Research on urban health constitutes an important issue in the field of health geography and also a strong propeller of the Healthy China Initiative.As the main form that realizes new-type urbanization,urban agglomera...Research on urban health constitutes an important issue in the field of health geography and also a strong propeller of the Healthy China Initiative.As the main form that realizes new-type urbanization,urban agglomerations should become the primal sites for the construction of a“Healthy China”.The evaluation of healthy cities’development in urban agglomerations has both theoretical and practical values.Based on the concept of urban health and its evaluation models,this paper developed an evaluation framework for healthy cities that involved multiple data sources.With 19 urban agglomerations in China as the research subjects,we used CRITIC weighting and geographical detectors to examine the geographies of healthy cities and their influencing factors in 2010 and 2020.The results were fourfold.Firstly,the urban health level of China significantly increased from 2010 to 2020,and the comprehensive health index developed towards a positive skewed distribution,along with a shift from“low in the hinterland-high in the coastal areas”to a“multipolar”pattern led by the coastal and southwest urban agglomerations.Secondly,among various dimensions of urban health,the healthy environment index became improved with narrowed regional differences;while the health services index was still polarized;health collaboration was upgraded with a strengthened intercity health network;the healthy population index slightly declined and converged to the middle.Thirdly,urban health in China has initially demonstrated the characteristics of a H-H pattern in the Yangtze River Delta and ChengduChongqing regions,as well as L-L clusters in the northern urban agglomerations,the narrowed regional differences,and increasing coordination within each urban agglomeration.Fourthly,the geographical detector found that economy,urbanization and the human capital were significant external factors that affected urban health development.The explanatory power of technological innovation and opening to the outside world were also increasing.The development of healthy cities is yet to be transformed into regional health integration.展开更多
The Single European Sky Air Traffic management(ATM)Research(SESAR)project is the technological pillar of the European Commission’s Single European Sky Initiative to modernize ATM.Here,we describe the process of estab...The Single European Sky Air Traffic management(ATM)Research(SESAR)project is the technological pillar of the European Commission’s Single European Sky Initiative to modernize ATM.Here,we describe the process of establishing SESAR and the main parts of the project:the research and development(R&D)part,which is led by the SESAR Joint Undertaking;the deployment part,which is managed by the SESAR Deployment Manager;and the European ATM Master Plan,which collects and lays out both the R&D and deployment needs.The latest European ATM Master Plan was adopted just prior to the current pandemic.The huge loss in air traffic due to the pandemic,and the speed of the recovery of the aviation industry will require reprioritization,but the main elements that have been established-particularly those in support of the environment-remain valid.展开更多
Blue economy is one of the hot research topics both at home and abroad,which is of great significance to the construction of a strong maritime country and the high-quality development of national economy.This paper su...Blue economy is one of the hot research topics both at home and abroad,which is of great significance to the construction of a strong maritime country and the high-quality development of national economy.This paper summarizes the research highlights and characteristics of blue economy at home and abroad,based on the visual analysis of analyzing 414 literature from Web of Science Core Collection Database(SSCI)and CNKI General Database,using CiteSpace 6.1.R3.The results show that:(1)The number of articles in the field of blue economy at home and abroad is on rise during 2010-2021,and the volume of foreign articles about blue economy is significantly higher than that of domestic ones.The domestic and foreign articles about blue economy were more of a theoretical mechanism research.(2)Domestic blue economy cooperation network is budding,blue economy research in coastal provinces and cities of China has policy support and scientific research advantages,and Ocean University of China is the core institution in the research field of blue economy in China.With close international blue economy network cooperation,the university is the main scientific research unit of blue economic cooperation at home and abroad.United States,the United Kingdom and Australia attach great importance to blue economy and have a good scientific research foundation,holding an absolutely dominant position in the field of blue economy research.(3)Blue industry and blue practice are the hot research topics of China's blue economy,and the evolution of research topics can be divided into three phases.Among other topics,regional analysis,sustainable blue economy,ocean governance,are the priority research areas of international blue economy research.展开更多
基金National Natural Science Foundation of China,No.42171216,No.71733001Key R&D Program of Beijing Municipal Education Commission,No.KZ202210038047Tsinghua University Initiative Scientific Research Program,No.2022THZWJC15。
文摘Research on urban health constitutes an important issue in the field of health geography and also a strong propeller of the Healthy China Initiative.As the main form that realizes new-type urbanization,urban agglomerations should become the primal sites for the construction of a“Healthy China”.The evaluation of healthy cities’development in urban agglomerations has both theoretical and practical values.Based on the concept of urban health and its evaluation models,this paper developed an evaluation framework for healthy cities that involved multiple data sources.With 19 urban agglomerations in China as the research subjects,we used CRITIC weighting and geographical detectors to examine the geographies of healthy cities and their influencing factors in 2010 and 2020.The results were fourfold.Firstly,the urban health level of China significantly increased from 2010 to 2020,and the comprehensive health index developed towards a positive skewed distribution,along with a shift from“low in the hinterland-high in the coastal areas”to a“multipolar”pattern led by the coastal and southwest urban agglomerations.Secondly,among various dimensions of urban health,the healthy environment index became improved with narrowed regional differences;while the health services index was still polarized;health collaboration was upgraded with a strengthened intercity health network;the healthy population index slightly declined and converged to the middle.Thirdly,urban health in China has initially demonstrated the characteristics of a H-H pattern in the Yangtze River Delta and ChengduChongqing regions,as well as L-L clusters in the northern urban agglomerations,the narrowed regional differences,and increasing coordination within each urban agglomeration.Fourthly,the geographical detector found that economy,urbanization and the human capital were significant external factors that affected urban health development.The explanatory power of technological innovation and opening to the outside world were also increasing.The development of healthy cities is yet to be transformed into regional health integration.
文摘The Single European Sky Air Traffic management(ATM)Research(SESAR)project is the technological pillar of the European Commission’s Single European Sky Initiative to modernize ATM.Here,we describe the process of establishing SESAR and the main parts of the project:the research and development(R&D)part,which is led by the SESAR Joint Undertaking;the deployment part,which is managed by the SESAR Deployment Manager;and the European ATM Master Plan,which collects and lays out both the R&D and deployment needs.The latest European ATM Master Plan was adopted just prior to the current pandemic.The huge loss in air traffic due to the pandemic,and the speed of the recovery of the aviation industry will require reprioritization,but the main elements that have been established-particularly those in support of the environment-remain valid.
文摘Blue economy is one of the hot research topics both at home and abroad,which is of great significance to the construction of a strong maritime country and the high-quality development of national economy.This paper summarizes the research highlights and characteristics of blue economy at home and abroad,based on the visual analysis of analyzing 414 literature from Web of Science Core Collection Database(SSCI)and CNKI General Database,using CiteSpace 6.1.R3.The results show that:(1)The number of articles in the field of blue economy at home and abroad is on rise during 2010-2021,and the volume of foreign articles about blue economy is significantly higher than that of domestic ones.The domestic and foreign articles about blue economy were more of a theoretical mechanism research.(2)Domestic blue economy cooperation network is budding,blue economy research in coastal provinces and cities of China has policy support and scientific research advantages,and Ocean University of China is the core institution in the research field of blue economy in China.With close international blue economy network cooperation,the university is the main scientific research unit of blue economic cooperation at home and abroad.United States,the United Kingdom and Australia attach great importance to blue economy and have a good scientific research foundation,holding an absolutely dominant position in the field of blue economy research.(3)Blue industry and blue practice are the hot research topics of China's blue economy,and the evolution of research topics can be divided into three phases.Among other topics,regional analysis,sustainable blue economy,ocean governance,are the priority research areas of international blue economy research.
