引用本文:向冬蕾, 李建华, 刘洋, 刘甲明, 杨元智, 陈运春.环滇池城区建设用地扩张及驱动机理研究[J].西南大学学报(自然科学版),2019,41(10):117~124
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环滇池城区建设用地扩张及驱动机理研究
向冬蕾, 李建华, 刘洋, 刘甲明, 杨元智, 陈运春1,2,3
1. 云南农业大学 水利学院, 昆明 650201;2. 云南农业大学 国土资源科学技术工程研究中心, 昆明 650201;3. 云南农业大学 资源与环境学院, 昆明 650201
摘要:
为了解昆明市环滇池城区建设用地扩张机理,运用扩展速度指数、扩展强度指数、公共边指数、核密度测算法和灰色关联度分析对2006-2015年环滇池城区建设用地扩张模式及其扩张主要驱动机理进行探究.结果表明:五华区、盘龙区和西山区为向内填充式集聚扩张模式,官渡区、呈贡区和晋宁区为向外分散式扩张,多为小中心组团扩散式扩张.2006年环滇池城区建设用地核密度值以单中心圈层式向外降低,2015年核密度整体向滇池东南方向扩散分布.2006年环滇池城区建设用地扩张为政府投资带动产业增长,2015年建设用地扩张以城市宏观规划建设及国家的发展战略调控驱动为主.环滇池城区建设用地整体受国家政策驱动为主,且具有滞后性.
关键词:  环滇池城区  建设用地扩张  公共边  核密度测算
DOI:10.13718/j.cnki.xdzk.2019.10.016
分类号:P285.2+3
基金项目:国土资源部公益性性科研专项(2011511003-3);国土资源部西南多样性区域土地优化配置与生态整治科技创新团队开放基金项目(YNTD2017KF06).
Analysis of Construction Land Expansion in the Urban Area Around Dianchi Lake and Its Driving Mechanism
XIANG Dong-lei, LI Jian-hua, LIU Yang, LIU Jia-ming, YANG Yuan-zhi, CHEN Yun-chun1,2,3
1. College of Water Conservancy, Yunnan Agricultural University, Kunming 650201, China;2. Research Center of Land and Resources Science and Technology Engineering, Yunnan Agricultural University, Kunming 650201, China;3. College of Resources and Environment, Yunnan Agricultural University, Kunming 650201, China
Abstract:
In order to understand the mechanism for the expansion of construction land around Dianchi Lake in Kunming, expansion speed index, expansion intensity index, public edge index, nuclear density measurement method and gray relational analysis were used to explore the expansion mode and the main driving mechanism of the expansion of construction land around Dianchi Lake from 2006 to 2015. The results showed an inward-filled agglomeration expansion mode in Wuhua district, Panlong district and Xishan district, and an outward dispersed expansion mode in Xishan district, Guandu district, Chenggong district and Jinning district, mostly a small center group expansion mode. In 2006, the nuclear density of the construction land around Dianchi Lake decreased outwards in a single central circle, and in 2015, the nuclear density spread to the southeast of Dianchi Lake. In 2006, the construction land of Dianchi Lake area was expanded to promote industrial growth with government investment, and in 2015, the expansion of construction land was mainly driven by urban macro-planning and construction and national development strategy regulation. As a whole, the construction land in Dianchi Lake area is mainly driven by state policies, and shows a hysteresis.
Key words:  the urban area around Dianchi Lake  construction land expansion  public edge  nuclear density calculation
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