摘要
基于1997年1∶10000航片以及2002、2005和2008年QuickBird数据,应用Barista软件以及GIS、RS技术,提取了沈阳市铁西区居住区建筑物的三维信息,采用道路密度、绿化率、建筑平均高度、高度标准差、建筑覆盖率、容积率、建筑体形系数以及人口密度和人均GDP等指标,分析了1997—2008年铁西居住区改造过程中三维景观的变化规律与影响因素.结果表明:1997—2008年,铁西居住区工业建筑面积比重降低,商业与其他公共类建筑面积比重增加,居住、教育与医疗建筑面积比重基本保持稳定;研究区建筑数量减少,建筑覆盖率及体形系数降低,容积率、平均高度、高度标准差及道路密度、绿化率升高;在居住区有限的空间内,人口与经济活动容纳能力提高的同时环境质量也有所提高,建筑高度变异程度增大,建筑能耗降低.人口密度、人均GDP与容积率、道路密度和绿化率呈正相关,与建筑覆盖率呈负相关.
Based on the 1：10000 aerial photo in 1997 and the three QuickBird images in 2002,2005,and 2008,and by using Barista software and GIS and RS techniques,the three-dimensional information of the residential community in Tiexi District of Shenyang was extracted,and the variation pattern of the three-dimensional landscape in the district during its reconstruction in 1997-2008 and related affecting factors were analyzed with the indices,i e.road density,greening rate,average building height,building height standard deviation,building coverage rate,floor area rate,building shape coefficient,population density,and per capita GDP.The results showed that in 1997-2008,the building area for industry decreased,that for commerce and other public affairs increased,and the area for residents,education,and medical cares basically remained stable.The building number,building coverage rate,and building shape coefficient decreased,while the floor area rate,average building height,height standard deviation,road density,and greening rate increased.Within the limited space of residential community,the containing capacity of population and economic activity increased,and the environment quality also improved to some extent.The variation degree of average building height increased,but the building energy consumption decreased.Population growth and economic development had positive correlations with floor area rate,road density,and greening rate,but negative correlation with building coverage rate.
出处
《应用生态学报》
CAS
CSCD
北大核心
2011年第2期453-459,共7页
Chinese Journal of Applied Ecology
基金
国家自然科学基金项目(40801069)
中国科学院沈阳应用生态研究所知识创新工程项目(06LYQY1001)资助
