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-  2016 

基于遥感数据的城市水系形态演变特征分析” Analysis of evolution characteristics of urban water system form based on remote sensing data

Keywords: 城市化,水系形态,演变特征,指标体系,遥感数据

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Abstract:

随着人类活动影响的日益加剧,城市河湖水系形态格局发生了巨大变化.为了进一步探讨城市化对水系连通形态格局的影响程度,从水系的结构形态和连通形态两个层面构建了一套描述水系形态演变特征的指标体系;在运用ENVI软件对遥感影像信息进行处理的基础上,生成自20世纪90年代以来7个代表年份的水系形态网格图;基于处理后的图件,提取代表年的水系形态指标参数值,最后以郑州市作为典型区进行实例应用.结论表明:1990-2007年间,城市化对郑州市水系连通形态格局的影响较为显著,水系结构单一化的趋势越来越明显;2007年以后城市化对水系连通格局的影响效果减弱,水系连通性能有所提高

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