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Seismic Noise and Episodic Tremor: Improving Models for External Sources to Improve Detection of Internal Ones

Seismic Noise and Episodic Tremor: Improving Models for External Sources to Improve Detection of Internal Ones
地震噪声和阵发性震颤:改进外部源模型以改进内部源检测
批准号:
0843878
负责人:
Duncan Carr Agnew
金额:
$5.71万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2009
资助国家:
美国
项目状态:
已结题
起止时间:
2009-02-01 至 2010-01-31

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中文摘要
翻译
该项目正在测量井下地震仪和应变仪上的噪音水平,这些仪器是作为地球望远镜板块边界观测站的一部分安装的。这些测量确定了数据在什么时间代表背景噪声,以及在其他什么时间发生异常信号。这些异常信号既包括小地震,也包括其他信号,如最近才观察到的阵发性震颤,这些信号很难与噪音区分开来。更好地测量这些信号对于了解安装了这些仪器的断裂带的行为非常重要。
英文摘要
This project is measuring noise levels on the borehole seismometers and strainmeters installed as part of the Plate Boundary Observatory component of EarthScope. These measurements establish at what times the data represent background noise, and at what other times anomalous signals are happening. These anomalous signals include both small earthquakes, and other signals such as episodic tremor, which has only recently been observed, and which can be difficult to distinguish from noise. Better measurements of these signals are important in understanding the behavior of the fault zones around which these instruments have been installed.
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会议论文
Facility Support: Pinon Flat Observatory - Longbase Strainmeters Interim Operation
Probing Fluids, Fractures, Faults, and Strain with PBO Borehole Data
Characterizing PBO Borehole Strainmeters: Calibration, Earthquake Response, Noise Statistics and Sources
Modernization of Existing Long-Base Strainmeters at Pinyon Flat and Durmid Hill
国内基金
海外基金
新一代超声速客机起降阶段增升装置气动噪声产生机理及控制方法研究(NOISE)
  • 批准号:
    12261131502
  • 项目类别:
    国际(地区)合作与交流项目
  • 资助金额:
    105.00万元
  • 批准年份:
    2022
  • 负责人:
    王勇
  • 依托单位: