土地利用总体规划和城市总体规划(以下简称"两规")编制成果是指导城市土地利用和管理的重要依据,两者的协调对于"两规"的协调编制和实施具有重要意义。通过分析"两规"的内在联系,基于"两规"编制成果,从经济、社会、资源和环境4个方面构建了"两规"编制成果的协调状况综合评价体系,先计算了"两规"规划目标年和基期年的指标计算增长率,再采用协调度模型计算各个指标增长率的协调值,运用层次分析法确定各个因子的权重,最后采用指标加权求和法进行综合计算;并进一步通过ArcGIS软件空间叠加分析确定"两规"空间布局的差异。以南京市为例,计算了该市"两规"编制成果协调程度分值和土地利用空间布局差异。评价结果表明:南京市"两规"编制成果协调分值为91.58,协调类型为中级协调;指标准则层中经济与资源相关因子的协调程度较好,但社会与环境相关因子协调程度有待提高,其主要原因是"两规"土地利用数据率与规划率及基期年存在差异;因此南京市"两规"编制成果在实施和修编中应进一步加强基础数据库与规划年限的统一。
General land use planning and urban master planning are the basis of urban land use and land development.Coordination of their relation is of great significance for urban land use planning,and the quantitative evaluation of the coordination degree is extremely important to the preparation and implementation of these two planning.To evaluate the coordination degree of general land use planning and urban master planning,a coordinating comprehensive evaluation system was built through analyzing the content and connotation of these two planning,and then 13 indices in terms of economy,society,resources and environment were selected.The increase rate of each index from the results of these two planning was calculated,and then the Synergisticity Model was applied to calculate coordination degree of each index.After determining the weight of each index by the Analytic Hierarchy Process(AHP) method,the coordinate degree of these two planning was calculated by synthesizing coordinate degree of each index and index weights.Geography Information System spatial overlay analysis was applied to determine spatial difference of the land use in these two planning.Taken Nanjing City as an example,the coordinating value and degree of these two planning were calculated by the model.The results showed as follows.The coordinating value of compilation achievements of these two planning in Nanjing city was 91.58,and the coordinate degree was medium.The coordinate degree of indices among economy,society,resources and environment were different.Indices in terms of economy and society had high coordinate degrees,while indices in terms of resources and environment had low degree.The inconsistency of these two planning was contributed to the difference of land use database in the base and planning period.In order to improve the coordinate degree of these two planning in Nanjing City,the database of the land use in base period and planning period should be consistent.