Characteristics and Spatial Effects of the Spatio-Temporal Pattern Evolution of Industrial Land in Xi'an

As an organic part of urban functions,industrial land is of great significance to the urban healthy and sustainable development.Although consensus has been reached on the evolutionary characteristics and spatial effects of industrial land,the influence mechanism of the evolution of in-dustrial land on urban space still needs further exploration.Therefore,the evolution of industrial land in Xi'an from 2003 to 2019 is analyzed by the land use change matrixes,mixed degrees index,and sprawl index according to the multisource data.The results show that the scale change of indus-trial land is characterized by an inverted U-shaped curve and development zone-oriented spatial aggregation.Suburbanization,the conversion of ag-ricultural land to industrial land in the suburbs,has intensified urban sprawl,resulting in more serious work-living imbalance and traffic congestion.Deindustrialization,the conversion of industrial land to residential,commercial,and business facilities land in the city center,has promoted urban sprawl,generated a large amount of construction waste,and caused a waste of resources.Based on the complex factors such as urban planning,land finance,and development zones,this study contributes to the research of the improvement of the rationality of urban land layout by revealing the in-fluence mechanism of the evolution of industrial land on urban space.