库尔勒市城市空间扩展特征及其驱动因素研究

doi:10.7522/j.issn.1000-0240.2017.0051

冰川冻土 ›› 2017, Vol. 39 ›› Issue (2): 443-452.doi: 10.7522/j.issn.1000-0240.2017.0051

• 生态经济与可持续发展 • 上一篇下一篇

库尔勒市城市空间扩展特征及其驱动因素研究

布买日也木·买买提^1,2,3,4, 丁建丽^1,2, 孜比布拉·司马义^1,2,3, 阿里木江·卡斯木⁵

1. 新疆大学资源与环境科学学院, 新疆乌鲁木齐 830046;
2. 新疆大学绿洲生态教育部重点实验室, 新疆乌鲁木齐 830046;
3. 新疆大学智慧城市与环境建模教育厅高校重点实验室, 新疆乌鲁木齐 830046;
4. 新疆农业大学管理学院, 新疆乌鲁木齐 830052;
5. 新疆师范大学地理科学与旅游学院, 新疆乌鲁木齐 830054

收稿日期:2016-12-10 修回日期:2017-02-15 出版日期:2017-04-25 发布日期:2017-07-08
通讯作者: 丁建丽,E-mail:ding_jl@163.com E-mail:ding_jl@163.com
作者简介:布买日也木·买买提(1985-),女,新疆伽师县人,2011年在香港中文大学太空与地球信息科学研究所(ISEIS)获硕士学位,现为新疆大学在读博士研究生,从事干旱区资源环境、城市遥感方面的研究.E-mail:bumaryam803@163.com
基金资助:
国家自然科学基金项目（41161063；41261090；41361043；41661036）；新疆维吾尔自治区科技支疆项目（201591101）；新疆维吾尔自治区重点实验室专项基金项目（2014KL005；2016D03001）；国家自然科学基金新疆联合重点基金项目（U1603241）；新疆大学绿洲生态教育部重点实验室开放课题（批准号040079）资助

Characteristics of urban spatial expansion and its driving factors in Korla City

Bumairiyemu Maimaiti^1,2,3,4, DING Jianli^1,2, Zibibula Simayi^1,2,3, Alimujiang Kasimu⁵

1. College of Resource and Environmental Science, Xinjiang University, Ürümqi 830046, China;
2. Key Laboratory of Oasis Ecology, Xinjiang University, Ürümqi 830046, China;
3. Key Laboratory of Smart City and Environment Modeling of Colleges and Universities, Xinjiang University, Ürümqi 830046, China;
4. School of Management, Xinjiang Agricultural University, Ürümqi 830052, China;
5. School of Geographic Science and Tourism, Xinjiang Normal University, Ürümqi 830054, China

Received:2016-12-10 Revised:2017-02-15 Online:2017-04-25 Published:2017-07-08

摘要/Abstract

摘要： 以库尔勒市1990年、1995年、2000年、2005年、2010年以及2015年6个时期的Landsat TM/ETM+影像作为基础数据，借助ENVI 4.5、ArcGIS 10.1等专业软件对影像进行监督分类和空间分析。在此基础上，分析库尔勒市近25 a来土地利用时空变化规律、城市空间扩展趋势及演变过程、城市重心转移方向及距离和城市空间扩展形态变化特征等。研究表明：近25 a间库尔勒市建设用地面积大幅度增加，所占比例不断上升，年均增加速率为15.18%。耕地和未利用地对城市建设用地扩展贡献较大。城市向东南方向扩展，城市重心向东南方向转移了总共2 118.46 m。城市空间扩展紧凑度呈下降趋势，分形维数呈上升趋势，表明城市空间扩展趋于结构疏散化、形状复杂化。针对于以上特征及扩展趋势，分析了库尔勒市城市空间扩展的驱动因素并提出一些对策建议，为城市可持续发展提供科学依据。

关键词: 城市空间扩展, 建设用地, 遥感和GIS技术, 库尔勒市

Abstract: Based on the LandsatTM/ETM⁺ imagery data of Korla City in 1990, 1995, 2000, 2005, 2010 and 2015, the urban land was classified by using of supervised classification method in ENVI 4.5 software and spatial analysis was employed by using of ArcGIS 10.1 software. The spatial-temporal changes of land use mode, urban expansion trend and evolution process, the shifting directions of urban center of gravity and its moving distance and extend pattern features of urban expansion were analyzed. The result indicates: 1) Over the past 25 years, the area and proportion of construction land were substantially increased, annual average growth rate was 15.18%. 2) Farmland and unused land contributed greatly to urban expansion. 3) City extended to southeast, city gravity center shifted to the southeast about 2 118.46 meters. 4)Urban compactness trend to decrease and fractal dimension index trend to increase, this indicated the spatial structure of city is losing and becoming more complex and unstable. Based on the above features and extension trends, this study analyzed the driving factors of urban spatial expansion and puts forward some suggestions and provides scientific bases for sustainable development of Korla City.

Key words: urban expansion, construction land, remote sensing & GIS technique, Korla City

中图分类号:

F293.22

布买日也木·买买提, 丁建丽, 孜比布拉·司马义, 阿里木江·卡斯木. 库尔勒市城市空间扩展特征及其驱动因素研究[J]. 冰川冻土, 2017, 39(2): 443-452.

Bumairiyemu Maimaiti, DING Jianli, Zibibula Simayi, Alimujiang Kasimu. Characteristics of urban spatial expansion and its driving factors in Korla City[J]. JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY, 2017, 39(2): 443-452.

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库尔勒市城市空间扩展特征及其驱动因素研究

Characteristics of urban spatial expansion and its driving factors in Korla City

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