[1]章书成,余南阳.泥石流早期警报系统[J].山地学报,2010,(03):379.
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泥石流早期警报系统()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2010年03期
页码:
379
栏目:
山地学报
出版日期:
2010-05-15

文章信息/Info

作者:
章书成;余南阳;
中国科学院水利部成都山地灾害与环境研究所;西南交通大学机械工程学院;
关键词:
泥石流; 早期警报系统; 雨量阈值; 次声信息
文献标志码:
A
摘要:
泥石流早期警报系统可以将暴雨泥石流发生的预警时间提前1h左右,这比一般警报方法的提前量(通常大于10min)增加很多,因而达到更好的警报效果。系统由遥测智能雨量计、泥石流次声警报器和摄像设备等组成。系统核心技术包括泥石流发生的雨量阈值设定,泥石流次声特性和图像获取、图像解析以及图像实时传输等。系统数据传输可选择Internet网,GPRS/CDMA。决策机构可根据系统信息实时发布三级警报,即黄色(来自雨量阈值),橙色(来自泥石流次声信息)和红色(已有泥石流图像和规模),系统将能避免或减少人员伤亡服务于泥石流减灾工作。

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更新日期/Last Update: 2010-05-15