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- 2016
城市群体移动模式研究中空间尺度影响的定量分析
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Abstract:
城市群体移动研究通常以网格为空间分析单元,其分析存在可塑性面积单元问题(modifiable area unit problem,MAUP),目前的研究缺乏对不同大小的网格面积单元所忽略的城市群体移动规律的定量分析结论。对城市空间进行有限的不同大小的等间距格网划分并对城市群体移动忽略部分进行分析,发现格网内群体移动量随格网大小线性递增,格网间的群体移动量随格网大小线性递减,并以提取城市重要位置的空间分布和属性特征的不一致为例,表明应对忽略的短距离移动予以重视,避免决策上的偏差。与此同时,不同格网划分大小情况下格网内的移动量在住宅用地、工业用地上被忽略程度较为严重,建议根据实际研究的目的采取不均匀划分空间格网方法,避免过多忽略群体移动
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