Calibration of infrasound monitoring system and acoustic characteristics of debris-flow movement by field studies
文献类型：会议论文
| 作者 | Chou, HT2; Cheung, YL2; Zhang, SC1 |
| 出版日期 | 2007 |
| 会议日期 | SEP 10-13, 2007 |
| 会议地点 | Chengdu |
| 关键词 | infrasound monitoring system debris flow acoustic characteristics field studies |
| 页码 | 571-580 |
| 国家 | PEOPLES R CHINA |
| 英文摘要 | Naturally occurring infrasounds produced by debris flows are explored in this Study by examining the field data both in Jiangjia Gully, Yunnan and Houyenshan, Taiwan, respectively. Infrasound propagates to long distance in the atmosphere at the speed Of Sound for the low adsorption in the air and the high reflectivity of the ground. The infrasonic signals induced by debris flows are related to the magnitude and composition of the failure zone as well as the slope areas. In Jiangjia Gullies, the peak frequency of infrasounds is about 6 Hz when debris flow discharges are less than 500 m(3)/s. While the peak frequency decreases with the increasing discharge of debris flows. The stony debris flows Occur in Houyenshan with the peak frequencies between 5-15 Hz during the surges. Non-stationary acoustic signals of the debris flows are analyzed by adopting the HHT approach. |
| 源文献作者 | Chen, CL ; Major, JJ |
| 产权排序 | 2 |
| 会议录 | DEBRIS-FLOW HAZARDS MITIGATION: MECHANICS, PREDICTION, AND ASSESSMENT
 |
| 会议录出版者 | MILLPRESS SCIENCE PUBLISHERS |
| 会议录出版地 | ROTTERDAM |
| 语种 | 英语 |
| ISBN号 | 978-90-5966-059-5 |
| WOS记录号 | WOS:000267333300056 |
| 源URL | [http://ir.imde.ac.cn/handle/131551/33500]  |
| 专题 | 成都山地灾害与环境研究所_成都山地所知识仓储（2009年以前） |
| 通讯作者 | Chou, HT |
| 作者单位 | 1.Institute of Mountain Hazards and Environment, Chinese Academy of Sciences and Ministry of Water Resources,Chengdu, China 2.Department of Civil Engineering, National Central University, Chung-Li, Chinese Taipei; |
| 推荐引用方式 GB/T 7714 | Chou, HT,Cheung, YL,Zhang, SC. Calibration of infrasound monitoring system and acoustic characteristics of debris-flow movement by field studies[C]. 见:. Chengdu. SEP 10-13, 2007. |
入库方式： OAI收割
来源：成都山地灾害与环境研究所
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