郭志浩,魏芳

• 1:甘肃铁道综合工程勘察院有限公司
• 2:兰州交通大学测绘与地理信息学院

摘要(Abstract)：

针对地质灾害点空间格局分布定量性研究较少的问题,该文提出一种定量研究方法——空间扫描统计方法,以地质灾害群测群防点为基础数据库,分析兰州市地质灾害群测群防点空间格局分布。研究结果表明:(1)崩塌和不稳定斜坡聚集区相似,均在城关区呈现1类聚集,榆中县和永登县的部分乡镇呈2、3类聚集,4类聚集区均分布在红古区的部分街道;(2)滑坡和泥石流1类聚集区包括以西柳沟街道为中心的13个乡镇街道,4类聚集区都分布在红古区,而2、3类聚集区分布有较大的差异。该方法能定量表达各类型地质灾害点的空间聚集度。该文结论以期为兰州市地质灾害针对性地采取预防和控制手段。

关键词(KeyWords)： 地质灾害;空间扫描统计量;空间格局分布;兰州市

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 郭志浩,魏芳

DOI: 10.16251/j.cnki.1009-2307.2018.04.012

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