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    Advance of geographic sciences and new technology applications
    LIAO Xiaohan
    PROGRESS IN GEOGRAPHY    2020, 39 (5): 709-715.   DOI: 10.18306/dlkxjz.2020.05.001
    Abstract925)   HTML34)    PDF (1841KB)(429)      

    Modern technologies develop rapidly in the areas of computers, Internet, aerospace and aeronautics, automation and sensor network, environmental remediation and ecological restoration, and so on, which overlap with a large number of basic and applied basic research disciplines. With the application of new technologies, the geography, which characterizes of integrity, interdisciplinary and regionality, has been strongly promoted. The highlights include: 1) The spatial and temporal coverage of research can expand to the entire globe at near real-time, and the accessibility of data on remote and extreme geographical environments has greatly improved. 2) Multi-methods and multi-channels of data acquisition promote the explosive growth of data. The analysis of rules and patterns has been developed from relying on limited spatiotemporal information to relying on new technologies to acquire high spatiotemporal dynamic data for big data mining. 3) The research scopes expand from static knowledge acquisition and mechanism analysis to dynamic works including ecological restoration and environmental management. 4) The disciplines developed at broadened scopes, and embedded with cross-cutting new technologies that in return brought about new vitality to geography. With the help of new technologies and the injection of big data "fuel", the development of geographic sciences in the new era will play an important role by providing "complex" solutions in the process of global and regional social and economic development.

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    A new time-geography research framework of community life circle
    CHAI Yanwei, LI Chunjiang, ZHANG Yan
    PROGRESS IN GEOGRAPHY    2020, 39 (12): 1961-1971.   DOI: 10.18306/dlkxjz.2020.12.001
    Abstract818)   HTML59)    PDF (1874KB)(242)      

    Community life circle examines urban communities from the perspective of residents' daily activities. It is the frontier of urban geography and urban related studies. It is also an important part of the innovation of Chinese territorial and spatial planning system and an important starting point for the sustainable development of China's urban society. With the continuous deepening of mobility and informatization, the agents of community life circles, community activities and residents' spatiotemporal behavior, and the function and meanings of community space are becoming more diversified, which needs innovative research and practical guidance of urban social geography. Time-geography is a comprehensive social-technical-ecological approach to understand the relationship between humans and the environment, which provides an essential basis for early research on community life circles based on activity space. New time-geography attaches great importance to the interactions and spatiotemporal combinations of projects between family and other social organizations. It can provide an important basis for the study of the complex interactions between individual, family, and community and the sociocultural constraints, the complex context analysis, and the simulation of spatiotemporal behavior in community life circles. Based on the new time-geography approach, this study proposed a new time-geography research framework of community life circle from theoretical, methodological, and empirical perspectives, including: 1) constructing the community life circle theory based on spatiotemporal behavior and revealing community life circle spatial and temporal structures; 2) developing methods for collecting and analyzing spatiotemporal behavioral data of community life circle and simulation; 3) innovating Chinese urban planning and management from the aspects of optimizing residents spatiotemporal behaviors within the community life circle, community social interaction life circle, and community safety life circle.

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