[1]吴左宾,蒋蕾莉.榆林市小城镇空闲土地破碎度特征解析[J].西安建筑科技大学学报(自然科学版),2018,50(04):543-548，562.[doi:10.15986/j.1006-7930.2018.04.012]
　WU Zuobin,JIANG Leili.Study on the characteristics of idle land fragmentation in small towns of Yulin Municipality[J].J. Xi’an Univ. of Arch. & Tech.(Natural Science Edition),2018,50(04):543-548，562.[doi:10.15986/j.1006-7930.2018.04.012]
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榆林市小城镇空闲土地破碎度特征解析()
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西安建筑科技大学学报（自然科学版）[ISSN:1006-7930/CN:61-1295/TU]

卷:
50
期数:
2018年04期
页码:
543-548，562
栏目:
出版日期:
2018-08-31

文章信息/Info

Title:
Study on the characteristics of idle land fragmentation in small towns of Yulin Municipality
文章编号:
1006-7930(2018)04-0543-06
作者:
吴左宾1; 2; 蒋蕾莉1
(1.西安建大城市规划设计研究院,陕西 西安 710055 ;2.西安建筑科技大学 建筑学院,陕西 西安 710055 )
Author(s):
WU Zuobin1; 2;  JIANG Leili1
(1. Xi’an Jianda Institute of Urban Planning and Design, Xi ’an 710055, China; 2.School of Architecture, Xi ’an Univ. of Arch. & Tech., Xi’an 710055, China)
关键词:
榆林市小城镇; 空闲土地; 破碎度; 关联性; 特征
Keywords:
small towns of Yulin City;  the idle land;  landscape fragmentation;  relationship;  characteristics
分类号:
TU981
DOI:
10.15986/j.1006-7930.2018.04.012
文献标志码:
A
摘要:
土地利用破碎化是小城镇处于快速发展时期的典型特征之一.本文以榆林市152个小城镇为对象，借助ArcGIS地理信息系统平台，定量测度分析榆林市小城镇现状空闲土地的破碎化程度，并探讨了小城镇空闲土地破碎度与自然地貌环境、城镇可达性、城镇人口规模和城镇职能之间的关联性特征.结果表明：第一，榆林市小城镇空闲土地破碎化程度受地貌环境影响作用显著，且在破碎度数值上与自然地貌环境呈现高度耦合；第二，榆林市小城镇空闲土地破碎度与城镇可达性呈现正相关性，随着可达性时空距离的增加，小城镇空闲土地破碎度数值明显递增；第三，榆林市小城镇空闲土地破碎度与城镇人口规模呈负相关关系，人口规模大于2万的城镇空闲土地破碎度数值明显低于人口规模小于2万的城镇空闲土地破碎度数值；第四，榆林小城镇空闲土地破碎度受城镇职能影响显著，发展动力较为强劲的综合型和工矿型小城镇空闲土地破碎度情况明显低于因发展动力不足的农牧集散服务型、交通商贸型和旅游服务型城镇的空闲土地破碎度数值.在上述研究基础上，提出了榆林市小城镇空闲土地优化的建议
Abstract:
Land-use fragmentation is one of the typical characteristics of small towns in the period of rapid economic development. Based on the 152 small towns of Yulin City, this paper uses ArcGIS tool to quantitatively analyze the idle land in the small towns of Yulin city. Furthermore, this paper discusses the correlation characteristic between the fragmentation degree of small towns and nature environment, city accessibility, urban population scale and urban function. Firstly, the fragmentation degree of idle land in Yulin’s small towns is affected by the geomorphic environment and it is highly coupled with the natural geomorphic environment on the broken numericals. Secondly, a positive correlation is shown between idle land fragmentation degree and city accessibility in small towns of Yulin City. With the decrease of accessibility, the number of idle land fragmentation value shows a clear increasing trend. Thirdly, there is a negative correlation between idle land fragmentation degree and urban population scale. The number of idle land in a population than 20 000 is significantly lower than that of the urban land with less than 20 000 population. Fourthly, the fragility of idle land in small towns of Yulin City is significantly affected by the function of the towns. The number of idle land fragmentation value is obviously lower in the small towns with relative strong development power, like comprehensive towns and mining towns, than those towns lack of development power, like agriculture and animal husbandry and distributing type service, transportation, commerce and tourism towns. Based on the study, optimization recommendations of the idle land in small towns of Yulin City are proposed.

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备注/Memo

备注/Memo:
收稿日期:2017-08-08修改稿日期:2018-07-05
基金项目:国家自然科学基金项目（51378421）； 陕西省自然科学基础研究计划面上项目（2016JM5069）
第一作者:吴左宾（1977—），男，博士，高级工程师，主要从事城乡规划与设计研究.E-mail:576502875@qq.com
更新日期/Last Update: 2018-09-11