2010—2017年郑州市“三生空间”时空演化分析

Spatial-temporal evolution analysis of“Production-Ecological-Living Spaces”in Zhengzhou city from 2010 to 2017

基于土地利用、DEM等数据,借助ArcGIS、Excel等软件操作平台,采用转移矩阵法,从时空格局、不同海拔高度、时空转型3个方面对2010—2017年郑州市“三生空间”时空演化作出分析。结果表明,2010—2017年郑州市生产空间呈大面积缩减趋势,面积占比下降8.13个百分点,生活空间和生态空间面积均呈增加趋势,面积占比分别增加5.21和2.92个百分点。从不同海拔高度上来看,2010—2017年间,生产空间在海拔低于1200 m的区域内呈减少趋势;生活空间在海拔低于1200 m的区域内呈增加趋势;生态空间在海拔为200~1200 m的区域内呈增长趋势。郑州市“三生空间”之间的转换较为频繁,尤其是生产空间与生活空间、生产空间与生态空间的相互转化量较大。

Based on land use,DEM and other data,and with the help of ArcGIS,Excel and other software operating platforms,this paper adopted the transfer matrix method to analyze the spatial-temporal evolution of“three-life space”in Zhengzhou city from 2010 to 2017 from three aspects:spatial-temporal pattern,different altitudes,and spatial-temporal transformation.The results showed that from 2010 to 2017,the production space in Zhengzhou city showed a trend of large-scale reduction,the area proportion decreased by 8.13 percentage points,while the living space and ecological space both showed a trend of increase,the area proportion increased by 5.21 percentage points and 2.92 percentage points,respectively.From different altitudes,from 2010 to 2017,the production space showed a decreasing trend in the regions with an altitude below 1200 m.Living space increased in the area below 1200 m above sea level.The ecological space showed an increasing trend in the region with an altitude of 200~1200 m.The conversion between“three living Spaces”in Zhengzhou was relatively frequent,especially the mutual conversion between production space and living space,as well as production space and ecological space.