基于GIS的概率性地震危险性分析(英文)
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摘要
介绍了地理信息系统的主要特征、概率性地震危险性分析的一般步骤及其在MapGIS软件上的实现方法。并以三峡坝区某工程场地为例对程序进行了测试。GIS的用户界面使用户易于掌握概率性地震危险性分析的流程和数据。更重要的是它提高了用户对复杂地震危险性分析过程的认知能力,可以帮助用户在地震危险性分析中从空间数据中挖掘更多的信息。
The main characteristics of GIS,general procedures of Probabilistic Seismic Hazard Analysis(PSHA) and the method to realizing them on MapGIS are described.A computerized application to the engineering site in the Three-Gorge Dam district is presented.The user interface introduceing by GIS can handle PSHA routines and data in a more direct way,improve the user's capacity of cognizing complex PSHA processing,and help user to mine more information from geo-data in PSHA.
引文
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