected one-third of Nepal’s total population (28 million). Despite a huge amount of money (US$ 4.4 billion) pledged by the international community, reconstruction works could not take place on time. Using participatory approach to reconstruction and development as a theoretical framework and reflexivity as a methodological tool, this paper argues that the delay in reconstruction was caused by the inability of the Government of Nepal (GON) as well as the international community, mainly donors, to encourage local participation. The amount of loan pledged by the international community has increased Nepal’s debt stock rather than really helping those who are affected by the disaster. The paper concludes that the modernist top-down model of development – that both government and donors take for granted – has created roadblocks towards understanding Nepal’s contextual realities. Sustainable reconstruction and development cannot be achieved without strengthening the capability of local communities.
2015年4月25日,尼泊尔中部发生7.6级大地震,5月12日发生6.8级余震。地震造成约9000人死亡,约2.4万人受伤,受灾人口占尼泊尔总人口(2800万)的三分之一。尽管国际社会承诺提供巨额资金(44亿美元),但重建工作未能按时进行。本文以参与重建和发展的方法作为理论框架,以反思性作为方法工具,认为重建的延迟是由于尼泊尔政府(GON)以及国际社会(主要是捐助者)无法鼓励当地参与造成的。国际社会认捐的贷款数额增加了尼泊尔的债务存量,而不是真正帮助那些受灾害影响的人。这篇论文的结论是,现代主义自上而下的发展模式——政府和捐助者都认为这是理所当然的——为理解尼泊尔的背景现实设置了障碍。如果不加强地方社区的能力,就不可能实现可持续的重建和发展。
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引用次数: 26
Participatory mapping for community empowerment 参与式绘制社区赋权图
Q2 Social Sciences Pub Date : 2016-07-02 DOI: 10.1080/10225706.2016.1237370
M. A. Hossen
ABSTRACT This paper attempts to show how participatory mapping practices can contribute to local water resource management for community empowerment. The river bank communities such as Chapra encounter exclusion because of geographic aspects of local water development projects. To understand this exclusion, this paper focuses on the research question; why did the Ganges-Kobodak and the Gorai River Restoration Projects cover some parts of Chapra and ignore others? This question is addressed here by using participatory mapping based on qualitative and quantitative data analyses in coordination with cartographic knowledge. For these data, I use my Ph.D. fieldwork experiences in 2011–2012 on the Gorai River bank communities at Chapra in Bangladesh. My data analyses found that the projects’ boundary selection follows the top-down approach that includes some specific geographic areas and excludes others based on specific interests. To understand the effects of this approach on Chapra communities and to promote community participation, this paper is divided into three major sections: participatory mapping in the context of my fieldwork site, bottom-up mapping approach as foundation for community inclusion, and participatory mapping for community empowerment: local development and resource conservation. These sections will be helpful for responding the above research question and for developing better understanding about community empowerment by participatory mapping approach.
本文试图展示参与式制图实践如何有助于当地水资源管理,从而增强社区的权能。像查普拉这样的河岸社区由于当地水资源开发项目的地理因素而遭到排斥。为了理解这种排斥,本文重点研究了研究问题;为什么恒河-科博达克河和戈莱河修复工程只覆盖了恰普拉的部分地区,而忽略了其他地区?这个问题在这里是通过利用基于定性和定量数据分析的参与式制图与制图知识相协调来解决的。对于这些数据,我使用了我在2011-2012年在孟加拉国查普拉的戈莱河岸社区的博士实地工作经验。我的数据分析发现,项目的边界选择遵循自上而下的方法,包括一些特定的地理区域,并根据特定的利益排除其他区域。为了了解这种方法对恰普拉社区的影响并促进社区参与,本文分为三个主要部分:我的实地调查背景下的参与式测绘,自下而上的测绘方法作为社区包容的基础,以及社区赋权的参与式测绘:地方发展和资源保护。这些章节将有助于回答上述研究问题,并有助于通过参与式绘图方法更好地理解社区赋权。
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引用次数: 13
Tourist’ expectation and satisfaction towards pedestrian networks in the historical district of Kuala Lumpur, Malaysia 游客对马来西亚吉隆坡历史街区步行网络的期望和满意度
Q2 Social Sciences Pub Date : 2016-01-02 DOI: 10.1080/10225706.2016.1185639
Mahsa Mansouri, Norsidah Ujang
ABSTRACT Despite urban designers attempt to advocate walking in urban areas by upgrading the walking environment, there has been very little research done to corroborate this claim. More studies are required to investigate the connection between the walking environment and actual walking experience particularly in the context of Asian cities. This study discusses the effects of pedestrian accessibility, connectivity and continuity on tourists’ walking experience based on their expectations and satisfaction of the pedestrian networks. The study focused on the historical district of Kuala Lumpur, Malaysia. Data were gathered from questionnaire survey conducted with 330 respondents, who were tourists walking in the area. The study demonstrated that tourists’ expectations on the spatial characteristics of walkways in terms of accessibility, connectivity and continuity were greater than their satisfaction. The tourists’ satisfaction relates strongly to diverse street usages and activities. The findings of the study will be a useful reference for planners and urban designers in providing walkable places to support urban tourism activities.
尽管城市设计师试图通过改善步行环境来提倡在城市地区步行,但很少有研究证实这一说法。需要更多的研究来调查步行环境和实际步行体验之间的联系,特别是在亚洲城市的背景下。本研究基于游客对步行网络的期望和满意度,探讨了步行可达性、连通性和连续性对游客步行体验的影响。这项研究的重点是马来西亚吉隆坡的历史街区。数据收集自对330名在该地区行走的游客进行的问卷调查。研究表明,游客对步道空间特征在可达性、连通性和连续性方面的期望大于满意度。游客的满意度与不同的街道用途和活动密切相关。研究结果将为规划师和城市设计师提供有用的参考,以提供适合步行的地方,以支持城市旅游活动。
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引用次数: 25
Geographically uneven landscapes of Asian corruption 亚洲腐败的地理格局参差不齐
Q2 Social Sciences Pub Date : 2016-01-02 DOI: 10.1080/10225706.2016.1197136
Barney Warf
ABSTRACT Corruption plagues all Asian countries to one extent or another. Rather than the universal one-size-fits-all models, corruption must be understood within national and local contexts, that is, as geographically variable. This paper explores this issue in three steps. First it offers a discussion of corruption’s origins and consequences, noting the catalyzing role played by anti-democratic governments, censorship, poverty, illiteracy, and cultural norms. Second, it maps Asian corruption using data from Transparency International and correlates it with several economic and political measures, including national income, the Gini index, literacy, a Freedom House score, and the World Bank measure of government effectiveness. The third part consists of an extended discussion of national variations in corruption throughout the region, focusing on China and other highly corrupt states. The conclusion criticizes the role of anti-corruption campaigns and points to other, more substantive strategies to reduce it.
腐败或多或少地困扰着所有亚洲国家。与通用的一刀切模式不同,必须在国家和地方背景下理解腐败,也就是说,腐败在地理上是可变的。本文分三步探讨这一问题。首先,它讨论了腐败的起源和后果,指出了反民主政府、审查制度、贫困、文盲和文化规范所起的催化作用。其次,它使用透明国际的数据绘制亚洲腐败地图,并将其与几个经济和政治指标相关联,包括国民收入、基尼系数、识字率、自由之家得分和世界银行衡量政府效率的指标。第三部分包括对整个地区腐败的国家差异的扩展讨论,重点是中国和其他高度腐败的国家。结论部分批评了反腐运动的作用,并指出了其他更实质性的策略来减少腐败。
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引用次数: 7
Feeling/filling closet smoking spaces: negotiating public–private spheres, traversing emotional terrains 感觉/填充壁橱吸烟空间:协商公私领域,穿越情感领域
Q2 Social Sciences Pub Date : 2016-01-02 DOI: 10.1080/10225706.2015.1137218
Q. Tan
ABSTRACT Aligned with geography's efforts to recover subaltern spaces, this paper investigates the phenomenon of smoking in Singapore through the concept of the queer closet. In so doing, I argue that the closet offers a refreshing analytical framework for thinking about the spatial politics of smoking beyond the dichotomies of public and public spheres, visibility and invisibility, concealment and disclosure, among others. By employing a qualitative methodology, I examine how embodied senses of fragmented selves may vary across space as young people selectively “out” themselves as smokers. Relatedly, I demonstrate that they are to varying degrees, in and out of the closet. Additionally, I contend that they are creative agents who are capable of working around the spatio-social constraints that have been imposed by the Smoking (Prohibition in Certain Places) Act.
本文结合地理学对底层空间恢复的努力,通过酷儿衣橱的概念来调查新加坡的吸烟现象。在这样做的过程中,我认为,衣柜提供了一个令人耳目一新的分析框架,可以超越公共领域和公共领域、可见性和不可见性、隐藏性和公开性等二分法来思考吸烟的空间政治。通过采用定性方法,我研究了当年轻人选择性地“出”自己是吸烟者时,碎片化自我的具体感觉如何在空间上变化。与此相关,我证明了他们在不同程度上是出柜或出柜的。此外,我认为他们是创造性的代理人,能够绕过《某些地方禁止吸烟法》所施加的空间-社会限制。
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引用次数: 6
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Asian Geographer
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