摘要
选取滇池流域、洱海流域、泸沽湖流域作为研究区,利用TM影像解译出三个流域土地利用类型数据,应用分形理论,在SPSS软件中根据三个流域各种土地利用类型斑块的面积、周长对数做回归模拟计算,得到各种土地利用类型的回归模型方程式及相关系数等参数,并计算各种土地利用类型的分维数与稳定性指数,揭示了三湖流域土地利用类型稳定性指数空间变异规律.通过对各种研究数据的分析表明:①三个流域土地利用类型分布具有明显的分形结构.②各流域间相同的土地利用类型稳定性既具有相同的特征,又呈现不同的发展规律.③流域的土地利用类型的分维值及稳定性与当地的自然地理状况、经济发展水平、产业结构等具有高度的自相关性.④土地利用类型的分维值与稳定性受人类规划改造的影响巨大,人类利用改造的越多的地方,其分维值越小,反之越大.
Dianchi Basin, Erhai Basin and Lugu Lake Basin are taken as the studying areas in this paper. Thematic Mapper images are then adopted to interpret the data of land use types in the three lakes basins. The fractal theory is employed to obtain the regression equation model, parameters of correlation coefficient, fractal dimension and stability index with SPSS Software based on the logarithm of area and circumference of different land use types. The law of spatial variability of land use types in three lakes basin is thus revealed. Through the analysis of various research data, it shows that： ① the distribution type of land use has obvious fractal structure in three lakes basin ;② the stability of same land use types have the same characteristics and different development law between each basin ; ③ the fractal dimension and stability of the land use types have high degree autocorrelation with the local geographical conditions, economic development, and industrial structure, etc. ; ④the fractal dimension and stability of land use types have been influenced greatly by human planning transformation and activities： the more intense human planning transformation, the smaller the fractal dimension, and vice versa.
出处
《昆明理工大学学报（自然科学版）》
CAS
北大核心
2012年第4期6-13,18,共9页
Journal of Kunming University of Science and Technology(Natural Science)
基金
国家自然科学基金(31060114)
关键词
分形理论
分维数
稳定性指数
空间变异分析
fractal theory
fractal dimension
stability index
spatial variability analysis
