The temporal and spatial evolution law of construction land structure in central Yunnan urban agglomeration based on GIS

Lede Niu, Lifang Zhou, Jingzhi Lin, Anlin Li and Yan Zhou

International Journal of Environmental Technology and Management, 2023, vol. 26, issue 6, 401-416

Abstract: In order to reduce the pressure of urban construction land demand and improve the level of urban land use, this paper studies the temporal and spatial evolution of the construction land structure in the central Yunnan urban agglomeration. Firstly, ArcGIS 10.3 software was used to extract the construction land quantity of the urban agglomeration in central Yunnan, and then the standard deviation ellipse, standard distance and gravity centre migration model were used to analyse its spatial characteristics. Experiments show that the northeast direction is the most prominent direction of construction land expansion in the central Yunnan urban agglomeration, while the southeast direction shows a relatively weakening trend.

Keywords: geographic information system; construction land structure; central Yunnan urban agglomeration; temporal and spatial evolution law; standard deviation ellipse. (search for similar items in EconPapers)
Date: 2023
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