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Research on Cultural Consumption and Urban Integration of Floating Population
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作者 Zhang Rui Dai Xiaowen 《Contemporary Social Sciences》 2024年第2期16-33,共18页
This paper examined the relationship between cultural consumption and the floating population’s integration into host cities based on data from China’s Seventh National Population Census and the 2018 China Migrants ... This paper examined the relationship between cultural consumption and the floating population’s integration into host cities based on data from China’s Seventh National Population Census and the 2018 China Migrants Dynamic Survey(CMDS).The findings indicate that improving the floating population’s consumption level and quality,especially the quality of development-oriented cultural consumption,can significantly improve the level of their integration.Moreover,development-oriented cultural consumption has a positive effect on the floating population’s integration and social participation,while entertainment-oriented cultural consumption facilitates their integration mainly by improving their sense of well-being.These findings could guide policymakers in developing targeted cultural consumption policies,implementing specific regional industry adjustments,and expanding domestic consumption demand. 展开更多
关键词 cultural consumption floating population urban integration social participation sense of well-being
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Research on the Urban Integration of Land-losing Farmers
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作者 QU Xiao-juan 《Asian Agricultural Research》 2011年第1期130-133,138,共5页
Fishbone chart is used to analyze the status of the living ability of land-losing farmers, as well as its causation from the aspects of system layer, social support network, land-losing farmer themselves, and economic... Fishbone chart is used to analyze the status of the living ability of land-losing farmers, as well as its causation from the aspects of system layer, social support network, land-losing farmer themselves, and economic layer. Result shows that the system layer includes the unreasonable land compensation, the lack of social security for land-losing farmers, and the employment exclusion of land-losing farmers. Small scale and low heterogeneity are the causations for social support network. Low willingness to become citizens, low cultural quality and difficulty in role change are the causations of land-losing farmers themselves. The low expected return and high living cost are the causations for economic layer. Based on the above analysis, countermeasures to improve the urban-living ability of land-losing farmers are put forward, such as improving the land expropriation system, establishing a multi-level social security system, enhancing the training and employment mechanism of land-losing farmers, and improving the quality of land-losing farmers. 展开更多
关键词 Land-losing farmers CITIZENIZATION Fishbone chart urban integration China
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Research on the Promotion Path and Strategy of Regional Tourism Brand of Jinan-Tai'an Urban Integration from the Perspective of Marketing
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作者 LI Xiu LV Chen WANG Yuguo 《Journal of Landscape Research》 2021年第4期84-88,共5页
In order to enhance the comprehensive competitiveness of the city,Shandong Province put forward the development strategy of Jinan-Tai’an urban integration.Based on the perspective of tourism marketing,the regional to... In order to enhance the comprehensive competitiveness of the city,Shandong Province put forward the development strategy of Jinan-Tai’an urban integration.Based on the perspective of tourism marketing,the regional tourism brand of Jinan-Tai’an urban integration is created to promote the development of regional tourism in Jinan and Tai’an and further promote the integrated development of Tai’an and Jinan.Based on the analysis of the tourism resources and the characteristics of tourist source market in Tai’an and Jinan,as well as the in-depth study of successful cases at home and abroad,the path and countermeasures to promote the development of regional tourism in Tai’an and Jinan are summarized from the perspective of marketing. 展开更多
关键词 Jinan-Tai'an urban integration Regional tourism brand PATH COUNTERMEASURE
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Exploring the Element Integration of Urban and Rural“Space of Flows”in the Context of Consumption Upgrading:A Case Study of Changsi Village in Anhui Province
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作者 QIN Shuhua LI Daoyong HE Qilin 《Journal of Landscape Research》 2024年第1期48-50,54,共4页
The mobility and interaction between urban and rural areas are becoming more and more intensive,and their links and exchanges are increasingly closer due to constant flow of factors such as information,capital,personn... The mobility and interaction between urban and rural areas are becoming more and more intensive,and their links and exchanges are increasingly closer due to constant flow of factors such as information,capital,personnel and technology.In this context,the element integration of urban and rural“space of flows”can promote the integrated development of urban and rural areas,improve the consumption environment and experience,and promote the industrial upgrading and technological progress.To realize the element integration of urban and rural“space of flows”,it is necessary to explore and innovate in infrastructure construction,information technology application,industrial cooperation and cultural exchanges.Government departments,enterprises and social organizations also need to work together to give play to their respective advantages and jointly promote the process of element integration of urban and rural“space of flows”. 展开更多
关键词 Consumption upgrading Space of flows urban and rural integration
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Experimental Summary and Enlightenment of Urban and Rural Integration in Henan Province
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作者 张竟竟 陈文峰 +1 位作者 郭志富 鲁亚娟 《Agricultural Science & Technology》 CAS 2015年第3期622-625,共4页
By means of investigation and research of the 7 cities of the urban and rural integration in Henan Province, the paper summarizes five aspects of urban and rural integration in Henan Province in common from the social... By means of investigation and research of the 7 cities of the urban and rural integration in Henan Province, the paper summarizes five aspects of urban and rural integration in Henan Province in common from the social and economic conditions, spatial characteristics, dynamic mechanism, organization form, security measures: higher level of economic development, the selective advantage of location, the power mechanism characteristics of taking the government as the main body from top to bottom, the organization form of strengthen the construction of new rural area and industrial agglomeration area construction, the security measures of innovation mechanism system.The main sticking point to urban and rural integrition is the capital input and output, the rural collective economic power shortage problem , the problem of sustainable development of new rural community. A useful reference is playing the active role of rural cadre and masses initiative to promote the integration of urban and rural by injection power source from bottom to top; much channel solves problem of farmer employment according to local conditions; improve rural economy from hematopoietic function rely on industry development. 展开更多
关键词 The integration of urban and rural Construction of new countryside Henan Province
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People's Park,People's Square in Shanghai——Transit and Urban Integration Planning Study
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作者 Zhang Lizhen 《China City Planning Review》 1993年第1期36-40,45,共6页
Ⅰ.Introduction1) The People’s Park Square isShanghai’s best known land-mark and is the traditionalcenter of its cultural andrecreational facilities as wellas an extension of Shanghai’sprime commercial area.Thearea... Ⅰ.Introduction1) The People’s Park Square isShanghai’s best known land-mark and is the traditionalcenter of its cultural andrecreational facilities as wellas an extension of Shanghai’sprime commercial area.Thearea contains of Shanghai’sprime commercial area.Thearea contains a number ofbuildings of significant archi-tectural and heritage merit. 展开更多
关键词 MALL Transit and urban integration Planning Study People’s Park People’s Square in Shanghai
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Establishment and Application of Urbanization Strategic Environ-mental Assessment Integration Technology System 被引量:3
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作者 ZHAO Yan SHANG Jincheng +1 位作者 XU Ling SONG Tao 《Chinese Geographical Science》 SCIE CSCD 2008年第2期184-192,共9页
Urbanization strategic environmental assessment (SEA) is an effective instrument to enhance the harmo-nious development of urban complex system, integrating of environment and development in decision-making. Ur-baniza... Urbanization strategic environmental assessment (SEA) is an effective instrument to enhance the harmo-nious development of urban complex system, integrating of environment and development in decision-making. Ur-banization strategic environmental assessment integration technology system (SEA-ITS) is composed of "3S" (RS, GIS and GPS), environmental expert system and environmental model system, coupling with appropriate SEA working process closely. In this paper, the structure and components of SEA-ITS are analyzed based on Chinese characteristics, meanwhile methods to fulfill the following system functions are discussed: urbanization SEA in-quiring, analysis, discrimination, assessment, prediction, decision-making and output. Moreover, methods and tech-nologies employed in different urbanization SEA hierarchies are summarized. As a case study, urbanization SEA-ITS is applied in Changchun City to solving complex real problems. Methods such as system dynamics and grey cluster are adopted to achieve the environmental impact assessment on the eco-industrial system planning. It is revealed that the system designed is capable of reflecting the dynamic behavior of eco-industrial system under different sce-narios, meanwhile accomplishing strategy optimization and supplying scientific reference. The 4th strategy, namely concerning on economy increase and its interaction with science, technology and environment progress, would have the best efficiency. Further, more attention should be paid to the secondary development of integration techniques and function modification system of urbanization SEA-ITS. 展开更多
关键词 environmental expert system (EES) urbanization strategic environmental assessment integration technology system (SEA-ITS) environmental technology system (ETS) system dynamics grey cluster
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Mechanism and Countermeasures for Action of Scientific and Technological Innovation on Integration of Industrialization and Urbanization 被引量:1
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作者 Xiaolu WU 《Asian Agricultural Research》 2020年第11期9-15,共7页
In the current process of deepening reform in China,industrial structure upgrading,economic structural transformation and new urbanization are important tasks to promote social and economic development,and technologic... In the current process of deepening reform in China,industrial structure upgrading,economic structural transformation and new urbanization are important tasks to promote social and economic development,and technological innovation has gradually become the primary driving force for industrial upgrading,economic transformation and the realization of new urbanization.The article analyzed the action mechanism of scientific and technological innovation on the integration of industrialization and urbanization through qualitative and quantitative methods,found out the prominent problems faced by Henan through the empirical analysis of relevant data of Henan Province,and then proposed the integrated development path driven by scientific and technological innovation. 展开更多
关键词 Technological innovation integration of industrialization and urbanization Coupling coordination degree New urbanization
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Analysis of Marx’s Theory of Urban and Rural Integration
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作者 Jiefang ZHU 《Asian Agricultural Research》 2021年第3期17-18,23,共3页
Marx’s theory of urban and rural integration is an indispensable part of Marx’s economic theory.Using the basic principles of historical materialism,Marx explored the inevitable law of separation and opposition betw... Marx’s theory of urban and rural integration is an indispensable part of Marx’s economic theory.Using the basic principles of historical materialism,Marx explored the inevitable law of separation and opposition between urban and rural areas from the contradictory movement of productive forces and production relations,and put forward the theory of urban and rural integration.Analyzing and grasping the scientific connotation of Marx’s theory of urban and rural integration has very important theoretical value and practical significance for promoting the process of China’s urban-rural integration. 展开更多
关键词 Marx Separation and opposition between urban and rural areas urban and rural integration
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An Empirical Study of Urban and Rural Integration Construction Development of Western Region in China --Taking Changji City of Xinjiang Autonomous Region as an Example
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作者 Jin Cailiang Jiang Xiuying 《International Journal of Technology Management》 2013年第12期22-24,共3页
The urban and rural integration is a new stage of city development, which is a process of urban and rural mutual supplementary integration, collaborative development and mutual prosperity. It takes the industry and ag... The urban and rural integration is a new stage of city development, which is a process of urban and rural mutual supplementary integration, collaborative development and mutual prosperity. It takes the industry and agriculture, city and countryside as a whole, with overall planning and coordination development, through system innovation and policy adjustment, in order to realize the integration development of urban and rural planning construction, industrial development, infrastructure, ecological environment and social career. This paper conducts the empirical analysis on the urban and rural integration construction development of Changji City of Changji Region in Xinjiang, studying the existing problems and restrictive factors of the process in promoting urban and rural integration construction in western region of China and trying to propose the corresponding countermeasures. 展开更多
关键词 Changji City of Xinjiang Autonomous Region urban and rural integration the existing problems the countermeasures
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Literature review of the basic medical insurance of urban and rural integration
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作者 Liu Chang 《International English Education Research》 2015年第8期82-84,共3页
To set up the nation's covering medical insurance syslem and to the realization of the basic medical insurance of urban and rural integration, is the inevitable trend in the development of China's medical insurance ... To set up the nation's covering medical insurance syslem and to the realization of the basic medical insurance of urban and rural integration, is the inevitable trend in the development of China's medical insurance reform, as well as it is also a key step. In recent years, the state promulgated a series of policies in promoting urban and rural medical insurance and many cities took the lead to reform form the medical insurance pattern with local characteristics. All of these are helpful for our country to realize the integration and providing valuable experience. The target of the article is to maintain the public cause of medical and health, to solve the problem of high cost of urban and rural residents to see a doctor. As well as to realize the objections of disease pro^ection, convenience, cure spends less. 展开更多
关键词 integration of urban and rural areas medical insurance experience for reference ENLIGHTENMENT
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Improvement Strategies of Flood Control Landscape in Suburban Villages and Towns from the Perspective of Aquaphilia and Livability
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作者 DING Huangjie YAN Chen +2 位作者 FANG Cheng ZHANG Shijie LV Yuanhao 《Journal of Landscape Research》 2022年第6期40-42,46,共4页
In the context of urban and rural integrated development, many suburban villages and towns are still threatened by both urbanization and natural disasters. In order to explore the improvement strategies of flood contr... In the context of urban and rural integrated development, many suburban villages and towns are still threatened by both urbanization and natural disasters. In order to explore the improvement strategies of flood control landscape integrating water ecology, water safety, water culture and water landscape, the Luozhou Ancient Town by the Wulong River in Fuzhou City was taken as an example, and the concept of pluralistic symbiosis from the perspective of aquaphilia and livability was proposed through field investigation, data monitoring, site analysis and planning, that is, while retaining the positive attributes of “boundary”, its negative limitation of “pluralistic” space is broken, so as to establish a pluralistic and symbiotic environment with aquaphilia and livability. It can not only effectively alleviate the contradictions between urban and rural areas, between water and land, and between old and new cultures, but also activate the vitality of suburban villages and towns, providing a new idea for the improvement of flood control landscape. 展开更多
关键词 LIVABILITY urban and rural integration Flood control Waterfront landscape
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Coordinated Dispatch Based on Distributed Robust Optimization for Interconnected Urban Integrated Energy and Transmission Systems
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作者 Wei Xu Yufeng Guo +2 位作者 Tianhui Meng Yingwei Wang Jilai Yu 《Journal of Modern Power Systems and Clean Energy》 SCIE EI CSCD 2024年第3期840-851,共12页
To improve the economic efficiency of urban integrated energy systems(UIESs)and mitigate day-ahead dispatch uncertainty,this paper presents an interconnected UIES and transmission system(TS)model based on distributed ... To improve the economic efficiency of urban integrated energy systems(UIESs)and mitigate day-ahead dispatch uncertainty,this paper presents an interconnected UIES and transmission system(TS)model based on distributed robust optimization.First,interconnections are established between a TS and multiple UIESs,as well as among different UIESs,each incorporating multiple energy forms.The Bregman alternating direction method with multipliers(BADMM)is then applied to multi-block problems,ensuring the privacy of each energy system operator(ESO).Second,robust optimization based on wind probability distribution information is implemented for each ESO to address dispatch uncertainty.The column and constraint generation(C&CG)algorithm is then employed to solve the robust model.Third,to tackle the convergence and practicability issues overlooked in the existing studies,an external C&CG with an internal BADMM and corresponding acceleration strategy is devised.Finally,numerical results demonstrate that the adoption of the proposed model and method for absorbing wind power and managing its uncertainty results in economic benefits. 展开更多
关键词 Distributed robust optimization distributionally robust dispatch urban integrated energy system transmission system external column and constraint generation(C&CG) internal Bregman alternating direction method with multipliers(BADMM)
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Analysis of Building Costs for Social Interest Housing in Central Areas
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作者 Pedro de Seixas Corrêa Mônica Santos Salgado 《Journal of Civil Engineering and Architecture》 2021年第12期614-626,共13页
Brazil’s continental dimensions bring huge challenges for the Federal Administration,particularly in relation to low income housing.In this sense,in 2009,Federal Government has launched a huge habitational program en... Brazil’s continental dimensions bring huge challenges for the Federal Administration,particularly in relation to low income housing.In this sense,in 2009,Federal Government has launched a huge habitational program entitled“Minha Casa Minha Vida”(in English MHMLP-the“My House,My Life”Program)which has been,so far,the biggest social housing Federal program,and has produced millions of SIH(social interest housing)units.The program was discontinued in 2018.Although the program has been huge,there were few units built in urban centers,increasing the urban sprawl.The feasibility of SIH enterprises in the context of the MHMLP leads to the production towards the outskirts,where the land cost better fits the budget.This cost analysis,however,does not take into consideration future costs of an inefficient infrastructure,poor social services and public safety issues,with impact on the cities’operational costs.This paper compares the total building cost of SIH in peripheral and central areas,emphasizing the benefits of production in central areas when considering indirect operational and infrastructure costs.The research takes into account the infrastructure already available in central areas and the opportunity of appropriate abandoned or underutilized buildings and urban empty spaces.In this sense,a case study has been conducted in two projects in the Metropolitan Area of Rio de Janeiro(RJ)comparing the estimated budget of SIH built far from urban centers,to the probable budget occupying underutilized buildings.Results indicate the necessity to review the parameters adopted when discussing the production of low income housing considering the cities’development as an integrated system. 展开更多
关键词 SIH urban integration housing policy.
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Rooftop Rainwater Harvesting as an Alternative Domestic Water Resource in Zambia 被引量:1
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作者 Tseko Malambo Qinghui Huang 《Journal of Geoscience and Environment Protection》 2016年第13期41-57,共17页
Within the last decade, substantial progress has been achieved in the management of centralized water reticulation in Zambia. Characterized by diversified fiscal resourcing, concurrent institutional restructuring and ... Within the last decade, substantial progress has been achieved in the management of centralized water reticulation in Zambia. Characterized by diversified fiscal resourcing, concurrent institutional restructuring and introduction of new players in water governance, the water sector is set to achieve improved reliability on sustainable grounds. However, the threat of underground water pollution resulting from increased urbanization besides the unreliable energy sector presents new challenges for the current urban water. In effect, urban areas are affected by chronic water rationing creating public stress and insecurity which impacts domestic development. While the course of development has meant investment in the extension and expansion of water infrastructure in Zambia, alternative urban water resources are being sought to address challenges of traditional water systems globally. This paper therefore attempts to make a case for the modernization of Rooftop Rainwater Harvesting (RRWH) as an augmenting water resource in the Zambian urban housing sector. Here—in, it is identified as a Low Impact Development technology within the Integrated Urban Water Management framework currently being forged by local water. Based on a desktop literature survey and online questionnaire survey, an argument to support the development of RRWH in Zambia was developed. While literature survey results revealed evidence of economic loss and a growing compromise to public health resulting from inconsistent water supply in the study area of Lusaka city, the online questionnaire survey depicted significant domestic stress due to erratic water supply. Results confirmed that at one time residents observed an average of eight hours of power blackouts which effectively induced water disruption forcing homeowners to engage in various water storage methods which in turn are costly on domestic time, health and finances. A retrospective discussion based on both survey results attempts to present benefits and opportunities of urban RRWH to water sector stakeholders providing recommendations towards the mainstreaming of the practice in Zambia. 展开更多
关键词 Low Impact Development Integrated urban Water Management Rooftop Rainwater Harvesting urban Rainwater Harvesting
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Clean Production and Ecological Industry:A Key to Eco-city Development
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作者 Paulussen Juergen 《Chinese Journal of Population,Resources and Environment》 北大核心 2005年第1期3-8,共6页
Eco-city development is a healthy process towards sustainable development, within the carrying capacity of local ecosystem through changing production mode, consumption behavior and decision instrument based on ecolog... Eco-city development is a healthy process towards sustainable development, within the carrying capacity of local ecosystem through changing production mode, consumption behavior and decision instrument based on ecological economics and system engineering. The key to its planning is an ecological integration to make trade-off between economic wealth and environmental health, between material and spiritual civilization, between natural and human eco-cybernetics. Integration, demonstration, citizens’ participation and scientists’ and technician’s catalyzing are the key instruments for the implementation of the ecocity plan. "Clean production" and "ecological industry" are key elements in comprehensive development towards an eco-city. Beyond the technical and management questions, how to interlink production, consumption and reduction at the local and regional level, the spatial and urban dimension should be considered in order to perform an integrative urban eco-space. 展开更多
关键词 China eco-city development clean production ecological industry urbanIZATION eco- scape eco-culture integration of urban functions.
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On integrated urban and rural development 被引量:5
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作者 FANG Chuanglin 《Journal of Geographical Sciences》 SCIE CSCD 2022年第8期1411-1426,共16页
Cities and the countryside have long been an inseparable organic whole.China's new model of high-quality urbanization requires integrated urban and rural development and rural vitalization.Problems inherent to urb... Cities and the countryside have long been an inseparable organic whole.China's new model of high-quality urbanization requires integrated urban and rural development and rural vitalization.Problems inherent to urban areas are caused by problems inherent to rural areas,and vice versa.Such problems are closely linked,and the compound each other to create“urban-rural problems.”As such,rural vitalization is necessary to prevent problems associated with growing cities,and the new model of urbanization is required to prevent problems in rural areas.Based on a review of domestic and foreign research on integrated urban and rural development,this study analyzes the root causes of persistent urban and rural problems and their counterposing patterns on a theoretical level;analyzes the main factors and driving mechanisms as well as the underlying pattern and sustainability of integrated urban and rural development;constructs a measurement test for integrated urban and rural development;and proposes a triangular model of integrated urban and rural development.It confirms that China's integrated urban and rural development is in the late period of urbanization,which features a high degree of integration and more urban areas and fewer rural areas.Subsequently,it will enter the final period of urbanization and a stage of deep integration,with more urban and fewer rural areas.In the future,it will be necessary to implement a strategy of deeply integrated urban and rural development and use new urbanization and rural vitalization to solve urban-rural problems and improve the quality of urban and rural development.New theories and methods of integrated urban and rural development will need to be created and an evaluation system to judge quantitatively the depth of integrated urban and rural development will need to be established,in order to create desirable urban and rural areas.Future efforts should aim to develop greater synchronization,deeper integration,and mutual success between the new model of urbanization and rural vitalization,so as to improve the high-quality development of,and modernize,both urban and rural areas. 展开更多
关键词 integrated urban and rural development driving mechanism law of evolution theoretical analysis
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A Data-driven Distributionally Robust Operational Model for Urban Integrated Energy Systems 被引量:1
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作者 Hongjun Gao Zhenyu Liu +2 位作者 Youbo Liu Lingfeng Wang Junyong Liu 《CSEE Journal of Power and Energy Systems》 SCIE EI CSCD 2022年第3期789-800,共12页
A multi-energy conversion can effectively increase the utilization of renewable energy in the urban integrated energy system(UIES).Meanwhile,the uncertainties of renewable energy resources(e.g.,wind energy)also bring ... A multi-energy conversion can effectively increase the utilization of renewable energy in the urban integrated energy system(UIES).Meanwhile,the uncertainties of renewable energy resources(e.g.,wind energy)also bring increased challenges to the operation of UIES.In this study,a typical two-stage datadriven distributionally robust operation(DDRO)model based on finite scenarios is proposed for UIES including power,gas and heat networks to obtain a salient strategy from both an economic and robustness perspective.In the first stage,the forecasted information for wind power is especially included to improve the economic aspect of robust decisions.The worst probability distribution for the selected known real-time wind power scenarios can be identified in the second stage where the power differences caused by the real-time uncertainties of wind power can be mitigated by flexible regulation of energy purchasing and coupling units(such as gas turbine,power to gas equipment,electric boiler and gas boiler).Moreover,norm-1 and norm-inf co-constraints are utilized to construct a confidence set for the probability distributions of uncertain wind power.The whole two-stage model is solved by the column-and-constraint generation(CCG)algorithm.Finally,case studies are conducted to show the performance of the proposed model and various approaches.Index Terms-Data-driven methods,distributionally robust optimization,urban integrated energy system,wind power. 展开更多
关键词 Data-driven methods distributionally robust optimization urban integrated energy system wind power
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The vertical distribution characteristics of integral turbulence statistics in the atmospheric boundary layer over an urban area in Beijing 被引量:7
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作者 LIU Yang LIU HuiZhi WANG Lei 《Science China Earth Sciences》 SCIE EI CAS CSCD 2017年第8期1533-1545,共13页
Turbulence data(2008–2012) from a 325 m meteorological tower in Beijing, which consisted of three layers(47,140, and 280 m), was used to analyze the vertical distribution characteristics of turbulent transfer over Be... Turbulence data(2008–2012) from a 325 m meteorological tower in Beijing, which consisted of three layers(47,140, and 280 m), was used to analyze the vertical distribution characteristics of turbulent transfer over Beijing city according to similarity theory. The conclusions were as follows.(1) Normalized standard deviations of wind speeds/ui * were plotted as a function only of a local stability parameter. The values under near-neutral conditions were 2.15, 1.61, and 1.19 at 47 m, 2.39, 1.75,and 1.21 at 140 m, and 2.51, 1.77, and 1.30 at 280 m, showing a clear increase with height. The normalized standard deviation of wind components fitted the 1/3 law under unstable stratification conditions and decreased with height under both stable and unstable conditions.(2) The normalized standard deviation of temperature fitted the.1/3 law in the free convection limit, but was quite scattered with different characteristics under near-neutral conditions. The normalized standard deviations of humidity and the CO2 concentration fitted the.1/3 law under unstable conditions, and remained constant under near-neutral and stable stratification. The normalized standard deviation of scalars, i.e., temperature, humidity, and CO2 concentration, all increased with height.(3) Compared with momentum, and the water vapor and CO2 concentrations, the turbulence correlation coefficient for heat was smaller under near-neutral conditions, but larger under both stable and unstable conditions. A dissimilarity between heat, and the water vapor and CO2 concentrations was observed in urban areas. The relative correlation coefficients between heat and each of momentum, humidity, and CO2 concentration(|rwT/ruw|, |rwT/rwc| and |rwT/ruq|) in the lower layers were always larger than in higher layers, except for the relative correlation coefficient between heat and humidity in an unstable stratification. Therefore, the ratio between heat and each of momentum, humidity, and CO2 concentration decreased with height. 展开更多
关键词 urban boundary layer Local similarity theory Integral turbulence statistics
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Urban Transport and Sustainable Transport Strategies: A Case Study of Karachi, Pakistan 被引量:1
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作者 Intikhab Ahmed Qureshi 陆化普 《Tsinghua Science and Technology》 EI CAS 2007年第3期309-317,共9页
The uncontrolled growth in urbanization and motorization generally contributes to an urban land use and transportation system that is socially, economically, and environmentally unsustainable. This paper uses Karachi ... The uncontrolled growth in urbanization and motorization generally contributes to an urban land use and transportation system that is socially, economically, and environmentally unsustainable. This paper uses Karachi as a case study, which is the largest urban and economic centre of Pakistan, passing through an uncontrolled phase of rapid urbanization and motorization. The paper first reviews research related to sustainable transportation systems to comprehend the concept of sustainable development and transportation. The paper then evaluates the existing transportation and infrastructure system, national transportation policies, and urban transportation projects to determine if the current paradigm is moving toward or away from sustainable transportation. Furthermore, the principles for sustainable urban transportation are developed to see what significance national transportation policies have given to urban transportation from a sustainable transportation point of view. Finally some strategies are suggested, adoption of which may lead to a sustainable urban development and transportation system in Karachi. 展开更多
关键词 sustainable development urbanIZATION MOTORIZATION SOCIO-ECONOMIC integrated land use and urban transportation system
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