香港地区滑坡体积与前期降水关系分析

被引:27
作者
李军
周成虎
机构
[1] 中国科学院地理科学与资源研究所
关键词
前期降水; 滑坡体积; 地理信息系统; 香港地区;
D O I
10.13577/j.jnd.2002.0207
中图分类号
P642.22 [滑坡];
学科分类号
0837 ;
摘要
滑坡灾害发生的因子可以分为两种类型 ,即滑坡体所处的环境静态因子 ,如地形、地质等 ,和滑坡的诱发因子 ,如强降水、地震等。香港地处夏季多雨的热带地区 ,每年均有大量因暴雨导致的滑坡灾害出现。为分析滑坡大小与前期降水的关系 ,文中选择了 2 6 2个滑坡样例 ,对它们进行了多种周期前期降水的定量化研究 ,发现不同类型的滑坡出现与前期降水有不同的关联关系 :每种类型的滑坡中体积较大的滑坡与前期降水均有明显的关系 ;对多数体积较小的滑坡 ,滑坡体积与前期降水量并没有明显的正相关关系。
引用
收藏
页码:37 / 45
页数:9
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