Abstract
The tense relationship between the supply and demand of land resources and the past spatial expansion of urban development in Beijing have brought many urban problems. Mixed land use is considered to be able to solve these urban problems as well as promote sustainable urban development. In this context, this study uses multi-source big data such as POI, OpenStreetMap and web crawler data to construct current land-use data of the area within the sixth ring road of Beijing, and then uses the entropy index and type number index to analyze the spatial distribution and aggregation characteristics of the mixed land-use level. Finally, a multi-scale geographically weighted regression is applied to explore the impact of the block and life circle scale mixed land use on housing prices. The results show that: (1) the accuracy of land use data obtained by using multi-source big data is high, and the consistency with the real land use situation is as high as 82.67%. (2) the mixed land use level in the study area is higher in the urban center and lower in the periphery of the city. However, it does not show the spatial distribution characteristics gradually decreasing with the increase of the distance from the urban center but shows that the area from the third to the fifth ring road is the highest. (3) the impact of block scale and life circle scale mixed land use on housing price is different. The type number index has a negative effect on the housing price in block scale mixed land use, while the entropy index has a positive effect on the housing price in life circle scale mixed land use. Based on the existing “bottom-up” individual-dominant development mode, the government of Beijing should issue relevant policies and documents to give “top-down” control and guidance in the future, so as to promote the maximization of the benefits of mixed land use. Furthermore, in the practice of mixed land use in Beijing, land use types should be reduced at the block scale and the area of different land use types should be balanced at the life circle scale.
Highlights
Since the beginning of the 20th century, urban development has caused numerous urban problems, such as congestion, serious air pollution, endless urban sprawl, and inappropriate land development with low urban density [1]
Studies indicate that mixed land use will lead to traffic congestion, land occupation, high-density housing, parking difficulty, chaos and noise, stressed infrastructure, and the like [5], more research have confirmed the important role of mixed land use in promoting intensive land use, sustainable urban development, and compact cities [6,7,8]
5, mixed land use widely exists within the sixth ring road in Beijing, especially within the fifth ring road, while single-function blocks are mainly distributed in the urban within the fifththe ring road, single-function blocks mainly in the the land urban periphery from fifth to while the sixth ring road
Summary
Since the beginning of the 20th century, urban development has caused numerous urban problems, such as congestion, serious air pollution, endless urban sprawl, and inappropriate land development with low urban density [1]. Studies indicate that mixed land use will lead to traffic congestion, land occupation, high-density housing, parking difficulty, chaos and noise, stressed infrastructure, and the like [5], more research have confirmed the important role of mixed land use in promoting intensive land use, sustainable urban development, and compact cities [6,7,8]. It can bring about the improvement of cognitive and structural social capital and improve urban vitality [9,10,11]. Mixed land use can reduce regional energy consumption and carbon emissions, promote the improvement of residents’
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