摘要
提出构建北京市温度分布与空间结构的之间定量关系的思想。首先以2002-05-22 ETM+作为数据源,利用分形理论初步构建北京市温度分布与盒维数,最大、最小非均匀标度指数αm ax,αm in,(αm ax-αm in)以及信息维D(1)之间的关系;然后利用北京市1997-05-16和杭州1998-08-11的TM遥感数据对所建立的关系进行了验证。研究表明,温度分布与盒维数、αm in和D(1)之间存在较好的正相关关系,而与(αm ax-αm in)之间的关系在不同时间和城市存在较大的差异。温度分布与盒维数、αm in以及D(1)之间的定量关系,为定量解释城市空间结构与温度分布之间奠定了一个新基础。城市空间结构极为复杂,利用分形理论研究城市环境要素、现象与城市空间特征之间的关系时,对于分形参数的物理、现实意义一定要根据具体的研究时间、地点和目的给出谨慎的解释。
The idea of constructing the relationship of temperature distribution to spatial structure of Beijing areas was brought forward in the research. Firstly, Landsat7 ETM + remote sensing data of Beijing city (22 ,May,2002) was used to build the relationships between temperature distribution and Fractal Parameters such as Box dimensions, Lipshitz-Hslder exponents αmax,αmin (αmax-αmin) and information dimension D( 1 ). Then, Landsat5 TM remote sensing data of Beijing city ( 16, May, 1997) and Hangzhou city ( 11, Aug, 1998 ) were used to verify the previous relationships. Finally, this research showed that the distribution of city temperature fields existed the evidenced linear relationship with Box dimensions, αmin and D ( 1 ), and their correlative coefficients are higher, however, with αmax and ( αmax-αmin) was uncertain. City spatial characteristic is very complex, when explains the relationships of environmental factor and (or) phenomena to spatial structure of city by fractal theory, the physical and real significance of fractal parameters must be explained carefully.
出处
《遥感学报》
EI
CSCD
北大核心
2005年第6期697-707,共11页
NATIONAL REMOTE SENSING BULLETIN
基金
国家自然基金项目(批准号:30371192)资助
关键词
北京
温度分布
盒维数
多重分形
空间结构
Beijing
temperature distribution
box dimension
muhi-fractal
spatial structure