2008年汶川地震前的中国大陆地震滑坡研究综述I:区域滑坡分布与评价
首发时间:2013-12-16
摘要:本文对2008年地震前的中国大陆地震滑坡研究开展综述。文章主要围绕地震滑坡特征与分布规律、评价与预测两个大的方面展开。地震滑坡的特征与分布规律首先介绍了一些总体特征研究成果;然后分别重点介绍我国西南地区与西北地区的地震滑坡研究成果,对一些重要震例分别介绍;对其他地区的较少的研究也进行了介绍与总结。将地震滑坡评价与预测按照专家知识驱动与地震滑坡真实数据驱动总结为两类。最后,从地震震级与滑坡的定量对比关系、单次地震事件的滑坡分布数据与地震滑坡评价模型三个方面分析了这些研究中存在的不足。建议有必要对一些2008年汶川地震之前的地震事件开展一些补救性地震滑坡研究,以对将来该地震区的可能地震滑坡的防震减灾提供参考;产出的地震滑坡数据也可以推动地震滑坡学科的进一步发展。
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An overview of earthquake-triggered landslides of Chinese mainland before the 2008 Wenchuan earthquake I: Regional spatial distribution and assessment
Abstract:The purpose of this paper is to review the studies of earthquake-triggered landslides of the Chinese mainland before the 2008 Wenchuan earthquake. Two aspects of the paper are characteristics and spatial distribution, hazard assessment and spatial prediction of earthquake-triggered landslides. For the characteristics and spatial distribution of earthquake-triggered landslides, several studies about earthquake-triggered landslides in Chinese mainland were presented firstly. Then, many publications and results about earthquake-triggered landslides in Southwest China and Northwest China were respectively introduced by summarizing studies of earthquake-triggered landslides of several main earthquake events. In addition, I also introduced several studies in other regions. Publications and studies about assessment and prediction of earthquake-triggered landslides were classified into two aspects of expert knowledge-based methods and data-driven methods. Shortcomings and limitations of these studies were discussed and analyzed in three aspects, includes comparisons of earthquake magnitude and co-seismic landslides, landslide inventory maps based on individual earthquake events, and earthquake-triggered landslides evaluation modeling. The author suggests it is necessary to carry out remedial studies about landslides triggered by main earthquake events before the 2008 Wenchuan earthquake. Such research not only can provide references to landslide mitigation related to probable-future earthquakes in similar areas, but also can promote further developments of earthquake-triggered landslide research.
Keywords: earthquake landslides overview spatial distribution assessment Chinese mainland
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2008年汶川地震前的中国大陆地震滑坡研究综述I:区域滑坡分布与评价
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