What will be the future of Chinese urban heritage in the context of globalisation and a socialist market?Ju Er Hutong,as one of the first rehabilitation projects to take place during China’s late-1980s housing reform...What will be the future of Chinese urban heritage in the context of globalisation and a socialist market?Ju Er Hutong,as one of the first rehabilitation projects to take place during China’s late-1980s housing reforms,is generally considered a successful initiative in terms of urban regeneration and historic area conservation.To what extent does this success demonstrate a capacity to develop new policies and a new planning approach in the current Chinese urban regeneration process?To answer this question,and to summarize its achievements and its remaining unsolved problems,this paper provides the following insights:(1)an analysis of the evolution of Ju Er Hutong to its current form;(2)a literature review concerning the background and the outcome of the rehabilitation process;and(3)a critical assessment of the overall process,so as to summarize its constitutive advantages and problems.展开更多
数据质量评价是土地覆盖产品选择的依据和应用的前提。以云南省普洱市为研究区,采用面积相关系数、类型混淆分析、空间模式一致性分析以及混淆矩阵等方法,根据机载影像分类和亚米级影像目视判读结果,分析了该区的4种10m空间分辨率的土...数据质量评价是土地覆盖产品选择的依据和应用的前提。以云南省普洱市为研究区,采用面积相关系数、类型混淆分析、空间模式一致性分析以及混淆矩阵等方法,根据机载影像分类和亚米级影像目视判读结果,分析了该区的4种10m空间分辨率的土地覆盖产品(Pu′er LC,Esri_Land_Cover_2020_10m, ESA World Cover和Dynamic World)的精度和一致性。结果表明:1)4种土地覆盖产品的土地类型和分布格局基本一致,以林地为主,灌木与草地、耕地次之,面积相关性较高,相关系数均大于0.9;2)空间高一致性区域占普洱总面积的64.87%,以林地为主,空间一致性较低的区域内灌木与草地、林地、耕地、建设用地等土地覆盖类型交错分布;3)精度验证结果表明,Pu′er LC数据总体精度最高(88.52%),其他3个产品总体精度相差不大,在75%左右。研究可以为土地覆盖数据质量评价和使用等方面提供参考和借鉴。展开更多
文摘What will be the future of Chinese urban heritage in the context of globalisation and a socialist market?Ju Er Hutong,as one of the first rehabilitation projects to take place during China’s late-1980s housing reforms,is generally considered a successful initiative in terms of urban regeneration and historic area conservation.To what extent does this success demonstrate a capacity to develop new policies and a new planning approach in the current Chinese urban regeneration process?To answer this question,and to summarize its achievements and its remaining unsolved problems,this paper provides the following insights:(1)an analysis of the evolution of Ju Er Hutong to its current form;(2)a literature review concerning the background and the outcome of the rehabilitation process;and(3)a critical assessment of the overall process,so as to summarize its constitutive advantages and problems.
文摘数据质量评价是土地覆盖产品选择的依据和应用的前提。以云南省普洱市为研究区,采用面积相关系数、类型混淆分析、空间模式一致性分析以及混淆矩阵等方法,根据机载影像分类和亚米级影像目视判读结果,分析了该区的4种10m空间分辨率的土地覆盖产品(Pu′er LC,Esri_Land_Cover_2020_10m, ESA World Cover和Dynamic World)的精度和一致性。结果表明:1)4种土地覆盖产品的土地类型和分布格局基本一致,以林地为主,灌木与草地、耕地次之,面积相关性较高,相关系数均大于0.9;2)空间高一致性区域占普洱总面积的64.87%,以林地为主,空间一致性较低的区域内灌木与草地、林地、耕地、建设用地等土地覆盖类型交错分布;3)精度验证结果表明,Pu′er LC数据总体精度最高(88.52%),其他3个产品总体精度相差不大,在75%左右。研究可以为土地覆盖数据质量评价和使用等方面提供参考和借鉴。
