基于锡尔指数的区域土地利用时空分布特征--以常州市为例
首发时间:2012-02-24
摘要:土地利用时空分布特征研究是土地变化科学在时空过程研究方面的一个重要方面,对于了解区域土地资源状况,制定差别化的区域发展政策具有重要意义。本文基于土地利用分类统计数据,利用锡尔指数从较宏观的地理空间统计角度研究了区域土地利用时空分布特征。通过地理空间划区和锡尔指数进行分解,不仅从整体上研究区域土地利用时空分布特征,而且根据不同的经济社会发展水平,研究不同划区之间和划区内部的土地利用时空分布差异。研究结果从空间集聚的角度揭示了常州市土地利用的时空分布特征,与实际情况吻合。
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Temporal and Spatial Distribution Characteristics of Reginal Land Use Based on Theil Index: A Case Study in Changzhou City
Abstract:The research on temporal and spatial distribution characteristics of land use is one of important research aspects of temporal and spatial process in land change science. It is of great significant of comprehending region land resource situation and making differential competition policy of regional development. Based on the land use classification statistics, the temporal and spatial distribution characteristics of land use were studied from a macro perspective of geospatial statistics by using the Theil Index. Through the geospatial regionalization and decomposition of Theil Index, not only the temporal and spatial distribution characteristics of land use were studied on the overall aspect, but also the difference of temporal and spatial distribution of land use between and inner partitions were researched according to the different levels of economic and social development. The result revealed the temporal and spatial distribution characteristics of land use in Changzhou city from the aspect of spatial concentration which is coincide with the actual situation.
Keywords: Land use temporal and spatial distribution characteristic theil index
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