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The Upriver Reach of a Delta Town： Jiujiang Migrants in the West River Basin, Sixteenth--Nineteenth Centuries

Frontiers of History in China 2013年第2期8卷 153-175页

作者： Steven B. Miles Department of History Washington University in St. Louis St. Louis MO 63130-4899 USA

This article situates the pearl River delta market town of Jiujiang within a system of market towns and cities along the West River and its tributaries in southern China. Exploring the history of this town as an emigrant community, this article follows the upstream movement of officials, civil service examinees, merchants, and permanent settlers along the West River basin between the sixteenth century and the nineteenth century. The trajectory of migration from this market town was shaped by the geographical factors of the West River system. At the same time, migration, which was related both to strategies that Jiujiang families embraced for socioeconomic advancement and to policies that the Ming and Qing states adopted for controlling the southwestern frontier, played an important role in the historical construction of a unified region linked by economic ties and personal networks.

关键词： market town migration region Ming Qing West River pearl riverdelta

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A novel method for approximating intercity networks： An empirical comparison for validating the city networks in two Chinese city-regions

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Journal of Geographical Sciences 2015年第3期25卷 337-354页

作者： ZHAO Miaoxi WU Kang LIU Xingjian BEN Derudder College of Architecture/State Key Laboratory of Subtropical Building Science South China University of Technology Guangzhou 510640 China College of Urban Economics and Public Management Capital University of Economics and Business Bei- jing 100070 China Department of Geography and Earth Sciences University of North Carolina at Charlotte Charlotte NC 28223 USA Department of Geography Ghent University Ghent B9000 Belgium

A network perspective has increasingly become an organizational paradigm for understanding regional spatial structures. Based on a critical overview of existing empirical models for estimating intercity networks based on firm linkages, this study extends the re- cently proposed regional corporate city model algorithm by proposing a new method for ap- proximating urban networks based on the Iocational strategies of firms. The new method considers both regional and hierarchical network features and avoids the information loss associated with the conversion from two-mode firm-city networks to one-mode city-city networks. In addition, networks estimated by using the method proposed herein are suitable when employing social network analysis. Finally, this method is empirically validated by ex- amining intercity firm networks formed by advanced producer services firms in China＇s two largest metropolitan areas, namely the Yangtze River Delta and pearl River Delta. The pre- sented empirical analysis suggests two main findings. First, in contrast to conventional methods （e.g., the interlocking city network model）, our new method produces regional and hierarchical urban networks that more closely resemble reality. Second, the new method al- lows us to use social network analysis to assess betweenness and closeness centralities. However, regardless of the model applied, the validity of any method that measures urban networks depends on the soundness of its underlying assumptions about how network actors （firms, in our case） interact.

关键词： city network network measurement advanced producer service Yangtze River Delta pearl riverdelta

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Spatio-temporal association analysis of county potential in the pearl River Delta during 1990-2009

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Journal of Geographical Sciences 2015年第3期25卷 319-336页

作者： MEI Zhixiong XU Songjun OUYANG Jun School of Geography South China Normal University Guangzhou 510631 China

According to the highway data and some socioeconomic data of 1990, 1994, 2000, 2005 and 2009 of county units in the pearl River Delta, this paper measured urban integrated power of different counties in different years by factor analysis, and estimated each county＇s potential in each year by means of expanded potential model. Based on that, the spa- tio-temporal association patterns and evolution of county potential were analyzed using spa- tio-temporal autocorrelation methods, and the validity of spatio-temporal association patterns was verified by comparing with spatial association patterns and cross-correlation function. The main results are shown as follows：（1） The global spatio-temporal association of county po- tential showed a positive effect during the study period. But this positive effect was not strong, and it had been slowly strengthened during 1994-2005 and decayed during 2005-2009. The local spatio-temporal association characteristics of most counties＇ potential kept relatively stable and focused on a positive autocorrelation, however, there were obvious transformations in some counties among four types of local spatio-temporal association （i.e., HH, LL, HL and LH）. （2） The distribution difference and its change of local spatio-temporal association types of county potential were obvious. Spatio-temporal HH type units were located in the central zone and Shenzhen-Dongguan region of the eastern zone, but the central spatio-temporal HH area shrunk to the Guangzhou-Foshan core metropolitan region only after 2000; the spatio-temporal LL area in the western zone kept relatively stable with a surface-shaped continuous distribu- tion pattern, new LL type units emerged in the south-central zone since 2005, the eastern LL area expanded during 1994-2000, but then gradually shrunk and scattered at the eastern edge in 2009; the spatio-temporal HL and LH areas varied significantly. （3） The local spa- tio-temporal association patterns of county potential among the t

关键词： county potential association spatio-temporal autocorrelation spatio-temporal Moran's I pearl riverdelta

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