成渝城市群城市建设用地扩张格局及规模体系分析

doi:10.13474/j.cnki.11-2246.2020.0223

测绘通报 ›› 2020, Vol. 0 ›› Issue (7): 103-107.doi: 10.13474/j.cnki.11-2246.2020.0223

成渝城市群城市建设用地扩张格局及规模体系分析

张亚萍¹, 张平¹, 孙丹峰¹, 刘顺喜², 伦飞¹

1. 中国农业大学土地科学与技术学院, 北京 100093;
2. 中国国土勘测规划院, 北京 100035

收稿日期:2020-01-20 出版日期:2020-07-25 发布日期:2020-08-01
作者简介:张亚萍(1998-),女,硕士生,主要研究方向为城市环境遥感。E-mail:yapingzh@qq.com
基金资助:
土地勘测规划院项目（20181011332）；国防科工局高分辨率对地观测系统重大专项（30-Y20A07-9003-17/18）

Analysis of urban construction land expansion pattern and scale system in Chengdu-Chongqing urban agglomeration

ZHANG Yaping¹, ZHANG Ping¹, SUN Danfeng¹, LIU Shunxi², LUN Fei¹

1. College of Land Science and Technology, China Agricultural university, Beijing 100093, China;
2. China Land Surveying and Planning Institute, Beijing 100035, China

Received:2020-01-20 Online:2020-07-25 Published:2020-08-01

摘要/Abstract

摘要： 基于1990—2018年六期城市建设用地监测数据，本文利用城市用地年面积增长率指数、公共边测度、核密度估计、位序-规模法则等方法，刻画成渝城市群扩张演化特征及其发展规律，并对城市群规模体系进行分析。结果表明：成渝城市群城市建设用地扩张呈先快后慢的趋势，空间上呈“中部高速，南北低速”的特点，建设用地扩张密度高值主要集中在成都、重庆二市且城市群内部连片发展不明显。城市群新增城市用地呈现无序蔓延态势，并未趋于紧凑。2000—2010年，成渝城市群规模分布极化，呈现明显的双核首位特征，2010年后规模分布由非均衡趋于均衡。

关键词: 成渝城市群, 城市建设用地, 扩展模式, 城市规模体系, 时空分析

Abstract: Based on the urban construction land information extracted from six periods of remote sensing images of from 1990 to 2018, this paper aims to unveil the temporal law and characteristics of urban agglomeration urban construction land expansion from the aspects of expansion intensity, hot spots, modes and urban agglomeration scale system. The results show that the growth rate of the expansion of urban construction land in Chengdu-Chongqing urban agglomeration is rapid first and then becoming slow with time. The high expansion density of urban construction land in Chengdu-Chongqing urban agglomeration is mainly concentrated in Chengdu and Chongqing, and the continuous development of urban agglomeration is not obvious. The new urban land in urban agglomeration presents a disorderly trend of sprawl and does not tend to be compact. The urban system of Chengdu-Chongqing urban agglomeration shows obvious dual-core characteristic, and the development of small and medium-sized cities is insufficient, but the scale distribution gradually changes from non-equilibrium to equilibrium over time.

Key words: Chengdu-Chongqing urban agglomeration, urban construction land, expansion mode, urban scale system, spatio-temporal analysis

中图分类号:

P208

张亚萍, 张平, 孙丹峰, 刘顺喜, 伦飞. 成渝城市群城市建设用地扩张格局及规模体系分析[J]. 测绘通报, 2020, 0(7): 103-107.

ZHANG Yaping, ZHANG Ping, SUN Danfeng, LIU Shunxi, LUN Fei. Analysis of urban construction land expansion pattern and scale system in Chengdu-Chongqing urban agglomeration[J]. Bulletin of Surveying and Mapping, 2020, 0(7): 103-107.

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成渝城市群城市建设用地扩张格局及规模体系分析

Analysis of urban construction land expansion pattern and scale system in Chengdu-Chongqing urban agglomeration

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