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1.
The second-tier extended metropolises in the Changjiang (Yangtze) River Delta, including Suzhou, Wuxi and Changzhou near Shanghai,
are becoming the most active and new innovative industrial agglomerating areas. Manufacturing industries in these second-tier
cities have been in rapid growth due to increasing foreign investment. Nevertheless, the economic prospect of these cities
is still constrained by a lack of local R&D capacity and production services, which are mainly dependent upon Shanghai. This
paper analyses the impact of globalization on the new economic sectors in these cities, the change of industrial structure,
the limitation of urban development and the problem of sustainability. Then, the paper analyses the conditions for the high-tech
industry and production services in these areas. Also, it applies the industrial organization theory to these cities and examines
how these cities can cooperate with each other in terms of horizontal linkages. Finally, the paper gives the future growth
prospects in high-tech industry and production services.
Foundation item: Under the auspices of the National Natural Science Foundation of China (No. 40371031)
Biography: CHEN Wen (1967–), female, a native of Ningde of Fujian Province, professor, specialized in urban economic and urban
geography. E-mail: wchen@niglas.ac.cn 相似文献
2.
Based on the data of gross domestic product (GDP), industrial added value and the proportion of industrial employees from
2000 to 2008, this paper studies the effect of industrial structure change on the regional economic growth of Beijing-Tianjin-Hebei
Metropolitan Region in China using the shift-share method. The results show that: 1) In the 21st century, the industrial output
of three industries, namely, primary, secondary, and tertiary, and the GDP grew rapidly in the study period. The tertiary
industry grew the fastest; it had the largest contribution to the GDP and meanwhile had become the most competitive industry
in the metropolitan region. 2) The development of cities within the region was not balanced. Firstly, compared with Tianjin,
Beijing, as one of the two core cities, was more rational in the industrial structure. Secondly, the surrounding eight cities,
which are Shijiazhuang, Qinhuangdao, Tangshan, Langfang, Baoding, Cangzhou, Zhangjiakou, and Chengde, were all uncompetitive
than the two core cities. 3) There was a great industrial gradient in the region (especially between the two core cities and
the cities of Tangshan, Baoding, Zhangjiakou, Chengde, Cangzhou, and Langfang). As a result, it is foreseeable that the industry
transfer in the Beijing-Tianjin-Hebei Metropolitan Region will be one of the trends in regional development, and the industry
transfer is inevitably to promote the regional integration. 相似文献
3.
空间同位模式分析是数据挖掘中一种常见的方法,可有效挖掘城市设施在空间位置上的关联特征,进而发现城市设施的分布规律.本文基于POI数据同位模式挖掘用来获取城市服务业空间关联结构:首先,通过邻近实例获取、同位候选模式存储与筛选,得到城市服务业二阶同位模式;然后,据此构造产业空间关联图,得到产业间的关联结构;最后,分别构造了... 相似文献
4.
广西是我国著名的岩溶区,年降水在１０００ｍｍ以上,但由于独特的地貌及水文地质条件,区内旱季人畜饮用水十分困难,特别是岩溶峰丛洼地谷地。另一方面,该区地下水资源又十分丰富,如何合理开发利用地下水资源就成为解决人畜饮用水乃至农村可持续发展的重要课题。 相似文献
5.
The responses of spatiotemporal variation of ecosystem service values (ESVs) to landscape pattern from 1985 to 2005 in a typical Karst area of the northwest Guangxi Zhuang Autonomous Region,China,were examined us-ing remote sensing and geographic information system techniques in this paper.The total ecosystem service values de-clined significantly from 1985 to 1990,and then increased slowly from 1990 to 2005,almost equaled to the 1985 level.The ecosystem service values tended to decline from the west to the... 相似文献
6.
金活动态测量法在红壤区与干旱黄土区找矿中的应用 总被引：1，自引：0，他引：1
文雪琴 《地球科学与环境学报》2007,29(4):369-373
用金属活动态提取法在广西与山西黄土区进行试验研究,发现在山西黄土区,利用金的水提取态含量偏低,异常不明显,而金的粘土结合态、有机物结合态和铁锰氧化物结合态异常清晰地反映在矿体上方;而在雨量充沛的广西红壤区,金的水提取态和铁锰氧化物结合态异常较好,而粘土结合态金异常效果不太理想。研究结果表明在这两个地区应用金属活动态测量法进行找矿研究时,可以对其提取有利的相态来进行靶位确定。 相似文献
7.
1 ＴＨＥＢＡＣＫＧＲＯＵＮＤＡＮＤＣＯＮＤＩＴＩＯＮＯＦＴＥＲＲＩＴＯＲＩＡＬＳＴＲＵＣＴＵＲＥＦＯＲＭＡＴＩＯＮＩＮＴＨＥＳＯＵＴＨＥＲＮＣＨＩＮＡ1.1 ＴｈｅＣｈａｎｇｅｏｆＧｅｏｐｏｌｉｔｉｃａｌＰａｔｔｅｒｎ—ａＰｒｅ ｒｅｑｕｉｓｉｔｅｔｏｔｈｅＦｏｒｍａｔｉｏｎｏｆＴｅｒｒｉｔｏｒｉａｌＳｔｒｕｃｔｕｒｅｉｎｔｈｅｓｏｕｔｈｅｒｎＣｈｉｎａＡｆｔｅｒＷｏｒｌｄＷａｒⅡ ,ｔｈｅｗｏｒｌｄｇｅｏｐｏｌｉｔｉｃａｌｐａｔ ｔｅｒｎｈｅａｄｅｄｂｙＲｕｓｓｉａｎａｎｄｔｈｅＵｎｉｔｅｄＳｔａｔ… 相似文献
8.
LIAOChi-mei LILan YANZhi-qiang HUBao-qing 《中国地理科学(英文版)》2004,14(2):142-147
Ecological security is the main task and applied field of present geography, resources and environment sciences and ecology. Ecological security evaluation will efficiently promote ecological security and environmental construction in regional land use. In this thesis, the authors put forward the index system of ecological security evaluation in karst mountainous area on three aspects, the pressure of resources and eco-environment, the quality of resources and eco-environment, and the ability of environmental protection and ecological improvement. Using the evaluation method with single index, based on the case study ofDu‘an Yao Autonomous County of Guangxi Zhuang Autonomous Region, the system ofsynthetic regionalization ofecological agricultural economy was formed, which includes three regions, south region with basic security and synthetic agricultural development, east region with critical security and agriculture, forestry, animal husbandry balanced development, mid-west and south region with ecological insecurity and compounded agriculture and forestry management. Meanwhile, for these regions, the countermeasures of sustainable agricultural development were pointed out, which provide the basis and example for ecological regulation and control of sustainable agricultural development in counties of karst mountainous area. 相似文献
9.
Drought is the most widespread and insidious natural hazard, presenting serious challenges to ecosystems and human society. The daily Standardized Precipitation Evapotranspiration Index (SPEI) has been developed to identify the regional spatiotemporal characteristics of drought conditions from 1960 to 2016, revealing the variability in drought characteristics across Southwest China. Daily data from142 meteorological stations across the region were used to calculate the daily SPEI at the annual and seasonal time scale. The Mann-Kendall test and the trend statistics were then applied to quantify the significance of drought trends, with the following results. 1) The regionally averaged intensity and duration of all-drought and severe drought showed increasing trends, while the intensity and duration of extreme drought exhibited decreasing trends. 2) Mixed (increasing/decreasing) trends were detected, in terms of intensity and duration, in the three types of drought events. In general, no evidence of significant trends (P < 0.05) was detected in the drought intensity and duration over the last 55 years at the annual timescale. Seasonally, spring was characterized by a severe drought trend for all drought and severe drought conditions, while extreme drought events in spring and summer were very severe. All drought intensities and durations showed an increasing trend across most regions, except in the northwestern parts of Sichuan Province. However, the areal extent of regions suffering increasing trends in severe and extreme drought became relatively smaller. 3) We identified the following drought hotspots: Guangxi Zhuang Autonomous Region from the 1960s to the 1990s, respectively. Guangxi Zhuang Autonomous Region and Guizhou Province in the 1970s and 1980s, and Yunnan Province in the 2000s. Finally, this paper can benefit operational drought characterization with a day-to-day drought monitoring index, enabling a more risk-based drought management strategy in the context of global warming. 相似文献
10.
辜胜阻 《中国地理科学(英文版)》1993,3(2):97-111
Since cities and towns are places where those nonagricultural industries are centralized, urbanization is greatly interrelated with industrialization and de-agriculturalization. By means of this kind of interrelationship, Chinese urbanization level may be estimated with the formulas: P1=I1/I0/u0, Pr = N1/N0/u0. The urbanization after the founding of the People's Republic of China can be divided into the following 5 stages: the stage at the out set of industrialization (1949-1957); the high-speed urbanization stage (1958-1960); the first counter-urbanization stage (1961-1965); the second counter-urbanization stage (1966-1976); and the high-speed urbanization stage (1978-now). The characteristics of Chinese urbanization are: the industrialization launched by the government; the simultaneous development of urbanization of cities and urbanization of rural areas; the quite low capability of urbanization to absorb nonagricultural labor force; the incoordinate development of cities, etc. Before establishing a 相似文献
11.
制约我国西部县域经济发展的主要因素及解决办法 总被引：2，自引：0，他引：2
唐楚生 《广东海洋大学学报》2005,25(2):46-49
我国西部地区资源丰富,地广人稀,但产业结构不合理,农业产业化水平低,城乡一体化进程缓慢,县域财力匮乏,从而导致其经济发展相对落后。在发展生态农业的基础上,大力发展农副特色产品的加工业,加强区域间联合,发展民营经济,加强教育和人力资源开发,是解决西部县域经济发展的基本对策。 相似文献
12.
南宁市是广西岩溶地面塌陷危害十分严重的城市之一。2012年6月2日突发的岩溶地面塌陷主要集中分布在坛洛镇南西方向,形成塌陷坑19个,地裂缝17条,威胁62户共232人,潜在经济损失约870万元。坛洛塌陷多形成于松散盖层厚度小于15m,地下水位埋深小于20m,地下岩溶强发育的区段。碳酸盐岩岩溶发育、松散盖层厚度较小和水动力条件(降水、地表水和地下水)复杂为岩溶塌陷产生的必要条件,尤以地下水的作用对岩溶塌陷的形成起至关重要的作用。通过对坛洛地下水动态观测与岩溶塌陷的调查研究确定地下水强径流带,分析评价岩溶地面塌陷的危险性,为岩溶地区的岩溶塌陷危险性勘察、评价工作提供一定指导意义。 相似文献
13.
戚伟 《地球信息科学学报》2019,21(8):1198-1206
研究青藏高原城镇化格局的时空分异及其影响因素,有利于推动青藏高原现代人类活动时空过程的认知,对青藏高原就地就近城镇化及可持续发展具有参考意义。根据历次人口普查数据,本研究构建青藏高原县市尺度城镇化空间数据集,参考城镇化发展阶段,采用LISA空间类型划分法和空间计量回归模型,系统分析1990-2010年青藏高原内部城镇化格局的时空分异特征及影响因素。主要结论包括：① 青藏高原整体城镇化水平偏低,2017年底,青藏高原主体部分青海省和西藏自治区的常住人口城镇化水平分别为53.07%和30.8%,低于全国同期水平的58.52%,但青藏高原内不乏高水平城镇化地区,而且各地区间城镇化水平的空间差异缩小;② 青海西部柴达木盆地是高水平城镇化集聚区,羌塘地区是低水平城镇化集聚区,地级行政中心所在县市多呈现自身高、周边低的城镇化格局;③ 与内地相似,第二、三产业从业机会是推动青藏高原城镇化发展重要因素,社会公共服务资源对城镇化拉动作用开始凸显。研究结果可以为青藏高原人类活动研究和青藏高原就地就近城镇化可持续发展政策提供参考。 相似文献
14.
城市空间扩展是衡量城市化进程的重要指标。本文以闽南金三角地区的福建省漳州市主城区作为研究区,选取2000、2006和2013年的Landsat遥感影像,利用IBI建筑指数分别提取了3个年份的建筑用地信息,然后对其变化进行GIS分析。结果表明,13 a间漳州市主城区面积净增13.69 km2,净增面积为2000年的66.9%。主城区主要沿交通主干道往西北方向呈带状和面状扩展。缓冲区分析表明,道路对主城区扩展起到很大的引导和促进作用。综合社会经济数据可知,主城区的城市扩展历程与第二产业的发展密切相关,属工业导向型的城市扩展模式。另外,城市人口的增加也起到了一定的促进作用,不同区位人口增长速率的差异,对城市扩展的方向也产生了一定的引导作用。 相似文献
15.
Ecological security is the main task and applied ficld of present geography, resources and environment sciences and ecology. Ecological security evaluation will efficiently promote ecological security and environmental construction in regional land use. In this thesis, the authors put forward the index system of ecological security evaluation in karst mountainous area on three aspects, the pressure of resources and eco-environment, the quality of resources and eco-environment, and the ability of environmental protection and ecological improvement. Using the evaluation method with single index, based on the case study of Du'an Yao Autonomous County of Guangxi Zhuang Autonomous Region, the system of synthetic regionalization of ecological agricultural economy was formed, which includes three regions, south region with basic security and synthetic agricultural development, east region with critical security and agriculture, forestry, animal husbandry balanced development, mid-west and south region with eco 相似文献
16.
In China, the land resource per person is poor withregard to the huge number of population. According tothe recent data from the National Land Bureau, theaverage land per person is 0. 11 ha, much less than0. 25 ha, the average land per person in the world(FAN, 1997). On the other hand, a large scale ofrural land is to be transmitted into urban land upon thefast proceeding of urbanization. At present, the urbanpopulation occupies about 30% of the total in China. Ifthe percent become 50% (th… 相似文献
17.
Measurement and spatial distribution of urban agglomeration industrial compactness in China 总被引：1，自引：1，他引：0
Urban agglomeration （UA） compactness means spatial concentration degree of physical entities, such as cities （towns）, industries, resources, funds, traffic and technologies, whose concentration is formed according to specified economic and technologic association in the process of UA formation and development. The UA industrial compactness means the concentration degree of industry and industry clusters with reference to the industrial, technological and economic relations among the cities in the UA in the process of rational industrial division and with the extension of industrial chain. After analyzing the researches on compactness, this paper finds that the relevant measurement coefficient and methods reflecting industrial geographical concentration fail to link industries spatial concentration with urban spatial concentration. Taking 23 UAs as samples and classifying them by development degree, this paper probes into UA compactness and spatial distribution characteristics from the perspective of industry by adopting UA index systems of industry and measurement models. The research finds out： 1） there is obvious positive correlation between UA industrial compactness and UA development degree; 2） the spatial distribution difference of UA industrial compactness is relatively great; and 3） UA industrial compactness shows a gradually decreasing tendency from the eastern part, the middle part to the western part of China. From the research thoughts and approaches, this article suggests that studies on the UA integrated compactness measurement should be enhanced from a multidimensional per- spective involving space, traffic, population density and so on. 相似文献
18.
XUEDong-qian ZHANGXiao-jun 《中国地理科学(英文版)》2002,12(4):321-328
From the angle of ecology, urban agglomeration presents relevant types of landscape structure, which in-clude Patch, Corridor and Matrix. There are different landscape features and different problems in different developmentphases. This paper has put forward five basic conditions for security pattern of landscape ecology of urban agglomeration,described quantitatively the features for landscape ecology in Wuxi, and analyzed ecological background of spatial expan-sion and spatial organization of urban development in Wuxi. From the angle of ecological land use and non-ecological landuse, the paper has analyzed the features of land use and ecological distribution of land in the urban area. The spatial mod-el of cities and towns in Wuxi is composed of one metropolis, two urban zones and three development axes. This thesishas planned preliminarily ecological protection network at four levels in the urban region according to four layers. At last,combining landscape ecology with urban space, a tentative security pattern of landscape ecology has been planned in Wux-i, namely Source-Buffer Zone and Metropolis, Radiating Routes and Expansion Direction of City, Strategic Point and Interac-tion between Cities and Towns, Inter-Source Linkage-Corridor of a Stable Landscape Structure. 相似文献
19.
A key target of the overall strategy implementation for regional development since the 18th Party Congress of China has involved taking measures to narrow regional disparities. This is because resource-based cities' economic development has fallen below general levels due to resource exhaustion and an unbalanced industrial structure, among other factors. Further, an economic gap has long existed between Northeast China's large number of resource-based cities and non-resource-based cities. This article comprehensively studies the economic convergence of Northeast China's resource-based cities and non-resource-based cities from 1996 to 2015 by using a dynamic panel to analyze not only the economic development of different industries and types of cities, but also the main factors that influence economic development. The empirical results demonstrate that economic convergence exists in both resource-based and non-resource-based cities, but the economic gap between them has clearly narrowed since the implementation of a strategy to revitalize the Northeast's old industrial base. Shrinking cities are the fastest to converge, as mature cities are slower and regenerating cities are the slowest; regarding industry structure, the secondary industry dominates the economy in mature and shrinking cities, and the tertiary industry in regenerating cities. The primary stimulus in resource-based cities' economic development involves upgrading the industrial structure and investing in human capital. As China faces a ‘new normal' economy, resource-based cities in Northeast China should restructure the economy and perfect their market system to avoid again widening the economic gap. 相似文献
20.
在大数据时代,高分辨率对地观测技术实现了对地球表层地理现象和地理过程最为真实、量化、全面覆盖又快速更新的数据化记录,可为地理空间认知研究的新发展奠定时空信息聚合与挖掘计算的基准。地理图斑是影像空间映射到地理空间中对于地理实体的抽象化表达,是构建地理场景和承载地理空间各类信息进而开展模式挖掘的最小单元。本文以地理图斑为基本对象,通过分析其中视觉模拟、符号推测等几类机器学习的协同计算机制,从空间、时间与属性等维度构建了集“分区分层感知”、“时空协同反演”、“多粒度决策”三者于一体的地理图斑智能计算模型,并以在贵州息烽县、广西江州区开展的农业种植结构制图与规划决策为应用案例,探索了地理图斑分布、生长以及功能3种模式的挖掘方法,并进一步设计了动态视角下开展图斑动力模式挖掘的研究思路。 相似文献