Spatio-temporal pattern evolution of residents' living space in Suzhou based on POI data

This study identifies the spatio-temporal pattern of urban development based on the POI data of the entire Suzhou area in 2013, 2018 and 2023, analyzes its distribution characteristics and evolution trends, and discusses the main factors influencing the urban spatial pattern of Suzhou, providing an important reference for the optimization of urban space in Suzhou. The research finds that from 2013 to 2023, the living space of residents in Suzhou City has the following characteristics: (1) The interest points as a whole show an agglomeration feature, but there is a diffusive development trend internally; (2) The overall distribution of residents' living Spaces is from northeast to southwest, and the development trend has not undergone significant changes over the past ten years. (3) According to the development center of the living space of Suzhou residents, it first moved to the southwest and then to the southeast, but was concentrated within the central urban area of Suzhou.