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地理信息科学中的尺度分析 被引量:9

Analysis of spatial scale in GISc
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摘要 尺度是对地理现象观察、度量的标准之一,是空间数据采集、建模、分析的重要依据,是空间数据的重要特征。在探讨空间尺度与人类认知空间的关系基础上,分析地理信息科学(G ISc)中空间尺度在不同应用对象和不同应用环境中的内涵:针对地图表达的比例尺;地理现象的内在尺度和分析建模时的分析尺度。并以地图表达为例重点论述尺度变化对空间模式的影响。 Spatial scale is an important characteristic of spatial data.We observe and measure the geographic phenomena at a certain scale and then sample the spatial data,model and analyze them.This paper first discusses the relationship between scale and spatial cognition,Then it delivers the meanings and types of spatial scale according to map,analysis and phenomena aspects.Scaling problem is a hotpot in geographic database,which affects spatial pattern,map generalization and geographic representation.Finally the paper gives some illustrations.
出处 《测绘科学》 CSCD 北大核心 2006年第3期18-19,22,共3页 Science of Surveying and Mapping
基金 国家自然科学基金项目(40301037) 教育部博士基金(20020486040)
关键词 空间尺度 空间认知 尺度变化 地理信息科学 spatial scale cognition scaling
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