贵阳城市土地利用变化及其环境效应  

Changes of Ubran Land Use in Guiyang and the Environmental Effects

作　　者：苏维词[1] 

机构地区：[1]贵州科学院山地资源研究所,贵州贵阳550001

出　　处：《地理科学》2000年第5期462-468,共7页Scientia Geographica Sinica

基　　金：国家自然科学基金!资助项目 (496 6 10 0 3)

摘　　要：从城市土地利用的范围 (规模 )、土地利用功能和用地形态等方面阐述了贵阳城市土地利用变化过程、特征、趋势 ,探讨了城市土地利用变化的驱动力因子 ,并对近代贵阳城市土地利用变化所带来的系列环境效应进行了分析评述。In views of ubran land use scale,functional structure and spatial pattern of land use this article preliminary analyzed the basic characteristics of urban land use changes in Guiyang City for last seven centuries:(1) expanding speed of urban land use scale become more and more faster,but the expanding way was first exterior extension (before 1985), they belongs to interior transition together with exterior extension; (2) functional structure of urban land use from single to mixture and next to separatation methodically;(3) shape structure of urban land use from concentrated distribution(before liberation) to assembled distribution (iner city and seven satellite towns).Based on these analysis,the authors explored the main driving forces ( such as policy and institution,the agglomeration of population and economics, karst landform structure, compensating use of urban land, urban traffic and communication, the progression of science and technology, and suitability of urban land) which affected the development of Guiyang ubran land use. Finally, the environmental effects ( especially in modern times ) following the development process of ubran land use in Guiyang were summarized as follows:(1) modern city siknesses 'are serious(mainly including urban island climate', crowding urban residential environment and unreasonable land use strueture), (2) urban environmental quality tend to deterioration,(3) the frequencies of urban disasters (such as flood, landslide and mud rockflow,karst collapse) are quickening.

关 键 词：城市土地利用变化 驱动力因子 环境效应 贵阳市 

分 类 号：TU984.113[建筑科学—城市规划与设计]