Five new towns have been developed around the Seoul metropolitan area since 1996 However, these new towns generate lots of traffic and related problems in the areas including those new towns and Seoul as a result of...Five new towns have been developed around the Seoul metropolitan area since 1996 However, these new towns generate lots of traffic and related problems in the areas including those new towns and Seoul as a result of increases in population and a lack of ecological-self-sufficiency. Currently, construction of another new town is under deliberation, and what should be a major consider is the notion that the new town be located within a wide, green zone. Many studies have revealed that green space can play an important role in improving urban eco-meteorological capability and air quality. In order to analyze the urban heat island which will be created by the new urban development, and to investigate the local thermal environment and its negative effects caused by a change of land use type and urbanization, Landsat TM images were used for extraction of urban surface temperature according to changes of land use over the last 15 years. These data are analyzed together with digital land use and topographic information. As a study result, it was found the urban heat island of the study area from 1985 to 1999 rapidly developed which showed a difference of mean temperature above +2 0 Before the Bundang new town construction the temperature of the residential area was the same as a forest, but during the new town construction in 1991 analysis revealed the creation of an urban heat island. The temperature of a forest whose size is over 50% of the investigation area was lowest, and thus the presence of a forest is believed to have a direct cooling effect on the urban environment and its surroundings. The mean temperature of the residential and commercial areas in the study was found to be +4 5 higher than the forest, and therefore this part of land use is believed to be the main factor causing the temperature increase of the urban heat island.展开更多
Land use suitability analysis plays an important role in sustainable land use and solving environmental problems caused by rapid urban development.A land use suitability mapping approach for town development planning ...Land use suitability analysis plays an important role in sustainable land use and solving environmental problems caused by rapid urban development.A land use suitability mapping approach for town development planning in hilly areas was constructed based on two multi-criteria evaluation methods:Weighted Linear Combination(WLC)and Ordered Weighted Averaging(OWA),to comparatively evaluate and map land use suitability of Tangshan new town in Nanjing,China.Fourteen evaluation factors related to topographic,environmental,socio-economics and historical sites data were used as suitability criteria.The analytic hierarchy process(AHP)method and GIS techniques were integrated into the evaluation models to create the land use suitability map for town development planning.The results of WLC approach showed that 11.4%of the total area is highly suitable while the 48.6%is unsuitable.The results of WLC and OWA approach showed the distribution of degree of land use suitability is almost the same.The areas located at the southern and eastern flat regions are highly suitable for land use,whereas the areas close to the mountain forests,steep slopes,waters,and hot springs,have lower suitability for land use.Sensitivity analysis indicated that the suitability results of the two proposed methods are robust.Indirect validation was achieved by mutual comparison of suitability maps derived from the WLC and OWA methods.It demonstrated that the overall agreement is 90.81%and kappa coefficient is 0.81,indicating that both methods provide very similar spatial suitability distributions.By overlaying the resultant map with the previous master plan map of Tangshan new town,the overlay map once again indicated a satisfactory ecological fit between the two maps.At last,several recommendations are proposed aiming at improving the long-term town development plan for Tangshan new town.展开更多
Since the 1960s, Hong Kongs new towns have been builton the assumption that they could be socially and economically selfcontained entities. A study of the linkage between three new townsand metropolitan area confirms ...Since the 1960s, Hong Kongs new towns have been builton the assumption that they could be socially and economically selfcontained entities. A study of the linkage between three new townsand metropolitan area confirms that substantial commuting trips arestill made. The new towns serve as dormitories for people workingin the metropolitan area. The commuters' reliance on publictransport is significant. The towns are thus far from self-containedeven aller 20 years of development. The public transport network,trip rate, peak factor, purpose, mode choice, costs and journey time,are signilicantly different from those originally estimated. Thesemay be related to distance from the metropolitan area,theavailability of modes, the structure of the public transport netwrk,and changs in the economical structure of Hong Kong. lt suggeststhat the direct and indiscriminant importation of Westernplanning practice to plan new towns with an oriental socio-economicsetting deserves critical review.展开更多
Urban-rural integrated development is the priority task of China due to the wide development gap between cities and villages caused by the most rapid economic growth in history.In the province-city-town-village admini...Urban-rural integrated development is the priority task of China due to the wide development gap between cities and villages caused by the most rapid economic growth in history.In the province-city-town-village administrative system of China,town,as the smallest urban form,is the social,economic,and cultural center of a rural area and becomes the key to many development problems.An improved township enhances living standards and creates numerous jobs in rural areas,and it will provide opportunities for urban-rural sustainable integration.This paper introduces three typical rural forms in Nantong and demonstrates the objective fact that rural form is an important manifestation of residents,living habits,historical context,and the regional characteristics of rural areas.Then,this study aims to find the close inner relationship between rural form and town development through a comparative study of morphological indicators.Therefore,on the basis of full understanding of rural forms,this study proposes that town development from the perspective of serving the countryside,improving the quality of life of rural residents,and protecting the rural landscape texture with regional characteristics is the development mode conforming to the spirit of sustainable development.展开更多
Chinese small towns are usually developed with single core industry,and the urban brand is the identity of a town that formed with the development of its industry.However,when the core industry representing its urban ...Chinese small towns are usually developed with single core industry,and the urban brand is the identity of a town that formed with the development of its industry.However,when the core industry representing its urban brand is facing a changing situation or market,will the brand be a motivation or an obstruction of the development of a town?The paper combined top-down and bottom-up research method to study the function of the urban brand in Wangqingtuo town in Tianjin,China.We studied over 400 samples(including government staff and town citizens)to make questionnaire investigation about the town’s branding.And we found that the solidified urban brand is a complicated emotional symbol for both government and citizens.The town has demand of exploring and developing new dominant industry,and it has the expectation to keep branding and upgrade its current core industry.展开更多
Bordering Guangzhou on the north and connecting the urban area of Zhongshan city, Shaxi is located in the central south of Pearl River Delta and near to Hong Kong and Macao. It covers an area of 55 square kilometers, ...Bordering Guangzhou on the north and connecting the urban area of Zhongshan city, Shaxi is located in the central south of Pearl River Delta and near to Hong Kong and Macao. It covers an area of 55 square kilometers, with population of展开更多
文摘Five new towns have been developed around the Seoul metropolitan area since 1996 However, these new towns generate lots of traffic and related problems in the areas including those new towns and Seoul as a result of increases in population and a lack of ecological-self-sufficiency. Currently, construction of another new town is under deliberation, and what should be a major consider is the notion that the new town be located within a wide, green zone. Many studies have revealed that green space can play an important role in improving urban eco-meteorological capability and air quality. In order to analyze the urban heat island which will be created by the new urban development, and to investigate the local thermal environment and its negative effects caused by a change of land use type and urbanization, Landsat TM images were used for extraction of urban surface temperature according to changes of land use over the last 15 years. These data are analyzed together with digital land use and topographic information. As a study result, it was found the urban heat island of the study area from 1985 to 1999 rapidly developed which showed a difference of mean temperature above +2 0 Before the Bundang new town construction the temperature of the residential area was the same as a forest, but during the new town construction in 1991 analysis revealed the creation of an urban heat island. The temperature of a forest whose size is over 50% of the investigation area was lowest, and thus the presence of a forest is believed to have a direct cooling effect on the urban environment and its surroundings. The mean temperature of the residential and commercial areas in the study was found to be +4 5 higher than the forest, and therefore this part of land use is believed to be the main factor causing the temperature increase of the urban heat island.
基金funded by the National Natural Science Foundation of China(No.31270746)the Scientific Research Innovation Program for Graduate Students in Jiangsu Province(SJKY19_0870)。
文摘Land use suitability analysis plays an important role in sustainable land use and solving environmental problems caused by rapid urban development.A land use suitability mapping approach for town development planning in hilly areas was constructed based on two multi-criteria evaluation methods:Weighted Linear Combination(WLC)and Ordered Weighted Averaging(OWA),to comparatively evaluate and map land use suitability of Tangshan new town in Nanjing,China.Fourteen evaluation factors related to topographic,environmental,socio-economics and historical sites data were used as suitability criteria.The analytic hierarchy process(AHP)method and GIS techniques were integrated into the evaluation models to create the land use suitability map for town development planning.The results of WLC approach showed that 11.4%of the total area is highly suitable while the 48.6%is unsuitable.The results of WLC and OWA approach showed the distribution of degree of land use suitability is almost the same.The areas located at the southern and eastern flat regions are highly suitable for land use,whereas the areas close to the mountain forests,steep slopes,waters,and hot springs,have lower suitability for land use.Sensitivity analysis indicated that the suitability results of the two proposed methods are robust.Indirect validation was achieved by mutual comparison of suitability maps derived from the WLC and OWA methods.It demonstrated that the overall agreement is 90.81%and kappa coefficient is 0.81,indicating that both methods provide very similar spatial suitability distributions.By overlaying the resultant map with the previous master plan map of Tangshan new town,the overlay map once again indicated a satisfactory ecological fit between the two maps.At last,several recommendations are proposed aiming at improving the long-term town development plan for Tangshan new town.
文摘Since the 1960s, Hong Kongs new towns have been builton the assumption that they could be socially and economically selfcontained entities. A study of the linkage between three new townsand metropolitan area confirms that substantial commuting trips arestill made. The new towns serve as dormitories for people workingin the metropolitan area. The commuters' reliance on publictransport is significant. The towns are thus far from self-containedeven aller 20 years of development. The public transport network,trip rate, peak factor, purpose, mode choice, costs and journey time,are signilicantly different from those originally estimated. Thesemay be related to distance from the metropolitan area,theavailability of modes, the structure of the public transport netwrk,and changs in the economical structure of Hong Kong. lt suggeststhat the direct and indiscriminant importation of Westernplanning practice to plan new towns with an oriental socio-economicsetting deserves critical review.
基金This paper and the related research are financially supported by the National Natural Science Foundation of China(51578124).
文摘Urban-rural integrated development is the priority task of China due to the wide development gap between cities and villages caused by the most rapid economic growth in history.In the province-city-town-village administrative system of China,town,as the smallest urban form,is the social,economic,and cultural center of a rural area and becomes the key to many development problems.An improved township enhances living standards and creates numerous jobs in rural areas,and it will provide opportunities for urban-rural sustainable integration.This paper introduces three typical rural forms in Nantong and demonstrates the objective fact that rural form is an important manifestation of residents,living habits,historical context,and the regional characteristics of rural areas.Then,this study aims to find the close inner relationship between rural form and town development through a comparative study of morphological indicators.Therefore,on the basis of full understanding of rural forms,this study proposes that town development from the perspective of serving the countryside,improving the quality of life of rural residents,and protecting the rural landscape texture with regional characteristics is the development mode conforming to the spirit of sustainable development.
文摘Chinese small towns are usually developed with single core industry,and the urban brand is the identity of a town that formed with the development of its industry.However,when the core industry representing its urban brand is facing a changing situation or market,will the brand be a motivation or an obstruction of the development of a town?The paper combined top-down and bottom-up research method to study the function of the urban brand in Wangqingtuo town in Tianjin,China.We studied over 400 samples(including government staff and town citizens)to make questionnaire investigation about the town’s branding.And we found that the solidified urban brand is a complicated emotional symbol for both government and citizens.The town has demand of exploring and developing new dominant industry,and it has the expectation to keep branding and upgrade its current core industry.
文摘Bordering Guangzhou on the north and connecting the urban area of Zhongshan city, Shaxi is located in the central south of Pearl River Delta and near to Hong Kong and Macao. It covers an area of 55 square kilometers, with population of