美国GIS相关学术科研单位空间分布特征分析Spatial distribution characteristics analysis of GIS-related academic research institutes in the USA
杨乃;李洋;黄远林;
摘要(Abstract):
为了更清楚地认识美国地理信息科学的发展状况,该文以ArcGIS 10.2和Excel为平台,利用核密度分析、热点分析、空间自相关分析等GIS分析工具及最邻近点指数、基尼系数、地理集中指数、不平衡指数、差异系数等统计分析模型对美国GIS相关学术科研单位的空间分布特征进行分析,在此基础上运用灰色关联分析法探究并评价其社会影响因素。研究结果表明,美国GIS学术科研单位在全国、东西部、9大分区、各州内部均为空间聚集模式,主要分布在加利福尼亚州和美国东北部,加利福尼亚州和马萨诸塞州是美国GIS发展水平最高的地区。人口密度、GDP、教育财政支出都是对于GIS科研单位的空间分布具有显著影响的社会因素,其中教育财政支出的影响尤为明显。
关键词(KeyWords): GIS学术科研单位;空间分布特征;空间自相关;洛伦兹曲线;灰色关联
基金项目(Foundation): 国家留学基金;; 中国地质大学(武汉)校级教学研究项目(2014B17);中国地质大学(武汉)中央高校基本科研业务费专项资金资助项目(G1323541712,CUGL130256);; 广西2016重点教改项目(2016JGZ166)
作者(Authors): 杨乃;李洋;黄远林;
DOI: 10.16251/j.cnki.1009-2307.2019.04.028
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