基于土地利用类型的武汉城市圈绿色空间格局演变研究

Study of Green Space Pattern Change in Wuhan Urban Agglomeration Based on Land Use

通过阐述城市绿色空间的概念和内涵,从土地利用类型的角度,对武汉城市圈1997-2007年的土地变更数据进行分类汇总,并通过计算土地利用动态度和洛伦茨系数、绘制洛伦茨曲线,揭示城市圈绿色空间数量变化和空间结构变化的特征。结果显示,绿色空间的主要用地类型的空间分布具有不均衡性,其中,耕地、园地、牧草地、荒草地逐年减少,牧草地变化幅度最大,分布最不均衡。最后提出了武汉城市圈绿色空间的调控对策,为武汉城市圈建设生态城市群、构建"两型社会"提供科学依据。

This paper elaborates the concept and connotation of green space, and classifies and analyzes the data of land use change from 1997 to 2007. By applying land use dynamic degree, Lorenz Curve and Gini Coefficient, the paper reveals the charaeteristies of quantity and spatial structure changes of green space in urban agglomeration of Wuhan City. The results show that the spatial distribution of green space of the main land use type is not in balance, with cultivated land, garden, grassland, pas- ture decreasing year by year, in which the pasture experiences the greatest change and thus has the most unequal distribution. The paper finally puts forward regulatory measures as a scientific basis for the construction of ecological urban agglomeration and Two-oriented Society in urban agglomeration of Wuhan City.