Analysis of Spatial and Temporal Changes of Impervious Surface in Guilin Based on CLCD

Shaoshao Xie ()
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Shaoshao Xie: Nanning College of Technology

A chapter in Proceedings of the 2023 5th International Conference on Economic Management and Cultural Industry (ICEMCI 2023), 2024, pp 640-645 from Springer

Abstract: Abstract With the increasing emphasis on ecological environment, the study of impervious surface has become one of the hot topics studied by many scholars. This paper takes Guilin as an example, adopts China Land Cover Dataset(CLCD), takes the four years of 1991, 2001, 2011 and 2021 as the research time points, extracts the percentage of impervious surface to be analyzed, and combined with the data of Guilin Economic and Social Statistical Yearbook of 2011 Ho 2021 to carry out the correlation analysis research of the percentage of impervious surface. The study shows that: during 1991–2021, the total impervious surface percentage of Guilin increased from 0.485% to 1. 357%, of which the period with the largest relative growth rate is 1991–2001, the largest absolute increase is 2011–2021; the impervious surface percentage of Guilin’s urban districts is far more than that of the counties, and Qixing District currently has the largest impervious surface percentage, and Yanshan District is at the bottom of the list of urban districts, and Lingui District is at the top of the list in the city in terms of both absolute and relative growth rates; There is a significant positive correlation between the percentage of impervious surface in Guilin and the districts and counties with the GDP of secondary and tertiary industries, and the correlation with the non-agricultural/urban population is not significant overall.

Keywords: Impervious surface; Guilin; secondary and tertiary GDP; correlation (search for similar items in EconPapers)
Date: 2024
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DOI: 10.2991/978-94-6463-368-9_76

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