中国岩溶2012，Vol.31Issue(2)：204-211,8.
贵州省城镇用地扩展强度时空分异及影响因素
Spatial-temporal differentiation of urban land area expansion intensity and the influence factors in Guizhou
摘要
Abstract
The land use data are acquired from the TM images of 1995, 2000, 2007 with the aid of Erdas and Arcview software. The urban expansion intensity index in every county of Guizhou are calculated and the influence factors to the expansion of urban and town involving transportation, economy and natural conditions are analyzed. The results show that:1) there are 16 cities and towns with high expansion speed from 2001 to 2007, but in the period of 1995-2000 there are only 5 cities and towns with high expansion speed;2) big cities on the North-South traffic axis (Zun-Chong Expressway, Gui-Zun Expressway, Gui-Xin Expressway, State Road 210) and East-West traffic axis (Kai-Ma Expressway, Gui-Huang Expressway, State Road 320) expand faster, and the rapidly expanding locations appear near the center of traffic intersection and this trend gets more and more obvious; 3) in view of the expansion intensity grade, the expansion intensity gradually increases, from low speed, low-medium speed, medium speed, medium-high speed to high speed. There is a direct proportion between the grade of road and the urban expansion intensity, in other words, the high the grade of road, the larger the urban land area expansion intensity along the road. Economy is an important factor to urban expansion, high speed development of economy strengthens urban expansion. Flat landform is beneficial to urban expansion, while uneven land can impede urban expansion.关键词
城镇土地利用/扩展强度/时空分析/驱动力/贵州省Key words
urban land use/expansion intensity of urban land area/spatial-temporal analysis/driving power/Guizhou分类
社会科学引用本文复制引用
周志明,李阳兵,张元洪,罗光杰..贵州省城镇用地扩展强度时空分异及影响因素[J].中国岩溶,2012,31(2):204-211,8.基金项目
国家重点基础研究发展计划项目(编号:2006CB403200)、教育部“新世纪优秀人才支持计划”项目(编号:NCET-05-0819)、2010年度教育部人文社会科学研究一般项目(西部和边疆地区项目)(10XJAZH002) （编号:2006CB403200）
