Spatialization of population in Guangzhou supported by nighttime light data

doi:10.13474/j.cnki.11-2246.2021.0142

Abstract

Abstract: Understanding the spatial distribution of population can provide data to support urban management and urban planning, which is of great practical significance for improving urban development. Therefore, this study uses the nighttime light (NTL) image of LJ-1 01 as the basic data, Guangzhou as the study area, and combines the population estimation model and other methods to carry out a study of population spatialization based on NTL data. The results show that the LJ-1 01 NTL data can be effectively applied to the study of population spatialization. After population spatialization, the population distribution in Guangzhou has a distinctive feature of “one main center, multiple cores”, and the differences in population distribution within each area can be clearly shown and distinguished. The results of this study can be of some value in supporting urban planning and urban management.

Key words: LJ-1 01, nighttime light data, population spatialization, population estimation model, Guangzhou city

CLC Number:

P208

WU Xianwen, SU Yunzhong, SUN Zhaohui. Spatialization of population in Guangzhou supported by nighttime light data[J]. Bulletin of Surveying and Mapping, 2021, 0(5): 59-62.

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